- Plesk for Linux
Cannot login to Plesk:
CONFIG_TEXT: 504 gateway timeout
Cannot upgrade Plesk:
CONFIG_TEXT: Unable to create lock file in /var/lock
Another instance of bootstrapper is already running. Please wait until it finishes.
If you are completely sure there is no other instance running,
just remove /var/lock/parallels-panel-bootstrapper-running.lock file and retry.
There are no bootstrapper processes running:
# ps fax | egrep 'installer|bootstrapper'
The following warning can be found in
CONFIG_TEXT: Warning: Failed to attach to cgroup /sys/fs/cgroup/systemd/user/root/tasks, installer might be unexpectedly killed later by the system
Removing /var/lock/parallels-panel-bootstrapper-running.lock file does not help fix the issue.
partition is full and is occupied by sessions directory:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 158G 113G 46G 72% /
devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 3.9G 96K 100% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
# stat /var/run/systemd/sessions/
Size: 15566100 Blocks: 0 IO Block: 4096 directory
As a workaround,
1. Login to Plesk via SSH
2. Reboot the server to flush sessions directory content:
Note: it is recommended to do it in server maintenance hours when the server workload is minimal