Problems with file permissions and authorization/authentication and hostname (using ddns)
hey guys!
decided to rewrite this entire question...it was too hard to understand what i want.
I have a student version of server 2012 r2. I installed like 50 roles, and then deleted 90% of them. i have....a bunch of webserver roles, almost all of them i bet, and misc others. no AD or dns roles..i deleted those i thought they might have been the problem.
I connected this to a dynamic dns courtesy of No-ip.com. example.ddns.net
when installing a blog or cms, and I am asked for the server name (for database) do i use localhost, 192.168.1.###, my router ip, computer name, example.ddns.net, or something else?
Same question above for iis bindings! What do i put for the host?
secondly, what file permissions do i set up? I can't seem to access umbraco, for example, from outside the network unless i use windows admin credentials in the physical path credentials via IIS advanced options.
Hi,
The issue is related to IIS, I suggest you ask for help from IIS forum for better and accurate answer to the question.
http://forums.iis.net
Best Regards,
Mandy
We
are trying to better understand customer views on social support experience, so your participation in this
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Similar Messages
-
Hello all,
I am making a simple HttpServlet, which takes input
from html page and saves in to a file, but I'm having a
bit of a problem with file permissions.
I'm getting the following exception
java.security.AccessControlException: access denied (java.io.FilePermission ./data/result read)
java.security.AccessControlContext.checkPermission(AccessControlContext.java:264)
java.security.AccessController.checkPermission(AccessController.java:427)
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
java.lang.SecurityManager.checkRead(SecurityManager.java:871)
java.io.File.exists(File.java:700)
SyksyHTTPServlet.doPost(SyksyHTTPServlet.java:31)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)The exception seems to occur when I'm trying to check whether the file already
exists or not.
The data directory has all permissions (read, write and execute) set for all users,
and I have made an empty file called result inside the data directory for testing.
This file has read and write permissions enabled for all users.
Here's my code
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.Enumeration;
import java.util.List;
import java.util.ArrayList;
public class SyksyHTTPServlet extends HttpServlet
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
int totalCount = 0;
List list;
String song = request.getParameter("song");
PrintWriter out = response.getWriter();
File file = new File("./data/result");
if(file.exists()) // this is line 31, which seems to cause the exception
list = readFile(file);
else
file.createNewFile();
list = new ArrayList();
list.add(song);
writeFile(file, list);
for(int i = 0 ; i < list.size() ; i++)
out.println(list.get(i));
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
doPost(request, response);
private List readFile(File file)
List list = null;
try
FileInputStream fis = new FileInputStream(file);
ObjectInputStream ois = new ObjectInputStream(fis);
list = (ArrayList)ois.readObject();
ois.close();
catch(Exception e)
e.printStackTrace();
return list;
private void writeFile(File file, List list)
try
FileOutputStream fos = new FileOutputStream(file);
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(list);
oos.flush();
oos.close();
catch(Exception e)
e.printStackTrace();
}I'm using Tomcat 5.5 on Ubuntu Linux, if that has anything to do with this.
I'll appreciate all help.
kari-mattiHello again.
I'm still having problems with this. I made
a simple servlet that reads from and writes
to text file. The reading part work fine on my
computer, but the writing doesn't, not even
an exception is thrown if the file exists that
I'm trying to write to. If I try to create a new
file I'll get an exception about file permissions.
I also asked a friend of mine to try this same
servlet on his windows computer and it works
as it should.
