CentOS is an abbreviation for Community Enterprise Operating System that aims to be compatible with its upstream source, Red Hat Enterprise Linux. CentOS 6 is the 6th major version of CentOS, which was released on July 10th, 2011.

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upgrading google chrome on centos 6.0 using yum not working

I tried upgrading my chrome 26.x by going to the "about google chrome" page -- but unlike my windows chrome, the linux chrome(centos 6.0) v 26.x did not offer to upgrade to the latest version. I ...
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2answers
75 views

Troubleshot erronous BIND9 DNS Address entry

I setup a BIND9 DNS server in the LAN as a backend to Samba4 service. The network address of my LAN is 192.168.2.0/24 and I statically specify the IP address of DNS server as 192.168.2.144. ...
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0answers
33 views

Risk factor involving rebuild using mock on centos 6.4?

Currently I have rebuild ossec on centos 6.4 using mock and install it. Will this have any effect on the stability of the os and also with regards to any other updates on the system? Any chance to ...
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0answers
25 views

Madm scan less uuid's than drives

I have a raid6 array with 5 disks(was started with 4 and then added on on-the fly - without rebooting). I have noticed something a bit strange when i was preparing to add a new drive : mdadm ...
2
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4answers
3k views

How to know which fonts are installed on CentOS?

Question-1: Is there a way to know what all fonts are installed on the CentOS 6.2 through command-line? I have checked the fonts with the following command ls /usr/share/fonts/default/ghostscript/ ...
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1answer
364 views

OpenVpn and SSH tunneling

first of all I'm a linux newbie and just rent my vps few days ago. I'm using this vps for ssh tunneling and web server (apache, php, etc). Today I want to install openvpn but I'm bit confused that if ...
6
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2answers
21k views

Upgrading PHP 5.3.3 to 5.4.4 in CentOS 6.4

I'm using CentOS 6.4 (centos-release-6-4.el6.centos.10.x86_64). I'm trying to upgrade the php version from 5.3.3 to 5.4.4 by using: yum upgrade php-mysql php-devel php-gd php-pecl-memcache php-pspell ...
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0answers
170 views

Moved /lib64 to /backup_lib64 using sudo, now sudo doesn't work on CentOS6.4

I did sudo mv /lib64 /backup_lib64 to test some compilation. Now sudo doesn't work at all farhat@heracles:~/software/sudo-1.8.7$ sudo ls sudo: unable to dlopen /usr/libexec/sudoers.so: (null) ...
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1answer
846 views

How to run something in background in Centos

I use CentOS and I have a little bit of difficulty with background tasks When something like updatedb command is running, I press CTRL+Z, instead of running in the background it immediately says ...
3
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1answer
110 views

Is it possible to have 2 GUI desktop sessions for 2 different users (of same machine)?

I need to set-up the dev-environment to be able to debug the backend of an application in Eclipse. There is a front-end (runnable under user1) and a back-end (runnable under user2). Each user has its ...
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3answers
13k views

Installed minimal CentOS 6.4 in VirtualBox but have no internet?

I just started using the VirtualBox, but I don't seem to have any internet on the CentOS when I type yum update. Is there a solution to my problem? (it could possibly be a problem with misconfigured ...
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1answer
322 views

library for html to rtf conversion [closed]

I am much needed the linux library for converting html document to rtf. As currently, I have used CMS kind of functionality where html is stored in database. I need to convert it in rtf. If any ...
0
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0answers
813 views

Synaptics click Pad for linux

I bought a Sony Laptop which has Windows 8 pre installed. I installed CentOS besides it, but my click pad doesn't work properly - the right-click and multi-touch are disabled. I wonder if there is ...
3
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1answer
260 views

Wicd set up on centos

I am having difficulties with wicd on start up on CentOS 6. When it starts up it complains that it cannot connect to the DBus and that the daemon has shut down. When I check the log file there is ...
1
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1answer
260 views

On Centos 6.3, why do several swap measuring methods return different results?

I have a production system running centos 6.3 with 96 Gb RAM and swap of 2 Gb. The intention is that there is enough RAM on the box so that no processes should get swapped. Over the last week or so ...
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2answers
255 views

Linux: Should off-site backups be stored in ext3 or ext4?

