CentOS is a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL). The "CentOS6" tag refers to versions 6.x of CentOS.

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How to build a driver disk for an anaconda install (CentOS 6)

I need to make a driver disk for anaconda. This disk would contain an updated module for the network card of a somewhat recent laptop and the goal is to get a network install of CentOS 6.2 working. I ...
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How to restrict user to a particular folder in CentOS 6?

I will need to create users so developers can log in and clone/pull/push changes/repositories from a github like platform. I've managed to add a user (using the root) to this CentOS machine; I now ...
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Both bashrc and bash_profile won't seemingly source? VirtualMin Clean install

I am not too familiar with this level of management on a nix server however I am unable to get either the bashrc or bash_profile to source at login. Details about the server: Centos 6.0 - Basic GUI ...
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CentOS /usr/local/lib system wide $LD_LIBRARY_PATH?

I install custom software in /usr/local/lib. How do I set the PATH and LD_LIBRARY_PATH in CentOS 6 system-wide to use /usr/local/lib. I realize there may be more than one way. What's the simplest and ...
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Installing GeoIP on CentOS

On CentOS 6 I cannot install GeoIP even though many websites describe installing GeoIP with the following commands: yum install GeoIP GeoIP-devel GeoIP-data I get No package GeoIP available.
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CentOS 6 Squid Proxy error

I am trying to install a Squid anonymous proxy on my home computer for a quick presentation tomorrow. When I try to connect to it using Google Chrome, I get the following error code: Error 130 ...
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How to open a port in Centos 6

I'm a newbie at Centos. I need to open a few ports in Centos. I've googled it a little bit, and found something like this. -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 143 -j ...
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OpenVZ Can't initialize containers after install

I have installed OpenVZ on centos 6 on a dedicated server. I followed quick installation guide on openvz wiki. After installing thru yum, I don't know why, but grub.conf wasn't automatically updated ...
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Configuring Static IPs on CentOS 6.2

I am a complete Linux newbie, but we have quite a few spare Dedicated Machines available right now, so I decided to setup CentOS 6.2 on one of them and start getting more familiar with it. Obviously ...
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Should email system be virtualized?

I have been running an email system for an academic department for ages that consists of postfix, procmail, dovecot, clamav, spamassassin, MailScanner, ldap, maildir, xfs, lvm, CentOS. Number of users ...
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How do I change permissions and ownership after git-pull, to match folder?

The company I work for is using Git for deployment and because of this it overwrites specific permissions and ownerships. What is the best way to make sure that the folder ownerships and permissions ...
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How to check CentOS 6 Server VM Host after a power falure?

This afternoon, someone at our office decided to pull the plug out of our server because it was storming outside. They didn't shut it down, they just pulled the plug out while it was running. The ...
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ls hangs for a certain directory

There is a particular directory (/var/www), that when I run ls (with or without some options), the command hangs and never completes. There is only about 10-15 files and directories in /var/www. ...
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Allowing directory view/traversal for a specific VirtualHost in Apache 2.2

I have the following vhost configured: <VirtualHost *:80> DocumentRoot /var/www/myvhost ServerName myv.host.com ServerAlias myv.host.com ErrorLog logs/myvhost-error_log ...
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Installing hamachi v1 on centos 6 64 bits

I'm running into some issues trying to install hamachi v1 on a centos 6 64 bits server. I know that version is pretty old, but I need it to connect to a windows server which I don't have control on ...
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Apache server cannot restart

I've been trying to get my server up and running for a while now. I recently set up a centOS 6 server and I'm having issues with the Apache server. I had a domain up and running, everything worked ...
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CentOS6 - Display resolution

I used the Display menu to change my resolution settings. Now I chose a setting too small by accident, but I can't revert because the screen is so small I can't click the append button to enlarge it. ...
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Apache 2.4 Package

Does anyone know where I can get a apache 2.4 package for centos 5/6? When i run yum upgrade httpd it returns with version: 2.2.3-53.el5.centos I have these repo lists installed: base ...
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Rpm repo for java on centos 6

Is there any other repo from jpackage available for centos 6? I don't like to build tomcat, maven from sources. many thanks.
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“No package pv available.” on CentOS 6.2 Minimal

I'm trying to install Pipe Viewer on a CentOS 6.2 minimal system. When I run: yum install pv I get: * base: mirror.thelinuxfix.com * extras: mirror.atlanticmetro.net * updates: ftp.usf.edu No ...
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How can I change the console resolution on a CentOS 6.2 server?

How can I change the console resolution on a CentOS 6.2 server?
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(113) No route to host on CentOS 6.2 (64bits)

Maybe this is a silly question but since I'm not a sysadmin I could not find a solution for this problem: I made a clean installation of CentOS 6.2 (64bits) and I didn't change any configuration ...
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OOM killer killing things with plenty(?) of free RAM

The OOM killer seems to be killing things despite having more than enough free RAM on my system: (Full resolution) (Full resolution) 27 minutes and 408 processes later, the system started ...
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517 views

DNS setup with BIND

I've recently made a server (it's a VPS hosted on a2hosting) by following these instructions: http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3 All is working well, except for ...
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How can I change a partition mount to var and still boot up?

