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System administration & configuration tasks in Ubuntu, CentOS, RedHat, Fedora, Debian & other LINUX-based distributions.
Once you get over the initial culture shock and myriad cruelties of Linux, it first starts to grow on you and then becomes your preferred way to build or run …
7 Ways to Still Use Linux as a Windows Network Admin Some useful Linux distributions, applications and software that can be a perfect fit within any Windows network Read More
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 …
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 Read More
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 …
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 Read More
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: …
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 Read More
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 …
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! Read More 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 …
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 Read More
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 …
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 Read More
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 …
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 Read More
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 …
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 Read More
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 …
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 Read More