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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Install 32 bit DB2 on 64 bit centos 6.2

I am trying to install 32 bit DB2 (9.0.3) on my 64 bit centos 6.2 but an error occured during installation that is shown below: There has been an attempt to install a DB2 install image for a ...
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37 views

Why am i getting execute binary file error?

i am getting following email every 10 min. as I own the VPS. I am not expert in linux and am learning to manage linux servers. Please help me why am i getting these emails and how to stop them or how ...
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21 views

Qmailrocks installation error on CentOS 6.6

I've managed to install qmail-1.03 using the qmailrocks procedure on CentOS 6.6. When I telnet to port 25, I get an error in the qmail log below: [root@www qmail]# telnet domain.com 25 Trying ...
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42 views

CentOS installation error - No more mirrors to try

I have currently gotten my parts for my new home-build server, but I've come into an error installing CentOS 6.6 (minimal 64bit). I am installing 6.6 instead of 7, due to OpenVZ not supporting CentOS ...
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22 views

Im trying to adjust my httpd.conf file on my server but cant find it

I'm trying to make changes tot he httpd.conf file on my server so i can have multiple websites on my magento platform however i am unable to find said httpd.conf file. I'm using centos 6 and Apache ...
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25 views

phplist is showing blank page after installation

I installed phplist on goDaddy VPS Server on CentOS. I have completed installation successfully. But now it is showing blank page. I tried so much. I also installed new fresh copy but it is not ...
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1answer
20 views

Cannot access DNS from external network

I have setup a MaraDNS instance on CentOS 6.5. I can access the DNS records from local machine—on which MaraDNS is installed—by doing nslookup but cannot access the DNS server records from Internet on ...
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33 views

phpList is not showing Initialize Database Option

I just installed phpList on server. Also created mysql database. Now, I am opening it through ip-address/phplist/admin, It is showing just header. I can't see any option to Initialize Database. Soo, I ...
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19 views

Starting VNC server: no displays configured in CentOS6.0-64 Minimal

I have installed tigervnc-server on CentOS6.0-64 Minimal. I am using Putty for it. I have also added user. Now, after setting server configuration asVNCSERVERS="1:jeeten" VNCSERVERARGS[1]="-geometry ...
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2answers
106 views

No package available when installing packages on CentOS 6.6

I wanted to install mysql-server on CentOS 6.6 (64bit). When I run yum install mysql-server, I get the following error: root@ip-50-62[/home/syn]# yum install mysql-server Loaded plugins: ...
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56 views

Where does this name come from? root@<hostname>

When I putty into my CentOS 6 server I am shown root@ DemandStream Development This was a copied and repurposed Linux VM from one of our development environments. How do I change this name? It seems ...
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20 views

Unable to connect to internet from Centos VM

I am using VirtualBox 4.3, I have installed Centos 6.3. I have two adapters attached. 1) NAT 2) Host-Only I want to be able to setup a cluster of 3 machines which can talk to each other and also be ...
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35 views

Pure-FTPD certificate not being used

I am using Pure-FTPD from the epel repository on CentOS 6. Now I have configured to enable TLS which works fine however for some reason it wont make use of the certificate file I have placed in ...
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45 views

How to install hugin on cent os 6.5?

Trying the whole day to run hugin on centos? Thought I could use fedora repos, but I had no success. Anyone experience with that?
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1answer
39 views

Memory usage grouped by parent process

How can I find the total memory usage of all processes (including child processes) with PPID of 1. For a program like nginx/httpd which forks several child processes, ps/top gives the memory usage of ...
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1answer
35 views

Service Network Restart

I was configuring the network interface for the servers that are on Centos 6 platform. While editing the ifcfi-eth0 file there is a field "ONBOOT" which is set to "yes" if we want that the network ...
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1answer
30 views

What is the effect of Service Network Restart

In network configuration file ifcfg-eth0 . There is a field "onboot" if I put onboot=no and restart the service network. Then interface eth0 did not up. If I put onboot=yes it does up the interface ...
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97 views

