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Posts Tagged ‘ Red Hat ’

Firewall editing script

September 6th, 2009
Posted in Linux . Tech

Ok, here’s a wee script I threw together to help myself and any other sys admins who have to make a lot of edits to the iptables firewall in Red Hat / CentOS. It basically opens up the /etc/sysconfig/iptables file to allow you to make your edit(s) and then when you close the editor, it’ll [ READ MORE ]

HOWTO: Convert from RHEL 5.3 to CENTOS 5.3

August 28th, 2009
Posted in Linux . Tech

This is actually a lot more simple than I was expecting. Recently our RHEL subscription for a backup server expired and couldn’t really justify the cost to renew it, so I decided to convert it to a CentOS installation by doing the below: yum clean all mkdir /usr/src/centos cd /usr/src/centos wget http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 wget http://mirror.centos.org/centos/5/os/i386/CentOS/centos-release-5-3.el5.centos.1.i386.rpm wget [ READ MORE ]

Certification exams and the like…

July 5th, 2009
Posted in Life . Linux

Ok, so just this past week I think I’ve gone a bit crazy with the certification exam bookings. I booked myself in for two linux certifications which I was due to take yesterday. I say “due” because when I actually got to the place where the exam was meant to be “Professional Computer College, 85-89 [ READ MORE ]

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$do || ! $do ; try
try: command not found

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