Systemd AmbientCapabilities: Unterschied zwischen den Versionen

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Zeile 7: Zeile 7:
 
[Service]
 
[Service]
 
Type=simple
 
Type=simple
ExecStart=/bin/netcat -lp 66
+
ExecStart=/usr/local/bin/prog 9988
StandardOutput=append:/tmp/prog-net.log
 
 
Restart=always
 
Restart=always
User=nobody
+
User=xinux
  
 
[Install]
 
[Install]
Zeile 23: Zeile 22:
 
[Service]
 
[Service]
 
Type=simple
 
Type=simple
ExecStart=/bin/netcat -lp 66
+
ExecStart=/usr/local/bin/prog 99
StandardOutput=append:/tmp/prog-net.log
+
Restart=always
 
AmbientCapabilities=CAP_NET_BIND_SERVICE
 
AmbientCapabilities=CAP_NET_BIND_SERVICE
Restart=always
+
User=xinux
User=nobody
 
  
 
[Install]
 
[Install]
 
WantedBy=default.target
 
WantedBy=default.target
 
</pre>
 
</pre>

Version vom 11. Januar 2023, 12:56 Uhr

Was wollen wir?

  • Einen Socket öffnen unter 1024 mit einem normalen Benutzeraccount
[Unit]
Description=Simple Unit

[Service]
Type=simple
ExecStart=/usr/local/bin/prog 9988
Restart=always
User=xinux

[Install]
WantedBy=default.target

Wie erreichen wie dies?

  • AmbientCapabilities=CAP_NET_BIND_SERVICE fügt diese Fähigkeit hinzu.
[Unit]
Description=Simple Unit

[Service]
Type=simple
ExecStart=/usr/local/bin/prog 99
Restart=always
AmbientCapabilities=CAP_NET_BIND_SERVICE
User=xinux

[Install]
WantedBy=default.target