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

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Using ks.cfg with virt-install?

I've been trying to get a virtual machine working with a cfg file on centos but unfortunately, I'm getting the error that ks.cfg file does not exist. Below is the command I ran to enable the VM. ...
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50 views

CentOS/Kernel v3.18/Thunderbolt2

I just got a new SuperMicro box with a AOC-TBT-DSL5320 Thunderbolt2 card pre-installed. I installed CentOS 6.5,ran yum update, and then, because to my understanding at least, thunderbolt support was ...
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10 views

Trouble with VHOSTS config

This is my apache configuration for the vhost. <VirtualHost *:80> ServerName test.mydomain.ca ServerAlias test.mydomain.ca DocumentRoot /var/www/test_mydomain/public_html ...
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28 views

Unable to configure centos 7 and my UHD display

I am trying to configure cent os 7 in a vm on my laptop with 4k display. The icons and the shell font are very small. I have tried the "gsettings set org.gnome.desktop.interface scaling-factor 2" but ...
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12 views

BIOS and CentOS sending serial messages on bootup

I have a piece of hardware connected to my CentOS workstation via serial. The hardware has to be always on and responding. Recently I realised that on rebooting, my BIOS sends out a serial message. ...
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33 views

CentOS 7 boot hagn in VmWare

I have installed CentOS 7. It was working fine until today that it hangs. After several initial lines of ...driver cache write through... it goes to the next black screen with a _ keeps flashing. I ...
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13 views

haproxy - in CentOS is running but the whole directory is no more available and i do not have configuration backup

I had haproxy configured in /var/tmp directory by compiling, i did not had any backup after few months its still running but my /var/tmp/ is having no haproxy anymore. Can anyone please recover it i ...
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48 views

Globally change terminal background in centos 7

This has been frustrating me. I've done a ton of googling, can globally change text in terminal using .bashrc, but I cant figure out how to change the white background to black. Going to terminal ...
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31 views

AWS EC2: Attach ebs volume fails

I'm using a script that uses Amazon EC2 CLI to create ebs volumes from other instances snapshots & attaches them. The failure happens after creating the volumes - sometimes the attach fails. This ...
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21 views

Putty not asking for Two Factor Authentication Code

I'm running a CentOS 7 server. So I've installed Two Factor Authentication with Google Authenticator a while back and all was well. However I can't access my server at the moment over SSH. PuTTY and ...
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16 views

Separating SAS from SATA drives

I have to list all SAS drives and separately list all SATA drives, I'm working on CentOS6 and tried lots of commands which will give some specific information about bus of disks. Let me show you ...
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23 views

kvm console not working at login [centos on centos]

When I run the following $su $virsh console myvm I keep getting login incorrect , even though I'm typing the correct password. In fact, it does work if I use virt-viewer. What could it be?
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28 views

Why I am getting this dependency error?

I try to install Shibboleth service provider to Centos 7. However, I get this error: Error: Package: shibboleth-2.5.3-1.1.x86_64 (security_shibboleth) Requires: ...
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79 views

OVH with cPanel - Server boot failure - plymouth not found, no loopback

I have a problem with a server of mine. After initializing a reboot through OVH Manager, the server won't reboot. Only rescue-pro mode is working. Server admins on their side told me "the server gets ...
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28 views

bulk httpd process increase load average

Need help regarding server Load. Facing a lot of httpd request in just 10 to 20 seconds and server load average is increase to 115.148.127 and it looks like apache crash or server httpd process is ...
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70 views

How to install elegance-colors Gnome shell on Centos 7

Hello guys anyone here have success on installing elegance-colors Gnome shell on Centos 7? I have followed the steps on here https://github.com/satya164/elegance-colors but when i type "Make" it ...
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61 views

Cannot connect to CentOS 6.5 server with Ubuntu and rdesktop

I am working with a remote server with CentOS 6.5 and I have ssh access to it. Since I need to work with some graphic stuff (mostly testing webpages) I needed a rdp access to test and install a few ...
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209 views

