Tag: CentOS

Linux / Servers & Services / Web

VSFTPD - How to configure a different home folder for each user A short guide explaining how to configure VSFTPD, the popular FTP service for Linux, to give a specific home folder for each FTP user

- by Ryan - 2 Comments.

We already talked about VSFTPD in this post, where we explained how to configure the service on a Linux CentOS machine, and also in this other post, where we explained how to …

VSFTPD - How to configure a different home folder for each user A short guide explaining how to configure VSFTPD, the popular FTP service for Linux, to give a specific home folder for each FTP user Read More
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

- 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 …

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
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

- 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: …

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
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!

- 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 …

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
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

- 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 …

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
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

- 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 …

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
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

- 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 …

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
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

- 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 …

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
CPU & GPU / Linux / Operating Systems

How to find out the number of CPU & Cores of your Linux machine Some useful terminal commands to discover how many CPU, physical and logical cores are present in your Linux operating system

- by Ryan - Leave a Comment

Today I had to google a bit to discover how to find out how many CPU cores I had on one of my CentOS 7.x Virtual Machines. Luckily enough, I …

How to find out the number of CPU & Cores of your Linux machine Some useful terminal commands to discover how many CPU, physical and logical cores are present in your Linux operating system Read More
Linux / Operating Systems / Servers & Services / Web

Nginx Reverse Proxy Cache for WordPress How to fine-tune Nginx used as a Reverse Proxy Cache server for a typical WordPress web site

- by Ryan - Leave a Comment

Some weeks ago we published a tutorial instructing how to use Nginx as a Reverse Proxy with buffering & cache functions using the standard edge-origin pattern. The configuration settings shown within …

Nginx Reverse Proxy Cache for WordPress How to fine-tune Nginx used as a Reverse Proxy Cache server for a typical WordPress web site Read More