0S-X 10.8.2 And CentOS

I have a Mac Mini running 10.8.2 and having created a bootable ISO of CentOS 6.3 I am unable to boot from this DVD. (I've been holding down the 'C' key during a reboot to no avail).
Since I've external drives as well, is it possible to boot from the Linux install DVD and have it install on one of the bootable external disks?
If that is not possible it would appear that I have to use Boot Camp....correct?
Many thanks,
Ron

First, an iso and bootable are not interchangeable. If it is indeed an iso, you need to burn the iso to disk as a disk, not iso.
Second, you need to hold down the option key to enter the boot manager. All bootable systems will show up. If it is a CD or DVD, it will take a little time to read the disk before it shows up.
I believe the C key will only boot Mac OS X off a CD, but I'm not certain.

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Failure in retrieving quotas: cDOT 8.2 , NFSv4 and Centos 7.1

Hi everyone,I would like to get some help on a tedious quota issue I am facing while using NFSv4 on cDOT 8.2.1 and linux centos 7 (kernel vsersion: 3.10.0-229.el7.x86_64 ). Basically I get an "operation not permitted" eveytime I try to get quotas from the filer. Server (clustered ontap 8.2 ) reports that the quotas are working and enabled: mycluster::> volume quota show -vserver myserver -volume vol1
Vserver Name: myvserver
Volume Name: vol1
Quota State: on
Scan Status: -
Logging Messages: on
Logging Interval: 1h
Sub Quota Status: none
Last Quota Error Message: -
Collection of Quota Errors: - The rquotad daemon is enabled: mycluster::> nfs show -vserver myserver -fields rquota
vserver rquota
myserver enabled
The quotas also work
mycluster::> quota report -vserver myvserver -volume vol1
Vserver: myserver
----Disk---- ----Files----- Quota
Volume Tree Type ID Used Limit Used Limit Specifier
vol1 user * 0B 10GB 0 - *
vol1 qtree_home
user * 0B 10GB 0 - *
vol1 user root 0B - 2 -
vol1 user user1
818.3MB 10GB 10337 - *
vol1 user user2
2.22GB 10GB 12577 - *
vol1 user user3
42.14MB 10GB 1523 - *
vol1 user user4
18.41MB 10GB 501 - *
vol1 user user5
36.20MB 10GB 395 - *
vol1 qtree_home
user root 0B - 1 -
9 entries were displayed.
From the client perspective I have the following configuration: nfs4 exported by autofs: /misc /etc/auto.misc
/net -hosts
+dir:/etc/auto.master.d
/- /etc/auto.home --timeout=600 --ghost
+auto.masterand for instance auto.home
/home -fstype=nfs -nfsvers=4 x.x.x.x:/vol1NFS config file ( /etc/sysconfig/nfs )  MOUNTD_NFS_V2="no"
MOUNTD_NFS_V3="no"
RPCNFSDARGS="-N 2 -N 3"
RPCNFSDARGS=""
RPCMOUNTDOPTS=""
STATDARG=""
SMNOTIFYARGS=""
RPCIDMAPDARGS=""
RPCGSSDARGS=""
GSS_USE_PROXY="yes"
RPCSVCGSSDARGS=""
BLKMAPDARGS=""
NFSMAPID_DOMAIN="my.cool.domain" The user system authentication is not local and is mediated by openldap. And there is an error when I do a user triage since I am not using AD I guess but openLDAP.mycluster::*> diag secd authentication show-creds -vserver myserver -node mycluster-02 -unix-user-name user1
Vserver: myserver (internal ID: 3)
Get user credentials procedure succeeded
[ 7] Determined UNIX id 5000 is UNIX user 'user1'
[ 8] Using a cached connection to ldap.server.ip
Error: command failed: Failed to get user credentials. Reason: "SecD Error: configuration not found". To end with this long post (sorry about that), when i try to get quotas for a user from the client i get this message:uname -a
Linux client 3.10.0-229.el7.x86_64 #1 SMP Fri Mar 6 11:36:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linuxquota
quota: error while getting quota from x.x.x.x:/vol1 for user1 (id 5000): Operation not permittedquota --versionQuota utilities version 4.01.Compiled with: USE_LDAP_MAIL_LOOKUP EXT2_DIRECT HOSTS_ACCESS RPC RPC_SETQUOTA BSD_BEHAVIOURI also tried quota -m and -v without success. I see using wireshark a conversation between cDot nfsv4 server and centos client which ends in a "not permitted" error: 785 10.423592000 client server Portmap 98 V2 GETPORT Call (Reply In 786) RQUOTA(100011) V:2 UDP
786 10.423927000 server client Portmap 70 V2 GETPORT Reply (Call In 785) PROGRAM_NOT_AVAILABLE
787 10.423974000 client server Portmap 98 V2 GETPORT Call (Reply In 788) RQUOTA(100011) V:1 UDP
788 10.424303000 server client Portmap 70 V2 GETPORT Reply (Call In 787) Port:4049
789 10.424333000 client server RQUOTA 126 V1 GETQUOTA Call (Reply In 790)
790 10.424899000 server client RQUOTA 70 V1 GETQUOTA Reply (Call In 789)status: EPERM (3)Finally the triage for secd gives me this error:mycluster::*> diag secd authentication show-creds -vserver myserver -node mycluster-02 -unix-user-name user1
Vserver: myserver (internal ID: 3)
Get user credentials procedure succeeded
[ 7] Determined UNIX id 5000 is UNIX user 'user1'
[ 8] Using a cached connection to ldap.server.ip
Error: command failed: Failed to get user credentials. Reason: "SecD Error: configuration not found".Secd logs  this error: Time Node Severity Event
6/25/2015 11:28:14 mycluster-02 ERROR secd.nameTrans.noNameMapping: vserver (myserver) could not map name (user1): (No rule exists to map name of user from unix-win).   Thank you in advance for your patience

