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

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How to add Ip Aliases with Two Gateway on same nic Centos

I have 2 allocated address range, example 10.10.12.25/28 10.12.12.24/28 How to add Ip Aliases with Two Gateway on same nic with Centos?
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39 views

module scsi_wait_scan not found on CentOS kernel-ml causes kernel panic on boot

I am attempting to upgrade from kernel-lt to kernel-ml, following the instructions here, however on boot the console is flooded with module "scsi_wait_scan" not found This leads to a general kernel ...
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2answers
203 views

How to find the cpu and memory usage of child processes

Supervisord is running on centos server. If I do ps -e -o %mem,%cpu,cmd | grep supervisord | awk '{memory+=$1;cpu+=$2} END {print memory,cpu}' I get 0 0 just because supervisord is just an ...
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1answer
1k views

How to get CentOS 6.5 gui?

After, I've installed CentOS 6.5, I just have a terminal with a black background and I can't get gui for it. Any recommendations?
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3answers
5k views

Blocking outgoing connects with iptables

I have a (non production) machine where external supporters have shell-access (non-root). I want to prevent them from going further on into our network from that machine using iptables. The "normal" ...
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0answers
85 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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1answer
1k views

“SELinux is preventing /usr/sbin/openvpn from name_bind access on the tcp_socket”

I am configuring an openvpn server on a new centos 6.5. But the main problem is that selinux is blocking openvpn to use the default port tcp 1194. The following is the sealert -a ...
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1answer
25 views

Initialise USB devices before hard disks during grub2 boot

I have a CentOS installation on a portable USB stick, with a grub2 installation on it's first partition. The system can boot when there are no internal hard drives plugged into a machine, but fails if ...
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1answer
33 views

How to install webkitgtk1 on RHEL7

I am running software on RedHat Enterprise Linux 7 which requires libwebkitgtk-1.0. Unfortunately RHEL7 comes only with webkitgtk3. In contrast, RHEL6 had only webkitgtk. Other distributions like ...
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1answer
206 views

Big trouble : rpm empty db, install V3 RSA/SHA1 Signature, key BAD, YumRepo Error

I'm little tired because I have spent hours solving problems, and can't find a solution on Centos 6.6. I have many troubles: rpm db is empty: try googling, find restore process, but always empty ...
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1answer
6k views

-bash: phpize: command not found on Centos 6

When I try to run phpize I get -bash: phpize: command not found I have run yum -y install php-devel but that returns: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * ...
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3answers
204 views

Can't start a ZNC service

I try to start ZNC using the following command service znc start I get this error Starting znc: /usr/bin/dirname: extra operand `2>&1.pid' Try `/usr/bin/dirname --help' for more ...
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1answer
70 views

Can ACLs override file perms on Linux?

I struggled with this problem on FreeBSD recently, but thank God for ZFS which solved it for me there. However I have it again in CentOS with ext4 and don't know if there is an easy way around it (or ...
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2answers
2k views

how to set crontab PATH variable

I had a problem running a script from crontab. After some research I understood the problem was because PATH parameter doesn't include /sbin. I looked what it does include in /etc/crontab: ...
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2answers
46 views

/etc/init/suricata stopping CentOS from booting up

I am using CentOS 6.6. I put this content into /etc/init.d/suricata. I also ran sudo chkconfig suricata on to make suricata run at boot. My problem is that it is now preventing Centos from ...
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1answer
32 views

Single call in .bashrc starting two daemon processes

I am using CentOS 6.6 and would like /OtagoHarbour/executables/inotifydropboxcopy to start as a daemon when I boot the computer and log in. I put the following in ~/.bashrc # User specific aliases ...
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2answers
2k views

New local user can't login to vsftpd

I'm a bit puzzled with this one and could really use some help. We have a CentOS 6 box running VSFTPD as a dropbox for our customers. Each customer gets a local user and is chrooted to their home ...
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3answers
721 views

installing eric5 in CentOS 6.4

I am trying to install Eric Python IDE 5 in my CentOS 6.4. The problem here is even I have installed PyQT4 its again saying that module is missing. what I am supposed to do ? here is the terminal log ...
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1answer
789 views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: ...
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1answer
142 views

Host multiple Linux distros on PXE Server and show these choices to PXE client

PXE Server - CentOS 6.5 64bit Objective - Client should be presented with OS choices in network boot menu - Oracle Linux 6.5, RHEL 7, Ubuntu 14. Upon selection it should proceed with the selected OS ...
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1answer
571 views

Can't yum WINE from repo - No package wine available

I'm trying to install WINE on Centos 5.10 as per some instructions I wrote last year using this instruction: # yum install wine However when run, it can't find any package under that name: # yum ...
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1answer
23 views

“not a valid package archive” when trying to install PHP extension?

I'm running CENTOS 6.6 on a VPS and am trying to install the ZMQ PHP extension and tried installing using the command shown in the instructions: sudo pecl install zmq-beta However, it fails, ...
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1answer
418 views

Centos VFS cannot open root device

Yesterday I did a kernel update on a virtual machine. When I restarted the machine unfortunately I got the error Kernel panic - not syncing VFS After some searching I found out I should go to GRUB ...
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1answer
418 views

Make RPM Satisfy Dependency Requirements of Other Installed Packages

So, I am installing a java app that I wrote which uses jnetpcap. This requires libpcap of at least v1.0.0. My CentOS 5.8 only has libpcap 0.9.4, which is required by other installed packages. I've ...
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1answer
2k views

What caused my CentOS 6.4 box to reboot itself?

