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CentOS and RHEL 7 Restart, Stop, Start Networking Commands

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I recently installed CentOS Linux version 7 or Red Hat Enterprise Linux version 7. How can I restart networking service using command line options?...

UNIX Date Command Examples

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How do I view and set date under UNIX operating systems?The date command under UNIX display date. It is also used to set date...

Display Hard Disk Specs and Details on Linux

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Linux comes with various commands to find out information about your hard drive. I recommend hdparm command which provides a command line interface to...

HowTo Run a Script In Linux

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How do I run a Linux shell script? How can I run a script in Linux?By default script will not run. You need to...

11 useful commands for Linux/Unix administrators

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Command line is more powerful because you can do  lot with them,  you can tell your computer exactly what you want and get the appropriate answer,...

Avoiding CPU Speed Scaling – Running CPU At Full Speed

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If you have a server on collocation with the super-fast CPU, that doesn't mean that you get it running at full power.Here is a...

How to install cron (crond, crontab) in CentOS

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Cron is a daemon that can be used to schedule the execution of recurring tasks according to a combination of the time, day of...

Patch and Protect Linux Kernel Zero Day Vulnerability CVE-2016-0728 [ Jan/19/2016...

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very serious security problem has been found in the Linux kernel. A 0-day local privilege escalation vulnerability has existed since 2012. This bug affects...

How to install Nagios on CentOS 5 or 6

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IntroductionThis guide is intended to provide you with simple instructions on how to install Nagios from source (code) on CentOS and have it monitoring...

Enabling SNMP On CentOS / RHEL

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Setting up SNMP (Simple Network Management Protocol) on a CentOS machine is a very quick and easy process. First we will install SNMP itself by...