hi all
I am also facing the similar problem but in my case i used sun web server 6.1 and i installed policy agent 2.2.After authenticating in sun access manager it will throw me Server errror -
"This server has encountered an internal error which prevents it from fulfilling your request. The most likely cause is a misconfiguration. Please ask the administrator to look for messages in the server's error log."
and in policy agent log file it will throw me following exception
Error 12560:8f45a0 PolicyEngine: am_policy_evaluate: InternalException in AuthService::processLoginStatus() with error message:Exception message=[Invalid user ID and password. Try again.] errorCode='103' templateName=login_failed_template.jsp and code:3
Error 12560:8f45a0 PolicyAgent: validate_session_policy() status: Access Manager authentication service failure.
I delete my agent profile and recreate it but the message is same.I check my directory server also my agent profile is present there.
Can anyone tell me why this is happen?
Thanks,
Rita

ZAM support for Debian and CentOS

I'm planning to install Zenworks Asset Management and I would like to know if it would release a support for Debian and CentOS. We have a heterogenous network environment and there are servers that are running Debian and CentOS. Is it possible for ZAM to release a support for these operating systems?

Vindveif,
The version of Asset Management (7.5) that this forum covers, runs on
top of windows only. ZLM (7.3) only supports SLES and RedHat.
Shaun Pond

Support for SLES, Debian and CentOS

I'm planning to install Zenworks Endpoint Security Management and I would like to know if it would release a support for linux platform especially Debian and CentOS. We have a heterogenous network environment and there are servers that are running Debian and CentOS. Is it possible for ZESM to release a support for these operating systems? Also, would there be a release where ZESM could be installed in SLES?

Take a look at the new ZCM11 - currently in Beta1 - for SLES & Red Hat support and broader support DBs - Oracle and Sybase included.
http://www.novell.com/communities/no...agement-beta-1
Most of ZESM functionality is built into this new architecture. You'll also get integrated Linux Management on this build.
>>>
From: vindveif<[email protected]>
To:novell.support.zenworks.endpoint-security-management
Date: 5/31/2010 5:56 AM
Subject: support for SLES, Debian and CentOS
I'm planning to install Zenworks Endpoint Security Management and I
would like to know if it would release a support for linux platform
especially Debian and CentOS. We have a heterogenous network environment
and there are servers that are running Debian and CentOS. Is it possible
for ZESM to release a support for these operating systems? Also, would
there be a release where ZESM could be installed in SLES?
vindveif
vindveif's Profile: http://forums.novell.com/member.php?userid=33233
View this thread: http://forums.novell.com/showthread.php?t=411885

Differences between Oracle Linux and CentOS

Dear ALL
I need differences between Oracle Linux and Cent OS, which is the better OS to install Oracle11gR2.
Kindly send me the benefits and percentage if anybody can...
Thanks.

11gR2 is not certified to be installed on CentOS, so from that perspective alone, OEL is the only choice.
http://docs.oracle.com/cd/E11882_01/install.112/e24321/pre_install.htm#CIHFICFD
HTH
Srini

FMS 4.5 and CentOS 6.1

FMS 4.5 lists CentOS 5.5 as a supported OS. Has it been tested on CentOS 6.1? Setting up a new server with FMS 4.5 and wondering if it's best to stick with CentOS 5.5 or if it should be OK to use CentOS 6.1. Thanks.

