Add note about SYS_TIME capability for Docker. (prometheus#1001)

Signed-off-by: Ben Kochie <superq@gmail.com>
shatteredsilicon · Apr 9, 2024 · ddecb0b · ddecb0b
1 parent dbdb4b4
commit ddecb0b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -179,6 +179,9 @@ docker run -d \
   quay.io/prometheus/node-exporter
 ```
 
+On some systems, the `timex` collector requires an additional Docker flag,
+`--cap-add=SYS_TIME`, in order to access the required syscalls.
+
 ## Using a third-party repository for RHEL/CentOS/Fedora
 
 There is a [community-supplied COPR repository](https://copr.fedorainfracloud.org/coprs/ibotty/prometheus-exporters/). It closely follows upstream releases.