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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Warning: DocumentRoot * does not exist on Centos 6

My virtual hosts lines: <VirtualHost *:80> ServerAdmin webmaster@dummy-host.example.com DocumentRoot /www/docs/example.com ServerName example.com ErrorLog ...
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3answers
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semanage command not changing file context

I am trying to change selinux context for upload directory to enable anonymous upload. This is the Directory path /var/ftp/upload This is the default context [root@server ftp]# ls -Z upload ...
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iptables rules for nfs

I was getting below error while typing showmount -e 192.168.56.2 in client machine [root@client ~]# showmount -e 192.168.56.2 clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No ...
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2answers
809 views

Can I run Centos 6 on my old xp computer?

First off, the computer specs: Pentium 4 2.4 GHz 512 MB RAM Asus Broadcom 440 network adapter x86 based PC You may need more information, I don't know. I would like to erase Windows XP and put a ...
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2k views

Why my local website display Apache2 Test Page

I've installed httpd, mysql and php on my CentOS 6.4 server. I've setup Virtual host 80 and 443 for trien.abc My client (windows 7) still displays Apache2 test page. Where did I go wrong? My Apache ...
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188 views

how to edit initrd.img to add a autostart application at boot in a live CentOS image

I want to be able to open an application every time a live Centos image boot. I already have extracted the contents of initrd.img file, and analyse the init file, but with no success. I know that i ...
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550 views

Problems installing FlowTools CentOS 6

I'm struggling to install flow-tools on Centos. When I try with RPM I get: warning: flow-tools-0.68.5-1.el6.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID e9bc4ae1 error: Failed dependencies: ...
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3k views

while installing a patch I am getting this error: 1 out of 1 hunk FAILED --

We are configuring lighttpd in centOS 6.4. To enable kerberos authentication, we are trying to install this patch. Saving rejects to file /usr/local/sbin/lighttpd.rej patching file ...
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1answer
2k views

What does “Sense Key : Recovered Error” mean?

When powering up a external USB 2TB drive on CentOS 6.4 and I am seeing these messages in the dmesg output: kjournald starting. Commit interval 5 seconds EXT3-fs (sde1): using internal journal ...
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1answer
162 views

How to send an alert when a user logs in via .htaccess?

We have vendors working remotely on our server and would like to know when they are accessing the development. It is accessible behind a username/password provided by .htaccess. How could I detect ...
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294 views

Need help installing Imagemagick on Centos 6.4

Helo guys. I am trying to install Imagemagick on centos 6.4 server using this tutorial http://www.tecmint.com/install-imagemagick-in-linux/ The problem I had to face is that when I run peck install ...
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CentOS 6.4 and alternate SSH port not working

I've got a CentOS 6.4 machine and would like to change the default SSH port, and followed these instructions: CentOS Wiki After making those changes (including the "semanage port -a -t ssh_port_t -p ...
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1answer
267 views

How to install gzopen library on CentOS 6.4?

I'm compiling a program using gzopen library. How can I install this library in CentOS 6.4? I have tried to install it with yum but package not found! No package gzopen available!
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228 views

How to hide a directory and its contents on Centos

A quick Google search did not clear up my issue. I need to hide a directory on Centos 6. I want to do that because I'm running the command tree to print the tree directory structure, but I don't want ...
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1answer
3k views

packages excluded due to repository priority protections

I am not able to update my PHP in centos 6. I have centos base, epel and rpmforge repos. yum update php Error: Package: php-tidy-5.3.3-14.el6_3.x86_64 (@updates) Requires: php-common = ...
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717 views

Why I can't upgrade to vim 6.3 or above using yum on CentOS 6.0

I'm trying to upgrade to vim 6.3 so I can improve my vim skills using an online vim book (http://learnvimscriptthehardway.stevelosh.com/chapters/00.html). I'm trying to update my vim package (which is ...
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71 views

centos 6.0 : how to print to a Xerox laser printer

I use a centos 6.0. How can I print to the Xerox printer from my applications -- like LibreOffice, emacs, eclipse, chrome, etc ?
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160 views

installing node on centos 6.0

while googling on how to install node on my centos box, I found this link : https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager. This page suggests that I do the following. ...
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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
98 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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10k 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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424 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 ...
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2answers
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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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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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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 ...
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1answer
135 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
28k 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
507 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 ...
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1k 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 ...
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542 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 ...
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1answer
340 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
356 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 ...
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1answer
191 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 ...
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1answer
204 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
903 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 ...
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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 ...
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1answer
58 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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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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419 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
4k 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
304 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
6k 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? ...
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408 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 ...
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1answer
497 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
87 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
466 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 ...
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2answers
4k 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, ...
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2answers
2k 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, ...
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2answers
2k 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
340 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: ...