Everything seems to check out ok. I've tried the server in multiple configurations. Cent OS 6.2, 6.1, 5.5 with no firewall (iptables --flush). All instances seem to fail in the same way.
Though I believe this may be issue with my web host. I'm currently using Mediatemple.com and their VE service and this is where I have issue.
http://mediatemple.net/webhosting/ve/.   I don't believe they are blocking ports, so must be something else.
Does FMS have any known issues in the Virtuozzo environment?
I have CentOS 6.2 running on a local machine.... and FMS will work without any special configuration!!
Here is a copy of the core log:
2012-02-15
05:34:50        25730   (e)2631007
Failed to create thread (TCPollThread Ctor).    -
2012-02-15
05:34:50        25730   (e)2581279
Assert failed in tincan/util/TCAsyncIO.cpp line 1036    -
2012-02-15
05:34:50        25730   (e)2631007
Failed to create thread (TCPollThread Ctor).    -
2012-02-15
05:34:50        25730   (e)2581279
Assert failed in tincan/util/TCAsyncIO.cpp line 1046    -
2012-02-15
05:34:50        25730   (e)2581279
Assert failed in tincan/util/TCAsyncIO.cpp line 1051    -
2012-02-15
05:34:50        25730   (e)2581279
Assert failed in tincan/util/TCAsyncIO.cpp line 1053    -
2012-02-15
05:34:50        25730   (e)2661007
Failed to create thread (TCServerConnector::startConnector).    -
2012-02-15
05:34:50        25730   (e)2581279
Assert failed in tincan/server/TCTinCanConnector.cpp line 96    -
2012-02-15      05:34:50        25730   (e)2571122
Server aborted. -

Error while running runcluvfy.sh(11g RAC on CentOS 5(RHEL 5))

Oracle Version: 11G
Operating System: Centos 5 (RHEL 5) : Linux centos51-rac-1 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:19:18 EDT 2009 i686 i686 i386 GNU/Linux
Question (including full error messages and setup scripts where applicable):
I am attempting to install oracle 11g in a RAC configuration with Centos 5 (redhat 5) as the operating system. I get the following error
ERROR : Cannot Identify the operating system. Ensure that the correct software is being executed for this operating system
Verification cannot complete
I get this error message when I run runcluvfy.sh, to verify the my configuration is clusterable. I don't know why.
I edited the /etc/redhat-release and entered echo "Red Hat Enterprise Linux AS release 4 (Nahant Update 7)" to attempt to fool the installer into thinking its red hat 4.
But still shows the same message.
Anyone knows how to fix this ?
Please help me.

http://www.idevelopment.info/data/Oracle/DBA_tips/Linux/LINUX_20.shtml
runcluvfy.sh will not work on centos because the cluster verification utility checks the operating system version using the redhat-release packag and centos do this with his packages, so you must install and use redhat-release package
Get rpm-build to be able to build rpm’s:
[root@centos5 ~]# yum install rpm-build
Get source rpm of redhat-release
[root@centos5 ~]# wget ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/redhat-release-5Server-5.1.0.2.src.rpm
Build package:
[root@centos5 ~]# rpmbuild –rebuild redhat-release-5Server-5.1.0.2.src.rpm
Install newly generated rpm:
[root@centos5 ~]# rpm -Uvh –force /usr/src/redhat/RPMS/i386/redhat-release-5Server-5.1.0.2.i386.rpm

How to install Fedora and Ubuntu on MacBook Pro?

I've asked this question on facebook groups "Linux" and "CentOS" but got no perfect answer. Again I'm asking the exact question here in hope of getting perfect answer...
I want to "Install" (CentOS 6.0/Fedora 15) or greater" on MacBook Pro (15", Mid 2010, core i7, 2.66 GHz). CentOS/Fedora is the only alternative to Red Hat Enterprise Linux I could come up with. Virtual installation is not my option and I can't use services like "updates" with RHEL unless I pay them.. so CentOS/Fedora is the one that I need.
Need help to install CentOS on MacBooK Pro. Also is it possible to have Ubuntu along side of CentOS?? ..

If you do not want any form of virtualization, the only other option would be wrangling with BootCamp to see if you can do a native install. From what I have read, BootCamp tries very hard to allow you to install just Windows OS, but there may be some way to do it successfully.
Suggest you visit the BootCamp forum.

Oracle BPM Composer and other Apps Too Slow

Dear Forum Members,
I made a installation of Oracle BPM/SOA Suite in a Development VM with 5GB RAM.
The web applications such as BPM Composer, EM, Weblogic Console are too slow. They take too much time to load.
I am using the JRockit JVM and Centos 6.
Regards.

