26 lines
626 B
Bash
26 lines
626 B
Bash
|
#!/bin/bash
|
||
|
|
|
||
|
|
if [ "$(id -u)" != "0" ]; then
|
||
|
|
echo "This script requires superuser rights. Running with sudo..."
|
||
|
|
exec sudo "$0" "$@"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$1" ]; then
|
||
|
|
echo "Please provide the port as an argument"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
trap 'echo -e "\033[31mSomething went wrong\033[0m"; exit 1' EXIT
|
||
|
|
set -e
|
||
|
|
|
||
|
|
NEW_PORT="$1"
|
||
|
|
SSH_CONFIG_FILE="/etc/ssh/sshd_config"
|
||
|
|
|
||
|
|
echo "Change SSH port to $NEW_PORT..."
|
||
|
|
cp $SSH_CONFIG_FILE $SSH_CONFIG_FILE.bak
|
||
|
|
sed -i "s/^#Port 22/Port $NEW_PORT/" $SSH_CONFIG_FILE
|
||
|
|
sed -i "s/^Port 22/Port $NEW_PORT/" $SSH_CONFIG_FILE
|
||
|
|
systemctl restart sshd
|
||
|
|
|
||
|
|
trap - EXIT
|
||
|
|
echo "SSH port successfully changed to $NEW_PORT."
|