- Plesk Onyx for Linux
Plesk update fails with the following error:
PLESK_ERROR: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
ERROR: An error occurred on attempt to install packages.
Attention! Your software might be inoperable.
Please contact product technical support.
The same error can appear during Ruby or other component installation. As well as system packages installation/upgrade.
Note: if you don't have root access to Plesk via SSH, contact your hosting provider regarding the issue
Connect to the server using SSH.
Execute the following command to list
# ps auxx | grep 'dpkg\|apt'
root 1204 1.6 0.5 43264 5924 pts/1 S+ 17:05 0:00 apt-get update
_apt 1207 0.0 0.2 40288 2900 pts/1 S+ 17:05 0:00 /usr/lib/apt/methods/http
aptitudeprocesses, where 1204 and 1207 are processed IDs:
# kill 1204 1207
- Continue with Plesk update:
# plesk installer update --repatch
Alternatively, restart the server, if it is acceptable.