Bump up your memory to 8gb and then look at your xmx setting in your startWeblogic.sh and ensure it's 3072m or more.

Installing oracle xe on centos ci environment

Hi,
I have a CI environment that run automated tests on my application every time a commit is pushed to github, the tests are run on a matrix of environments to check if the application is able to run with different databases.
I currently have tests running with sqlite, mysql and postgres and would like to add oracle to the matrix.
The application is in python, (for those curious it is here: https://github.com/treeio/treeio) so on top of the oracle xe database itself I need to install the appropriate driver (cx_oracle)
The current CI I'm using is travis (https://travis-ci.org/), the tests run in a debian (or maybe ubuntu, I'm not sure) environment, they already have mysql and postgres installed
Installing oracle xe on debian proved to be a headache, I've found https://oss.oracle.com/debian/ unstable main non-free which contains only and old 32 bits version, while this wouldn't be a problem for me it generate conflicts when I tried to install cx_oracle dependencies
In any case I've found another CI (snap-ci.com) which uses centos, I've managed to install oracle-xe from the rpm and pip install cx_oracle finally works, but when I try to run anything that uses sqlplus it fails:
echo "CREATE USER treeio IDENTIFIED BY treeio;" | sqlplus -S -L sys/admin AS SYSDBA
sqlplus: command not found
it seems it was not added to the path or maybe I should have installed yet another rpm.
Ideally I would like to run the tests with oracle DB on both services (so I can test my application runs fine on debian and centos the same) but I can settle on running it on just one of them if you tell me it is not possible
by the way, does anyone runs oracle or any of its tools on debian? they seems to provide only RPMs. do everyone that works with oracle uses read hat only?
thanks
Avraham

Hi,
The CI service have a interactive shell, I was able to further debug. I fixed the command not found problem and then it complained about permissions, but running with root gives me yet another exception.
currently my script is as below:
#set paths:
export ORACLE_VERSION="11.2"
export ORACLE_HOME="/usr/lib/oracle/$ORACLE_VERSION/client64"
export PATH=$PATH:"$ORACLE_HOME/bin"
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"$ORACLE_HOME/lib"
. /u01/app/oracle/product/11.2.0/xe/bin/oracle_env.sh
# create user
echo "CREATE USER treeio IDENTIFIED BY treeio;" | sudo sqlplus -S -L sys/admin AS SYSDBA
It gives me
Error 6 initializing SQL*Plus
SP2-0667: Message file sp1<lang>.msb not found
SP2-0750: You may need to set ORACLE_HOME to your Oracle software directory
I also noticed that I was insalling oracle xe 11.2 and client libraries 12.1, I'm not sure if that would cause problems but I'm installing libraries and clients with the same version (11.2.x)

G550 and internet connection

i have recently bought a new lenovo G550 notebook and it seems a cool notebook for me with its cheap price.
well im new with notebooks and i want to know that how i can connect my notebook into the internet .
i have an ADSL connection working with a modem/router and a dual boot operating system ,windows 7 and centos 5.
how i can configure my system for connecting into the internet???
any drivers it needed to be installed ???
thx

First, you need to configure your broadband router. WLAN security puntually.
For Windows, you need to install drivers. When the wireless card drivers are installed, Windows automatically will detect any WLAN (ADSL routers use standard options, like showing the name of the WLAN).
For other any OS, read the FAQ.
PS: Always check hardware compatibility before installing an OS.
IPnaSh
First Spanish Community Guru - Colaborador ad honorem

Differences between Arch linux and RHEL-based Distros?

Hi there!
So, I am officially trying to make the permanent switch from Windows to Linux. I've used Linux in the past, from Ubuntu, to Fedora, to Mint, and I've always liked Arch the most. Nothing beats the feeling of an OS you had a hand in setting up.
I'm wondering though, what are the differences in Arch vs distros like Red Hat, Fedora, and CentOS? I recently picked up a book called, "The Linux Bible" which provides a course-like approach to learning the intricacies of Linux. I'm wondering if it would be easily possible to adapt the lessons from that to Arch, or to use Fedora or another RHEL-based distro like it suggests.
Thanks

The biggest issue I find is with SE Linux. I don't know if this is default in RHEL itself but Fedora uses it. If I understood it properly, though, I doubt it would be such an issue!
EDIT: I think it would be best to learn one distro first, using documentation for that distro. So if you want to use the book, install something that matches the book as closely as possible. If you want to use Arch, use the wiki as your primary documentation. I say this because there is a big difference between figuring out the ways in which two distros differ when you understand the GNU/Linux basics and (I imagine) trying to do so when you are still learning those basics. I don't just mean ls, grep etc. - other systems use those - but the stuff which is common to any GNU/Linux distro. Obviously this applies even more if you also are learning stuff like ls, grep, cd etc. (which might be true if you're moving from Windows rather than, say, OS X or one of the BSDs).
Last edited by cfr (2013-10-31 23:30:15)

Firefox 3.6.7 and 3.6.8 are sluggish, slow and unresponsive.

