In a GNU/Linux system every file or folder has some access permissions. There are three types of permissions (what allowed to do with a file of any kind, directory included): (r)read access (w)write access (e)execute access There are also other “special” permissions, but for this article the basic permissions will be enough to illustrate how [...]
Add security to your ssh daemon with PAM module
In the past I’ve published some info to enhance the security of your ssh server such as 3 easy steps to strengthen your ssh server or how to use SSH for more secure browsing in public networks, today we’ll take a look at the PAM modules of GNU/Linux and in particular the module ssh and [...]
How to stop packages from being updated in Linux
Sometimes it’s useful to tell to our GNU/Linux system that we want to keep some packages on Hold or that we do not want to update them , for example you could have added a custom kernel and you don’t want that during an update the standard kernel takes its place, or perhaps you want [...]
Manage planned tasks on Linux with the command at
In a former article I’ve talked about the commands cron and crontab that are the standard way to schedule recurring things on a Gnu/Linux system. But sometimes you need to do one thing at a specific date and time for just one time, and for these tasks the best option is to use at, another way [...]
Santoku a new Linux distro focused on Security
I’ve received this article of Jay Turla as guest post, and so I gladly publish it: There’s a new GNU/Linux distro designed to help you in every aspect of your mobile forensics, mobile malware analysis, reverse engineering and security testing. It’s called Santoku Linux. Santoku is a general purpose kitchen knife which originated from Japan, meaning “three virtues” or [...]