Linux – Make immutable a file

The chattr command is used by system administrators to restrict the users from changing a file in a particular way or even the administrator can by mistake delete a critical file because of a mis-typed command. But if the immutable flag is set, these mistakes can be avoided. Read More …

Configuring Let’s Encrypt TLS Certificates

Let’s Encrypt® has revolutionized the way to obtain, install and use TLS/SSL certificates for websites and other services. With its Read More …

Managing Uploads, Timeouts and PHP Limits in Nginx and Apache

There are software likes Apache, Nginx, PHP, and phpMyAdmin have multiple configuration settings that define and set limits to: Memory Usage (Allocation), PHP Script Run Times, Upload File Sizes. Read More …

Convert .pfx SSL certificate to .key or .pem format

In the last years Internet have seen a lot of changes, especially in terms of security standars and requirements for almost every website published on the web. Read More …

Attivazione Browser Caching (Apache – Nginx – IIS)

Per chiunque sviluppi un sito web o blog, le prestazioni e la velocità di risposta del sito risulta essere un aspetto rilevante, che potrebbe affliggere, negativamente in caso di tempi di risposta elevati (pochi secondi) sull’esperienza dell’utente che vuole usufruire dell’informazione che gli state proponendo ed anche sul posizionamento (SEO) dello stesso sui motori di ricerca. Read More …

Atlassian Confluence – How works Permissions?

Confluence permissions are not only have multiple levels (site, space, page) but they are interfering, they have effect on each Read More …