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[Unit]
Description=borgmatic backup
Wants=network-online.target
After=network-online.target
# Prevent borgmatic from running unless the machine is plugged into power. Remove this line if you
# want to allow borgmatic to run anytime.
ConditionACPower=true
ConditionFileNotEmpty=/home/rak/.config/borgmatic/%I.yaml
Documentation=https://torsion.org/borgmatic/
[Service]
Type=oneshot
# Security settings for systemd running as root, optional but recommended to improve security. You
# can disable individual settings if they cause problems for your use case. For more details, see
# the systemd manual: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
LockPersonality=true
# Certain borgmatic features like Healthchecks integration need MemoryDenyWriteExecute to be off.
# But you can try setting it to "yes" for improved security if you don't use those features.
MemoryDenyWriteExecute=no
NoNewPrivileges=yes
PrivateDevices=yes
PrivateTmp=yes
ProtectClock=yes
ProtectControlGroups=yes
ProtectHostname=yes
ProtectKernelLogs=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
SystemCallArchitectures=native
SystemCallFilter=@system-service
SystemCallErrorNumber=EPERM
# To restrict write access further, change "ProtectSystem" to "strict" and
# uncomment "ReadWritePaths", "TemporaryFileSystem", "BindPaths" and
# "BindReadOnlyPaths". Then add any local repository paths to the list of
# "ReadWritePaths". This leaves most of the filesystem read-only to borgmatic.
ProtectSystem=full
# ReadWritePaths=-/mnt/my_backup_drive
# This will mount a tmpfs on top of /root and pass through needed paths
# TemporaryFileSystem=/root:ro
# BindPaths=-/root/.cache/borg -/root/.config/borg -/root/.borgmatic
# BindReadOnlyPaths=-/root/.ssh
# May interfere with running external programs within borgmatic hooks.
CapabilityBoundingSet=CAP_DAC_READ_SEARCH CAP_NET_RAW
# Lower CPU and I/O priority.
Nice=19
CPUSchedulingPolicy=batch
IOSchedulingClass=best-effort
IOSchedulingPriority=7
IOWeight=100
Restart=no
# Prevent rate limiting of borgmatic log events. If you are using an older version of systemd that
# doesn't support this (pre-240 or so), you may have to remove this option.
LogRateLimitIntervalSec=0
# Delay start to prevent backups running during boot. Note that systemd-inhibit requires dbus and
# dbus-user-session to be installed.
ExecStartPre=sleep 1m
ExecStart=systemd-inhibit --who="borgmatic" --what="sleep:shutdown" --why="Prevent interrupting scheduled backup" /usr/bin/borgmatic --verbosity -2 --syslog-verbosity 1 -c ${HOME}/.config/borgmatic/%I.yaml
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