Applicable to:
- Plesk Obsidian for Linux
Symptoms
- When trying to run System Updates in Plesk > Tools & Settings > System Updates the following error is shown:
The System Updates tool is already installing updates in automatic mode. Please try later.
The following is shown on attempts to check for updates on command line:
# plesk sbin pum --check
INFO: pum is called with arguments: ['--check']
ERROR: Update operation was locked by another update process (Plesk installer or pum).< ;
ERROR: Exited with returncode 100. exit status 100
There are several Installer processes running:
# ps aux | grep insta
root 13422 0.0 0.0 4444 784 ? S 12:38 0:00 /bin/sh -c "/opt/psa/admin/bin/autoinstaller" "--service-mode" "--enable-xml-output" "--ssl-cert" "/opt/psa/admin/conf/httpsd.pem" "--branch" "release,stable" --web-interface --with-ssl --disable-browser
root 13423 0.0 0.4 79540 19176 ? S 12:38 0:00 /opt/psa/admin/bin/autoinstaller --service-mode --enable-xml-output --ssl-cert /opt/psa/admin/conf/httpsd.pem --branch release,stable --web-interface --with-ssl --disable-browser
root 13424 0.0 0.4 70976 18832 ? S 12:38 0:00 /opt/psa/admin/bin/autoinstaller --service-mode --enable-xml-output --ssl-cert /opt/psa/admin/conf/httpsd.pem --branch release,stable --web-interface --with-ssl --disable-browser
root 14247 0.0 0.0 11744 2268 pts/0 R+ 13:00 0:00 grep insta
Cause
Plesk installer processes remain active on a server in the background for 30 minutes. It is expected behavior.
Resolution
-
Connect to the server via SSH
-
Run the following command:
# plesk installer stop
Alternatively wait 30 minutes until processes are stopped by Plesk automatically.
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