Making 2.7.3 default version of python on CentOS 6

I want to execute python from php and I do have a script that works fine for default python interpreter. I have centos with default python 2.6.6 which is installed at /usr/bin/python and python 2.7.3 ...
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9 views

Centos 6.4 didn't display properly

I installed Centos on my computer. Everytime I work for a while, the characters began to disappear. I tried open a tab, Vim, Gedit,... There was just a blanck white windown pop up. I don't understand ...
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97 views

Centos6.5 can't use serial console but can see serial output messages during boot up

I configure CentOS 6.5 x86_64 version to support serial console. I edit configuration files as many people suggest. In GRUB, Add these two lines: serial --unit=0 --speed=115200 terminal --timeout=5 ...
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1answer
44 views

“kdb5_util create” fails with an error

krb5-server 1.10.3-33.el6 on CentOS 6.5. I'm following the Red Hat KDC Instructions. Right there at the start, the instructions give me /usr/sbin/kdb5_util create -s. If I run that, I get this: # ...
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2answers
245 views

Permission denied error when accessing email folder even when logged in as root

I have a box with iredmail installed in CentoOS 6.4. When trying to access the vmail1 folder, which is the storage path for emails, It get the following: [root@mx vmail]# dir -ls total 12 4 ...
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111 views

Find issues in PHP site hosted under Nginx and PHP-FPM, no log error

I'm setting up a Wordpress site under Nginx 1.6.2 + PHP-FPM (PHP 5.5.18). This is the configuration for WP site: server { root /var/www/html/jurisprudencia.dev; index index.php ...
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62 views

How to enable php extention in centOS 6.5 with php 5.5

I have installed ffmpeg extension using this tutorial in Cent OS 6.5 with PHP 5.5. When I check with # ffmpeg command in terminal. it shows me following output ffmpeg version 2.2.1 Copyright (c) ...
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159 views

Not able to install rvm on centos 6.6

I am trying to install rvm on centos 6.6 using below commands. curl -L get.rvm.io | bash -s stable It throws an error as below bash: line 1: syntax error near unexpected token `<' 'ash: line 1: ...
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26 views

Centos Flashing cursor on boot

I have installed centos 6 on my machine. I did changed file permissions in root recursively using below command. $ chmod -R 2750 / Now when I did logout, progress bar appeared and it didn't stop. ...
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106 views

Centos install using KVM stuck on trying to access install.img

Greeting Folks, I am trying to install Guest or DOMU on a remote server and every time I try is get stuck at Retrieving /install.img. I believe its a network setting but am not entrely sure. Here is ...
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2answers
54 views

Clone Entire OS over SSH

I have a CENTOS server that was recently compromised. However, I used to be friendly with a professor who taught computer security, and I would like to give this person a chance to go over the old ...
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94 views

Cloned Linux does not recognize the new flash drive's space?

I installed CentOS 6 into my 4GB flash drive, and everything worked fine until I needed more space. I have another flash drive with 8GB of space (which is all I really need) and so I formatted it with ...
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113 views

Where can I get Centos 6.5?

I am deploying a product for my department which calls for CentOS 6.5. When I browse the CentOS downloads, I am only seeing 6.6 available with no means of finding 6.5. Our vendors have only stated ...
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24 views

CentOS 6 with User Permission (Read at message)

I have create users on CentOS 6 between test1 and test2 so I login on user test1 on ssh and i tried to access home dir of test2 so why it can access? how i can setting for other users can't access ...
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198 views

Why won't mysqld start after a yum update?

This morning I ran yum update and it completed successfully. We noticed, however, that the database server wasn't running. As root, I ran: service mysqld restart Which gave me the following error: ...
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478 views

CentOS: install software using text UI

I've downloaded CentOS-6.6-i386-minimal.iso (because the DVD images are too large for my narrow internet access. How can I install software (e.g. Gnome desktop) now from the console? Is there ...
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162 views

MySQL stops unexpectedly on CentOS 6.5 with WHM/Cpanel after migrating server with transfer tool

I recently moved my entire websites from a dedicated CentOS5 server to a CentOS 6.5 on Amazon EC2 with the same cPanel/WHM version. WHM 11.44.1 (build 19) However after angry calls from clients I ...
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130 views

