Monthly Archives: September 2012

HOW TO RECOVER UBUNTU PASSWORD

Why would you want to reset a password……….? 1.)   Someone gave you a computer with Ubuntu installed on it but not the password for the user account.2.)   You just installed Ubuntu and forgot what password you selected during the installation

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Posted in Linux

REMOVE 32 bit PACKAGES FROM 64bit(CENTOS)

CentOS follows the upstream source in this respect, and the x86_64 installation by default will install ix86 32-bit packages on a 64-bit installation for compatibility purposes. Many server system administrators (and some desktop users) want a pure 64-bit system and

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Posted in Linux

RPM MANAGEMENT TIPS

REBUILD THE RPM FROM SRPM ============================ The pre-requisite packages required are — [user@linux ~]$yum groupinstall “Development Tools”  [user@linux ~]$yum install yum-utils OR you can install only rpm-build.For CentOS most SRPMs targetted to be rebuilt on CentOS also need certain rpmbuild

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Posted in Linux

BASH SCRIPTING

CREATE INFINITE WHILE LOOP WITH EMPTY EXPRESSION================================================== #!/bin/bash while :do echo “infinite loops [ hit CTRL+C to stop]”done OR #!/bin/bash chekpt=5 while [ “$chekpt” -lt 6 ]do echo “infinite loops [ hit CTRL+C to stop]” done CREATE A FILE WITH

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Posted in shell scripting
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