mirror of
https://github.com/fleetdm/fleet
synced 2026-05-24 09:28:54 +00:00
40 lines
1 KiB
Bash
40 lines
1 KiB
Bash
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#!/bin/bash
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# Get the serial number of the host
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serial_number=""
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for serial_path in /sys/class/dmi/id/product_serial /sys/class/dmi/id/board_serial; do
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if [ -r "$serial_path" ]; then
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candidate=$(tr -d '\n' < "$serial_path")
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if [ -n "$candidate" ]; then
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serial_number="$candidate"
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break
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fi
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fi
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done
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# Check if the serial number was retrieved successfully
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if [ -z "$serial_number" ]; then
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echo "Error: Could not retrieve the serial number."
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exit 1
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fi
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# Define the new hostname
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new_hostname="COMPANY-LNX-$serial_number"
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# Capture old hostname before changing it
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old_hostname="$(hostname)"
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# Set the new hostname
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sudo hostnamectl set-hostname "$new_hostname"
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# Update the /etc/hosts file to reflect the new hostname
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tmp_hosts="$(mktemp)"
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awk -v old="$old_hostname" -v new="$new_hostname" '{
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for (i = 1; i <= NF; i++) if ($i == old) $i = new
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print
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}' /etc/hosts > "$tmp_hosts"
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sudo cp "$tmp_hosts" /etc/hosts
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rm -f "$tmp_hosts"
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echo "Hostname updated to $new_hostname"
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