- When managing user permissions, a user might set a permission wrong and lose access when using their main administrator account. Regaining access can be done in a few steps.
- global security needs to be changed, unable to login as administrator
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- Jenkins LTS
1) Stop Jenkins
2) Edit the config.xml file in the
JENKINS_HOME folder and locate this line:
`<useSecurity>true</useSecurity>` Set the value to `false`
3) Start Jenkins
4) If you don’t know your
admin password when using
Jenkins’ own user database for your
Security Realm, go to:
``` JENKINS_URL/user/admin/configure ``` to set the new `admin` password.
5) Now go to
Manage Jenkins ->
Configure Global Security and choose your
Security Realm and
Authorization settings to re-enable security.
Note: an alternative to step 2 is to restore a known good configuration of
JENKINS_HOME/config.xml from a backup that was taken immediately before the
Configure Global Security changes were done that caused the issue. We recommmend you do a
diff of the current content of
JENKINS_HOME/config.xml and the version from the backup before you replace it, to ensure you understand what you are reverting.