CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

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Install Ghostscript v 9.05 (or newer) on CentOS

I need to use the ghostscript inkcov device on my CentOS server. The device is said to be available on GS versions 9.05 and newer. However, yum install ghostscript installs version 8.70. What is the ...
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How to determine the sequence of ordering certificates by browser?

I did a Mutual Certificate Authentication implementation with OpenSSL and Apache Web Server on CentOS platform. To simple explanation see this diagram: ---------- | ...
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Cent OS 6.4 UEFI Dual boot

i'm really a beginner to Linux trying to study for RHCSA certification here. I have Windows 8 installed on UEFI BIOS. When i installed Cent OS, installation went smoothly and then after restarting, ...
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103 views

Installing Ossec on an existing centos 6.4 machine

I have an existing machine running centos 6.4. Is it ok to install now the Ossec or it's not worth any more as the machine is already running for few months. Which is the best mechanism to install ...
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522 views

gnome-terminal won't launch because it crashes every time

gnome-terminal worked this morning, and I haven't installed any software or changed any OS configurations. Now every time I try to open a terminal window, I get an error dialog: The application ...
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59 views

PBX randomly loses network connectivity and restores itself

I'm using a QBX appliance, which is just a microATX desktop system with FreePBX connecting to asterisk and some other slapped together stuff running on CentOS 5.4. It's horribly out of date (which I ...
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56 views

Where to put generated certicate for user [duplicate]

I was following this tutorial and I want to implement mutual authentication between server and client, where server and CA (certificate authority) is the same thing. I reached the last step and I ...
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1k views

Centos 6 stuck at loading splash screen after successful installation

I'm trying to dual-boot CentOS with Windows 7. My current disk layout are as follow:- /dev/sda1 - Windows 7 /dev/sda3 - NTFS partition I created a standard partition for /boot and that was ...
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728 views

CentOS, Django, mod_wsgi permission error

Running CentOS 6.4, Django 1.5.1, and mod_wsgi 3.2. I've set up a simple server configuration but when I restart the httpd service I get the following error in the logs: (13)Permission denied: ...
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307 views

Trouble communicating with FTDI FT245RL on ttyUSB0. works fine on Win7x64

I purchased a Sainsmart 4 channel USB relay board which seems to be based on a FTDI FT245RL chip. I should be easy enough to use. when you plug it in it appears as a serial port (VCP). You send it ...
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What caused my CentOS 6.4 box to reboot itself?

I noticed that the MySQL daemon running on my CentOS 6.4 machine was suddenly not running anymore. I checked the MySQL log, but didn't see anything relevant: 121229 22:17:45 mysqld_safe mysqld from ...
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107 views

uploading from Netbeans to remote CentOS server failed

I have a php web application on Netbeans on my Ubuntu , and server is CentOS on a virtualBox . Suddenly uploading to server stopped and I'm getting these errors for non-root user : Failed: file ...
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2k views

How to remove Oracle Wallet using orapki?

Hi i'm on Centos using oracle 11g And i've created a wallet using : $ orapki wallet create -wallet /u01/app/oracle/admin/DB11G/wallet -pwd WalletPasswd123 -auto_login Now i want to remove it to ...
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265 views

Unable to find an option to install CentOS 6.4 (64bit) in command line (linux text) for Asterisk

I am trying to learn Asterisk, so I downloaded the latest CentOS 6.4 (64bit) to install on VMWare Workstation 9. When I started the installation it is not giving any screen to start the installation ...
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679 views

adding home directory after -M option

First off I'm new to Linux. I have created a new user called "ginny" with -M option. Now I'm trying to assign a home directory with usermod -d /link/to/directory ginny but it doesn't assign a home ...
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GRUB reported “error: file not found.” when booting CentOS 5

I installed CentOS 5.3 by using a 4GB USB disk on an old PC that I used run a Debian on it. After a series of housework on the fresh system, I reboot the system using: sudo shutdown -r now After ...
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53 views

