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

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xen not created a new virtual machine

I am using CentOS 6.5 64 using this script to install xen on server yum install http://fedora.cu.be/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install centos-release-xen yum install xen ...
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22 views

Automate DISA STIG controls for RHEL/CentOS?

I am deploying systems that must be configured using the Red Hat 6 (v1r2) Security Technical Implementation Guide(STIG) published by the Defense Information Systems Agency (DISA). Link to site. I've ...
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24 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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24 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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11 views

Autologin enabled, keychain blocking VNC connection

I have a CentOS server set to autolog in so we can remotely connect to the machine. When the machine reboots and we try connect to the machine, the CentOS server needs a keychain password... due to ...
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15 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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36 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 And I want to have possibility to view (best will be some web-interface, but console-only useful too) outdated packages, which can be updated and have all ...
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19 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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28 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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22 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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79 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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97 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 ...
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53 views

NFSv4 which “domain” to put in idmapd.conf?

I'm using NFSv4 but suddenly when the NFS Server got rebooted, all the files on the Clients are having nobody ownerships after the Server is booted and started its whatever services again. Then I ...
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34 views

Adding a second hard disk CentOS

I'm running CentOS on my VMware server console, and I want to know how to make a second virtual hard disk on which I can expand the size of the primary logical volume AND and a third to hold two ...
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46 views

Set Up New Locale On CentOS 6

I am trying to set up a new locale for my centos server environment. Here is currently shows for locale -a command: en_AG en_AG.utf8 en_AU en_AU.iso88591 en_AU.utf8 en_BW en_BW.iso88591 en_BW.utf8 ...
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22 views

How do I deploy Node on my domain

I have a remote dedicated Centos machine that uses cPanel and WHM. I know how to use ssh also. I just want to know how I can map my domain to node. I need to know where I put my server.js file, etc. ...
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28 views

Problems connecting to IRC server from VPS

So I'm running a CentOS 6 VPS that I've got irssi installed on. I'd like to run irssi as a permanent connection to an IRC server so I can log in from anywhere and not lose my conversations. Irssi ...
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30 views

How To Install PHP on CentOS by download packages?

I'm using CentOS 6.5 and I need to install PHP 4.3.11 i can't use "yum install php" because it'll install the latest version of PHP. So i use these command: wget ...
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21 views

What is the correct repository to add for `debuginfo-install glibc` for RHEL 6?

I am trying to install debug-info for glibc on RHEL 6. The closest instructions I could find for adding the repository is at the answer to this question. However, that question is about CentOS, which ...
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57 views

Reading from named pipe freezes when piping tshark output

I'm trying to implement a web prefetching system. The purpose of a system like this is to “predict” future requests and prefetch them. The system builds a predictive model from web navigation logs ...
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89 views

Tuning a CentOS VM running on an MDRAID-based XenServer storage repository

I've run out of ideas for tuning disk write speeds on a handful of CentOS VMs running on a lab XenServer 6.2 host. Running under the free license (so vendor support not a concern), the lab host is a ...
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28 views

filefield nginx progress module not showing upload progress bar

Using module: https://drupal.org/project/filefield_nginx_progress on a clean Drupal 7.26 Followed all instructions from the main page Recompiled nginx 1.4.4 with ...
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54 views

Postfix not responding to telnet

I am doing a Postfix installation on CentOS 6.5 I can't get # telnet localhost 25 to do more than this: Trying ::1... Connected to localhost. Escape character is '^]'. EHLO ^] telnet> quit ...
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27 views

Internet working but not all of LAN!

I have recently installed CentOS 6.5. system is behind a firewall (institutional access) with an IP address, say, 10.50.28.99. It is not detecting (pinging or connecting via ssh) computers with ...
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29 views

APF IPTABLES automaticly removing allow hosts

I'm using apf for configure iptables. From last 5 days, apf automaticly removing IP from /etc/apf/allow_hosts.rules Please help me to clear this issue.
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238 views

Centos 6.3 on Oracle VirtualBox 4.3.6 GUI flickering after startup

My CentOS 6.3 installation in Oracle Virtual Box 4.3.6 was working fine until this morning when the UI would not startup properly and started flickering. In the UI there is a white box (3x2 size) ...
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126 views

touch: setting times of No such file or directory

I got strange issue with TeamCity server (from log-file): [2013-12-26 16:48:52,915] WARN - jetbrains.buildServer.SERVER - Failed to save custom data to the file: ...
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844 views

Inappropriate ioctl for device

I can write to the tape drive (tar -cf /dev/st0 file) and retrieve files from the tape drive (tar xvf /dev/st0 file). But the problem is when I attempt to use the 'mt' command to check the status of ...
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80 views

Installing Upstart on Centos 5.10 Final… pkg-config dependency issue

I am trying to install upstart version 1.11 from source on a Centos 5.10 Final box. BTW I don't have option or privileges to upgrade this. I am at this point where it is complaining about the ...
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33 views

