Change workdir in WTK 2.5.2 (Linux)?

The WTK 2.5.2 documentation says my workdir is ~/j2mewtk by default. However, it doesn't say how to change it. I really hate when applications messes with my home directory root, so please, how do I change the workdir to something else?

This looks interesting, but it didn't work for me. The link doesn't seem to work right now, but the google cache does.
[http://209.85.173.132/search?q=cache:3843JjfYVqAJ:forums-beta.sun.com/thread.jspa%3FmessageID%3D2576307+ktoolbar+path&cd=2&hl=en&ct=clnk&gl=us&client=firefox-a|http://209.85.173.132/search?q=cache:3843JjfYVqAJ:forums-beta.sun.com/thread.jspa%3FmessageID%3D2576307+ktoolbar+path&cd=2&hl=en&ct=clnk&gl=us&client=firefox-a]
[http://forums-beta.sun.com/thread.jspa?messageID=2576307|http://forums-beta.sun.com/thread.jspa?messageID=2576307]

Similar Messages

About:config settings change by themselves when switching between windows/linux on dual-boot machine with profile shared between OSs

I dual-boot ubuntu and windows7, and have set up firefox to use the same profile data when running under either OS. This works great, except:
(1) each time I switch OSs and start firefox, it runs the "checking add-on compatibility" test (which is a minor annoyance)
(2) each time I start firefox in ubuntu after recently using it under windows, the about:config setting "browser.backspace.action" gets reset from my preferred setting (0) to the default setting (2).
How can I prevent these two things from happening?

Maybe it is better to use separate profiles for each OS and create symlinks or hard links to the sqlite databases that you want to share.
Your Linux profile may be using extensions (e.g. Ubuntu Firefox Modifications) that modify specific settings and in such a case you can't really prevent this.<br />
You can use a user.js file to initialize specific prefs on each start, but that makes it impossible to make changes on the about:config page that last the current session and you need to remember which prefs are affected.

WTK 2.5.1on Linux

Hi I am migrating my development enviroment from windows to linux but I am finding some problems, here are three issues I have seem:
1 =======================
The scripts run.sh does not work to solve this I had to:
1. change permission chmod 755
2. change the file where it says:
DEMO=demos
put
DEMO=Demos
2 =======================
I am trying to test a jar file using jsr75 to access cell filesystem it works great on WTK2.5.1 on windows but it stops when reading a directory on Linux the emulator asks permission to read the user press yes it goes when it asks again to read the contents of that directory the user press yes and nothing happens. I have double checked permissions on the appd/filesystem/root1 permissions even with chmod 777 it does not work. See that this same .jar works well on Windows WTK2.5.1
3 =======================
In the games demo the push-puzzle when play a sound it sounds too strange, as it was played fast foward
=======================
I am using netbeans 5.5.1 and wtk2.5.1 that came with it on Ubuntu 7.04 with kernel 2.6.20-16 and java -version returns
java version "1.5.0_11"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_11-b03)
Java HotSpot(TM) Client VM (build 1.5.0_11-b03, mixed mode, sharing)
===============
Thanks, hope to hear from you soon

Hi Thanks for your answer the issue 1 was done with the Ktoolbar but issue 2 dtill not working even if i am using ktoolbar to create a project build and run it.
Here is the KtoolBar console output:
Warning: Cannot convert string "-b&h-luxi sans-medium-r-normal--*-140-*-*-p-*-iso8859-1" to type FontStruct
Warning: Cannot convert string "-misc-ar pl shanheisun uni-medium-r-normal--*-*-*-*-p-*-iso10646-1" to type FontStruct
/usr/share/themes/Human/gtk-2.0/gtkrc:71: Engine "ubuntulooks" is unsupported, ignoring
/usr/share/themes/Human/gtk-2.0/gtkrc:241: Priority specification is unsupported, ignoring
Running with storage root DefaultColorPhone
Running with locale: pt_BR.UTF-8
Running in the identified_third_party security domain
Warning: To avoid potential deadlock, operations that may block, such as
networking, should be performed in a different thread than the
commandAction() handler.and here is my code:
* MIDletAcessoFileSystem.java
* Created on 9 de Junho de 2007, 16:24
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.io.file.FileSystemRegistry;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
* Exemplo de utiliza��o do FileSystem
* @author Tadeu Ferreira Oliveira
* @version 0.1
public class MIDletAcessoFileSystem extends MIDlet implements CommandListener{
     * Uma lista para exibir o nome dos arquivos encontrados
    private List lista;
     * Comando para sair do programa
    private Command sair;
     *Acionado para exibir o conte�do de um diret�rio no sistema de arquivos
    private Command listarArquivos;
     * Versao da API FileConnection
    private String versao;
     * Construtor obtem o valor da vari�vel versao
    public MIDletAcessoFileSystem(){
        this.versao = System.getProperty("microedition.io.file.FileConnection.version");
     * Localiza todos os drives dispon�veis no aparelho
     * @return Retorna um Enumeration de String com o nome dos drives encontrados
    private Enumeration obterListaDeDrives(){
        Enumeration drives = FileSystemRegistry.listRoots();
        return drives;
     * Localiza todos os arquivos em um determinado drive
     * @return Retorna um String[] com o nome dos arquivos encontrados
     * @param drive O drive que dever� ser listado sem barra no in�cio Ex.: root1/
    private Enumeration obterListaDeArquivos(String drive){
        Enumeration arquivos = null;
        try {
            FileConnection fc = (FileConnection) Connector.open("file://localhost/"+drive, Connector.READ);
            arquivos = fc.list();
        } catch (IOException ex) {
            ex.printStackTrace();
        return arquivos;
    public List get_lista(){
        if (this.lista == null){
            String[] elementos = null;
            lista = new List("Arquivos",List.EXCLUSIVE);
            lista.addCommand(get_sair());
            lista.addCommand(get_listarArquivos());
            lista.setCommandListener(this);
        return lista;
    public Command get_sair(){
        if(sair == null){
            sair = new Command("Sair",Command.EXIT,0);
        return sair;
    public Command get_listarArquivos(){
        if(this.listarArquivos == null){
            this.listarArquivos = new Command("Listar",Command.ITEM,1);
        return this.listarArquivos;
    public void startApp() {
        Display d = Display.getDisplay(this);
        if (versao != null){
            if (versao.equals("1.0")){
                d.setCurrent(get_lista());
            String elem = null;
            Enumeration em = this.obterListaDeDrives();
            while (em.hasMoreElements()) {
                elem = (String) em.nextElement();
                get_lista().append(elem,null);
        }else{
            Alert alErro = new Alert("Erro","Aparelho sem suporte a arquivos",null,AlertType.ERROR);
            alErro.setTimeout(Alert.FOREVER);
            d.setCurrent(alErro,get_lista());
    public void pauseApp() {
    public void destroyApp(boolean unconditional) {
    public void commandAction(Command command, Displayable displayable) {
        if (command == get_sair()){
            this.destroyApp(true);
            Display.getDisplay(this).setCurrent(null);
            this.notifyDestroyed();
        }else{
            if(command == get_listarArquivos()){
                //obtem o drive selecionado no momento
                int indice = this.get_lista().getSelectedIndex();
                String drive = this.get_lista().getString(indice);
                //limpar a lista
                this.get_lista().deleteAll();
                String elem = null;
                Enumeration en = this.obterListaDeArquivos(drive);
                //adicionar os arquivos na lista
                while (en.hasMoreElements()) {
                    elem = (String) en.nextElement();
                    this.get_lista().append(elem,null);
}

