2026-10-02 11:48:19 +01:00
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[Unit]
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Description=tsunagi mesh agent
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Documentation=https://github.com/Ultradesu/tsunagi
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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2026-10-02 13:46:27 +01:00
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# Runs as a dedicated unprivileged user, not root. The two capabilities are all
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# it needs: CAP_NET_ADMIN to create and configure the TUN interface, and
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# CAP_NET_BIND_SERVICE for low ports. The packages create the `tsunagi` user.
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User=tsunagi
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Group=tsunagi
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AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE
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CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE
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# systemd creates and owns these for the service user, and the agent is pointed
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# at them: state in /var/lib/tsunagi, cache in /var/cache/tsunagi, and the
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# control socket in /run/tsunagi, which stays private to the service user.
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StateDirectory=tsunagi
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StateDirectoryMode=0700
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CacheDirectory=tsunagi
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RuntimeDirectory=tsunagi
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RuntimeDirectoryMode=0755
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Environment=TSUNAGI_STATE_DIR=%S/tsunagi
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Environment=TSUNAGI_CACHE_DIR=%C/tsunagi
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Environment=TSUNAGI_CONTROL_SOCKET=%t/tsunagi/agent.sock
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# The tarball installer puts the binary here; the deb and the Arch package
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# rewrite this to /usr/bin where they install it.
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2026-10-02 11:48:19 +01:00
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ExecStart=/usr/local/bin/tsunagi up
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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