literate-dotfiles/systemd.org

systemd services and timers

• bukugit - Automatic commit and push new bookmarks
  • Service
  • Timer
  • Script
• braingit - Automatic commit and push new brain pages
  • Service
  • Timer
  • Script
• checkmail - Check new mails
  • Service
  • Timer
  • Script
• syncmail - Synchronize all mails
  • Service
  • Timer
• vdirsyncer - Synchronize calendar and contacts
  • Service
  • Timer
• ssh-agent - SSH Agent
  • Service
• powertop - Powertop
  • Service
• emacs - Emacs
  • Service

https://www.digitalocean.com/community/tutorials/how-to-use-systemctl-to-manage-systemd-services-and-units

bukugit - Automatic commit and push new bookmarks

Service

[Unit]
Description=Sync Bookmarks every day
RefuseManualStart=no
RefuseManualStop=yes

[Service]
Type=oneshot
ExecStart=%h/.local/bin/buku_git_push

Timer

[Unit]
Description=Sync All Mails every x hours
RefuseManualStart=no
RefuseManualStop=no
Wants=network-online.target
After=network-online.target

[Timer]
OnCalendar=*-*-* 16:00:00
Persistent=true
Unit=bukugit.service

[Install]
WantedBy=default.target

Script

cd ~/.local/share/buku/

if [[ ! -z $(git status -s bookmarks.db) ]]
then
    rm bookmarks.org;
    buku -e bookmarks.org && \
        cat header.org bookmarks.org > index.org && \
        emacs index.org --batch -f org-html-export-to-html --kill && \
        git add index.html

    git add bookmarks.db && \
        git commit -m "Changed bookmarks - $(date +%F)" && \
        git push
    exit
fi

braingit - Automatic commit and push new brain pages

Service

[Unit]
Description=Sync Brain Website everyday
RefuseManualStart=no
RefuseManualStop=yes

[Service]
Type=oneshot
ExecStart=%h/.local/bin/brain_git_push

Timer

[Unit]
Description=Sync Brain Website everyday
RefuseManualStart=no
RefuseManualStop=no
Wants=network-online.target
After=network-online.target

[Timer]
OnCalendar=*-*-* 16:00:00
Persistent=true
Unit=braingit.service

[Install]
WantedBy=default.target

Script

cd ~/Cloud/brain-website/

if [[ ! -z $(git status -s content/) ]]
then
    git add content static && \
        git commit -m "Update Content - $(date +%F)" && \
        git push
    exit
fi

checkmail - Check new mails

Service

[Unit]
Description=Check new mails
RefuseManualStart=no
RefuseManualStop=yes

[Service]
Type=oneshot
ExecStart=%h/.local/bin/checkmail -q

Timer

[Unit]
Description=Check Mail every x minutes
RefuseManualStart=no
RefuseManualStop=no
Wants=network-online.target
After=network-online.target
Requires=checkmail.service

[Timer]
Persistent=false
OnBootSec=2min
OnUnitActiveSec=5min
AccuracySec=2min
Unit=checkmail.service

[Install]
WantedBy=default.target

Script

while [ -n "$1" ]; do # while loop starts
    case "$1" in
    -a) opt_all='--all' ;; # Check All inboxes
    -v) opt_verbose='--verbose' ;; # Verbose
    -q) opt_quiet='--quiet' ;; # Quiet
    ,*) echo "Option $1 not recognized" ;; # In case you typed a different option
    esac
    shift
done


# =============================================================
# Count number of mails
gmail_old="$(ls ~/.mail/gmail/Inbox/new | wc -l)"
esrf_old="$(ls ~/.mail/esrf/Inbox/new | wc -l)"
ulg_old="$(ls ~/.mail/ulg/Inbox/new | wc -l)"
uliege_old="$(ls ~/.mail/uliege/Inbox/new | wc -l)"
# =============================================================

# =============================================================
# Retreive mails
mbsync $opt_all $opt_verbose gmail-Home esrf-Home ulg-Home uliege-Home 2>/tmp/mbsync.log
# =============================================================

# =============================================================
# Count number of mails
gmail_new="$(ls ~/.mail/gmail/Inbox/new | wc -l)"
esrf_new="$(ls ~/.mail/esrf/Inbox/new | wc -l)"
ulg_new="$(ls ~/.mail/ulg/Inbox/new | wc -l)"
uliege_new="$(ls ~/.mail/uliege/Inbox/new | wc -l)"
# =============================================================

# =============================================================
# Total Number of new mails since last checking
new="$(($gmail_new+$esrf_new+$ulg_new+$uliege_new))"
old="$(($gmail_old+$esrf_old+$ulg_old+$uliege_old))"
# =============================================================

# =============================================================
# Notification
if [ "$new" -gt 0 ]; then
  dunstify --replace=98465 'Mails ' "$(($gmail_new+$esrf_new+$ulg_new+$uliege_new)) new mail(s)"
fi
# =============================================================

# =============================================================
# Indexation and Tags
if pgrep -f 'mu server'; then
    emacsclient --eval '(mu4e-update-index)'
else
    mu index $opt_verbose $opt_quiet
fi
# =============================================================

syncmail - Synchronize all mails

Service

[Unit]
Description=Sync all mails
RefuseManualStart=no
RefuseManualStop=yes

[Service]
Type=oneshot
ExecStart=%h/.local/bin/checkmail -a -q

Timer

[Unit]
Description=Sync All Mails every x hours
RefuseManualStart=no
RefuseManualStop=no
Wants=network-online.target
After=network-online.target
Requires=syncmail.service

[Timer]
Persistent=false
OnBootSec=30min
OnUnitActiveSec=300min
AccuracySec=10min
Unit=syncmail.service

[Install]
WantedBy=default.target

vdirsyncer - Synchronize calendar and contacts

Service

[Unit]
Description=Synchronize calendars and contacts
Documentation=https://vdirsyncer.readthedocs.org/
Wants=network-online.target
After=network-online.target

[Service]
ExecStart=/usr/bin/vdirsyncer --verbosity "ERROR" sync
Type=oneshot

Timer

[Unit]
Description=Synchronize vdirs

[Timer]
OnBootSec=5m
OnUnitActiveSec=15m
AccuracySec=5m

[Install]
WantedBy=timers.target

ssh-agent - SSH Agent

Service

[Unit]
Description=SSH key agent

[Service]
Type=simple
Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
ExecStart=/usr/bin/ssh-agent -D -a $SSH_AUTH_SOCK

[Install]
WantedBy=default.target

powertop - Powertop

Service

[Unit]
Description=Powertop tunings

[Service]
ExecStart=/usr/bin/powertop --auto-tune
RemainAfterExit=true

[Install]
WantedBy=multi-user.target

emacs - Emacs

Service

[Unit]
Description=Emacs text editor
Documentation=info:emacs man:emacs(1) https://gnu.org/software/emacs/

[Service]
Type=simple
ExecStart=/usr/bin/emacs --fg-daemon
ExecStop=/usr/bin/emacsclient --eval "(kill-emacs)"
Environment=SSH_AUTH_SOCK=%t/keyring/ssh
Restart=on-failure

[Install]
WantedBy=default.target