WTK 2.2 hiccup (linux, java 1.4.2)

Hello
I have used WTK before.
I installed:
- debian testing
- j2SE 1.4.2.11 (via .bin-methode since the rpm is borked since about 3 years and 20 versions)
- WTK 2.2
I start the ktoolbar, open any sample project and click on "run". The emulator comes up and the display stays blank => http://img153.imageshack.us/img153/2923/wtk0en.jpg for 10 min. Closing the emu frezes both the emu and ktoolbar. Same thing with every other "Device".
After 10 min i get "Warning: Failed to initialize WMA message routing support". i guess waiting for another ... 2 hours will do the trick.
The PC is fast enough (dual 3 GHz), there is a lot of RAM (2 GB, 1.8 free) and there are no other progs running. I know java is slow, but this is way too much.
any thoughts ?
(Just got "Warning: Failed to initialize Bluetooth (JSR 82) support" ... it's getting closer...)

Hi Ken,
I m working on a CRM application and its uses struts framework. It is deployed on WAS 7.00.
What i feel is you have to specify in struts config files, you have to specify the name of the *.action to call any action file.
Also you need to the action class that is to be called when a particular action is requested.
Hope this help to resolve your query!!!!
Rgds,
Prashil

Change from 32 bit to 64 bit - Linux

Hi All,
Does anyone could help me to find any info about change my Solution Manager/Oracle 9 32 bit to 64 bit?
I looked in Service Marketplace but didn´t find any info ...
thanks a lot!!
Daniela

Check notes 940811, 192822
then this thread:
32 bit to 64 bit upgrade

Flash Player for Firefox 24 not working, I believe install directory changes have something to do with it (linux).

I have just installed firefox 24 under debian (wheezy) and am having issues trying to get most things flash to run. Oddly enough Youtube seems to work, it tells me to install the plug-in initially then loads the video up anyway. Firefox throws a pop-up telling me I need to install a plug-in in order to view the content (on youtube, which videos play anyways). Other sites simply don't display the videos. Adobe's site doesn't display their little animation.
My firefox is installed in /opt/firefox
I also have two other directories which I believe are where the plugins may have been installed to.
/usr/lib/mozilla/plugins
-flash-mozilla.so
/usr/lib64/flash-plugin
-homecleanup
-libflashplayer.so
-license
-readme
-setup
I ran about:config and altered the following from false to true
plugins.load_appdir_plugins = true

See:
*http://kb.mozillazine.org/Determining_plugin_directory_on_Linux
*https://developer.mozilla.org/en/Gecko_Plugin_API_Reference/Plug-in_Basics#How_Gecko_finds_plug-ins
Make sure that you have 32 bit versions of the plugins if you use a 32 bit Firefox version.

How to Change Default Colors in Linux

Hello All, and thanks in advance.
I wanted to know how can I change the default colos in Linux, so that they resemble the Windows's one.
For example I want to change the blue-green bg color in linux to a gray.

Either manually do a 'define editor=vi' when you log in through sql*plus, or put that in the glogin.sql in $ORACLEHOME/sqlplus/admin or put that in a login.sql in the directory you run sqlplus from.

How to install J2ME WTK on Linux Mandrake 10.1?

