RHEL GNU/Linux

15th May2012

રેડ હેટ લિનક્સ ગુજરાતી મા..

રેડહેટ લિનક્સ એક કોમર્શિયલ ઓપન સોર્સ ઓપરેટીંગ સિસ્ટમ છે જેમા લિનક્સ કરનલ અને ગ્નૂ ના સોફ્ટવેર નો સમાવેશ કર્યો છે. સેન્ટઓસ લિનક્સ રેડહેટ નુ કલોન છે.

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01st May2012

CentOS is a Fork / Clone of RHEL ( RedHat Enterprise Linux), Basically RHEL is a Linux Distribution Under GNU GPL License but not free. So CentOS is a project to provide Enterprise Linux Free of cost. There is no more technical difference between RHEL and CentOS. If you want to install RHEL, you must [...]

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01st May2012

Firewall Tui Script for RHEL6 CEntOS6

system-config-firewall-tui is a text user interface script for managin iptables rules. Example : Installation : #yum install system-config-firewall-tui Text ——x——x——-x——-x— Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: mirror.sunnyvision.com * extras: mirror.sunnyvision.com * rpmforge: apt.sw.be * … Continue reading →

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01st May2012

GNU sed Utility for text manipulation

Sed is a Great utility for Sysadmin. If you are a sysadmin and want to remove #’d / Commented lines from config file, This example will help you from removing hashed / Commented Lines from config file. Example : sed '/ *#/d; /^ *$/d' /sourcefile >/destfile We are removing Commented lines from /etc/exampled.conf sed [...]

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01st May2012

What is GNU

GNU is a Free and Open Source Unix Like Operating System which is using Linux Kernel. In other words Linux Operating system is not only “Linux Operating System”, Linux is a small piece of software (Kernel) which is a heart of Operating System. But it is a kernel Only. Other Operating System Stack (programs) Are [...]

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01st May2012