We have been using ext3 for Linux server off-site backups. With everything else on CentOS 6 being ext4, I'm wondering if it would be a better idea to also have the off-site backups in ext4 too? The ...
0
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1answer
150 views

Difference between `/var/lib/pgsql/9.1/data/pg_hba.conf` and `/var/lib/pgsql/pg_hba.conf`

From http://www.postgresql.org/docs/current/static/auth-pg-hba-conf.html, it says: A default pg_hba.conf file is installed when the data directory is initialized by initdb. I would assume when ...
2
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1answer
85 views

how to run as a nobody account?

I'm currently using CentOS 6 on a VPS (openVZ). I just created a user stunnel_user and group stunnel_grp to run stunnel on some nobody:nogroup. I changed the shell of the stunnel_user to ...
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2answers
565 views

Why is SSH permission denied unless sshd is in debug mode

I have problems ssh to my own box (both remotely or locally) with the message Permission denied, please try again. Then I stop the sshd service with /etc/init.d/sshd stop and start sshd in ...
1
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0answers
18 views

email does not deliver body when I use < 'file'

Moving from centos 5 to 6.4. I have many scripts that use mail with < 'file' at the end to email various reports to users rather than use -a BUT when I use that syntax with the mail installed on ...
0
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1answer
55 views

Can I create a user without specifying a login name

Can I create a user without specifying a login name, and let GID used for it's login name? I read the man useradd(8), but this command seems to require a login name be set. Any GUI way or script ...
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1answer
564 views

CentOS 6.3: yum install ImageMagick, identify and convert don't work

I ran "yum install ImageMagick" on our CentOS 6.3 server, which worked fine, but identify -version and convert don't work (-bash: /usr/local/bin/identify: No such file or directory). I originally ...
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0answers
271 views

Is my CentOS library multiarch? And what does that mean?

On CentOS release 6.4, I am trying to run a binary. However, it gives the following complaint: (...) requires "/lib/libuuid.so.1" to function. From a quick search, I can see that the only similar ...
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2answers
2k views

How to mount nfs using automounter(autofs)

I have an nfs at 192.168.1.10:/home/vm1/Desktop/nfs and will like to mount locally to /home/vm1/Desktop/nfs-mount using automounter...need help doing do What i did $cat /etc/auto.master /home ...
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1answer
178 views

Installation of CentOS on external Hard Disk

I installed CentOS on an external hard disk and it works correctly with one of my computers. However, when I boot CentOS from the external disk on my other computer, it throws an error: kernel panic - ...
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2answers
5k views

Does CentOS 6.4 Support UEFI and SECURE BOOT Fully?

Does Minimal Edition of CentOS 6.4 support UEFI & SECURE BOOT fully? I want to install it besides Windows 8. Now does it install normally or does it not support UEFI & SECURE BOOT fully yet? ...
1
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1answer
280 views

Files with write permission for all in /proc directory on CentOS 6.4

While searching for files writable by others, I'm coming across many files available in subdirectories of /proc. I'm not much aware of the usage of these files, but curious to know whether if someone ...
0
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1answer
221 views

legacy grub: updated menu.lst is not used

This is a CentOS 6.4 with all updates inside Virtualbox OSE (quite old version). All information below refers to the VM, I don't think there is any issue on the host. /boot is a separate ext2 fs on ...
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1answer
71 views

Linux find always returns 1 record

Why command find -cmin +20 in Linux CentOS always returns 1 record which is .? How can I work around this?
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1answer
282 views

Gitorious can not connect to Active Directory (authentication.yml)

I have set up Gitorious. With the local database, everything worked fine. All my log and configurationfiles are included. The problem is when I want to visit gitorious.localdomain when I have ...
2
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2answers
3k views

Cinnamon for CentOS?

I was trying to install Cinnamon from Source code in a CentOS v.6.4. Unfortunately, I was stumbling upon dependencies that were becoming weird each and every time. Some of them, I tried to build, ...
1
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2answers
932 views

CentOS freezes during startup in VirtualBox

This is an installation of CentOS 6.3 in VirtualBox 4.2. I was able to install with no problems and have booted it up about 3-4 times previously and used it without any issues. Now, when I start it, ...
2
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2answers
895 views

cpufreq performance module?

