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man: stop recommending modprobe -abq in ExecStartPre=

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This commit is contained in:
Lennart Poettering 2020-01-07 19:00:56 +01:00
parent d5016c21d7
commit 3a827125e7
1 changed files with 8 additions and 3 deletions
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11
man/systemd.resource-control.xml
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@ -720,10 +720,15 @@
<para>Note that whitelists defined this way should only reference device groups which are
resolvable at the time the unit is started. Any device groups not resolvable then are not added to
the device whitelist. In order to work around this limitation, consider extending service units
with an <command>ExecStartPre=/sbin/modprobe…</command> line that loads the necessary
kernel module implementing the device group if missing. Example: <programlisting>…
with a pair of <command>After=modprobe@xyz.service</command> and
<command>Wants=modprobe@xyz.service</command> lines that load the necessary kernel module
implementing the device group if missing.
Example: <programlisting>…
[Unit]
Wants=modprobe@loop.service
After=modprobe@loop.service
[Service]
ExecStartPre=-/sbin/modprobe -abq loop
DeviceAllow=block-loop
DeviceAllow=/dev/loop-control
…</programlisting></para>