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oldname=$(cat /etc/hostname)

#newname=$1

 

# You'll need to test that the new name exists here, and exit gracefully if it does not.

echo "Please Enter a new hostname"

read newname

echo $newname > /etc/hostname  #hostname "$newname"

echo "Hostname changed from $oldname to $newname"

 

cat /etc/hosts | sed s/"$oldname"/"$newname"/ > /tmp/newhosts

mv /tmp/newhosts /etc/hosts

echo "The /etc/hosts file has been changed"

 

echo "Don't forget to logout and log back in before your X server crashes..."