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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Can't ping website but can browse it

I have server with CentOS 6.2 installed. The problem is that i can browse the website on it, but i can't ping it. What can cause this?
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Installing lighttpd on CentOS 6.3 yum 404 errors

I have a CentOS 6.3 x86_64 server and I am trying to install lighttpd. I have installed the EPEL repo on the server using the following: rpm -Uvh ...
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CentOS Install - Starting a Kickstart

I have a kickstart file hosted. Let's say it is hosted at http://example.com/ks/ks.cfg I booted the CentOS 6.2 media and hit tab. Before editing anything this shows: vmlinuz initrd=initrd.img I ...
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422 views

BIND Name Servers aren't returning my site

I don't know much about BIND but I'm learning and my friend helped me setup my own name servers. He did this before and it worked for him so I think he forget a step and that explains why this isn't ...
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1answer
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OpenVPN not Routing correctly on CentOS 6

I am trying to set up OpenVPN 2.2.1 on my CentOS 6.2 VPS. This is my first time setting up, and everything went smoothly. The service is running, and the client is able to connect. My intention is to ...
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What is the correct way of getting crontab on CentOS 6?

I have a server running CentOS 6.2 minimal, but it doesn't appear to have crontab installed by default? crontab -e -bash: crontab: command not found In searching google, I found references to a ...
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Modifying partitions in CentOS 6

Ladies & Gentlemen, I'm currently running CentOS6 6 with 300 GB of storage space. Currently, /dev/sda looks like this (via parted): Number Start End Size Type File system Flags 1 ...
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install MySQL Server 5.0 on CentOS 6.3

How can I install MySQL version 5.0.x to CentOS 6.3. The MySQL in CentOS 6.3 is version 5.1. The MySQL 5.0.x is required to run a slave database of a master database server running MySQL 5.0.x
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502 views

Centos/RHEL 6: 32bit PHP package on 64bit architecture

How can I install the i686 php package on an x86_64 architecture?
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1answer
329 views

Apache user_dir module failed

I'm trying to setup user_dir module in my DEVSERVER but gets a 404 Not found error any time I try to reach any URL like for example: http://devserver/~reynierpm/ My userdir.conf file is as follow: ...
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1answer
657 views

log4cxx for CentOS 6

I'm new to CentOS (regular Ubuntu user, but used Slackware and Gentoo a long time ago), and I'm trying to create a package for some software that depends on log4cxx. Unfortunately, there isn't a ...
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Does my Centos server leak memory?

I'm getting some conflicting information regarding the memory use of a virtualized server. The most alarming information is this: Note that the server has only 4GB of RAM allocated, even though ...
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SVN Checkout error on large repositories

I wonder if anyone can help me. We have recently migrated our Subversion repository from a VisualSVN Server on Windows to a subversion server on CentOS. The migration was succesfull however we are ...
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1answer
5k views

PAM unable to dlopen(/lib64/security/pam_fprintd.so) causing CentOS/Redhat server to crash

CentOS 6, Parallels PLESK 10.4, Apache One of my servers went down over the weekend much to my dismay. On the day and time it occurred, my log errors/messages end with this - /var/log/secure: Jul ...
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1answer
352 views

CentOS 6 vps configuration [closed]

I have a vps server with CentOS 6, I want to know how can I configure it and prepare it to add my domain and add my files. the problem is that I'm a beginner to Linux, and I want the right way to ...
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1answer
1k views

Circular Directory Error and smaller than usual hard drives

The OS is CentOS 6 with Parallels Plesk Panel 10 (64-bit). Our df -h looks like this: Filesystem Size Used Avail Use% Mounted on /dev/sda1 4.0G 822M 3.2G 21% / ...
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663 views

yum command not loading packages from custom .repo file on CentOS 6

I added a this .repo file in /etc/yum.repos.d/ on CentOS 6. Then when I try to install package from this repo I do not see the mirrors loaded from this repo. Output of yum repolist is Loaded ...
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3answers
522 views

Nagios Hardening

I've been trying to look into hardening Nagios (if there is such a thing...), but haven't found anything too definitive on what to do or guidance on what to even look at. I'm wary to keep Nagios ...
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791 views

Which repo is rsnapshot in on CentOS 6?

