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man: note that cgroup-based sandboxing is not bypassed by '+'
DeviceAllow= and others are applied to the whole cgroup via bpf, so using '+' on an Exec line will not bypass them. Explain this in the manpage. Fixes systemd#26035
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<?xml version="1.0"?> | ||
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"> | ||
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<!-- | ||
SPDX-License-Identifier: LGPL-2.1-or-later | ||
--> | ||
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<refsect1> | ||
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<para id="singular">This option cannot be bypassed by prefixing <literal>+</literal> to the executable path | ||
in the service unit, as it applies to the whole cgroup.</para> | ||
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<para id="plural">These options cannot be bypassed by prefixing <literal>+</literal> to the executable path | ||
in the service unit, as it applies to the whole cgroup.</para> | ||
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</refsect1> |
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