Linux

System administration & configuration tasks in Ubuntu, CentOS, RedHat, Fedora, Debian & other LINUX-based distributions.

How to downgrade PHP version on Linux CentOS
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

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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
NextCloud 13 Login Page Redirect Loop - How to fix it
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

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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
How to purge Nginx Proxy Cache in Linux CentOS
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

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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
How to find out the number of CPU & Cores of your Linux machine
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

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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
Wordpress - How to Fix Home Page Caching Issues by setting the Last-Modified response Header to the most recent post
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

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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
Protect CentOS from unwanted SSH failed login attempts with Fail2Ban
Linux / Operating Systems

CentOS - How to Boot into a Graphical Environment: Auto-Start to GUI - StartX How to configure your CentOS machine to auto-start to the installed GUI (GNOME, KDE or others) right after the boot-up sequence

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Right after you install CentOS, you'll be able to access your system with the standard Linux login screen on a command-line prompt. If you want to access to a GUI, …

CentOS - How to Boot into a Graphical Environment: Auto-Start to GUI - StartX How to configure your CentOS machine to auto-start to the installed GUI (GNOME, KDE or others) right after the boot-up sequence Read More
How to cache your website using NGINX and FastCGI in CentOS 7 with PHP FastCGI Process Manager PHP-FPM
Linux / Operating Systems / Servers & Services / Web

How to cache your website using NGINX and FastCGI in CentOS 7 with PHP FastCGI Process Manager PHP-FPM

- by Ryan - 1 Comment

Among the many good reasons leading more and more Linux System Administrators to migrate from Apache Web Server to Nginx, performance plays a decisive role: not only Nginx is arguably …

How to cache your website using NGINX and FastCGI in CentOS 7 with PHP FastCGI Process Manager PHP-FPM Read More