I have enabled the epel and remi repositories, but: yum install rsnapshot produces No package rsnapshot available. rsnapshot was in EPEL on prior versions... was it removed?
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1answer
614 views

Issues with VMWare 2.0.2 installation on CentOS 6.3

I have an i7 machine (server) and on which I am running CentOS 6.3. I am trying to install VMWare 2.0.2.0 and I am having problems in identifying the headers for C Compilers when doing the ...
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3answers
2k views

How to disable barriers?

It seems impossible to disable barriers. I have tried loading the kernel with "mount -o barrier=off", "mount -o barrier=0", "barrier=off" and "barrier=0". The kernel is Atomic Secure Linux 2.6.32 with ...
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1answer
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What is the best place to put umask setting for php-fpm in Centos 6?

For the following two places of php-fpm init configuration on Centos 6, which one do you think is the most suitable to put in, for example, umask = 077 ? /etc/init.d/php-fpm OR ...
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1answer
908 views

How do I keep a bridge enabled on a bonded interface?

I'm working on setting up a pair of CentOS 6.3 servers that will run a couple of KVM vms and have come across a problem setting up a bridge on a bond. I am using Mode 4 (802.3ad) bonding on a pair ...
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1answer
2k views

Connecting to host using avahi gives error: Name or service not known

I'm creating and destroying virtual machines all the time, in order to test various services or applications, and so I'd like to use avahi to connect to them by their names so I don't have to use ...
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Centos 6, Plesk 11, EPEL 6 install problems

I'm having a real headache configuring a new server. It's a 64bit Linux box with Centos 6 and Plesk 11. This will be a Magento server, so I need mcrypt installed, which isn't available by default. ...
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4answers
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shell script - create a mysql database

I am trying to crate a shell script that would: connect to a remote server that has MYSQL running On success run "CREATE DATABASE foo;" So far I tried: #!/bin/bash mysql -h 111.11.11.11 -u root ...
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2answers
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Centos 6 unexpected inconsistency within 100% disk

I have a runing centos 6, which suddenly fail due to hd full... which cause us sever problems since several days. when i do: df -h S.ficheros Size Used Avail Use% Montado en rootfs ...
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1answer
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CentOS 6 with webmin and virtualmin - cant get POP / SMTP working?

I've set up Webmin and Virtualmin on a CentOS 6 dedicated server. Postifx / Dovecot config is untouched by me, and I havent tried to open or close any ports manually. My problem is that after ...
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2answers
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How to make working TFTP server on CentOS 6.2

I'm trying to setup TFTP server on CentOS 6.2. The /etc/xinet.d/tftp configuration file is the following: service tftp { disable = no socket_type = dgram protocol = udp ...
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2answers
387 views

Apache IP based hosting solution shows apache test page and not the website

I am trying to setup my virtual server to host websites based on IP. Currently I am trying to only setup 1 website and using only 1 IP. /etc/httpd/conf.d/example.com.conf file contents: Listen 80 ...
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1answer
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Libvirt: Can't shutdown or reboot virtual guest

I can't reboot or shutdown the guest vm from the host machine virsh -c qemu:///system reboot vm1 Domain vm1 is being rebooted After executing this, nothing happens. The guest vm keeps working. ...
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803 views

Replace GIJ with Oracle Java

I'm trying to run Google's Closure Compiler on my server (CentOS 6). I installed it, but only got errors when I tried to run it. java.lang.NoSuchMethodError: method java.util.regex.Pattern.quote ...
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Static Network configuration with bridge in CentOS 6.2

I have a server with CentOS 6.2 installed, I want to use it as a VM host to run some windows installations for development purposes. I wanted to be able to directly RDP and serve websites from IIS on ...
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1answer
7k views

