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

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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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425 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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55 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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216 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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194 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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259 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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29 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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92 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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709 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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47 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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823 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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71 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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453 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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254 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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58 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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136 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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54 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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35 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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159 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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232 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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170 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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239 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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161 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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133 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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478 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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109 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 ...
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49 views

Spamassassin blacklist_subject not translating UTF8 characters

I am using spamassassin version 3.3.1 in conjunction with amavisd on Centos 6.5 64bit. It appears that when I use the whitelist subject plugin (actually using it to blacklist subjects, ie ...
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174 views

Can't open any tool of the system administration panel in CentOS 6 that demands the root password

When I try to open any graphical tool that demands the root password, it won't launch after I enter the password. I have tried the "Authentication" and "Date and Time" apps, for example. When I try to ...
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141 views

Oidentd problem with centos 6.5

I have installed oidentd and it is not working with ipv6s only, it works with ipv4 just fine. I have done some search on google and applied a patch on oidentd to work with ipv6 but i still cant make ...
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126 views

Setting up apache axis client on centos

I have below codes. import java.util.*; import java.io.*; import java.net.URLConnection; import java.net.MalformedURLException; import org.apache.axis.client.Call; import ...
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128 views

How to enter LVM GUI from CentOS live CD?

I'm trying to reduce in size one of my logical volumes in CentOS. I booted from the CentOS 5.10 installation CD into linux rescue and tried running: lvreduce --resizefs --size 450g ...
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85 views

Issue while we install EPEL Packages on CentOS 6

I Just try to install system requirements of http://magento.com/resources/system-requirements , But facing the issues below attached the same. For my every install EPEL package, there was a issue of ...
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231 views

When I create a new partition for /home, the partition editor moves it to /dev/hda2 instead of /dev/hda3

I have a CentOS system I'm tying to duplicate. I can't use dd or cat over SSH from the source server so I have to initiate the command from the target server. My first choice is to duplicate each ...
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121 views

no network connection

I am Newbie to CentOS. I have problems with my network connection eth0 I created /ifcfg-eth0 file since it was not present at /network-scripts. I tried ifconfig which does not display eth0. I have ...
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338 views

“No modules available for kernel”

I have a CentoOS 5.10 clonezilla image I restored to a VM. I'm trying to run mkinitrd to fix the filesystem on it (According to this CentOS guide) but when I run this command: mkinitrd -f -v ...
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50 views

Citrix printing problem on centos - hp

I have setup Centos 6.3 - 6.5, installed wine and running Citrix app. I can print perfectly Wine based apps (i.e. wine notepad) but when printing Citrix through wine it is printing ASCII characters. ...
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54 views

Citrix on Wine under Centos 6.5 printing garbage characters

I have setup Centos 6.5 and wine is used to run Citric Apps. When printing from Citric it is printing garbage value. But printing fine from Centos. Printer is HP Laserjet pro 400 on network.
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109 views

Centralized package management for RPM based distro

We have about 6 servers under Linux CentOS. And I want to have possibility to view (best will be some web-interface, but console-only useful too) outdated packages, which can be updated and have all ...
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274 views

Kolab behind Nginx Reverse Proxy: Connection to Storage Server failed

I am trying to setup a Kolab 3.2 instance in a virtualized environment, i can add users via /kolab-webadmin/ but i cannot login via /roundcubemail/ The error message shows the following: Connection ...
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50 views

Move Complete ORACLE from one system to another

I have 2 identical server with exact disk partitions (OS CENTOS 6.4 both ) [My college central oracle server]. Entire ORACLE HOME ( bin , control files, data files everything on oracle) is on 2nd ...
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47 views

How to add Public IP to Cent OS

I am trying to configure a Public(Static) IP in Cent OS 6.4. For this, I made a copy of eth0(added local IP, so that I can connect the system to Internet) and named it to eth0:0(added Public IP, so ...
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246 views

bash script to check zabbix java gateway

I wrote simple script to check status of a service and when service is down search live processes for the service and kill them, then remove pid file and restart service. The problem is that the ...
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67 views

How to customize Dell PowerEdge 2970 LED info screen via CentOS?

As shown in the photo below, the Dell PowerEdge 2970 as an information screen on it. I have CentOS installed. Is there a way via the OS to change this data? If so, how? Thanks in advance!
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856 views

CentOS 6.5 File system permission?

I am wondering, i have installed CentOS 6.5 Live-DVD in my company PC. After all the LAMP installation is done, am having a trouble with the File System permission settings. In the File system ...
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281 views

VPN error 619 - “A connection to the remote computer could not be established.”

Have been trying to get this PPTP VPN working on a CentOS 6 x64 VPS for a few days but im getting: "Error 619 - A connection to the remote computer could not be established." I did research on ...