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How to execute PHP7 CLI commands with cPanel and EasyApache 4 - PHP7 CLI path

How to find and list zero byte files in Windows and Linux A single-line Command Prompt script that will help you to locate all zero-byte files on your Windows or Linux machine and print them on screen or file

September 14, 2018September 15, 2018 - by Ryan - 1 Comment

Today I was asked to write a simple batch script to locate all zero-byte files within a Windows Server machine. The answer was definitely simple, thanks to the powerful FOR …

Coding / Linux / Servers & Services / SQL

How to safely upgrade from MariaDB 10.x to 10.3 without losing data A quick tutorial explaining how to perform a seamless upgrade from a previous version of MariaDB 10 to MariaDB 10.3 keeping all the existing databases intact

August 13, 2018March 26, 2019 - by Ryan - 6 Comments.

It has been a while since MariaDB 10.3 has been out, bringing its stunning pack of changes, improvements and new features - most notably, System-versioned tables and Sequences. If you found this …

Coding / Linux / Operating Systems

CentOS / Linux - make: g++: Command not found - How to fix How to fix this common Linux terminal error by installing GCC, the GNU Compiler Collection

August 12, 2018 - by Ryan - 1 Comment

If you've stumbled upon this post it probably means that you were trying to compile a C++ program using the linux make terminal command and ran into the following error: > make: …

Linux / Operating Systems

SAR (System Activity Report) Installation, Commands and Guide A useful tutorial guide to the SAR (System Activity Result) tool, available for any Linux or Unix distribution: Debian, Ubuntu, CentOS, RHEL and more!

June 26, 2018June 26, 2018 - by Teju NC - 1 Comment

If you are a system administrator/Tester/Developer it's important for you to monitor your system health. If you are a Tester/Developer you need to understand how much memory or CPU is …

Linux / Operating Systems / Servers & Services / Web

Linux - How to install and configure sSMTP, a simpler alternative to Postfix and Sendmail A brief tutorial explaining how to setup sSMTP, a simple Linux service to send e-mail through your CentOS machine

April 2, 2018January 29, 2019 - by Ryan - 3 Comments.

If you stumbled upon this post it means that you want to find a way to send e-mails from your Linux server and you're looking for a simpler alternative to configure …

Coding / Linux / Operating Systems / PHP / Servers & Services / Web

How to install PHP 7 on Linux CentOS A useful guide to understand how to securely install and setup PHP 7.1, PHP 7.2 and/or other PHP builds on a Linux CentOS machine

April 1, 2018April 2, 2018 - by Ryan - Leave a Comment

Since we recently posted an article about downgrading from PHP 7.2 to PHP 7.1 on CentOS, we thought that it could be useful to add a post explaining how to …

Coding / Linux / Operating Systems / PHP / Servers & Services / Web

How to downgrade PHP version on Linux CentOS How to securely roll-back to a previous version and/or build of PHP - for example, from PHP 7.2 to PHP 7.1 - in a Linux CentOS machine

March 31, 2018April 2, 2018 - by Ryan - 1 Comment

PHP 7.2 release introduced many breaking changes that could prevent some of your application from working properly. Among the many backward-incompatible improvements, perhaps the most crippling one is what they called …

Linux / Operating Systems / Servers & Services / Web

NextCloud 13 Login Page Redirect Loop - How to fix it How to address a common issue of NextCloud Server, a great open-source file sync and share solution

March 29, 2018March 30, 2018 - by Ryan - 2 Comments.

If you've never heard of NextCloud, do yourself a favor and fill that huge gap by taking a look here: in very short words, we're talking about an open-source File Sync …

Linux / Operating Systems / Servers & Services / Web

How to purge Nginx Proxy Cache in Linux CentOS A list of useful methods provided by Nginx when used as a Reverse Proxy with caching features to selectively and/or globally invalidate its cache

March 25, 2018November 5, 2018 - by Ryan - Leave a Comment

We already made a number of tutorials about Nginx, one of best web servers available for Linux - which can also be used as a reverse proxy, load balancer and HTTP …