Hello!
I try to install J2ME WTK on to my Linux Mandrake 10.1but it does not work for me. Below is the output after the License agreement.
So if you got any ideas please let me know.
Best regards
Fredrik
Do you agree to the above license terms? [yes or no] yes
j2me_wireless_toolkit-2_2-linux-i386.bin: line 287: cd: /home/fredrik/downloads/Java: No such file or directory
Testing /usr/java/jdk1.5.0_01/bin/java...
A suitable Java interpreter was detected
0) Use /usr/java/jdk1.5.0_01/bin/
1) Specify a path to a Java interpreter directory.
2) Cancel this installation.
Select a choice [0-2]: 1
This application requires Java 2 SDK, Standard Edition (1.4 or later). Enter a path to a Java 2 SDK (For example: /user/jdk1.4/bin). You can type "exit" to cancel installation.
Enter a path to the Java 2 SDK: /usr/java/jdk1.5.0_01/bin
/usr/java/jdk1.5.0_01/bin/java
Testing /usr/java/jdk1.5.0_01/bin/java...
Please enter a directory into which you would like to install the J2me Wireless Toolkit, 2.2.
[ default is /home/fredrik/downloads/Java Micro edition/WTK2.2 ]:/usr/java
j2me_wireless_toolkit-2_2-linux-i386.bin: line 224: cd: /home/fredrik/downloads/Java: No such file or directory
Installation directory is /usr/java.
Setup has enough information to start copying the program files.
Current Settings:
Destination Directory
/usr/java/
JVM Folder
/usr/java/jdk1.5.0_01/bin/
Please choose one of the following options:
0) Begin copying files if you are satisfied with the settings .
1) Cancel the installation.
Select a choice [0-1]: 0
Failed to extract files. Installation will stop now.
Please try to install J2ME Wireless Toolkit again, or contact [email protected] for assistance.
[root@Stationary Java Micro edition]#

Don't add the /bin part of the path. The WTK only wants to parent directory for you J2SDK installation, which would be /usr/java/jdk1.5.0_01. Though I don't know that using J2SDK 1.5 is the best route to take. I would recommend going with the latest 1.4 until they update the WTK.

How to use FilePermission class to change the file permission in Linux

Hi all,
I'm running in a issue related to changing the file permission under Linux environment. I'm using Suse 10.0 Linux and run jdk 1.5 java runtime.
I want to create a file during execution time and change the permission of the same. I use File.createNewFile() API to create file. By default it does not have all the 3 permission (read,write,execute) for all the user ( user,owner,group). Through program I have to change the file permission ( equal to execute ,chmod 777 filename).I donot want to use runtime.exec() with chmod as the argument , since it creates a process to change the permission which may impact the performance. I want to try FilePermission class , by giving filename and permission as the argument. But it is not changing the permission . Could any one faced this problem ?
If any body guides me, how to change the permission of the file under Linux using FilePermission class , it would be helpful.
Thanks,
Sankar

How do I set the Umask prior to starting the program
? Could pls explain in steps.I don't think umask can help you. The mode mask prevents permission bits from being set when a file is created, but does not force any bits to be set. So if execute permission is not set explicitly when a file is created, umask will do nothing about it.
But if you want more information about umask, see the man page for your shell script (sh, csh, etc.) or "man 2 umask".

WTK 2.5 beta (2) for Linux?

Hi,
just one question:
Why isn't there a Linux version of the WTK 2.5 beta? It supports SVG, and I need it for my project. I haven't Windows installed on my laptop. In addition to that, my project also uses Bluetooth (serverside is JavaSE) and the free JSR-82-implementations are all for Linux.
So, how / when can I (we?) get a WTK 2.5. for Linux?
Thanks!

I have read the wtk 2.5 faq. It says,
When will the Sun Java Wireless Toolkit for CLDC be supported on platforms other than Windows?
A version of the Toolkit is available today and can be downloaded here - http://java.sun.com/product/sjwtoolkit/download-2_5_1.html .
Unfortunately when I follow the link it says, page not found. I am looking for the release everyday.

Network permissions for WTK on linux

I have been testing my midp application using the sun wtk and eclipse for linux(ubuntu feisty - java-6-sun).
My problem is that when i launch the debug emulator from eclipse it fails to send any datagram traffic. The application sends the data but the data never gets to the server. If i launch the WTK seperatly as root however the packets do get through. Any ideas? Is there some permission which I should be setting in a configuration file or on the device files?
Thank you

Wireless Configurations
What wireless modes are you using?
Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. 13 for EU regions.
What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK [/url] only or Auto TPIK and AES.
What wireless devices do you have connected?
Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by?
Any other WiFi routers in the area? Link> Use http://www.metageek.net/support/metageek-software-archives/ to find out. How many?
Router Placement
Forum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."
3-6' feet minimum safe distance between devices.
Placement on main level floor and central in the building and WELL ventilated is preferred. Not in basements or closets as building materials, or near by electronics devices could interfere or hinder good signal propagation.

In version 3.6 I can not open a website link from original page, I keep getting a new window that is blank and asking me to put in a web address. What has changed with the new version?

When on a page if I click on a web link I get a new window that is blank and asks me enter a web address. This started happening with the new 3.6 version. It seems to have something to do with what I choose for the location in my privacy settings as the window changes with each setting but I still cannot get to the new site. Any ideas? I have no problem with this in IE and I have to keep opening IE when I encounter the problem on Firefox which is annoying.