Here's the code
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class ReadServlet extends HttpServlet
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
String s = "";
PrintWriter out = response.getWriter();
String docroot = getServletContext().getRealPath( "/" );
out.println("docroot: "+docroot);
File file = new File(docroot+"test.txt");
if(file.exists())
s = readFile(file);
out.println(s);
else
out.println("file not found");
//file.createNewFile(); // causes exception
//out.println("new file created.");
writeFile(file, "written by servlet");
out.println("Now look in the file "+file.getPath());
out.println("and see if it contains text 'written by servlet'");
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
doPost(request, response);
private String readFile(File file)
FileInputStream fis = null;
BufferedInputStream bis = null;
DataInputStream dis = null;
String s = "";
try
fis = new FileInputStream(file);
bis = new BufferedInputStream(fis);
dis = new DataInputStream(bis);
s = dis.readLine();
fis.close();
bis.close();
dis.close();
catch(Exception e)
e.printStackTrace();
return s;
private void writeFile(File file, String s)
FileOutputStream fos = null;
BufferedOutputStream bos = null;
DataOutputStream dos = null;
try
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos);
dos = new DataOutputStream(bos);
dos.writeChars(s);
fos.flush();
bos.flush();
dos.flush();
fos.close();
bos.close();
dos.close();
catch(Exception e)
e.printStackTrace();
}And if someone wants to test this servlet I can
give a war package.
Any advices?
kari-matti -
Problem with file permissions using Snow Lepord
I'm having problems with file Sharing & Permissions using Snow Lepord.
When I save any new file it only has 'Read & Write' privileges for the user, everyone else is 'read only' or 'no access'.
We have a Netgear NAS Server which is accessed by other users over the local network and if I change the Privilege to 'read & write' via Get Info and then copy the file from my desktop to ther server it changes the Privilege of the server version to 'no access' we then have to change it again for it to work.
I also created a new folder on the server and now it says 'no access' and has a no entry icon!
Any ideas???We have issues like this. Have tried running AFP and SMB, now connecting using CIFS. All have the same problem. I can work on one or two files fine, then suddenly, one of the files I just worked on says I don't have permissions. I log off the server and log back on, and then I have permissions to the file. It will work fine for one or two operations, then fails. We just updated to OSX Mavericks and a Windows 2012 server, but have been having this issue for years. My permissions look fine. I can even change permissions, but it won't let me work on the file or move or delete the file or rename the file. Once I log out and log back in, I can do anything I want.
-
Live Data / Problem with file permissions
Just trying out an old version of Dreamweaver MX 2004. I am
using my webhosting service for remote server/testing server
duties. It is running PHP 4.3.10 and MySQL 3.23.58. I was able to
set up the database connection and test-retrieve a recordset with
no problems. In following the tutorial I found that Livedata
wouldn't work, it just giving me a warning about file permissions
being wrong. It turns out that when Dreamweaver creates a temporary
file of the work-in-progress to upload to the remote server the
file is created on the server with owner=rw, group=rw, world=r
which explains why it won't run - group has to be set to group=r.
The file is created on the fly and then immediately deleted by
Dreamweaver so it is impossible to manually set the permission on
the server and probably fairly pointless too.
I tried just saving the file and previewing in the browser
which again causes it to be uploaded to the remote server. The
first time this resulted in the browser offering a file download
box instead of running the page. The reason is - again - that
Dreamweaver is setting the uploaded file permissions to include
group=rw. If I manually set the permission for group to group=r it
runs fine.
It turns out that Dreamweaver is always setting the file
permissions on file uploads (checked php and html) to the
remote/testing server to include group=rw. Once I set it manually
on the remote/testing server to group=r for a php file everything
is fine and subsequent uploads of the same file do not change it
again.
I checked with the webhosting company and their second-line
have reported back to me that the default file permission they set
on uploaded files includes group=r so it must be DW that is causing
the problem by setting group=rw the first time. I confirmed this by
using WS-FTP to upload the same file (renamed) to the same target
directory and the permissions set were owner=rw, group=r, world=r.
So
Can anyone please tell me how to change the permissions DW
sets on files written to a remote server because I have spent
countless hours on it without success. From looking at other posts
in this forum it could be that other users are hitting the same
kind of problem with DW8Stop using Live Data with a hosting account. Set up PHP and
MySQL locally on
your machine. That is how it's supposed to work. You
shouldn't test files on
the fly on a host as you write them. Change your test account
in DW to use
the local server. Upload your files to your remote server
after they are
fully tested.
