If you’ve ever used Debian or a Debian based distribution like Ubuntu or Linux Mint, then chances are that you’ve used the APT package system to install or remove software. Even if you’ve never dabbled on the command line, the underlying system that powers your package manager GUI is the APT system.
Today, we are going to take a look at some familiar commands, and dive into some less or more frequently used APT commands, and shed some light on this brilliantly designed system.
EasyEngine (ee) is a Linux shell-script to install and manage wordpress-nginx websites in one go. Using EasyEngine, you can install Nginx, PHP, MySQL, Postfix, phpMyAdmin and their dependencies in one shot easily without the help of a System administrator. It makes very easy to install and manage wordpress-nginx websites, and you don’t have to manually install each packages and memorize all commands. Everything will be done automatically on the background. EasyEngine will work on Ubuntu LTS versions such as Ubuntu 12.04/14.04, and Debian 6/7 version. Unfortunately, there is no support for RPM based systems like CentOS, and there is no future plan to make it work on RPM based systems right now.
This is an edited version of a post that originally appeared on a blog called The Michigan Telephone Blog, which was written by a friend before he decided to stop blogging. It is reposted with his permission. Comments dated before the year 2013 were originally posted to his blog.
If you are a Mac user, you’ve probably heard of Little Snitch. It’s a commercial (as in, not free) program that lets you allow or deny connections to the Internet from individual applications. One reason for using such a program is to detect software that should have no reason to connect to the Internet nevertheless attempting to do so. For example, you download a free screensaver (dumb move to start with) and it sends all the personal information it can find on you to some group of hackers on the other side of the world. A program like Little Snitch would let you know that the screensaver is trying to connect to the Internet, and allow you to deny that connection. In the Windows world, I believe that ZoneAlarm has a similar capability, and it’s also a commercial (as in, not free) program.
Leopard Flower personal firewall for Linux OS screenshot
It appears that these is a similar program for Linux users, and it IS free! It’s called Leopard Flower and it’s described as a “Personal firewall for Linux OS (based on libnetfilter_queue) which allows to allow or deny Internet access on a per-application basis rather than on a port/protocol basis.”
Looking at the screenshot it appears to have very much the same per-application blocking functionality you’d get in one of those other programs. I have not personally tried it yet, but I wanted to create a post about it so if someday in the future I am trying to remember the name of this program, I’ll know where to find it (yes, this blog does sort of serve as my long-term memory!). 🙂
Douane personal firewall for GNU/Linux screenshotDuane configurator screenshot
The only downside to this one is that as of this writing the only available package is for Arch Linux but if you want to try to build it for a Ubuntu or Debian system, they provide a page showing the needed dependencies.
There is an older similar program called TuxGuardian but apparently is hasn’t been updated since 2006, so I have no idea if it will even work with current versions of Linux. And as for you Android users, try the NoRoot Firewall app.
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