Tag Archives: hostname

How to change the hostname in RHEL7

Posted on September 2, 2015 by SoCRaT

At last, Red Hat has decided to act like other distros to change the hostname of the server in Red Hat Enterprise Linux 7. In older Red Hat releases, changing the hostname required modifying the  “/etc/sysconfig/network” configuration file and edit … Continue reading →

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How to change your hostname in Ubuntu without restarting

Posted on March 11, 2013 by SoCRaT

Replace your old hostname in the /etc/hostname file with the new one: “sudo vi /etc/hostname” Replace your old hostname beside the 127.0.0.1 in the /etc/hosts file Run the following “sudo service hostname start” Exit the terminal and open a new … Continue reading →

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How to change hostname in Redhat & Oracle Linux

Posted on October 24, 2012 by SoCRaT

As user “root” “vi /etc/sysconfig/network”, change HOSTNAME value to the new hostname “hostname NEW_HOST_NAME” to change it for the current sessions “vi /etc/hosts”, change the old value to point to the new hostname “service network restart” to restart the networking … Continue reading →

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Resolve Hostname on AIX

Posted on May 19, 2011 by SoCRaT

host “hostname” e.g. host “myhost” Output: myhost is 10.11.212.134,  Aliases:   wkms2

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Change your hostname randomly in Ubuntu

Posted on December 28, 2009 by SoCRaT

The following script worked great: #!/bin/bash #random_computer_name sudo sed -i 1,10d /etc/hostname function randnum{number=$[ ( $RANDOM % 15 ) + 8 ]} randnum function randpass{newhostname=`} randpass (echo ‘0a’; echo $newhostname; echo ‘.’; echo ‘wq’) | sudo ed -s /etc/hostname sudo … Continue reading →

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