How to recreate samba secrets.tdb file

While trying to setup samba on an NFS server I deleted (don't ask) the /var/lib/samba/ contents and now when I try to start samba, this messages appears : [2012/07/06 08:19:07.528973, 0] ...
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2answers
760 views

Tons Of rpc.idmapd errors in syslog

I am growing weary of some error messages in my syslog - its showing: Jul 3 15:16:38 web rpc.idmapd[14535]: nss_getpwnam: name 'nobody' does not map into domain 'mydomain.com' I have check, my ...
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2answers
671 views

Forwarding 80 to 443 on Nagios woes

I perhaps just need some extra insight because I don't see where I'm going wrong. I used an SSL Cert to secure our nagios server. We want to specifically require all traffic over nagios (like 2 users, ...
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Centos 6 vsftp server

I have installed vsftpd server in my centos 6 server. I created three users.first user can access the ftp server using his system password.All the users are in chroot_list. when the second user is ...
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2answers
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How to setup virtualhost for domain on CentOs 6.2 using apache2?

First time LAMP and domain setup on CentOs. Previous experience of this is in Ubuntu. Working on a dedicated server package of my local ISP. They installed default CentOs 6.2 and redirected my domain ...
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Configure PEAR on CentOS 6 and PLESK

I'm hoping to get a little assistance with configuring PEAR to work properly. I have a PHP file that's calling PEAR's mail and mail-mime files, and I believe I am missing some steps because I keep ...
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3answers
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Create an image of a CentOS system

I provide a server (and site) to a client via Rackspace Cloud Hosting, and my client wants to now host the entire thing within his own account. Since it's not possible to just transfer the ...
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4answers
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Munin on Centos 6 - missing perl MODULE_COMPAT_5.8.8

I'm trying to install Munin on a new VPS through yum install munin but I keep getting an error about a missing perl module: Requires: perl(:MODULE_COMPAT_5.8.8). This is the perl version currently ...
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1answer
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CentOS is ignoring my public key

I am trying to connect to my own CentOS server using SSH; I am able to connect fine with a password; I am trying to connect with my public key, but the server does not attempt public key ...
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3answers
2k views

How to reduce the SATA link speed of drive in CentOS?

How do I make CentOS run SATA drives at 3Gb/s at boot? Background: I'm having an issue with a motherboard that claims to support 6Gb/s SATA transfer speeds, but when using 4 drives on it, in a ...
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1answer
291 views

Which log file holds the errors that appear on the server's physical console on CentOS?

On a CentOS 6 Server, sometimes messages (errors, warnings) appear on top of the login prompt on the monitor physically attached to the server. I can't seem to find a log file (/var/log/?) that these ...
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181 views

set-up webserver with two nics

I have a web/email server with to nics, eth0 and eth1. I want to set it up, in order all WAN traffic is going through eth0 and all LAN traffic is going through eth1. I found a number of descriptions ...
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521 views

Disable a repository and remove all the software installed from it

I have a CentOS box where I installed an external repository and added some software, mostly java related. Now I want to get back to the initial repository (only CentOS Base) and remove all the ...
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ssh: No route to host

I'm failing to set-up an ssd on port 9922. With standard configuration on port 22 everything works fine. Then I change the port to 9922 by adding this line to ths sshd_config file: Port 9922 I can ...
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2answers
2k views

Secure iptables config for Samba

I'm trying to setup an iptables config such that outbound connections from my CentOS 6.2 server are allowed ONLY if they are of state ESTABLISHED. Currently, the following setup is working great for ...
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4answers
502 views

Debian 6 or CentOS 6 - which one is easiest for latest versions of Ruby and Postgres? [closed]

I am getting a new server as I've messed up my current box, while trying to install Postgres 9 (on my CentOS 5.8 box). To cut a long story short, I removed postgres but yum decided to remove ...
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2answers
123 views

Determine which apps run on startup

I have a CentOS 6 32bit VPS and I'd like to determine, How do I know which apps automatically run on startup? EDIT: I have tried chkconfig --list but I don't understand what these lines meant: ...