Tom Muck
http://www.tom-muck.com/
"nigelssuk" <[email protected]> wrote in
message
news:[email protected]...
> Just trying out an old version of Dreamweaver MX 2004. I
am using my
> webhosting
> service for remote server/testing server duties. It is
running PHP 4.3.10
> and
> MySQL 3.23.58. I was able to set up the database
connection and
> test-retrieve a
> recordset with no problems. In following the tutorial I
found that
> Livedata
> wouldn't work, it just giving me a warning about file
permissions being
> wrong.
> It turns out that when Dreamweaver creates a temporary
file of the
> work-in-progress to upload to the remote server the file
is created on the
> server with owner=rw, group=rw, world=r which explains
why it won't run -
> group
> has to be set to group=r. The file is created on the fly
and then
> immediately
> deleted by Dreamweaver so it is impossible to manually
set the permission
> on
> the server and probably fairly pointless too.
>
> I tried just saving the file and previewing in the
browser which again
> causes
> it to be uploaded to the remote server. The first time
this resulted in
> the
> browser offering a file download box instead of running
the page. The
> reason is
> - again - that Dreamweaver is setting the uploaded file
permissions to
> include
> group=rw. If I manually set the permission for group to
group=r it runs
> fine.
>
> It turns out that Dreamweaver is always setting the file
permissions on
> file
> uploads (checked php and html) to the remote/testing
server to include
> group=rw. Once I set it manually on the remote/testing
server to group=r
> for a
> php file everything is fine and subsequent uploads of
the same file do not
> change it again.
>
> I checked with the webhosting company and their
second-line have reported
> back
> to me that the default file permission they set on
uploaded files includes
> group=r so it must be DW that is causing the problem by
setting group=rw
> the
> first time. I confirmed this by using WS-FTP to upload
the same file
> (renamed)
> to the same target directory and the permissions set
were owner=rw,
> group=r,
> world=r.
>
> So
>
> Can anyone please tell me how to change the permissions
DW sets on files
> written to a remote server because I have spent
countless hours on it
> without
> success. From looking at other posts in this forum it
could be that other
> users
> are hitting the same kind of problem with DW8
> -
Problem with file permissions in Windows shares
Due to a company merger we are now supporting a group of Macs in our PC environment. These Macs connect to our Windows shares. This generally works well, however we have discovered a problem. It’s to do with the way our Macs interact with our Windows shares. When they copy a file to a windows share they take the permissions for the file they copy from the route of the share rather than from the subfolder the files are copied to and write the file permissions accordingly.
This only affects admin users who use Macs with the ability to change file permissions. Everyone else inherits the permissions from the subfolder as they should because their account can’t change the permissions. If the route and subfolder permissions are the same then there is no change. If they are different, the Mac will use the share route permissions as preference.
We have shares where users don’t have access to the route folder but do have access to other folders. This is so that they can’t change the top level folder structure. However they are able to create folders and files under the top level folders. If an administrator uses a Mac, no one has access to any files or folders they create because users don’t have access to the route folder and this is copied to the files and folders they create. This doesn’t affect our PC’s only the Macs.
We are using the latest Mac OS fully updated and Windows 2008 server. Is this a normal Mac ‘Feature’? Is there a work around?I’m a bit disappointed by the lack of response to my problem. As Windows is the predominant file server in business, this problem must have occurred before.
Are Mac people really saying that Macs are not designed to connect to networks? At the moment our Macs are unusable apart from a few isolated tasks. Basically they are used by a few designers who work in isolation. If PC’s had this problem no one would buy them. -
[solved] findutils - problem with file permissions
Hey,
I tried running makepkg -c for an updated PKGBUILD of a package I maintain in the AUR (gretl), and it seemed fine but then hit:
==> Tidying install...
-> Purging other files...
-> Compressing man and info pages...
-> Stripping debugging symbols from binaries and libraries...
-> Removing libtool .la files...
