50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Update and restart the system
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# Copyright 2021-2025 Bryan C. Roessler
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# Licensed under the Apache License, Version 2.0
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p="${BASH_SOURCE[0]%/*}"; [[ -r $p/script-functions ]] && . "$p"/script-functions || exit 1
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is_root
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[[ $# -eq 0 ]] && time='*-*-* 01:30:00' # 1:30AM
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[[ $# -gt 1 ]] && time="$*"
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script-system-update
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ask_ok "Set a scheduled reboot for $time?" || exit 1
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cat <<- EOF > "/usr/lib/systemd/system/scheduled-reboot.timer"
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[Unit]
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Description=Scheduled reboot
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[Timer]
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OnCalendar=$time
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Unit=reboot.target
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[Install]
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WantedBy=timers.target
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EOF
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systemctl daemon-reload
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systemctl start scheduled-reboot.timer
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# Current date
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dt=$(date '+%d/%m/%Y %H:%M:%S');
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msg_part1="System restart scheduled for $time."
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msg_part2="The current time is $dt."
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msg_part3="Make sure all changes are saved."
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message="$msg_part1 $msg_part2 $msg_part3"
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# Graphical notification
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IFS=$'\n'
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for LINE in $(w -hs); do
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USER=$(echo "$LINE" | awk '{print $1}')
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USER_ID=$(id -u "$USER")
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DISP_ID=$(echo "$LINE" | awk '{print $8}')
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sudo -u "$USER" DISPLAY="$DISP_ID" DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/"$USER_ID"/bus notify-send "$message" --icon=dialog-warning
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done
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# Wall notification
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wall -n "$message"
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