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

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loadkeys has (almost) no effect

I'm running CentOS 6.4 on vagrant and then doing a vagrant SSH into the box. I've been trying to get backspace to work correctly for a while now (as chronicled here: Centos Terminal Configuring ...
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131 views

Unable to install CentOS 7

I have been trying to install CentOS 7 on a computer with no success so far. I am able to boot the live USB media, but the problem is the CentOS installation referring the HDD always as /dev/sdb. No ...
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28 views

CentOS 6.5 Apache redirection from external access

I'm quite new to the whole CentOS thing, and I'm running into a few issues. I had LEMP installed, although that faced the same error so I switched to LAMP, I'm now working with that. When I view my ...
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352 views

Upgrade apache 2.2 on CentOS 5.1

I need to UPGRADE Apache on a CentOS 5.1 server. Its currently at 2.2.14 and I want to bring it up to the latest 2.2.29. Upgrading the OS is not an option, and I don't want to install Apache 2.4 and ...
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53 views

Empty VG, but full?

I'm trying to use KVM with my dedicated server hosted on OVH, but that would require me to have a LVG (logical volume group). I have created the LVG named vg through OVH's control panel and loaded the ...
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211 views

Connection failed to any VPN!

PPTP VPN and OpenVPN don't connect and both return error about VPN Secret in my CentOS 6.4 x64 machine! I've already tested the configurations in Windows and Ubuntu with no problem. I also noticed ...
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128 views

Reinstalling Centos 6.4 over current Centos 6.4 OS

I am a newbie to Linux, and I am trying to reinstall Centos 6.4 from an AsteriskNOW CD I have because through an update I believe I lost the res_srtp.so module I installed from an external source. I ...
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83 views

CentOS 7 gnome Version Network issue

I just installed Cent-OS 7 with GUI Interface, but now I am logging in but I can not connect to network, in virtual machine I see it's connect with bridge (VMware) but I cannot connect to network, I ...
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389 views

What are the steps needed to get Redhat/Centos 7 to boot from an mdadm RAID?

I've spent a day on this. Figured it was time to ask. In the end I couldn't get around "Bad magic number in super-block ..." On an average install, my sda exits setup as an EFI. I'm cool with that ...
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81 views

IPSet - After installing get error message “Broken error report message received”

I get an error message after installation when I try to use ipset. "Broken error report message received". I am wondering what the cause of the issue is, may be some linux guru could point me into the ...
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50 views

Extensions “grayed out” on extensions.gnome.org

The site extensions.gnome.org loads OK, but all of the extensions appear to be "grayed out" (reduced opacity) as though they are not available. At the top of the site, I have "current version" ...
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29 views

After adding FORWARD NAT rules, cannot connect system eth0

I was trying to make bridge connection between wlan and eth on Centos.. I made Forward and NAT rules and then something wrong with System eth0 connection. It does not connect anymore.. Could you ...
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71 views

How to edit the “Internal Server Error” without redirecting to somewhere else?

On the web this is what I see: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, ...
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190 views

Gnome 3 with multiple X Screens

Background I'm running Gnome 3 with three separate X Screens using the proprietary NVIDIA driver with Xinerama disabled in xorg.conf. (because Eclipse works better with it disabled) There is only ...
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26 views

How to use scanner drivers api in Linux shell script

Usually when scanning any page using Canon DR- 2050C scanner in windows it rotates vertical text paged to horizontal automatically for the easy reading of the user. In Linux we are manually scanning ...
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12 views

How to increase horizontal and vertical default spacing between icons on desktop at EL6

I have installed centos 6.5, by default icons are appearing very near to each other on desktop. From where I can increase space between them? Any clue? Which file is recommended to modify manually, ...
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91 views

xrdp - Cannot connect from OSX

I just installed Centos 6.5 and put xrdp on it. I set up my iptables to allow it, and I can connect fine (both over local network and over the internet) from Windows 7, iOS, Android (using the ...
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302 views

Installing CentOs 6 with Direct Admin

I'm trying to install CentOS with a Direct Admin package. I have done it almost 10 already times but this time I can't get it to work. I've written down all of my steps here: Give root password: ...
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78 views