-> Removing empty directories...
find: invalid predicate `-delete'
I'd had some other strange errors with find over the past few weeks or so (my last -Syu was after this month's catalyst driver came out with support for the current kernel) but had shrugged them off. This error made me decide to try reinstalling findutils, and it gave the error:
error: cannot remove file 'usr/bin/find': Operation not permitted
a bit stupidly, I tried pacman -Rd then -S findutils, and now I get
error: failed to commit transaction (conflicting files)
findutils: /usr/bin/find exists in filesystem
Errors occurred, no packages were upgraded.
missing dependency for ca-certificates : findutils
missing dependency for initscripts : findutils
missing dependency for mkinitcpio : findutils
missing dependency for texinfo : findutils
ls -als /usr/bin | grep find gives:
12 -rwxr-xr-x 1 root root 10636 Mar 25 16:24 deepfind
64 -rwxr-xr-x 1 root root 59200 May 9 01:58 efinder
64 -rwxr-xr-x 1 500 500 59536 Jun 16 14:49 find
and rm, mv, chmod, chown etc on /usr/bin/find as root, and from livecd, all also come back with "Operation not permitted".
find seems to work fine for a few simple uses I've just tried.. but the last time I ran makepkg -c without the error was before the last system upgrade, so I'm guessing find didn't upgrade properly then due to whatever is wrong with the permissions, leading to the other errors.
Anyway, I guess the question is, can I do anything to get rid of /usr/bin/find and reinstall findutils? don't mind so much about missing dependencies as I tend not to upgrade that often, but find not doing what it should is a bit of a pain.
Last edited by manehi (2009-08-30 08:52:20)mm I tried all that, and no luck. though trying adduser 500 did give me a helpful reminder that usernames can't start with numbers...
anyway, it's not a huge deal atm, and I can always clean reinstall the / partition if things really break. Thanks all the same.
PS:
huh, just had a thought - I remember how I used to get annoyed how mounting partitions using ext2ifs in windows didn't respect permissions properly. and now I almost wish I had a windows partition / that this wasn't a laptop hard drive...
Last edited by manehi (2009-08-30 00:31:13) -
Hi, I'm new to this forum want help from you...
I've a Power Mac (7200/120) & been using for almost 10 years. Now the light of the Monitor is fadeing within five min. I've huge files
written in Bengali Language with a font named BengaliCS. I want to convert this files to Windows so that I can edit those files into
window. I heard there are softwares that convert Mac to Window but don't know they can convert to regional language.
I would appreciate if one can help me on this.
thankschand@007 wrote:
I've huge files
written in Bengali Language with a font named BengaliCS. I want to convert this files to Windows so that I can edit those files into
window.
You need to tell us A) what app did you create those files with? and B) what format are they in (.doc, .txt, etc)?
It may be possible to just transfer the files and your font to another machine without conversion depending on how they were made.
Where did you get the BengaliCS font? -
[Solved] Problem with file permissions for a group
I'm working on a simple Apache HTTP server just to get a small education in proper unix work.
To save myself sudoing everything (and generally because it seems the proper way to use unix), I'm trying to give my user control over the /srv directory. So I ran:
- `sudo groupadd srvadmin` to create a group called srvadmin
- `sudo chown -R :srvadmin /srv` to change the group-owner of /srv to srvadmin (and all files inside it)
- `sudo chmod -vR g+w /srv` to give /srv and all its files group write permission
- `sudo gpasswd -a <me> srvadmin` to add my user to the srvadmin group
But I still can't create or edit files in /srv
"ls -l / | grep srv" gives:
drwxrwxr-x 4 root srvadmin 4096 Dec 19 17:44 srv
all the files and directories inside /srv also have group write permissions and are owned by user "root" and group "srvadmin"
"cat /etc/group | grep srv" gives:
srvadmin:x:1000:<me>
However, possibly herein lies a clue:
"id" gives:
uid=1000(<me>) gid=100(users) groups=100(users),7(lp),10(wheel),50(games),91(video),92(audio),93(optical),95(storage),96(scanner),98(power)
That is, "id" doesn't tell me I'm in the srvadmin group.
