adduser --system mautrix-whatsapp --home /var/lib/coredns
/etc/systemd/system/coredns.service: [Unit] Description=CoreDNS DNS server Documentation=https://coredns.io After=network.target
[Service] PermissionsStartOnly=true LimitNOFILE=1048576 LimitNPROC=512 CapabilityBoundingSet=CAP_NET_BIND_SERVICE AmbientCapabilities=CAP_NET_BIND_SERVICE NoNewPrivileges=true User=coredns WorkingDirectory=/var/lib/coredns ExecStart=/usr/local/bin/coredns -conf=/etc/coredns/Corefile ExecReload=/bin/kill -SIGUSR1 $MAINPID Restart=on-failure StandardOutput=append:/var/log/coredns.log StandardError=append:/var/log/coredns.err.log
[Install] WantedBy=multi-user.target
wget ... mv coredns /usr/local/bin/