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

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Have CentOS push custom updates to windows 7 clients

Is there anyway do deploy updates for Windows OS desktops, from a custom source? I frequently work on computers, and installing Windows 7 with an OEM disk and waiting for my slow internet connection ...
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22 views

How to reboot OS in KRDC without command?

I cant enter the command because some app are been stucked. Ctrl+Alt+Del exit me into the Windows Logon Screen. Alt+PrtSrn+b reboot myself. What to do?
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184 views

firewall-cmd doesn't work when called through OpenVPN connection, why not?

I recently set up OpenVPN to run on a remote CentOS 7 server. Once I establish an OpenVPN connection to the remote server from my local machine, I am able to ssh through the VPN tunnel with ssh ...
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22 views

How can I configure web server with virtual hosts and serve content using tilde

Have a CentOS Linux release 7.0.1406 (Core) where I have no domain, only the IP I need to configure it so that I can use as web host and serve the content of a directory located in for example ...
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66 views

Modifying SELinux settings to allow for MySQL to run on CentOS7

I'm trying to install MySQL 5.6 on Cent OS 7 with SELinux enabled and am trying to get past the error (in /var/log/audit/audit.log): type=AVC msg=audit(1424111345.853:558): avc: denied { execmem } ...
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22 views

VirtualBox state suddenly SEEMs to have been restored to an earlier time

I have CentOS 7 installed on my Windows 8.1 VirtualBox, and file-system sized 30Gb. It worked fine until this morning, then the storage became full (due to Downloads and Projects). I tried a tool ...
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31 views

Compatibilty of the following softwares

I am a professor (Mechanical Engineering department) at a college which is making the transition from Windows to Linux. However, we are quite unsure whether all the CAE softwares that we use would be ...
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53 views

Printing via Windows Print Sharing (SMB) as AD user

I am in the process of researching a linux distro for my workplace and am currently checking to see if we are able to configure our chosen distro (centos7) to connect to our MFD printers. I am able ...
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166 views

error installing mod_proxy_html: “cpio: rename”

I am trying to install proxy_html module on a centOs 6.x server. I think it is giving me an error - but it also indicates that it completed. Here is the error: error: unpacking of archive failed on ...
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242 views

Grub environment block on Centos 7 with efi?

How do I modify the default or next-boot boot entry for the next reboot on Centos 7? I need to switch back and forth between kernels frequently. The machine is in a different room, so it is most ...
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445 views

No manual entry for man

I'm working in a Centos 6.6 Docker image. I thought I installed everything to get access to man pages, but apparently not... $ yum install -y man man-pages man-pages-overrides [...] Complete! $ ...
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99 views

CentOS rescue mode

After a power outage somehow my server is not finding the boot partition anymore. As far as I read about recovering a CentOS 6.4 I just need to pick "Rescue installed system" option from the boot ...
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71 views

Unable to get kickstart file from locally hosted http

I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided. Code to build vm: ...
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120 views

/installation of CentOS 7 - Anaconda Disappeared

Using VMWare and CentOS-7.0-1406-x86_64-DVD installer. I would like to install CentOS on this virtual machine. I did that successfully few weeks ago. but now, Anaconda screen disappeared so fast ...
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52 views

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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93 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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11 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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77 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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19 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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78 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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25 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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43 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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33 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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56 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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148 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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51 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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137 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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110 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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614 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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32 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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123 views

PgBouncer is running, but cannot connect

PgBouncer started using pgbouncer -d -v pgbouncer.ini. pgbouncer.log file: Actually, every line in this file begins with a date/time stamp of 2015-01-19 11:37:46.415 (first 7 lines) or 2015-01-19 ...
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152 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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248 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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89 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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95 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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113 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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21 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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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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74 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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105 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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67 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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19 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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119 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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60 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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55 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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988 views

CentOS 7 add new user with root privileges

I am reading this tutorial, and trying to create a new user with root privileges and then block root access via ssh in a CentOS 7 server. The problem is that the new user is blocked from doing root ...
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1k 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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1k 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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53 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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33 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 ...