Dual boot windows 8.1 and Centos 7 on seperate drives

I want to create a dual boot pc with Windows 8.1 and Centos 7. But i dont want to install both OS on the same drive. I have two SSD's. I want to install windows on the first SSD and Centos 7 on the ...
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27 views

Dual-boot Stella distro in UEFI mode

I want to dual boot stella distro with windows 8.1. Stella is a desktop focused, Gnome2 based Centos 6 remix. Can i dualboot stella in UEFI mode? How can i do that? Thanks.
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49 views

Pgbouncer is running, but cannot connect

pgbouncer started using "pgbouncer -d -v pgbouncer.ini" pgbouncer.log file: 2015-01-19 11:37:46.415 24708 DEBUG parse_ini_file: [databases] 2015-01-19 11:37:46.415 24708 DEBUG parse_ini_file: ...
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62 views

How to install evince on CentOS Linux release 7.0.1406

On my CentOS Linux release 7.0.1406 the PDF reader doesn't render image colours correctly that's sent from MacOSx/CS Adobe Acrobat. Is there a way to install Evince with Yum on this particular ...
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143 views

installing Centos 7 and configure RAID 10

I had a system with 4x500GB HDD and a 16GB pendrive. I would like to build a homeserver with RAID 10. Currently i use nas4free. But i am planning to setup a local file server as well as a webserver. ...
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49 views

Is there a “supported” way in RHEL/CentOS 7 to union-mount a directory tree on top of an NFS mount point?

I have an NFS share containing almost 500 chrooted (s)ftp user's home directories. This NFS share is mounted on several FTP servers forming a highly available FTP cluster. I would like to enable ...
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52 views

Linux Kernel Panic and Problem with boot

I have installed CentOS 6.4 on VmWare Workstation (Win 8 as Host OS). I worked with it for several days, but suddenly when I rebooted it, it did not boot properly and on stopped with this error : ...
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67 views

/usr/include/mysql/my_config_x86_64.h:653:2: error: #error <my_config.h> MUST be included first!

Hi I am trying to install this software on Cent OS. I am getting the following error. [root@localhost root-master]# make bin/rmkdepend -R -fsql/mysql/src/TMySQLServer.d -Y -w 1000 -- -pipe -m64 ...
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69 views

hooking up dovecot/postfix to mysql on CentOS 7

On a CentOS 7 web server, a java web application with a mysql database needs to be able to process incoming email. This means that each email message received by a specific email address needs to be ...
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14 views

centos cluster set core/each_program

I'm using unix server (OS: centos5) and I'm using several clusters. Some clusters have 8 cores, other are 24 cores and etc. I execute jobs using this command. qsub -q cluster_name -d $PWD ...
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9 views

linux centos graph and data usage problem in client management

I have change my linux centos few days back and I am running small ISP in my area, after I changed the os, in my AAA software every thing working properly but client side when I download file from ftp ...
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55 views

text colors in CentOS 6.5

I've got an inventory/ordering program that runs on cobol on CentOS. The program is pretty much all text-based and looks like an old DOS program. I did a reinstall of the server, updating from ...
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62 views

How to use binaries in jailshell?

I'm offering jailshell (on CentOS- whm) access to someone in order to use the folder sync tool called Unison (Some sort of bidirectional rsync) That's for the background. Unison is installed, as ...
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37 views

Use HUAWEI Gsm Modem in centos 5.01

I'm trying to develop an application that sends sms from my centos pc. And in order to accomplish this I am using HUAWEI Gsm modem. But I can't get to connect the modem to my virtual centos 5.01 ...
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18 views

Every time I try to resize the partition I get 2 MB instead of what I wanted?