How can I add PAM functionality in netkit-rsh-0.17

I am using CentOS. In my project, that is working on a network, I need an rsh utility. I downloaded netkit-rsh-0.17 for that and until recently all worked fine. But now I found that this utility ...
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173 views

VSFTPD Virtual User Group

Currently I have a Running vsftpd server in a Cent OS Machine with virtual users. Users are authenticated using MySQL. The users has all the permissions in their home directory and they are jailed ...
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127 views

Booting 32bit CentOS from external HDD on Lenovo IdeaPad Y580

I've got Lenovo IdeaPad Y580 with a 64bit CPU and I would like to boot it from my external Toshiba HDD with a 32bit CentOS 6.4 installed on it. However all my tries ended up with kernel panic: not ...
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98 views

User installation emacs 23 on a centos 5 with system-wide installed emacs-21.4-20.el5?

I would like to install my own copy of emacs 23 on a Centos 5 Linux where I don't have admin rights. I would like to have my own modern copy of emacs on this Centos 5 system since I've got a problem ...
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3k views

Centos freeing up disk space

I have a CentOS server running Plesk and it's run out of space on the plesk partition. I have narrowed down where a lot of the disk space is being used, but I'm not sure how to move forward. Can I ...
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151 views

vsftpd allow full access in selinux

When I try to alow full access to FTP, suing the setsebool -P allow_ftpd_full_access 1 I am getting this error: libsemanage.get_home_dirs: insta homedir /var/www/html or its parent directory ...
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237 views

gpg-agent fail: undefined symbol gpg_err_set_errno

We started to get some odd issues yesterday; possible due to a yum install gone bad? One of the issues, PS -ef hanging indefinately (actually an ps command that looks at other user state) was fixed ...
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218 views

Installing XSP on CentOS

Trying to install xsp-2.10.2. Worked fine in the past, now getting this error. Making install in Mono.WebServer mkdir: cannot create directory `2.0': File exists GMCS /out:2.0/Mono.WebServer2.dll ...
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587 views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: ...
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299 views

centos 6.3 apache local network not working

I have clean installed centos, apache, mysql, php and have my php pages running fine at 192.168.1.66. I type that ip in on another computer (macbook) on the same network and get nothing. Page time ...
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128 views

Upgrade from Fedora 17 -> 18 problem

I tried to update Fedora 17 to 18 from within yum using the directions on the fedora web site. When I rebooted I ended up in the CentOS installer screen. I am not sure how that happend but I can't ...
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124 views

Build minimal centos

I'm building a miniminal Centos5 for use in xen but i having problems when go to use yum this are the steps: $ mkdir -p images/x86_64/5 $ cd images/x86_64/5 $ mkdir -p proc etc dev ...
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171 views

Create a CentOS Guest img over Ubuntu

I want to create a basic CentOS 5.8 system from scratch. for now i build my own img for Ubuntu Guest (debootstrap), my host is a Ubuntu 12.04.1LTS but I don't know how to make for a CentOS, is ...
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108 views

Cent OS 6.3: How to make places show up folders in tabbed versions (or at least not in a new window)

I moved to CentOS 6.3 recently. The places application shows folders but each folder is shown in a new window. So if I go to 2 different folders and go deep in 3 sub folders, I will have six windows ...
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537 views

recreate mysqld file centos

I have tried installing mysql several times but keep getting this error: mysqld: unrecognized service I've tried: yum remove mysql-server yum remove mysql yum remove MySQL-* then yum install ...
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SVN server with remote GUI administration

I have 2 Linux servers. One is Centos 5.5 another is Centos 6. I want to install SVN server on both server separately. Can anyone tell me which svn server has a good remote administration GUI. Also ...
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umask is not working for directories

I have an odd problem with umask. My current setting is: $ umask 0022 $ umask -S u=rwx,g=rx,o=rx This only works for files though and not directories: $ touch abc $ ll abc 0 -rw-rw-rw- 1 user1 ...
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enable apache mod rewrites to load clean-urls

In CentOS, a2enmod rewrite results in “command not found” but httpd -M lists rewrite module as listed and shared. I'm trying to enable it so can then have these rewrite rule apply so I can switch back ...
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how come has firebird-superserver stopped and how to prevent from happening again?