It seems like there's an important concept about groups and permissions that I'm not getting, but reading several man and wiki pages hasn't enlightened me. Could anyone suggest what I'm missing?
Thanks.
Last edited by bjackman (2012-01-15 20:43:09)fsckd wrote:
bjackman wrote:Edit: I'm guessing only mods can put [Solved] tags in a title?
No, our job is to tell you to do it yourself: https://wiki.archlinux.org/index.php/Fo … ow_to_Post (second to last bullet)
Ok, this is pretty embarrassing given the parallels with the topic of this thread, but I coudn't edit the title (which is the reason for my earlier remark; I assumed I didn't have permission)!
The text box was un-editable (not "disabled", I just couldn't edit the text in it). I managed to change it in the end by deleting all the text and typing a new title. I think it may have been just because the title was at the exact character limit. -
Problems with file permissions (read only) from Migration Assistant
So, I just got a new computer (Mac Pro / Leopard) and I used the Migration Assistant to bring in all of my information from my old Powerbook running Tiger. Once that was done I had two accounts: my old admin account (with all of my settings) and my new admin account (the default). I deleted the new admin account because I had no intent to use it any longer, and planned to continue using the old one.
But since then, I have been having some permissions issues. Pretty much all of my files are Read Only, so I have to set the permissions on them one-by-one as I need to write them. This also prevented me from doing the 10.5.2 update in Software Update (I was able to get it manually from apple.com.
I need to know if there's any way to fix this. I tried restoring from the discs, but that didn't affect anything. I've tried repairing permissions, and while that may have helped with some system folders, it doesn't help with the rest of the hundreds of files that I'm sure I'll need to "unlock" in the future.
Please help!Repairing permissions won't fix this. Repair permissions can only work on system files and other files which have a bill of materials (BOM) receipt in /Library/Receipts.
You need to change the ownership of the files. This is very easy to do with terminal if you know what you're doing:
sudo chown -R username:staff
where username is your short username (e.g. mine is blloyd). -
Is anyone having the same type of problems I'm having with Lion. I have a new MacBook Pro, received 7 weeks ago, preinstalled with Leopard 10.6.7. I didn't migrate anything from my old iMac, wanted a clean install from the Apple Store. While there, I asked for the upgrade to Lion 10.7, however their system was down.
I installed it myself, wirelessly about a week later, and Apple emailed me a receipt. Now, I've had to call support directly last week when I lost Mail, Address Book, was unable to open Preview or iTunes, among other problems. Seemed fixed after a session that baffled even the store tech. Now I am unable to download or install the recent Mac updates for Lion, from the App Store, could not install Adobe Reader, etc. Messages range from 'A network error has occured - Check your Internet connection and try again' to 'The Installer is damaged and cannot open the package. There may be a problem with file ownership or permissions.' All fail and I'll probably have to call Apple again. I am frustrated beyond words. Logs 'Install's runner tool is not properly configured as a setuid tool', domain errors, 'attempt to write a readonly database, and on and on. I have barely done a thing on this computer except search online for help with these problems. Safari gives me a 'You are not connected to the internet' too often. Diagnostics disagrees. I do see wi-fi problems in the forum. Disk and permissions were fine at the beginning of the earlier problems, checked first by support tech. I'm not sure if support tech even knew. I was just happy they were fixed. Anyone have these download and/or install problems after a 'clean bill of health' so to speak, only a week ago?Let's try the following user tip with that one:
"There is a problem with this Windows Installer package ..." error messages when installing iTunes for Windows -
I am having a problem with my cs6 running very slow and when i save i am getting an error message that says, "This document is bigger than 2 gb (the file may not be read correctly by some TIFF viewers.) please help
wen6275,
It looks like you're actually using a camera or phone to take a photo of your monitor.
