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ConfigServer Firewall : Error starting CSF /sbin/ifconfig (ifconfig binary location) -v...

Having such issue starting/stopping CSF on RHEL/CentOS 7?# csf -x *WARNING* URLGET set to use LWP but perl module is not installed, reverting to HTTP::Tiny You...

Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update!

If you’re updating nagios, and/or you are trying to reschedule checks manually, and you get the error below: Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’...

How to install cron (crond, crontab)

Are you looking for crontab on a new install of CentOS 5? Well if you do a custom installation and don’t select anything then...

How To Create A RAID-1 Setup On A CentOS/RedHat 6.0 Server

 This tutorial is for turning a single disk CentOS 6 system into a two disk RAID1 system. The GRUB bootloader will be configured in...

Linux Centos 6 Change Server Hostname

I am a new CentOS Linux server user. How do I change hostname on CentOS Linux? How can I change server hostname on CentOS Linux...

Installing Plex Media Server on Centos 6

Plex Media Server is a user-friendly way to store all your movies, shows, and other media in one place–and make it accessible from any device,...

ConfigServer Firewall : Binary location for [/usr/bin/host] in csf.conf is either...

The following error may occur while reloading CSF (csf -r) : *WARNING* Binary location for in /etc/csf/csf.conf is either incorrect, is not installed...

Linux / UNIX: Create Large 1GB Binary Image File With dd...

How do I create 1 GB or 10 GB image file instantly with dd command under UNIX / Linux / BSD operating systems using...

CentOS: yum Command Reinstall Package

How do I re-install a package using the yum command under CentOS Linux server?You can use the yum command with the reinstall option. This will reinstall the identical versioned package...

Nginx Redirect URL With HTTP/1.1 301 Moved Permanently Header

How do I redirect old ugly urls such as http://example.com/store/view.jsp?product=foo with clean url - http://example.com/store/view/product/foo using nginx reverse proxy?You need to use HttpRewriteModule under...