Correct crontab settings on Cpanel/WHM Cron on CentOS 6.5

I have recently migrated from collocation to Amazon EC2 and setup new WHM installs with CentOS 6.5 I then used the Transfer tool to move all websites to the new server, however I am trying to transfer ...
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1answer
50 views

I can't see apache, nginx process while using “top” command

As the title said: "I can't see apache or nginx process while I'm using top command" I'm using CentOS 6.5 and of course I already installed it on my server. I run them as a service by using these ...
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178 views

How can CentOS 6 use python 2.6 with anaconda (python 2.7) installed?

I am using CentOS 6 and it uses python 2.6 by default. Recently, I install anaconda package with python 2.7 to work with scikit-learn, but now some packages that my OS uses are not available to it. I ...
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1answer
36 views

Why the used disk space increases after yum update?

If I do a yum update on a fresh CentOS 6.5 image, its disk usage increases by 200 MB. The image is a custom AWS image built some 6 months ago. The base image is almost barebones and takes around 1GB. ...
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1answer
109 views

Strange tgtd behavior: Multiple instances?

I'm trying to add a LUN to a running iSCSI target under CentOS 6.5. The iSCSI target is tgtd from the scsi-target-utils package. I'm seeing some pretty weird behavior and I’m a bit of a loss as to how ...
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1answer
351 views

Unable to read package metadata on Centos 6 PXE install

A Centos6 pxe install is not running correctly due to error: Unable to read package metadata. Cannot retrieve repository metadata (repomd.xml) for repository: Centos6-os. However from examining the ...
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1answer
44 views

Replace local host file modification with remote. Proxy server or something else?

I need to find a solution for a problem described below (both servers running CentOS 6) My goal is to have visible website to the public where a client will type own domain name mydomain.com and then ...
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53 views

VNC server immedietly closes connection

So, I am attempting to use VNC over SSH via this method. However when I type the command vncviewer localhost:[port] I get the response vncviewer: VNC server closed connection. However, I do have ...
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2answers
576 views

getting red alarm on dahdi show status command

I am trying to configure dahdi on my centos system by following this my system.conf # Autogenerated by /usr/sbin/dahdi_genconf on Sun Sep 21 16:06:45 2014 # If you edit this file and execute ...
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1answer
805 views

How can I repair a totally corrupt rpm db on centos 6.4 with no backup?

I am looking for help in repairing my Centos 6.4 rpm db. I had a disk failure and the backup rpm i have is not working also. I have googled the request and have come up with many different solutions ...
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177 views

Samba same shared folder read only for guest and read write for @somegroup how to

I want users in group Audio to have read/write and all of the other users (guest, anonymous, everyone....) to be able to browse and read only access to the same share folder. Guest users cannot mount ...
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1answer
109 views

bind 9 and multiple domain names [closed]

I have been told the following from someone after trying to get more than one domain name (zone) to work on the same BIND instance. We are able to get a single domain name "example.com" working but ...
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41 views

Webshpere 8.5 with deployment folder on Virtual Box shared folder cause an “Operation permitted” error

I have a Websphere 8.5 on Centos 6.5 and I changed deployment directory by changing ${APP_INSTALL_DIRECTORY}. New path is pointing to place in Virtual Box shared folder (so it's pointing to vboxsf ...
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56 views

rm -rf * results in “Killed”

I used PHP to generate about 4,000,000 files in a directory (f/) because I was bored. When I cd .. and use rm -rf f, it simply returns "Killed" about half a second later and does not delete the ...
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1answer
23 views

Bind domain name to hosting CentOS

I own "YouPlus.biz" and I own hosting at 192.169.218.8 (goddady VSP) I have been trying to Bind youplus.biz to 192.169.218.8 but have had no luck. have tried: ...
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104 views

How to spilt a bootable linux distro iso file onto multiple dvds or cds?

I have customized a centOS distro , by including some packages such as VLC,eclipse etc. but now the size of distro exceeds 7.42 gb. I want to : split the large distro iso into multiple small iso ...