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