Recently I was dealing with migration of Open Journal Systems (OJS) website that wasn’t upgraded for 14 years but they decided that now is the time to do it. After the migration, the front-end was working smoothly, but on the backend when...
Welcome to PC✗3
Hi, I’m Stefan Pejčić. I am a virtualization architect, system administrator and WordPress plugin developer.
In my 10+ years of working in IT I’ve concluded one thing:
technology is easy, it’s the people that are hard.
Everybody takes IT folks for granted, only noticing them when something is not working. And when those situations happen, we either come up with a quick solution or use a strategy that worked in the past. PCx3 is a blog that provides exactly that: How To's and hacks that worked for me, and hopefully they'll help other sysadmins as well.
Thank you for stopping by.
Latest articles
Here is how to fix the following error: Connection to [/tmp/lshttpd/lsphp5.sock] on request #0, confirmed, 0, associated process: -1, running: 0, error: Connection reset by peer! error_log: 2021-01-28 10:05:51.751 [INFO] [lsphp5] PID: 45143...
The PageSpeed modules are open-source server modules that optimize your site automatically. To set up mod_pagespeed on Cyberpanel there are two ways: from the webadmin console, or appending it to the OLS main configuration. In this guide I...
Here is how to solve the following error message: Domain has an outgoing mail hold. Message will be reattempted later. grep the cPanel username / email address and if found remove it from the following files: /etc/outgoing_mail_hold_users...
By default on WHM system emails are sent to [email protected] – but it you don’t have that email address created on the server, email delivery will be failed and the following error message can be seen on the Sent Summary page in WHM:...
file_get_contents() wrapper enables accessing URL objects the same way as local files. You can check if the file_get_contents() wrapper is enabled in your active PHP version by creating and checking phpinfo file: phpinfo file check if...
I was surprised to see 0 results on Google for this error “Jetbackup General Error – Fatal error: Uncaught MongoDB\DriverlException\ConnectionTimeoutException: No suitable servers found” and I doubt that I’m the first...
ConfigServer MailScanner by default enables maximum 30 entries per cPanel account in their Whitelist and Blacklist. To increase this setting, go to WHM » Plugins » ConfigServer MailScanner Front-End » Front-End Settings » End User Settings and under...
/var/log/exim_mainlog – logs every email that is processed by Exim/var/log/exim_rejectlog information about all rejected emails/var/log/exim_paniclog error related to Exim itself Exim has it’s own version of grep: exigrep...
Here are my top 10 du commands with examples: Disk usage for all files in dir This is the most basic usage of the du command: du /path/to/folder Human Readable format By default du command prints size in Disk Blocks, to use human-readable format...
While migrating Prestashop 1.7 to another hosting or domain name, it’s necessary to change the domain name directly in the database using PHPMyAdmin and rewrite the .htaccess file afterward. There are 4 values that need to be edited inside the...
on cPanel by default the main domain name has public_html for the root directory, but can it be changed? Sure, here is a guide on how to change root directory from public_html for the main domain in cPanel. Edit the following files:...
