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 …

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 …