I am experiencing slow web page loads on all web pages using 3.6.7 and 3.6.8 on Mac, Windows and Linux Ubuntu and CentOS. Numerous websites recommend turning on network pipelining, upping the max requests, and disabling IPv6 dns, using the about:config command. That solved my problem, but beyond voiding my warranty ;^(, it also makes some ipv6 web content inaccessible. On a fresh Firefox install I am encountering wait times of thirty to one hundred seconds per page load, totally unacceptable in my workplace. At home, page loads are between fifteen and thirty seconds, and I am running dual core processors. The support community seems convinced that this is an IPv6 issue, so maybe there is a bug in that area. I don't want to think that IPv6 is going to slow the internet to a crawl.
Anyway the recommended solution that worked cross-platform is to disable IPv6 using about:config, set "network.dns.disableIPv6" to "true."

I've been having the same issue for many weeks. Intermittent freezes where the mouse cursor locks for up to 10 seconds at a time. Random 5-10 second pauses between opening adjacent tabs and just plain intermittent sluggish response. The frequency of slothfulness "appears" to be increasing with time. Either that or my patience is decreasing. I'm using the same box (Intel P4 2.8GHZ/3GB ram) I've had since installing version 6.xx of Ubuntu. Firefox was always been speedy until Ubuntu 10.04. No problems with Opera or Epiphany. Obviously they have nowhere near the feature set of FF so using them is a downgrade in convenience. However the FF performance has degraded sufficiently to where I'm finding myself using Opera more often than not. I've tried all the conventional fixes including the reportedly 'tried and true' '''disable IPv6 using about:config, set network.dns.disableIPv6" to "true."'' method to no avail.
Let's hope a rev is soon released addressing the problem or one of the other browsers begins to offer the same nifty add-ons as FF (fat chance).

AL & Glassfish Production system on CentOS?

I'm seeking opinions and REAL EXPERIENCE from anyone running the apex listener with glassfish on the CentOS linux OS. I realize Oracle does not officially support CentOS (at least it isn't listed as an OS option on the glassfish site nor My Oracle Support). However, knowing the relationship kernel-wise between RH and CentOS and the principles of the JRE, it isn't such a black and white decision for us. I see many developers configuring a sandbox with XE, AL & GF on CentOS but if you have experienced success or issues with this environment (AL 2, GF 3 & CentOS 5 or 6).
I offer much appreciation in advance for sharing your experiences. Thanks!

TTT

Cfthread of coldfusion on different systems-windows and RedHat

Recently I use cfthread writing a multithread samples. Each thread ask a http request.When I run this cfc file with coldfusion9 on windows, it runs well. Then I run the same cfc file on coldfusion9 on linux(RedHat and centOS), unfortunately, it seems do not work, I found the multi thread do not run parallely, they run one by one. The both coldfusion configuration files are same, and the web server use the built-in one of coldfusion. Is there anyone meet the same probelm? And is there something wrong with cfthread to run on linux? Really need your help. Many thanks!

<cfloop index="pageIndex" from="1" to="#num#" step="1">
                        <cfthread name="thr#pageIndex#" threadIndex="#pageIndex#" action="run">
                                        <cftry>
                                            <cfhttp url="#watson_url#" method="post" charset="utf-8" timeout="26000000" useragent="#CGI.http_user_agent#" result="THREAD.GETTREAD">
                                       <cfhttpparam type="formfield" name="appGUID" value="#guid#">
                                       <cfhttpparam type="formfield" name="userId" value="#user_id#">
                                       <cfhttpparam type="formfield" name="password" value="#user_pass#">
                                       <cfhttpparam type="formfield" name="sql" value="#TempArr[threadIndex]#">
                                          </cfhttp>
                                          <cfset result_Arr = #DeserializeJSON(THREAD.GETTREAD.Filecontent)#>
                                          <cfset resultArr[threadIndex]=result_Arr >
                                          <cfcatch type="any">
                                  </cfcatch>
                                    </cftry>
                       </cfthread>
     </cfloop>
TempArr is an array for sql,each thread run a sql and get result from http request.

0S-X 10.8.2 And CentOS

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