I'm trying to partition my hard drive when installing CentOS 7. I chose manual partitioning, set the partitioning scheme on Standard Partitioning, then clicked on "Create them automatically". The ...
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82 views

DNS/BIND configuration to resolve *.mail.*.outlook.com subdomains

I'm running BIND 9.3.3rc2 on a CentOS 5 system acting as an SMTP server. Until last week, I haven't had any problems with DNS or name resolution. The only problems I have resolving are with subdomains ...
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44 views

Unable to trap “CTRL+C” within kickstart “%pre” bash script

I'm using an interactive pre-installation bash script in a CentOS-7 kickstart image. I was trying to use "trap" to catch user Ctrl+C (SIGINT) and run some code as follows: trap_ctrl_c() { #Some ...
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29 views

Installing xcache-admin after easyapache configuration(issues) RHEL6

I configured my server with easyapache with setups up XCACHE for me. The issue is it doesnt include xcache admin and I need that to use our platform. When I try and YUM the package from EPEL, It tells ...
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587 views

CentOS 7 httpd failed to make connection with backend

In a CentOS 7 server with apache httpd 2.4 set up as an ssl reverse proxy for tomcat, I am getting an error indicating that httpd is not able to connect with tomcat. How can I resolve this error so ...
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242 views

completely clean re-install of mysql on CentOS 7

I have encountered problems with a mysql installation on CentOS 7. All the data is backed up, so I just want to completely erase every remnant of mysql on the machine and then do a clean install. My ...
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36 views

Setting different path for installation in python packaging

I am new to python packaging. My Command Line Interface (CLI) named virtdc modules has to be installed in /var/lib/virtdc. virtdc is the top folder structure /var/lib/virtdc/ framework/ ...
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25 views

Automated STIG implementation on CentOS7

As someone new to STIG who has done a lot of reading, I'm looking for options on automated STIG implementation on CentOS7. Specifically, I'd like a package similar to the stig-fix-el6 package. My ...
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42 views

Configuration of “Same Host Name” for my all LAN Machines under squid proxy

I am having the network model as Modem N/w Switch ISDN (Airtel) -----------> Server(Centos) [Squid] -----------------> Client Machines. ...
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29 views

Automatically creating windows shares when logging on to CentOS7

I am in charge of researching the suitability of deploying CentOS 6 or 7 to around 200-400 macs in a triple boot (OSX,Win7,CentOS 6or7) configuration. We currently dual boot Win7 & OSX using ...
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293 views

CentOS 7 won't serve static https content, why not?

I just re-installed httpd and created a static index.html file. I have firewalld configured to allow internet access to the https service. But when I type https://my.server.ip in a web browser, the ...
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35 views

Unable to Install and Configure Apache Wave on CentOS

I have been going about this for a few hours now and I am stuck at this point. I am installing Wave on CentOS per the instructions found Here. I get to the point where I use ant to grab the third ...
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73 views

web container options for war file in CentOS 7

I know that Tomcat and NginX are both able to host web applications that are defined by war files. But can httpd also host a war-file-based web application on a CentOS 7 server? If so, how would you ...
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205 views

Install SVN 1.8 on Centos 7

I've tried installing the newest version of SVN but nothing is working. On yum there is 1.7. When downloading rpm/zip error occurs when trying to configure. Setting some additional repositories ...
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116 views

deploying a war file to a remote centos 7 server

If tomcat is installed in a remote centos 7 dedicated web server, and a war file is placed in the webapps folder, how would you set things up so that http requests originating all over the internet ...
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193 views

How to use i3 on CentOS 7 with Gnome?

I have a CentOS 7 with Gnome running on my machine. Now I want to use i3 as the window manager. I managed to install i3 but I don't know how to make CentOS 7 use i3 now. I tried to edit .xinitrc like ...
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294 views

Network firewall on CentOS, host cannot be resolved?

I have a centos machine and I am trying install some dependencies using yum. When I do this I keep getting a message saying the host cannot be resolved. I was told the previous person that used the ...
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106 views

Install Xmind on Centos 7

i try to install Xmind on Centos 7, i try with: Download Xmind with deb package ar -x xmind-linux-3.31. . .-i368.deb tar xvf data.tar.gz cp -r usr/local/xmind/ /usr/local/ cp ...
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92 views

writing mysql output to file in CentOS 7

I am trying to run the following command from inside the mysql command line client in the CentOS terminal: SELECT Concat('TRUNCATE TABLE ',table_schema,'.',TABLE_NAME, ';') FROM ...