I noticed that the MySQL daemon running on my CentOS 6.4 machine was suddenly not running anymore. I checked the MySQL log, but didn't see anything relevant: 121229 22:17:45 mysqld_safe mysqld from ...
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2answers
875 views

Why can't I access to my ftp server with my local user account?

First of all I'm using Centos 6 server, putty and wordpress.org I followed the instructions from this link to set up vsftpd and ftp in centos server. For the vsftpd.conf file, these were the changes ...
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1answer
1k views

How to create a git repo using Nginx?

I've a CentOS 5 server at domain.fr. I am trying to set a subdomain so that I can use it with git : git.domain.fr My repositories are in /home/git (example /home/git/repos.git) I've installed ...
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1answer
1k views

Why FreeRADIUS service won't work on Centos?

I have installed FreeRADIUS server on centos via yum successfully, but I couldn't start radiusd service. when I run as root user and exec the following radiusd -X an error is occurred. [root@userAAA ...
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2answers
33 views

Faillog command on CentOS7

Although EPEL7 has been installed, faillog seems not to be recognized: [vagrant@vm-one ~]$ faillog bash: faillog: command not found... None of the packages seem to contain the faillog command: ...
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2answers
946 views

Create SSL certificate - Silent [closed]

I want to create a SSL certificate without get prompt for the data. The normal way to create the certificate would be: openssl req -x509 -nodes -days 7300 -newkey rsa:2048 -keyout ...
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0answers
60 views

Questions about whiptail and bash functions

I'm a bash newbie. Say I have this script #!/bin/bash function cpp-lang { yum install "Development Tools" } function updatesys { yum -y update yum -y upgrade } whiptail ...
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1answer
30 views

Proper create user account with permissions on CentOS/Apache

I have setup a CentOS VPS to run apache, I am having trouble with permissions when creating an account. I have setup a virtual host host to point a domain to /home/user/public_html <VirtualHost ...
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1answer
31 views

How to install oddjob-mkhomedir repository on AMI box using command line

I'm trying to install oddjob-mkhomedir and it comes back with no package available nothing to do. I used sudo yum install oddjob-mkhomedir so I'm assuming the repository is not available. My ...
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0answers
39 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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3answers
8k views

Centos GUI not working

I installed centos 6.3 Final . But after rebooting it stuck and doesn't show GUI
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1answer
571 views

How to install Desktop Environments on CentOS 7?

I have recently installed CentOS 7(Minimal Install without GUI) and now I want to install a GUI environment in it. How can I install Desktop Environments on previously installed CentOS7 without ...
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2answers
36 views

Locate specific file from script

I've written a script file in which, one function searches for another script and if found, executes that script. Script extract #!/bin/bash ... service_status() { local my_script=`which ...
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1answer
22 views

3 versions of BerkelyDB installed

I have 3 versions of BerkelyDB installed on my server following 2 versions Package db4-4.3.29-10.el5_5.2.x86_64 Package db4-4.3.29-10.el5_5.2.i386 which are included in the Centos 5 Distro and ...
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2answers
869 views

Allow remote MySQL to a specific IP - using CentOS 6.4

I've spent a day now trying to find out how to allow remote MySQL to work for my other virtual server. This is proving very difficult so I'm hoping you guys could help me out ;( I've used the ...
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2answers
66 views

How to map a sata device name to a physical sata interface for RAID systems

I have a system with 10 SATA ports, and another SATA as the boot disk. The 10 SATA ports make up 5 software RAID1 arrays. The RAID disks may be removed between boots, and swapped in with arbitrary ...
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1answer
1k views

Apache fails to start after changing cert and key

The problem appeared after I changed https certificate and key. sudo /etc/init.d/httpd restart shows this: Stopping httpd: [FAILED] Starting httpd: [FAILED] Apache's error_log: [Tue Dec 03 ...
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1answer
46 views

How do I get debug information from rsyslog?

I followed the directions from: http://www.rsyslog.com/doc/debug.html I put the following in /etc/rsyslog.conf: $DebugLevel 2 $DebugFile /root/RSYSLOG.txt then I try: kill -USR1 `cat ...
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0answers
21 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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1answer
77 views

Sendmail stopped sending mails, “did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA”

All mails suddenly stopped sending, here is the maillog: Jan 26 17:02:20 vm2745 sendmail[3544]: My unqualified host name (Centos) unknown; sleeping for retry Jan 26 17:03:20 vm2745 sendmail[3544]: ...
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1answer
45 views

'No such file or directory' when I am trying to format Logical Volume

I am trying to create Logical Volume on CentOS 7 on EC2 instance. After attaching the volume I am creating partition using fdisk, then I am starting the Logical Volume creation: pvcreate /dev/xvda1 ...
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1answer
120 views

Can't Install php-mssql or freetds on Centos7

My goal is to connect to MS SQL Server 2005 using PHP. I have installed PHP and ODBC. I am running CentOS7. PHP Version => 5.4.16 .... (from php -i) .... odbc ODBC Support => enabled I am ...
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1answer
29 views

why my subdomain is not accessible from the Internet?

I am using virtualhost in Centos 6.6. This is my conf file: <VirtualHost *:80> ServerName test.mydomain.ca ServerAlias test.mydomain.ca DocumentRoot ...
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1answer
78 views

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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1answer
3k views

How to remove Oracle Wallet using orapki?

Hi i'm on Centos using oracle 11g And i've created a wallet using : $ orapki wallet create -wallet /u01/app/oracle/admin/DB11G/wallet -pwd WalletPasswd123 -auto_login Now i want to remove it to ...
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1answer
183 views

MySQL service doesn't start

I have a CentOS 6.6, on the system there was a working Mysql and a mysql server already installed and a running mysqld service, but i needed a fresh install, so i did the whole removal through yum, ...