That's not what is commonly known as a "screen shot".
It looks like you're on a Mac. Hitting Command+Shift+3 places a capture of the contents of your entire monitor on your Desktop; hitting Command+Shift+4 will give you a cross-hairs cursor for you to select just the portion you want to capture.
I'm mentioning this because I fear I'm not construing your original post correctly when you type "I am working with a large files [sic], currently it has 149 layers, all of which are high resolution photographs", so I'm wondering if there's some similar use of your own idiosyncratic nomenclature in your description of your troublesome file.
Perhaps I'm just having a major senior moment myself, but I'm utterly unable to imagine such a file. Would you mind elaborating? -
i have just purchased elements 12. It will not convert a raw file for me. i have downloaded DNG convertor 8.5 but it says that my Canon 70d is not compatible. I never had a problem with my last camera canon 7d and elments 8. Can someone help me please
Did you buy PSE in the mac app store? If not, just go to Help>Updates in the editor and update camera raw and you should be able to open the raw files in PSE 12 directly without the DNG converter.
-
Has anyone ever had a problem with their iphone 4 not syncing and/or writing a backup file?
Has anyone ever had a problem with their iphone 4 not syncing and/or writing a backup file? Itunes locks up when i attempt a sync as well as when I transfer my purchases from my phone to Itunes. I'm running Itunes 10.4.1 on iOS 4.3.5. All of this is running on an 8 year old hp pavillian laptop running XP Pro that is fully updated. Could my phone have a bug or a hardware problem. Are there any known problems with iOS 4.3.5? Pretty frustrating problem so I'm hoping that someone has heard of this and can offer some suggestions on a solution. Thanks a bunch.
Did you used to have service and now suddenly you don't?
This happened to me a few years back, and several other iPhone users in my neighborhood, and after a while on the phone with AT&T they figured out that a technician had recently adjusted the receiver/sender on the tower and it was slightly off. They sent them back up and I actually had a better signal after than I did before it went out.
I would call AT&T and explain the issue you are having and see if they can fix it.
If you never had service there then like wjosten said it's probably just a bad zone.
Hope you get it sussed out.
-PM -
Hey Guys i have a problem with my mac since last month and it wont boot up it freezes in a grey apple logo and and spinning gear any body know how to fix this?
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a boot failure is to secure your data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since your last backup, you can skip this step.
There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.
a. Boot into Recovery by holding down the key combination command-R at the startup chime, or from a local Time Machine backup volume (option key at startup.) Release the keys when you see a gray screen with a spinning dial. When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in the support article linked below, under “Instructions for backing up to an external hard disk via Disk Utility.”
How to back up and restore your files
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime. Connect the two Macs with a FireWire or Thunderbolt cable. The internal drive of the machine running in target mode will mount as an external drive on the other machine. Copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
How to use and troubleshoot FireWire target disk mode
c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Before reconnecting an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
Step 3
Boot in safe mode.* The instructions provided by Apple are as follows:
Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
When you see the gray Apple logo, release the shift key.
If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
*Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Post for further instructions.
When you boot in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then reboot as usual (i.e., not in safe mode.)
If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 4
Sometimes a boot failure can be resolved by resetting the NVRAM.
Step 5
Launch Disk Utility in Recovery mode (see above for instructions.) Select your startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it produces. Look for the line "Permissions repaired successfully" at the end of the output. Then reboot as usual.
Step 6
Boot into Recovery again. When the OS X Utilities screen appears, follow the prompts to reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
Step 7
Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a backup.
Step 8
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested. -
why would an error pop up saying the installer is damaged. The Installer can’t open the package. There may be a problem with file ownership or permissions. when trying to install java 7?
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Select
/var/log ▹ install.log
from the hierarchical list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar. Then select the messages from the last installation or update attempt, starting from the time when you initiated it. If you're not sure when that was, click the Clear Display button in the toolbar of the Console window and then try the installation again.
Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V).
If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.
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