Redis: Error writing to client: Broken pipe

I would like to use Redis for Magento LestiFPC. Magento/Redis is using Pecl php-redis. I assigned 8 DB's to use over 2 Magento websites. Unfortunately there are only 5 DB's are in use (max 16 ...
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112 views

Error on building and installing memcached php extension

I have problems to run make on the latest memcached PHP extension, on CentOS 6.5: pecl download memcached tar zxvf memcached-2.2.0.tgz cd memcached-2.2.0/ phpize ./configure ...
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345 views

Upon bootup, all iptables are lost because the kernel module ip_set is not loaded

i can get iptables to whitelist / blacklist using ipset members, but after a reboot, the iptables are emptied out because the kernel module is not loaded. Have limped along in the past by customizing ...
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53 views

CentOS Strange Adobe Flash Problem

I have a CentOS release 6.5 (Final) Kernel 3.10.40-1.el6.elrepo.x86_64 with Adobe Flash problem. "Firefox ESR 24.6.0 "and "Chromium 31.0.1650.63 Built from source is CentOS release 6.5 (Final)" ...
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175 views

centos 7, xhost and other user than root

The following worked under CentOS 6: sudo su xhost + su - oracle xclock Under CentOS 7, I get an xclock after sudo su and xhost +, but a DISPLAY error when changing to the other user. Am I ...
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183 views

sudo service errors out with JAVA_HOME not found

I've used visudoer to set the keep_env for JAVA_HOME: $ sudo printenv | grep -i JAVA_HOME JAVA_HOME=/opt/java $ ls $JAVA_HOME bin db jre LICENSE README.html src.zip ...
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238 views

CentOS 7.0 live USB cannot be recognised

Wish to dual boot Ubuntu 14.04 LTS and CentOS 7.0, I have planned to first install Ubuntu 14.04 LTS by live USB into a laptop computer (boot both UEFI and legacy with UEFI first), followed by CentOS ...
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28 views

PlayOnLinux(POL) Excel 2007 can not open more than one spreadsheet

I have Installed CentOS 6.5 - i386 and PlayOnLinux 4.1. On that MS Office 2007 is installed. Word 2007 is able to open more than one document simultaneously and also possible to perform Cut, Copy and ...
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82 views

Why does “Connection Failed: 2002” display randomly on my PHP/MySQL website?

I'm running CentOS 6 with Apache/PHP/MySQL. PS. I'm sort of a novice at Linux, but I did my best to gather info before coming here. I'm now a bit stuck. I recently upgraded PHP to version 5.5.12. I ...
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624 views

How to fix “cannot retrieve repository metadata” when installing CentOS 6.5 from Kickstart over FTP?

I am pulling my hair out trying to fix this. I am attempting to install CentOS 6.5 over an FTP server on KVM from the physical host. I have vsftpd installed, selinux set to permissive, and iptables ...
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41 views

Why SAMP is not listening to the port

I have forwarded 38474 port to internal port 7778. Then I launched San Andreas Multiplayer on my CentOS server. When I'm typing netstat -npl I see this: Proto: tcp Recv-Q: 0 Send-Q: 0 Local Address: ...
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662 views

Avahi daemon can't launch due to dbus-daemon problems

I'm trying to run avahi-daemon on CentOS 6.5, but when I run it I get this error: bash-4.1# avahi-daemon Found user 'avahi' (UID 70) and group 'avahi' (GID 70). Successfully dropped root privileges. ...
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63 views

VMWare CenOS files disappear after reboot

Solved: I used install to hard disk file from CentOS desktop. after instalation I have two CentOS in VMWare player. The new installation saves everything. I've installed VMWare player and CentOS on ...
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346 views

port being in use not displayed in netstat output

In what scenarios port being used by a process don't show up in netstat -a output. I'm running jenkins on my machine. It's listening on port 8080. I'm trying to start another process that tries to ...
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248 views

Nvidia ethernet port not detected on Centos 7

When I tried to install Centos 7, my Nvidia ethernet port was not detected during the installation, whereas in all other distros it works perfectly without any problem. My rig is an AMD Athlon x2 64 ...
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48 views

