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prafulbagai /
Last active Mar 26, 2017
secure your CentOS machine
# Script to add a user to Linux system
if [ $(id -u) -eq 0 ]; then
# If user & pass not provided in command line arguments, then ask.
if [[ -z "$1" && -z "$2" ]]; then
read -p "Enter username : " username
read -s -p "Enter password : " password
# file descriptor
# Change 400000 to increase or decrease number of file descriptor
echo "* soft nofile 400000" >> /etc/security/limits.conf
echo "* hard nofile 400000" >> /etc/security/limits.conf
# Changing kernal parameters (modify value if required)
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