diff options
Diffstat (limited to 'hook/hostname')
| -rw-r--r-- | hook/hostname | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hook/hostname b/hook/hostname new file mode 100644 index 0000000..6421987 --- /dev/null +++ b/hook/hostname @@ -0,0 +1,17 @@ +#!/bin/sh + +run_latehook() { + local newroot="/new_root/" + if [[ -n "${hostname}" ]]; then + msg ":: Setting hostname for main system to '${hostname}'..." + elif [[ -e /sys/class/dmi/id/product_uuid ]]; then + msg ":: Setting hostname to first bits of product uuid..." + hostname="$(cut -d- -f1 < /sys/class/dmi/id/product_uuid)" + else + msg ":: Setting hostname to random string..." + hostname="$(cut -d- -f1 < /proc/sys/kernel/random/boot_id)" + fi + + echo -n "${hostname}" > "${newroot}/etc/hostname" + sed -i "/^127.0.0.1/s/$/\t${hostname}/" "${newroot}/etc/hosts" +} |