On a CentOS 6.2 x86_64 server I have an instance of Firebird 2.5 that suddenly stopped working. The last part of the /var/log/firebird/firebird.log is: cpc-5556l (Server) Fri Nov 30 10:12:03 ...
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How to stop mail with PHP error messages to root?

Today, my Centos has a problem. When I type df -h in SSH I get: /dev/vzfs 61G 61G 0.3G 99% / The disk is full. I found that /var/spool/mail/root is nearly 53GB. tail /var/spool/mail/root -n 50 ...
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How can I reinstall Network Manager after uninstalling it?

I am running a version of RHCE6 on my laptop, and lately I've been trying various stuff about network configuration through command line. Last night, I tried removing the NetworkManager using yum ...
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Updating PHP 5.3 to 5.4 in CentOS

I followed this tutorial to update PHP from 5.3 version to 5.4. My distro is CentOS 5.5. After running the following command: yum --enablerepo=remi,remi-test install httpd php php-common I get ...
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Winbind PAM.D AD Groups, CentOS 5, Allow Only?

I'm attempting to create a configuration, where users in specified AD groups can log in. I'm having trouble stopping every AD user from logging in. I've been doing this though /etc/pam.d/sshd/ but ...
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1answer
2k views

Postfix Configuration - different servers for subdomains and domain

I have a following setup: 1 postfix server: a.example.com that needs to accept all emails for any subdomain on example.com (*@*.example.com) and delivers to mailman account and also send emails to any ...
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311 views

Linux webserver reboot issue

I've webserver, it works fine when there is no load into it. when I've load onto it and try to restart httpd server gets reboot itself or sometimes it automatically get reboot It is Xen HVM with OS ...
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37 views

How to make unused dependencies clean with yum? [duplicate]

Possible Duplicate: How can I remove Orphan Packages in Fedora? I need something equal gentoo's emerge --depclean so how to make unused dependencies clean with yum?
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226 views

Got an error while upgrading CentOS

I'm upgrading my server but an error occurred. Here is the error report: Transaction Check Error: package subversion-1.6.15-0.1.el5.rfx.x86_64 (which is newer than subversion-1.6.11-7.el5_6.4.i386) ...
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How to easily maintain the latest versions of Apache/ MySQL/ PHP on CentOS 6.2?

We have a few servers running CentOS 6.2 deploying web applications using Apache/ MySQL/ PHP. In the past we've just regularly run "yum update" to keep all the software up to date. As of right now ...
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How to backup and restore Oracle 10G Express in Linux VPS?

I have installed Oracle 10g Express in two Centos VPS server. How can I generate an Oracle backup from server one, so that I can restore the database on server two? Can anyone help on this?
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How to remove Apache from CentOS while keeping php 5.3

I have a problem with removing Apache from my CentOS install. First of all I installed lighty (lighttpd) and then I tried to install php53 which httpd was included with it. I've configured lighty ...
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286 views

CentOS boot problem

We're using VMware Server which is running on CentOS in our company environment. As you can see,now the only thing holding this up is the CentOS can't boot. Also, I am guessing it sounds like a ...
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63 views

vim always shows help/documentation

Whenever I run vim, it randomly shows the help/documentation at a non particular time. How do I disable that. It's irritating.
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2k views

Connecting to FTP sites via squid

I'm using the squid proxy on CentOS but, I can't connect to FTP sites from WAN. I did open FTP ports in the firewall on CentOS. However, I receive a "Page cannot be displayed" error when I try to ...
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541 views

CentOS 5.5 Install Customization

I'm having a frustrating time with customizing my initial CentOS 5.5 installation. I want to have a specific set of the packages installed (e.g. I want Java and httpd but not OpenOffice or NewsServer) ...