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Last active February 27, 2025 10:16
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Aria2c systemd service
continue
dir=/var/www/downloads
file-allocation=falloc
max-connection-per-server=4
max-concurrent-downloads=2
max-overall-download-limit=0
min-split-size=25M
rpc-allow-origin-all=true
rpc-secret=YouShouldChangeThis
input-file=/var/tmp/aria2c.session
save-session=/var/tmp/aria2c.session
# Override or Change User and Group per your local environment
[Unit]
Description=Aria2c download manager
After=network.target
[Service]
Type=simple
User=www-data
Group=www-data
ExecStartPre=/usr/bin/env touch /var/tmp/aria2c.session
ExecStart=/usr/bin/aria2c --console-log-level=warn --enable-rpc --rpc-listen-all --conf-path=/etc/aria2.daemon
TimeoutStopSec=20
Restart=on-failure
[Install]
WantedBy=multi-user.target
@RuofengX
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@tazihad if you're going to use it as a user service, change --conf-path in ExecStart to the path where aria2.daemon will be.

Systemd User Service cannot contain neither User= or Group= line,
otherwise it could result error like
"aria2.service: Failed to determine supplementary groups: Operation not permitted"

I just google this bug for hours, before realizing that user service cannot use any group (even user itselves' group).

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