customHostname.md

How to custom Hostname

$ sudo ./customHostname.sh myHostname myDomain myIP

Sample

$ sudo ./customHostname.sh vito remibarbe.fr 45.132.12.35

Authors

Rémi Barbe (Remiii)

customHostname.sh

#!/bin/bash

if [ ${#} == 3 ] 
then

    echo "Updating..."

    MY_HOSTNAME=${1}
    MY_DOMAIN=${2}
    MY_IP=${3}

    echo "Hostname: "${MY_HOSTNAME}
    echo "DOMAIN: "${MY_DOMAIN}
    echo "IP: "${MY_DOMAIN}

    # Set the hostname
    sudo hostname ${MY_HOSTNAME}
    sudo echo ${MY_HOSTNAME} > /etc/hostname

    # Add fqdn to hosts file
    sudo cat<<EOF > /etc/hosts
# This file is automatically genreated by customHostname.sh script
127.0.0.1 localhost
${MY_IP} ${MY_HOSTNAME}.${MY_DOMAIN} ${MY_HOSTNAME}

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
EOF

else

    echo "Bad number of arguments"

fi