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Home Archives for Filipe Martins
Quick Tip: Flush the DNS Resolver Cache on Your Computer when Changing DNS Configuration

Filipe Martins 2016-01-12 Leave a Comment

Quick Tip: Flush the DNS Resolver Cache on Your Computer when Changing DNS Configuration

When migrating a web service or adjusting DNS settings you may come across unexpected behavior of your site long after all errors have been fixed (or so you thought before hitting the Reload button). The hard reality is that in their quest for speed, web browsers try not to make new DNS requests they deem unnecessary. The result is much screaming&steaming from administrators who are in the middle of a job.

[Read more…]

Filed Under: administration and orchestration, cloud, edge and everything in between, mail servers, web servers in the cloud Tagged With: cache, DNS, PowerShell

How to Install PHP 7 on Fedora, RHEL, CentOS 7 — the Red Hat family

Filipe Martins 2015-12-09 Leave a Comment

How to Install PHP 7 on Fedora, RHEL, CentOS 7 — the Red Hat family

Installing PHP on the Red Hat family—Fedora, RHEL, CentOS 7—is a must for cyber security and it’s not rocket science. With a few easy steps, you too can bring your PHP based web applications to the next level.

[Read more…]

Filed Under: administration and orchestration, Linux, NGINX, php-fpm, SELinux, web servers in the cloud Tagged With: CentOS, dnf, Fedora, NGINX, PHP 7, php-fpm, Red Hat, remi repo, repo, RHEL, SAPI

The LEMP stack: NGINX, MariaDB/MySQL, PHP 7.x on RHEL/Fedora/CentOS with SELinux

Filipe Martins 2015-12-07 6 Comments

The LEMP stack: NGINX, MariaDB/MySQL, PHP 7.x on RHEL/Fedora/CentOS with SELinux

The setup of the LEMP stack (NGINX, MariaDB or MySQL, and PHP) has many caveats. They can impact both performance and security.

Here is how to LEMP (not limp along!).

[Read more…]

Filed Under: cloud, edge and everything in between, cybersecurity and cyber warfare, Linux, NGINX, SELinux, web servers in the cloud Tagged With: MariaDB, MySQL, NGINX, permissions, PHP 7, php-fpm, root, SELinux

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