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

Oracle 11gR2 Express Edition on Linux Ubuntu 11.10 howto

h1. Oracle 11gR2 Express Edition on Linux Ubuntu 11.10 howto
Author: Dude
Version: D
Last modified: 14-Jan-2012
You are welcome to add comments, but please do not discuss your installation issues in this thread. If you have a question about the instructions, please add a simple note to the link of your own thread. The instructions are the result of my own research and development. If you would like to use any of the information for your own blog or website, please include a link to this reference to include future changes.
Oracle 11gR2 Express Edition on Linux Ubuntu 11.10 howto
h2. Purpose
This document outlines instructions how to install Oracle XE under Ubuntu 11.10.
Ubuntu or Debian based Linux is not on the list of supported operation systems according to the Oracle documentation at http://download.oracle.com/docs/cd/E17781_01/install.112/e18802/toc.htm. You may want to consider virtualization software like Oracle Virtualbox and install Oracle Enterprise Linux as a free and professional alternative to installing XE under Ubuntu. You can also download pre-build virtual machines that include Oracle XE. You can browse http://otn.oracle.com/community/developer-vm for more information.
h2. Topics
h4. 1) Install Linux Ubuntu
h4. 2) Remote Terminal
h4. 3) Install Additional Software
h4. 4) Managing Swap Space
h4. 5) Modify Kernel Parameters
h4. 6) Oracle Home Directory
...a) Resize the Root Partition
...b) Setup External Storage
h4. 7) ORA-00845: MEMORY_TARGET
h4. 8) Installing Oracle 11gR2 Express Edition
h4. 9) Post-Installation
h4. 10) Tips and Troubleshooting
...a) Port 1521 appears to be in use by another application
...b) cannot touch `/var/lock/subsys/listener': No such file or directory
...c) ORA-00845: MEMORY_TARGET
...d) Apex ADMIN password
...e) SYS and SYSTEM password
...f) Uninstall Oracle 11g XE
...g) Reconfigure Oracle 11g XE
...h) Gnome Classic desktop
...i) Unix vi cursor keys
...j) Backup Database
h4. 11) History
h4. 12) References
h2. 1) Install Linux Ubuntu
The following assumes you have installed Ubuntu 11.10 Desktop Edition for AMD 64-bit, or upgraded from a previous version. Keep in mind that Oracle 11gR2 Express Edition is only available for 64-bit architecture. It is not necessarily a requirement, but I would not bother to install Oracle 11gR2 XE on a system with less than 2 GB of RAM installed. You can download Ubuntu for free at: http://www.ubuntu.com/download/ubuntu and install it using the default settings provided.
You can apply the latest OS patch-sets by clicking the power button icon in the upper right hand corner of the screen and selecting "Updates available..."
h2. 2) Remote Terminal
You will need command line access to perform the installation tasks. Select the top "Dash Home" button of the Unity toolbar and enter the word "terminal", or use CTRL-ALT-t. If you prefer to open a remote terminal session use SSH. Ubuntu does not come with a secure shell login by default. To install it, use the following command:
sudo apt-get install openssh-serverYou cannot login as root unless you set a root password using the "sudo passwd root" command. However, you can get root user access using the "sudo" command, which requires only to re-enter the password of your personal account. Access to "sudo" is controlled by the /etc/sudoers file.
The best way to establish a remote command line session as root is to login with your personal account, e.g.: ssh [email protected], and then type "sudo su -" to become root, or use "sudo <command>" to execute individual commands. If your account does not have "sudo" access you can login as root using "su - root", but will need to know the root password.
h2. 3) Install Additional Software
Oracle 11g Express Edition requires additional software that is not installed by default:
sudo apt-get install alien libaio1 unixodbch2. 4) Managing Swap Space
Oracle demands that the minimum swap space for Oracle Database XE is 2 GB (2095100 KB) or twice the size of RAM, whichever is lesser. Enter the following shell command to verify your swap space:
cat /proc/meminfo | grep -i swap
SwapCached:            0 kB
SwapTotal:       2095100 kB
SwapFree:        2095100 kBYou can increase available swap space by using a swap file as long as disk space permits. The advantage of a swap file versus a swap partition is flexible space management because you can add or delete swap space on demand as necessary. The following will create and enable an additional 1 GB swap file at system startup, located in the /home directory:
Login as root:
sudo su -Enter the following commands:
dd if=/dev/zero of=/home/swapfile bs=1024 count=1048576
mkswap /home/swapfile
swapon /home/swapfile
swapon -aCreate a backup of the original "fstab" file and add the new swap file:
cp /etc/fstab /etc/fstab.backup_`date +%N`
echo '/home/swapfile swap swap defaults 0 0' >> /etc/fstabExit from root and verify the new swap space:
exit
swapon -s
Filename                    Type          Size     Used     Priority
/dev/sda5                               partition     2095100     0     -1
/home/swapfile                          file          1048572     0     -2Swap space is not a substitute for installed RAM. Swap space is a safeguard that allows the system to move idle processes to disk before the OOM killer will begin to terminate processes in order to free up enough real memory to keep the system operational. The general rule for sizing the swap space depends on the size of installed RAM. If your system has less then 4 GB of RAM the swap space should usually be at least twice this size. If you have more than 8 GB of RAM installed you may consider to use an equal size as swap space. The more RAM you have installed, the less likely you are going to run into memory starvation, and the less likely you are going to need swap space, unless you have a bad process.
h2. 5) Modify Kernel Parameters
Oracle 11gR2 Express Edition requires the following Kernel parameters. Enter the commands exactly as shown:
Login as root:
sudo su -Cut & paste the following directly into a command shell (not a text editor):
cat > /etc/sysctl.d/60-oracle.conf <<-EOF
# Oracle 11g XE kernel parameters
fs.file-max=6815744
net.ipv4.ip_local_port_range=9000 65500
kernel.sem=250 32000 100 128
# kernel.shmmax=429496729
kernel.shmmax=107374183
EOFLoad and verify the new kernel parameters:
service procps start
sudo sysctl -q fs.file-max
sudo sysctl -q kernel.shmmax
sudo sysctl -q net.ipv4.ip_local_port_range
