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Add note on sysconfig shell variables for Systemd to the Upgrading docs 

refs #6434
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Michael Friedrich 2018-07-16 14:22:07 +02:00
parent 03bc24876d
commit bf4a83819e
1 changed files with 19 additions and 0 deletions
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doc/16-upgrading-icinga-2.md
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@ -24,6 +24,25 @@ numerous false-positive log messages and led to many support questions. v2.9.0
changes this in the standard way to read these variables from the environment, and use
sane compile-time defaults.
> **Note**
>
> In order to upgrade, remove everything in the sysconfig file and re-apply
> your changes.
There is a bug with existing sysconfig files where path variables are not expanded
because Systemd [does not support](https://github.com/systemd/systemd/issues/2123)
shell variable expansion. This worked with SysVInit though.
Edit the sysconfig file and either remove everything, or edit this line
on RHEL 7. Modify the path for other distributions.
```
vim /etc/sysconfig/icinga2
-ICINGA2_PID_FILE=$ICINGA2_RUN_DIR/icinga2/icinga2.pid
+ICINGA2_PID_FILE=/run/icinga2/icinga2.pid
```
If you want to adjust the number of open files for the Icinga application
for example, you would just add this setting like this on RHEL 7: