Cyberpanel Openlitespeed Issue with PHP Session Files Cleanup on Ubuntu 18

April 13, 2021
1 minute read

There’s an issue with the Cyberpanel installation using Openlitespeed on Ubuntu 18 where the PHP session files aren’t removed by the system installed.

You might see issues in your /usr/local/lsws/log/error.log like this

  60789 2021-04-12 10:58:36.099775 [WARN] [30587] [UDS://tmp/lshttpd/wordp1606.sock] Can not start this external application.
  60790 2021-04-12 10:58:36.099798 [NOTICE] [30586] [billi9809.655340]: Failed to open pid file [/tmp/lshttpd/billi9809.sock.pid]: No space left on device
  60791 2021-04-12 10:58:36.099823 [ERROR] [30586] [billi9809.655340]: Failed to lock pid file for [/tmp/lshttpd/billi9809.sock]: No space left on device
  60792 2021-04-12 10:58:36.099838 [WARN] [30586] [UDS://tmp/lshttpd/billi9809.sock] Can not start this external application.
  60793 2021-04-12 10:58:36.099853 [INFO] [30586] [UDS://tmp/lshttpd/wordp1606.sock] Error Timeout, restart and try again!
  60794 2021-04-12 10:58:36.099862 [NOTICE] [30589] [billi9809.655340]: Failed to open pid file [/tmp/lshttpd/billi9809.sock.pid]: No space left on device
  60795 2021-04-12 10:58:36.099883 [ERROR] [30589] [billi9809.655340]: Failed to lock pid file for [/tmp/lshttpd/billi9809.sock]: No space left on device

The cause is related to the build of of PHP session files in the /tmp folder, which usually is cleaned out by a cronjob in /etc/cron.d/php that calls /usr/lib/php/sessionclean which of course fails to running correctly due to lsphp nor working as intended.

The solution? Create a cronjob to delete the sess_ files. Here’s an example I found online

❯ cat lsphp-session
#!/bin/bash
export PATH=$PATH:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
path_of_session_files=/tmp
find $path_of_session_files -type f -cmin +720 -name "sess_*" -delete

Add this code to a file an placed it in /etc/cron.daily, make sure to chmod u+x so its executable.

That’s it!

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Boeing's unmanned A160T Hummingbird helicopter takes flight - Filed under: Transportation

It's been a few ticks since we've seen Boeing send an atypical aircraft into the friendly skies, but the firm's latest helicopter has successfully completed a 12-minute test flight without so much as a pilot on board. The A160T Hummingbird unmanned rotorcraft is a turbine-powered "warfighter" that aims to provide "intelligence, surveillance, and reconnaissance coverage" in locales that could make even the most calloused veteran queasy. During its time in the air, it reportedly met every objective set for it, and while we've no idea how soon this thing will be lifting itself up, it'll eventually reach speeds of up to 140 knots and stay airborne for up to 20 hours before returning to base for a pat on the wing.

[Via The Raw Feed, image courtesy of SkyControl]

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