sudo sysctl -q kernel.sem The SHMMAX kernel parameter defines the upper memory limit of a process. It is a safeguard to stop a bad process from using all memory and causing RAM starvation. The Linux default is 32 MB. The official Oracle XE installation documentation suggests a value of 4 GB -1 bytes (429496729). Since Oracle 11g XE has a 1 GB memory limit, a smaller footprint will be a better safeguard for the complete system. Setting the SHMMAX parameter to 107374183 will be sufficient.
h2. 6) Oracle Home Directory
At the time of this writing, Enterprise Linux 6 is not supported for Oracle database yet. It is therefore not possible to confirm Oracle ext4 filesystem compatibility, which is default in Ubuntu 11. According to various information, ext4 may cause a performance problem for Oracle 11g database. The following will show you how to add a ext3 partition to your existing setup.
h3. 6.a) Resize the Root Partition
Provided you have sufficient free disk space, you should be able to resize the root partition to create an extra ext3 filesystem. Considering the 11 GB user datafile limit of the Express Edition, 18 GB should be more than enough.
You can use the free Gparted Live CD to shrink your startup volume. Gparted downloads are available at http://sourceforge.net/projects/gparted/files/gparted-live-stable. When burning the CD, pay attention to burn the raw .iso image and not the possibly "mounted" image. If you are using a virtual machine like Oracle Virtualbox, you can mount the .iso image directly. There are going to be a few prompts when the system starts from the CD, but you can press Return to accept the defaults.
When the Gparted window appears:
- Select your ext4 root partition, usually /dev/sda1
- Select the "Resize/Move" button from the toolbar.
- Enter 18000 into the "Free space following" field and press the Return key.
Be careful not not change the start of the partition!
- Click the "Resize/Move" of the dialog and then then the "Apply" toolbar button.
The process may take several minutes - do not abandon it!
- Select the new unallocated free space of ~ 18 GB and push the "New" button.
- Set the file system to "ext3" and label it "oraclexe" and click the "Add" button.
Be sure to label it oraclexe, otherwise the follow-up instructions will fail.
- Finally select "Apply from the toolbar to apply the changes.
- Quit "Gparted", select "Exit" from the desktop and choose "Reboot" to restart the system.
{code}
After the system has restarted, open a terminal command shell.
Login as root:
{code}
sudo su -
{code}
Backup "fstab" and add the UUID of the partition. The "tr" command remove the quotes:
{code}
cp /etc/fstab /etc/fstab_`date +%N`
uuid=`blkid | grep oraclexe | awk '{print $3}'`
uuid=`echo $uuid | tr -d '\042'`
echo $uuid
echo "$uuid /u01 ext3 errors=remount-ro 0 1" >> /etc/fstab
{code}
The UUID is a unique number and should look similar to:
{code}
UUID=d1db753e-b5dd-4a4c-a61e-259c69867b58
{code}
Restart the system:
{code}
reboot
{code}
Verify the success:
{code}
df -h /u01
{code}
h3. 6.b) Setup External Storage
If you prefer to setup an external drive to install Oracle XE, beware that it can be a fatal mistake to make an entry in /etc/fstab to automount your external storage device. An unavailable device in /etc/fstab will prevent a system startup and prompt for appropriate actions at the console.
The following is an example of how to prepare an external storage device to be used for Oracle 11g, including a script to automatically mount an external drive at system startup without the disadvantages of /etc/fstab. The script will also take into consideration that a device name might shift if you attach additional devices.
To find out which USB devices are connected:
{code}
sudo parted -l
{code}
Look for the device that matches your USB storage. For example: /dev/sdb1
{code}
Model: USB 2.0 Flash Disk (scsi)
Disk /dev/sdb: 2064MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start   End     Size    File system Name     Flags
1      20.5kB 1929MB 1929MB hfs+         mystick
{code}
Initialize the device using ext3 filesystem - this will erase all data. The "-c" option will check for bad blocks (read-only), "-L" is the volume label:
{code}
sudo umount /dev/sdb1
sudo mkfs.ext3 -c -L oraclexe /dev/sdb1
{code}
Install the pmount distribution package:
{code}
sudo apt-get install pmount
{code}
Login as root:
{code}
sudo su -
{code}
Cut & paste the following into the command prompt (not a text editor):
{code}
cat > /etc/init.d/oracle-mount <<-EOF
#! /bin/sh
# /etc/init.d/oracle-mount
VOL_UUID=alphanumeric
VOL_LABEL=oraclexe
VOL_SYMLINK=/u01
mount=/usr/bin/pmount
uuid2dev() {
   VOL_DEVICE="\`blkid | grep \$VOL_UUID | awk '{print \$1}'\`"
   VOL_DEVICE="\`echo \$VOL_DEVICE | tr -d ':'\`"
   echo \$VOL_DEVICE
case "\$1" in
start)
    echo "Starting script /etc/init.d/oracle-mount"
    uuid2dev
    \$mount \$VOL_DEVICE \$VOL_LABEL
    if [ -d /media/\$VOL_LABEL ]; then
       echo "Mount \$VOL_DEVICE success"
       ln -sf /media/\$VOL_LABEL \$VOL_SYMLINK
    else
       echo "Error mouting \$VOL_DEVICE"
    fi
stop)
    echo "Stopping script /etc/init.d/oracle-mount"
    uuid2dev
    /bin/umount \$VOL_DEVICE 2>/dev/null
    if [ "\`/usr/bin/pmount | /bin/grep \$VOL_DEVICE\`" ]; then
       echo "Error unmounting \$VOL_DEVICE"
    else
       rm -f \$VOL_SYMLINK
    fi
    echo "Usage: /etc/init.d/oracle-u01 {start|stop}"
    exit 1
esac
### BEGIN INIT INFO
# Provides:          oracle-mount
# Required-Start:    \$remote_fs \$syslog
# Required-Stop:     \$remote_fs \$syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start daemon at boot time
# Description:       Mount hotplug-usb drive and create symlink
### END INIT INFO
EOF
{code}
Install the oracle-mount init script:
{code}
chmod 755 /etc/init.d/oracle-mount
update-rc.d oracle-mount defaults 01 99
{code}
Get the UUID of the volume "oraclexe" and update the VOL_UUID in the init script accordingly:
{code}
uuid=`blkid | grep oraclexe | awk '{print $3}'`
echo $uuid
sed -i "s/^VOL_UUID=.*/VOL_$uuid/g" /etc/init.d/oracle-mount
{code}
The UUID of your device will be a unique number, but should be similar to:
{code}
UUID="3f5e9963-b328-49f3-b3e8-a3561ae34106"
{code}
Logout of root and test the init script:
{code}
exit
sudo /etc/init.d/oracle-mount stop
ls /u01
sudo /etc/init.d/oracle-mount start
ls /u01
{code}
Your output should look like:
{code}
Stopping script /etc/init.d/oracle-mount
/dev/sdb1
ls: cannot access /u01: No such file or directory
Starting script /etc/init.d/oracle-mount
/dev/sdb1