My first question here on server fault. In my haste, I set up a local server with Centos 6.2 and let the Centos installer handle the partitions. Big mistake, I know. Anyway, the only problem I have ...
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installing dkms fails to work

I would like to install dkms to install the VBGuessAdditions but yum install dkms always results in an error loaded pluggins: fastestmirror, refresh-packagekit, security Loading mirror ...
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Problems with mysql-libs *after* installing MariaDB

I have installed MariaDB 5.3.3 on a Centos 6 server. In order to do that, I had to issue this command before installing the MariaDB-server rpm: rpm -e --nodeps mysql-libs And now mariadb and all ...
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CentOS6 - Apache2 working but when installing / enabling SSL, server won't start because of permissions error

I'm attempting to install Apache with SSL on CentOS6 to use as a development server. I've been following the directions posted here to get SSL working: http://wiki.centos.org/HowTos/Https (Note: ...
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inotifywait not reacting

I have a very simple script to log when new files are created, in fact, for test purposes I told it to watch for any event. #!/bin/sh ...
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Interpreting cryptic kernel “page allocation failure” messages

I have a multi-user CentOS 6.1 database system running an application named ABC. The server is 64-bit, 8GB RAM and 6 vCPU (on VMWare ESXi 4). We get frequent dumps into the dmesg and the system logs ...
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How to integrate Ngin-x with APC and php

I'm running a PHP script on a Nginx server. I've installed APC but I'm not sure whether it's working with Nginx or not My server is CentOS with cPanel. I have full control and root access. What ...
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centos6 apache2 Invalid Command SSLEngine

Running: CentOS6 x64 When I restart httpd, I get the following error. What am I missing? [root@localhost ~]# service httpd restart Stopping httpd: [ OK ...
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error: internal error process exited while connecting to monitor: Supported machines are:

I'm moving Ubuntu Server guest machines from an Ubuntu Server Host to a CentOS 6 Host machine. My intent is to keep the guests as Ubuntu Servers and just change the OS of the Host. I've moved the ...
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Running ipmitool as a non-root user

I want to monitor some hardware-related data on a headless CentOS6 server. More specifically, things like voltages, fan speeds, thermal data... Since the server is headless, the best way I found to ...
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Modify XFS filesystem creation parameters during kickstart installation

I'm streamlining the kickstart process for a series of EL6.2 (RHEL, CentOS, SL, etc.) systems. I'd prefer to use XFS over ext4 for the growth/data partition. However, I'd like some control over the ...
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libapache2-mod-auth-pgsql and ssl-cert equivalent in CentOS

I switched this a time ago from Ubuntu to CentOS. Now, I faced this problem: Trying to install a software that I installed before in Ubuntu, I stopped at the point where I need to install the above ...
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What is the need of 2 dvd images in centos 6.2? [closed]

I have downloaded centos 6.2 via torrent.Then i got 2 dvd images.Then what is the use os second image. How to use it?
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Dovecot, maildir on Windows 2008r2 NFS share

I'm really banging my head on this one. I have a CentOS 6.1 running postfix/dovecot accessing a Windows 2008R2sp1 NFS share. In a test where the Windows server is a stand-alone file server, I can ...
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692 views

How to add a extention to the php.ini file

Hi have Centos 6 installed and busy installing wkhtmltopdf, I only have one step left and that is to include extension=phpwkhtmltox.so to the php.ini file, I added it to /etc/php.ini and reloaded ...
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how to change screen resolution in rhel/centos 6?

I have cent os 6 dvd installed on my computer.my monitor resolution is 1920 X 1080. i cannot increase screen resolution to 1920 X 1080. system->preference->Display can give maximum resolution as 1280 ...
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How can I make a CentOS 6 AWS AMI from a loopback?

I am able to make a Centos 5.x AMI by following steps similar to those outlined here: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/creating-loopback-s3-linux.html and detailed here: ...
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MySQL ERROR 2026 (HY000): SSL connection error

I have enabled SSL on MySQL 5.1.52 on CentOS 6.0 using the following guide: http://www.madirish.net/node/244 I have followed the instructions correctly but I am running into the following error when ...
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Permissions somehow block access to files in CentOS 6

A friend of mine hosts some of the websites he has built for his clients. Somehow he messed up the permissions giving all clients' websites a 403 error upon loading. When I ssh to his server and log ...
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Postfix issue with relay access denied - I HAVE READ ALL similar cases and tried almost everything

this is first time I set up a server from scratch and I consider myself a fast and good learner for new stuff, so I did my best to setup postfix with dovecot in CENTOS 6, so I'm getting relay access ...
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Add Httpd service by linking to source install apache2

As title says, i need to add a service httpd to get the php and apache2 talking to one another it seems (by line in httpd.conf: AddType application/x-httpd-php .php) I uninstalled the default httpd ...
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Reloading a kernel “live” in CentOS / RHEL 6

When upgrading the kernel package on CentOS or RHEL 6, is it possible to load the new kernel without rebooting? My gut tells me it's not, but if it were, it'd be handy - especially when compiling ...
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Why is dhclient issuing a unicast DHCPREQUEST every ~15 seconds instead of at T1/T2 timers?

I am running a CentOS 6.2 server as my gateway and firewall, while also providing some internal services. This is a setup I have had for years using various hardware and distributions (redhat based). ...
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Virtualbox centos no eth0

just installed a fresh centos-minimal and i can not get bridged network to work or any of the networks not even in host-only mode. when you run ifconfig there is no eth0 only a lo, also when you cat ...
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CentOS 6: Can not start NFS

I am unable to start the NFS service. When starting there is no error. But the services are stopt after it. No messages at all in /var/log/messages. Same happens to rpcbind serivce. Any idea what this ...
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CentOS 6 Minimal or Hardened Install

I am working on building some new CentOs 6 servers and creating documentation for the installation of said servers. I would like to create a base CentOS 6 server install that would be light on the ...