By default, when you login to a Linux machine, it tells you the Linux distribution name, version, kernel version, and the name of the server. This is giving away too much info. We’d rather just prompt users with a “Login:” prompt.
To do this, edit the rc.local file (vi /etc/rc.local) and place “#” in front of the following lines as shown:
–
# This will overwrite /etc/issue at every boot. So, make any changes you
# want to make to /etc/issue here or you will lose them when you reboot.
#echo “” > /etc/issue
#echo “$R” >> /etc/issue
#echo “Kernel $(uname -r) on $a $(uname -m)” >> /etc/issue
##cp -f /etc/issue /etc/issue.net
#echo >> /etc/issue
Then, remove the following files: issue.net and issue under /etc/ directory:
# rm -f /etc/issue
# rm -f /etc/issue.net
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