Mount /dev/sdb1 success
lost+found
{code}
h2. 7) ORA-00845: MEMORY_TARGET
Oracle 11gR2 XE under Ubuntu 11.10 will result in "ORA-00845: MEMORY_TARGET not support on this system" either at Oracle database startup or during the initial installation. Ubuntu 11.10 uses a new version of the "systemd" system and session manager and has migrated away from /dev/shm and other common directories in favor of /run.
There are several ways how to address the problem. You can either enable /dev/shm shared memory, or change the default memory management of Oracle 11g from AMM (Automatic Memory Management) to ASMM (Automatic Shared Memory Management) as it was in used the previous 10g version. Since AMM is one of the new features of 11g, the following will show you how to make to make AMM work.
Login as root:
{code}
sudo su -
{code}
Cut & paste the following into the command prompt (not a text editor):
{code}
cat > /etc/init.d/oracle-shm <<-EOF
#! /bin/sh
# /etc/init.d/oracle-shm
case "\$1" in
start)
    echo "Starting script /etc/init.d/oracle-shm"
    # Run only once at system startup
    if [ -e /dev/shm/.oracle-shm ]; then
      echo "/dev/shm is already mounted, nothing to do"
    else
      rm -f /dev/shm
      mkdir /dev/shm
      mount -B /run/shm /dev/shm
      touch /dev/shm/.oracle-shm
    fi
stop)
    echo "Stopping script /etc/init.d/oracle-shm"
    echo "Nothing to do"
    echo "Usage: /etc/init.d/oracle-shm {start|stop}"
    exit 1
esac
### BEGIN INIT INFO
# Provides:          oracle-shm
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Bind /run/shm to /dev/shm at system startup.
# Description:       Fix to allow Oracle 11g use AMM.
### END INIT INFO
EOF
{code}
Install the oracle-shm init script:
{code}
chmod 755 /etc/init.d/oracle-shm
update-rc.d oracle-shm defaults 01 99
{code}
Restart the system:
{code}
reboot
{code}
Verify the success:
{code}
sudo cat /etc/mtab | grep shm
{code}
{code}
none /run/shm tmpfs rw,nosuid,nodev 0 0
/run/shm /dev/shm none rw,bind 0 0
{code}
The upper limit of shared memory under Linux is set to 50 % of the installed RAM by default. If your system has less than 2 GB of RAM installed, there is still a chance to run into ORA-00845 error if your shared memory is used by other software.
The verify available shared memory, type the following commands:
{code}
sudo df -h /run/shm
{code}
h2. 8) Installing Oracle 11gR2 Express Edition
The final release version of Oracle 11gR2 Express Edition can be downloaded for free at http://otn.oracle.com/database/express-edition/downloads. The software should automatically downloaded into the "Downloads" folder of your home directory.
Enter the following commands to unpack the installer:
{code}
cd ~/Downloads
unzip oracle-xe-11.2.0-1.0.x86_64.rpm.zip
rm oracle-xe-11.2.0-1.0.x86_64.rpm.zip
{code}
The Debian Linux based package management of Ubuntu is not compatible with the Red Hat package manager. The Oracle installer needs to be converted using the following commands:
{code}
cd ~/Downloads/Disk1
sudo alien --to-deb --scripts oracle-xe-11.2.0-1.0.x86_64.rpm
(This may take a few minutes)
rm oracle-xe-11.2.0-1.0.x86_64.rpm
{code}
The following needs to be set for compatibility:
{code}
sudo ln -s /usr/bin/awk /bin/awk
sudo mkdir /var/lock/subsys
{code}
Ubuntu uses different tools to manage services and system startup scripts. The "chkconfig" tool required by the Oracle installer is not available in Ubuntu. The following will create a file to simulate the "chkconfig" tool.
Login as root:
{code}
sudo su -
{code}
Copy & paste the following *directly* into the command prompt to create a file:
{code}
cat > /sbin/chkconfig <<-EOF
#!/bin/bash
# Oracle 11gR2 XE installer chkconfig hack for Debian based Linux (by dude)
# Only run once.
echo "Simulating /sbin/chkconfig..."
if [[ ! \`tail -n1 /etc/init.d/oracle-xe | grep INIT\` ]]; then
cat >> /etc/init.d/oracle-xe <<-EOM
### BEGIN INIT INFO
# Provides:                  OracleXE
# Required-Start:        \\\$remote_fs \\\$syslog
# Required-Stop:        \\\$remote_fs \\\$syslog
# Default-Start:            2 3 4 5
# Default-Stop:            0 1 6
# Short-Description:   Oracle 11g Express Edition
### END INIT INFO
EOM
fi
update-rc.d oracle-xe defaults 80 01
EOF
{code}
Exit root:
{code}
exit
{code}
Set execute privileges:
{code}
sudo chmod 755 /sbin/chkconfig
{code}
Install Oracle 11gR2 Express Edition entering the following commands:
{code}
cd ~/Downloads/Disk1
sudo dpkg --install ./oracle-xe_11.2.0-2_amd64.deb
(This may take a couple of minutes)
{code}
Run the configuration script to create (clone) the database and follow the screen. Accept the default answers, including "y" to startup the database automatically, or modify as required.
{code}
sudo /etc/init.d/oracle-xe configure
(This can take a few minutes - the installation completed successfully.)
{code}
To verify success, the procedure should end showing:
{code}
Starting Oracle Net Listener...Done
Configuring database...Done
Starting Oracle Database 11g Express Edition instance...Done
Installation completed successfully.
{code}
Set a password for the Oracle account:
{code}
sudo passwd oracle
{code}
h2. 9) Post-Installation
In order to use sqlplus and other tools, the Oracle account requires specific environment variables. The following will set these variables automatically at every Oracle login:
Login as the Oracle user:
{code}
su - oracle
{code}
Copy the default account skeleton files and add the Oracle env script to .profile:
{code}
cp /etc/skel/.bash_logout ./
cp /etc/skel/.bashrc ./
cp /etc/skel/.profile ./
echo "" >>./.profile
echo '. /u01/app/oracle/product/11.2.0/xe/bin/oracle_env.sh' >>./.profile
{code}
By default, the Oracle Database XE graphical user interface is only available at the local server, but not remotely. The following will enable remote logins:
Login as the Oracle user:
{code}
su - oracle
{code}
Login as SYSDBA and execute the following:
{code}
sqlplus / as sysdba
SQL> EXEC DBMS_XDB.SETLISTENERLOCALACCESS(FALSE);
exit
{code}
See http://download.oracle.com/docs/cd/E17781_01/admin.112/e18585/toc.htm for more information.
h3. a) Unity desktop configurations
The Oracle XE menu under the previous Gnome Classic desktop shows several useful scripts to backup the database, start and stop the database, etc. Under the Unity based desktop this menu is not available. You can either switch to the Gnome Classic desktop as outlined in chapter 2, or perform the following steps to modify and copy the scripts as outlined below. The start and stop database scripts will also be modified to perform a progress feedback.
