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author | Kai Lueke <kailuke@microsoft.com> | 2022-07-22 15:09:21 +0200 |
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committer | Kai Lueke <kailuke@microsoft.com> | 2022-07-22 15:09:21 +0200 |
commit | 519c2f0d6b343d140f7e08e3eb0f46708c023b4a (patch) | |
tree | 18d3797f39bd6aebda5e7c88f554b13d43c77118 /man/systemd-sysext.xml | |
parent | 566e4b3a19e8cba2fee588b101560269b8dae033 (diff) | |
download | systemd-519c2f0d6b343d140f7e08e3eb0f46708c023b4a.tar.gz |
man: Document mask workaround for sysext images
A read-only /usr may ship a sysext image by default and the user wants
to opt out. Currently it's not clear how to do this.
Document that a /dev/null symlink in /etc/extensions/ works to "mask" a
sysext image in a folder with lower precedence.
Diffstat (limited to 'man/systemd-sysext.xml')
-rw-r--r-- | man/systemd-sysext.xml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/man/systemd-sysext.xml b/man/systemd-sysext.xml index d7f5d2f37f..42e8e12df9 100644 --- a/man/systemd-sysext.xml +++ b/man/systemd-sysext.xml @@ -108,7 +108,9 @@ accessed.</para> <para>Note that there is no concept of enabling/disabling installed system extension images: all - installed extension images are automatically activated at boot.</para> + installed extension images are automatically activated at boot. However, you can place a symlink + to <filename>/dev/null</filename> in <filename>/etc/extensions/</filename> to "mask" an image with + the same name in a folder with lower precedence.</para> <para>A simple mechanism for version compatibility is enforced: a system extension image must carry a <filename>/usr/lib/extension-release.d/extension-release.<replaceable>$name</replaceable></filename> |