Help required for LAMP Stack fail-over Configuration

I am using cloud servers of digital ocean for last some months. Recently One of my cloud servers disappeared from panel with backups @ ubiquity, the server co guys put it back after 1 day. However my ...
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256 views

Installing Xcache-3.1.0 on CentOS 5.9 32-bits

I'm renting a VPS that is running suPHP, so my hosting company told me I can't install APC because of that. (I did not ask why.) So I wanted to test out Xcache and followed this guide for installing ...
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198 views

How to install rtl8723ae firmware in CentOS 6.4

I am experimenting with CentOS 6.4 on an external hard drive. My main system in based on Ubuntu 13.04 and works well with the Wi-Fi (rtl8723ae) installed on My Toshiba C855 laptop. I have tried ...
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102 views

Centos 6.4 (64) skype 4.2 no sound notification

Everything works fine. I can hear and others can hear me. But no sound notification. In options -> sound devices "Make a test sound" button is disabled. Other button show "PulseAudio server (local)". ...
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41 views

What is the difference between 'No' and 'Continue' on interactive startup?

I have a problem that Centos is hanging on a custom process at startup. I tried running interactive startup to sidestep it and allow the machine to boot up. I selected no for the process but it is ...
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117 views

Disable touchpad pointer moving, only tap click

I installed CentOS 6.4 on my laptop, a Lenovo E431. This laptop has the trackpoint that is so cool to move mouse pointer, so I want to disable pointer moving with touchpad dragging. Can this be? And ...
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28 views

Capture Screen-shots of Kick Start Provisioning

Is there a way to capture the screen-shots of kickstart provisioning? I tried to capture it using autostep --autoscreenshot , however it's not working even after switching from text mode to graphical ...
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67 views

How to exit vncconfig process properly

On CentOS 5.7, when open up a vncconfig, a tray icon shows on the taskbar. Hit close or the x button to close the vncconfig doesn't exit the vncconfig, the tray icon is still there. Next time, if I ...
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103 views

update rwtab file on read-only stateless linux without rebbot

I have some statless read-only root file linux systems where I have added a new file entry on /etc/rwtab file. rwtab is a configuration file for the list of files and directories that should be ...
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88 views

how to install yoono-desktop?

Just now i download yoono-desktop from http://www.yoono.com/desktop_features.html.While trying to install this app it showing error [root@localhost mpatil]# yum install yoono-desktop Loaded plugins: ...
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141 views

php Mails not send with in domain

My setup : Our current server 90.0.0.50 [example] which is containing domain testdom.com. testdom.com's MX record points to Google mail. Due to some issues we need to host our domain on some other ...
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88 views

Not able to install Nautilus Terminal

I am using centOS Release 6.4(Final) and GNOME 2.28.2. System information is Linux localhost 2.6.32-358.11.1.el6.x86_64 #1 SMP Wed Jun 12 03:34:52 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux I ...
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60 views

CTRL meta key 'sticky' in GUIs over X11 forwarding from CentOS to fedora

Despite numerous problems, I managed to get X11 forwarding working from a SSH server running on a CentOS host to a Fedora client (changing various settings and finally fixing it by installing a ...
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100 views

LDAP and SAMBA config PDC

I am setting up a PDC in CentOS 5.6 (OpenLDAP and Samba 3.x). It seems everything is ok. No errors appeared during the installation. net getlocalsid: ok smbldap-populate: ok services run ok service ...
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312 views

Issues mounting a NTFS share on Centos 6.3

We have a web server running on Centos 6.3 and we intend to mount a shared Windows drive (Windows 2008) so that we can do our daily backups on to the shared drive. This is how I am mounting the drive ...
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42 views

Any issues to have mock installed on centos 6.4?

I am trying to install ossec on a centos 6.4 machine but only repo which have .rpm file are from atomicrepo but then installing it require to upgrade my mysql I am reluctant to do it so I have used ...
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336 views

Restore a Linux backup on virtual machine

I have made a backup of my Linux OS in a bacukp.tgz, the OS is Centos 6.4. Now I want to create a new VMWare virtual machine from it. Do I first need to install Centos from CD or ISO, and then ...
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94 views

CentOS custom livecd using su throws: “Error setting value: Failed to contact configuration server…”

I am building my own custom CentOS Live CD with tools and settings I need. But if I want to root myself using "su" I always get this error message: Error setting value: Failed to contact ...
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291 views

Linux won't install on RAID set: disks “contain BIOS RAID metadata, but [are] not part of any recognized BIOS RAID sets”

I plugged a Q-Tec 340R ATA-133 IDE RAID card, with two IDE connectors and support for up to four IDE drives, into an old P4 machine, attached two hard drives and managed to set up RAID0 and install ...
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105 views

CentOS security update Repository

I need to apply all security patches and updated to my CentOS 6.2 running servers. However we use a mechanism to verify all the security updates first and then push them to the production environment ...
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87 views

Allow Only Local Accounts to sent mails Centos

I would like to resctict postfix/centos to allow only local recipients sent mails either internally or Externally and not allowing gmail/hotmail or any other mails account that is not on my local ...