Login as user root:
{code}
sudo su -
{code}
Convert desktop files:
{code}
cd /usr/share/applications
sed -i 's/Categories.*/Categories=Database;Office;Development;/g' oraclexe*
sed -i 's/MultipleArgs/X-MultipleArgs/g' oraclexe*
sed -i 's/MimeType.*/MimeType=application\/x-database/g' oraclexe*
sed -i 's/.png//g' oraclexe*
sed -i 's/Terminal=false/Terminal=true/g' oraclexe-startdb.desktop
sed -i 's/Terminal=false/Terminal=true/g' oraclexe-stopdb.desktop
{code}
Exit root:
{code}
exit
{code}
Login as user Oracle:
{code}
su - oracle
{code}
Modify database start and stop scripts:
{code}
cd /u01/app/oracle/product/11.2.0/xe/config/scripts
cp startdb.sh start.sh_orig
cp stopdb.sh stopdb.sh_orig
sed -i 's/>.*//g' startdb.sh
sed -i 's/>.*//g' stopdb.sh
{code}
You will need SYSDBA privileges and set Oracle environment variables in order to use your regular user account.
Login to your regular user account:
{code}
su - dude
{code}
Enter the folowing command:
{code}
sudo usermod -a -G dba dude
{code}
Then update your profile to automatically set the necessary Oracle environment variables:
{code}
echo "" >>./.profile
echo '. /u01/app/oracle/product/11.2.0/xe/bin/oracle_env.sh' >>./.profile
{code}
Update your Desktop folder to contain useful Oracle XE scripts:
{code}
cp /usr/share/applications/oraclexe* ~/Desktop
chmod 750 ~/Desktop/oraclexe*
{code}
To verify success re-login and try "sqlplus":
{code}
su - oracle
sqlplus / as sysdba
{code}
h2. 10) Tips and Troubleshooting
h3. 10. a) Port 1521 appears to be in use by another application
Error: Port 1521 appears to be in use by another application. Specify a different port.This error happens after a previously unsuccessful configuration attempt using /etc/init.d/oracle-xe configure script. The script was able to start the Listener process, but most likely failed to continue to clone the database, e.g. ORA-00845. The following should correct the problem:
Determine the oracle listener process that is already running:
{code}
$ ps -ef | grep oracle
{code}
Your output should be similar to:
{code}
oracle   19789     1 0 19:46 ?        00:00:00 /u01/app/oracle/product/11.2.0/xe/bin/tnslsnr
{code}
Then kill the process, using the appropriate process id, for instance:
{code}
$ sudo kill -9 19789
{code}
h3. 10.b) cannot touch `/var/lock/subsys/listener': No such file or directory
Starting Oracle Net Listener...touch: cannot touch `/var/lock/subsys/listener': No such file or directoryThis error occurs when you run /etc/init.d/oracle-xe configure, but failed the preinstallation step to create the /var//lock/subsys directory as outlined in chapter 8.
h3. 10.c) ORA-00845: MEMORY_TARGET
ORA-00845: MEMORY_TARGET not supported on this system See chapter 7 to enable /dev/shm and verify free space available in /run/shm
h3. 10.d) Apex ADMIN password
According to the Oracle documentation, the password for the INTERNAL and ADMIN Oracle Application Express user accounts is initially the same as the SYS and SYSTEM administrative user accounts. Well, I tried several times without success. To reset the Apex Admin password:
Login as user oracle:
{code}
su - oracle
{code}
Login as SYSDBA and type the following:
{code}
sqlplus / as sysdba
{code}
At the SQL prompt, type the following to be prompted to change the password:
{code}
SQL> @?/apex/apxxepwd.sql
exit
{code}
When done, open your browser and go to http://127.0.0.1:8080/apex
Workspace: Internal
Username: ADMIN
Password: password you set with apxxepwd.sql
I will prompt you to reset the password:
old password: password you set with apxxepwd.sql
new password: final_password
You can also login as the Apex Admin using http://127.0.0.1:8080/apex/apex_admin
h3. 10.e) SYS and SYSTEM password
Use the following commands to reset the SYS and SYSTEM passwords if necessary:
Login as the Oracle user:
{code}
su - oracle
{code}
Login as SYSDBA and type the following at the SQL prompt:
{code}
sqlplus / as sysdba
SQL> alter user sys identified by "password" account unlock;
SQL> alter user system identified by "password" account unlock;
SQL> exit
{code}
h3. 10.f) Uninstall Oracle 11g XE
The following will completely uninstall and remove Oracle 11g XE:
Open a terminal seesion and login as user root:
{code}
sudo su -
{code}
Enter the following:
{code}
/etc/init.d/oracle-xe stop
dpkg --purge oracle-xe
rm -r /u01/app
rm /etc/default/oracle-xe
update-rc.d -f oracle-xe remove
update-rc.d -f oracle-mount remove
update-rc.d -f oracle-shm remove
{code}
h3. 10.g) Reconfigure Oracle 11g XE
Type the following commands in a terminal window:
{code}
sudo /etc/init.d/oracle-xe stop
sudo rm /etc/default/oracle-xe
sudo /etc/init.d/oracle-xe configure
{code}
h3. 10.h) Gnome Classic desktop
Ubuntu 11 moved from the Gnome Classic desktop to Unity and removed the "Ubuntu Classic" login option. Unity was designed to make more efficient use of space given a limited screen size and touch screens. If you prefer to use the Gnome Classic desktop, enter the following into a terminal window:
{code}
sudo apt-get install gnome-panel
{code}
To log into the Gnome Classic desktop, select the "Gearwheel" at the login screen and select "Gnome Classic".
h3. 10.i) Unix vi cursor keys
The instructions in this tutorial do not require the use of any text editor. However, if you would like use the backspace and cursor keys in the "vi-editor", the following needs to be installed:
{code}
sudo apt-get install vim
{code}
h3. 10.j) Backup Database
In order to perform an online database backup using the supplied "Backup Database" script, the database needs to run in Archive-Log mode. This can be setup using the following commands:
Login as the Oracle user:
{code}
su - oracle
{code}
Login as SYSDBA and type the following:
{code}
sqlplus / as sysdba
SQL> shutdown immediate
SQL> startup mount
SQL> alter database archivelog;
SQL> alter database open;
SQL> exit
{code}
h2. 11) History
Version: A, 24-Oct-2011
- first release
Version: B, 25-Oct-2011
- reduced instructions.
- corrected errors in 6a and 8.
- new strategy addressing ORA-00845 error.
- rework of chapter 10.
Version: C, 30-Nov-2011
- corrected typo in 6a
- new procedures in 9a.
- added progress feedback to database scripts.
Version D, 14-Jan-2012
- corrected presentation errors.
- reorganized instructions.
h3. 12) References
http://download.oracle.com/docs/cd/E17781_01/install.112/e18802/toc.htm
http://askubuntu.com/questions/57297/why-has-var-run-been-migrated-to-run
http://lwn.net/Articles/436012/
https://forums.oracle.com/forums/thread.jspa?threadID=2300750&tstart=0
Kind regards and best of luck!
Dude.