Can not call a command

I have a script /etc/init.d/tilestream with: TILESTREAM="/usr/bin/tilestream" MAPPATH="/data" HOST="host" #HOST="localhost" #UIPORT="9001" UIPORT="8888" #TILEPORT="9000" TILEPORT="8888" ...
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1k views

Unable to mount cgroup

I've been searching for a solution to this problem but none was working. I would like to start my LXC container but i need to mount cgroup before. [root@stag-devCentOs ~]# lxc-start -n debianLxc ...
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54 views

Start Netbeans as super user as a shortcut with password embedded

For my work purposes, I need to start netbeans in super user mode. I find it quite irritating to have to type this : su then enter the password ./netbeans everytime I want to start netbeans. How ...
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22 views

The Case of the Conflicting Bootloaders

A server with a 2-disk RAID array (mirrored) is serviced by a 4-port 3Ware controller. Recently it became inaccessible after a restart. At the console it asked for the runlevel. Indeed, the /etc ...
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130 views

can xsp4 run .net 4.5 based application using mono framework?

I have installed mono 3.2.8 package into centOS 6.5 to run web application using mod-mono module. I have also installed apache 2, mod-mono 2.10 and xsp 2.10.2 in that system. Then I have tried to ...
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53 views

How can I make CentOS 6 treating WiFi flexibly like Ubuntu 12.04?

In my office, I have AT&T Uverse. The router is a 2wire 3600HGV. The WiFI is provided by a Cisco Linksys E1000 that is plugged in the 2wire device. With my notebook running Ubuntu 12.04 LTS ...
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31 views

CUPS - no document types are supported?

I'm hoping to eventually share out a printer for my household using CUPS. At this point I haven't made it past the initial config on the CentOS 6.2 x64 machine. Any document type I try to print using ...
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134 views

CentOS: FTP (vsftpd) Error 530

I struggled my way into setting up FTP on this VPS and I can not get the accounts to work. I did adduser passwd but I get this error in filezilla Response: 220 (vsFTPd 2.0.5) Command: USER Main ...
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185 views

Show icons for open windows on multiple desktop panels

By default, the bottom desktop panel in centos(6) gnome displays icons for all open windows in the workspace. However, with two monitors, these icons are frequently sitting in my blind spots, causing ...
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157 views

vagrant private network unstable

I have these 2 boxes, but I have a problem, when I start disributed and ping 172.28.128.2 often the network isn't working, but if I then go into oracle and ping 172.28.128.3 it'll find that and both ...
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41 views

Yum update crashing my OpenVPN tunnels

I have 100's of CentOS 5.10 clients that I access through a OpenVPN connection. I have internal repo that they use for updates. However some of my clients have some serious issues pulling packages ...
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189 views

Creating yum .repo file from a remote repo using rpm

This command (from the install page for Varnish 3.x): rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el6/noarch/varnish-release/varnish-release-3.0-1.el6.noarch.rpm appears ...
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150 views

Setting up Kolab Mail Server on Cent OS. The port number '389' is not available for use error?

I use: setup-kolab and all goes well , except an error is returned: The port number '389' is not avaialble for use. This may be due to an invalid port number, or port already being in use by another ...
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128 views

Centos not respecting ClientAliveCountMax

I'm running Centos 6.3 and trying to connect to it via OS X through capistrano deploying a Rails project. Capistrano is notorious for not respecting ServerAliveInternal from the client so I must set ...
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423 views

set the default keyboard type to ascii mode

I am running CentOS 6.5 and I am having problems setting the default keyboard mode to ascii for the virtual terminals. Currently, only the system console defaults to ascii mode, but if I log in to an ...
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107 views

Centos 6.5 laptop with multiple KVM on roaming networks

I have Laptop with CentOS 6.5 with 16GB RAM and many KVMs are created for testing purpose. Situation is I have to move from site to site, and due to that physically connected network eth0 to Host ...
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25 views

Permisison/Ownership issue with secondary FTP account

I have Centos 6.5 final. I have chroot setup and working properly and I also installed vsftpd. I now need to create a new user named extDeveloper and give this user access to a specific account. I ...