I see no cpufreq performance module: $ ll /lib/modules/2.6.32-358.2.1.el6.x86_64/kernel/drivers/cpufreq/ total 88<br/> -rwxr--r--. 1 root root 20576 Mar 12 18:26 cpufreq_conservative.ko ...
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1answer
251 views

Which Package has net_tstamp.h?

I attempted to compile the source code here: http://os1a.cs.columbia.edu/lxr/source/Documentation/networking/timestamping/timestamping.c?a=x86;v=2.6.32 However, I got a compiler error: error: ...
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2answers
282 views

Trouble with SSH

I am having trouble using ssh. I seem to be able to ssh out of the machine, but I can not locally ssh to the machine, nor can i ssh from a remote machine. I have checked the /etc/ssh/ssh_config and ...
0
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1answer
17 views

Configured mailman but can't browse to index page from a different machine

Hi, I configured mail man on a server and it says got to page http://server1/mailman/ It works locally on the server; but can access that page from a different machine; it fails; -> I am using ...
2
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1answer
106 views

Is LAMP needed in Centos 6.3

I am planning to install OpenVZ on Centos 6.3 and create containers using OS templates.I understand OpenVZ creates Virtual Private Servers.So is there a need to install LAMP in the host distro before ...
0
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1answer
349 views

Setup SSHd on port 522 on CentOS 6.3 (x64)

I currently run a server with SSH on a non-standard port for security reasons. That was 522 on CentOS 5, but CentOS 6 doesn't (easily) allow SSH to run on any port below 1024, other than 22 ...
0
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1answer
242 views

how to fix when deleted folder /var/lib/* centos 6

unfortunately, I deleted folder /var/lib/* in centos 6 how to recovery folder /var/lib/* in centos 6 Plz help me
1
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1answer
281 views

VNC Server on Centos 6

I'm having a problems with my VNC server on my linux VPS: I want to connect but when I connect I get a black screen instead of the gnome desktop (I did install this). This is the log file I get: Xvnc ...
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0answers
285 views

What could be the reason behind this kernel panic

My laptop boots from the Fedora,Ubuntu live cd normally.But with Centos live cd there seems to be a problem as it displays the below lines. slab error in kmem_cache_destroy():cache ...
1
vote
1answer
3k views

BIND named… unknown host

I have a very basic home network: A CentOS 6.3 server (storage, DNS, httpd, etc), a desktop, several laptops. I was running an old version of CentOS on the server for a long time (5.4 or something) ...
0
votes
1answer
65 views

rpm-spec and Home's user folder

I'm just trying to figure out how to know in an rpm package that calls sudo, and put some files in the non-root home folder for the users who call sudo or are root. I tried with something like this: ...
1
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1answer
1k views

Installing PHP 5.4 on CentOS 6

I want to update my CentOS 6 PHP version from 5.3 to 5.4 so I tried this guide: http://www.webtatic.com/packages/php54/ But after running yum install php54w I get this: Setting up Install Process No ...
0
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2answers
2k views

YUM Update error

I got a virtual machine with CentOS 6 on it. I've tried to run yum update, but I got this error: http://mirror.centos.org/centos/6/addons/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The ...
0
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1answer
816 views

CentOS 6 sshd: Logging in works, but still claims “access denied”

I have just installed a plain CentOS 6.3 system. I enabled sshd, and try to connect with Putty. This works, but here is what I get: login as: user Access denied user@192.168.1.7's password: Last ...
1
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1answer
524 views

Terminal menu bar hidden

I unchecked the menu bar option in the View of the terminal on CentOS. Now this terminal menu bar is hidden. Is there a way to get it back?
0
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0answers
221 views

Unable to boot Centos 6.3 from live CD

This seems a strange question to ask. The the same cd boots perfectly on one PC but gives the message- slab error in kmem_cache_destroy():cache 'Acpi-Operate':can't free all objects slab error in ...
0
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2answers
487 views

How to install centos inside virtual box using iso image

I am using oracle virtual box manager I created the virtual hard disk In Setting -> System -> Boot order selected CD/DVD-ROM has the first priority And in storage I did this changes while ...
2
votes
1answer
472 views

grub-install gives an error message I don't understand

I'm new to Linux, am using CentOS 6.3, and am attempting to install CentOS 5.8 ISO to a pen drive following instructions from here. My pen drive is /dev/sda and partition 1 is vfat. It's mounted on ...