Excellent Blog. Thank You
Small clarification on Step **6) Oracle Home Directory, ...a) Resize the Root Partition**
Ubuntu 11.10 has Gparted available as a Ubuntu software download, DONT use that while trying the above step, instead download the ISO file from http://sourceforge.net/projects/gparted/files/gparted-live-stable/ gparted-live-0.12.0-5.iso (124.6 MB)
Burn that ISO file on a Blank DVD, reboot the Ubuntu , during startup select Boot from DVD Option if not already selected. this will take to Boot Menu Options of Gparted Live then select the first menu option, and this allows to do further action such as Re-sizing .
and once you have chosen and executed step a) . do NOT run step b) also that is "Setup External Storage"
I hope this minor clarification can avoid some confusion
Regards
Madhusudhan Rao
Edited by: MadhusudhanRao on Mar 24, 2012 11:30 PM

How do I change the website that Firefox automatically defaults to (Yahoo search) when opening a new tab?

Whenever I open a new tab, the new tab opens to a yahoo search page. It used to open to just a blank tab and changed somehow. I've been unsuccessful at changing it back.

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
* [[Troubleshooting plugins]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

When I right click on a link "Open link in new tab" since a few days, it "jumps over" the tab to the right and opens in the tab next to that. How can I change this back to opening in the tab next to the page from which I opened as it used to be?

When I right click on a link "Open link in new tab" since a few days, it "jumps over" the tab to the right and opens in the tab next to that. How can I change this back to opening in the tab next to the page from which I opened as it used to be?

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
* [[Troubleshooting plugins]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

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