Merge pull request #3455 from pi-hole/tweak/FTL_niceness

Add CAP_SYS_NICE to FTL's capabilities

advanced/Templates/pihole-FTL.service

@@ -50,7 +50,7 @@ start() {
     chmod 0644 /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port /var/log/pihole.log
     # Chown database files to the user FTL runs as. We ignore errors as the files may not (yet) exist
     chown pihole:pihole /etc/pihole/pihole-FTL.db /etc/pihole/gravity.db 2> /dev/null
-    if setcap CAP_NET_BIND_SERVICE,CAP_NET_RAW,CAP_NET_ADMIN+eip "$(which pihole-FTL)"; then
+    if setcap CAP_NET_BIND_SERVICE,CAP_NET_RAW,CAP_NET_ADMIN,CAP_SYS_NICE+eip "$(which pihole-FTL)"; then
       su -s /bin/sh -c "/usr/bin/pihole-FTL" "$FTLUSER"
     else
       echo "Warning: Starting pihole-FTL as root because setting capabilities is not supported on this system"