Add systemd service for backlightd

Author: ShellCode33

backlightd.service

@@ -0,0 +1,28 @@
+[Unit]
+Description=A backlight daemon that allows you to manage the backlight of all kinds of monitors
+
+[Service]
+Type=simple
+Restart=always
+ExecStart=/usr/bin/backlightd
+ProtectSystem=strict
+ProtectHome=tmpfs
+PrivateTmp=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+MemoryDenyWriteExecute=true
+RestrictAddressFamilies=AF_UNIX
+SocketBindDeny=ipv4:tcp
+SocketBindDeny=ipv4:udp
+SocketBindDeny=ipv6:tcp
+SocketBindDeny=ipv6:udp
+LockPersonality=true
+RestrictRealtime=true
+ProtectClock=true
+CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_BPF CAP_CHOWN CAP_MKNOD CAP_NET_RAW CAP_PERFMON CAP_SYS_BOOT CAP_SYS_CHROOT CAP_SYS_MODULE CAP_SYS_NICE CAP_SYS_PACCT CAP_SYS_PTRACE CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM
+SystemCallFilter=~@aio:EPERM @chown:EPERM @clock:EPERM @cpu-emulation:EPERM @debug:EPERM @ipc:EPERM @keyring:EPERM @memlock:EPERM @module:EPERM @mount:EPERM @obsolete:EPERM @pkey:EPERM @privileged:EPERM @raw-io:EPERM @reboot:EPERM @resources:EPERM @sandbox:EPERM @setuid:EPERM @swap:EPERM @sync:EPERM @timer:EPERM
+
+[Install]
+WantedBy=multi-user.target