If you are a new user, you should not follow this guide for production sever but follow our basic server setup guide and IPTables guide to configure your firewall. New users can follow this guide with test/development servers. Advanced Policy Firewall is an iptables based firewall. Here is how to install, configure Advanced Policy Firewall (AFP) on Ubuntu 16.04. It is essentially an interface to … [Read more...]
List Of Anti Malware For GNU/Linux Server
We noticed that we need to deliver guides around some known things which are possibly not known to the new users. Somehow, many we missed talking about them since the year 2010. Anti Malware is not a fully correct phrase for Linux but the meaning is obvious. Here is a usable list of Anti-malware for GNU/Linux server. Malware is a program that aims to disrupt the normal operation of a server. … [Read more...]
Linux Server Security Hardening Commands
We have many hands on guides on specific softwares with all commands. Most of them needs time and not exactly covered all the issues. Here is a List of Linux Server Security Hardening Commands For the New SSH Users & New Sysadmins. Guide is For Cloud & Virtual Instances. The way to secure a dedicated server or colocation server will be different for various extra ways of access to physical … [Read more...]
Why No Output From Ubuntu 16.04 service start/stop Command?
Service nginx reload/restart Gives No Output Unlike 14.01. Is not it? This Article Explains Why No Output From Ubuntu 16.04 service start/stop Command. We should not be expecting such output. Earlier Ubuntu versions didn't behave this way because Ubuntu was an upstart system for a decade. In Ubuntu 15.04 and later version, systemd is only fully supported. So, that change from upstart to systemd … [Read more...]
Colorful diff on Command Line : OS X & GNU/Linux
diff is used to show the changes between two versions of the same file. Colorful diff on Command Line is Great to Read & There is Easy Way. man diff will bring the default diff utility's manual page. We can use this tool, but there is an existing easy way. First we will talk about the ways which many like to use, next we will talk about the easy way we like. First, for this guide, create … [Read more...]
Nano Plain Text Syntax Highlighting nanorc File
Here is a Nano Plain Text Syntax Highlighting nanorc File For Highlighting Certain Words, Commented Out Sections While Writing as Plain Text. Normally, we use Syntax Highlighting for specific languages and markup languages, but practically sometimes the plain text files need to be colored a bit for easy readability. Read Our Previously Published Articles Before Heading To Nano Plain … [Read more...]
Install .deb Packages in Ubuntu or Other deb GNU/Linux
Sometimes a .deb Package is Not Available on Repo & Available Elsewhere. Here is How to Install .deb Packages in Ubuntu or Other deb GNU/Linux. Normally we use a package manager like aptitude. In those cases we run - apt-get install or apt install is the name of the package, for example nginx-custombuild. We are taking the case happening on server while using SSH. However, the same method … [Read more...]
Print Without Commented Out Lines on SSH / CLI
Users searches with different phrases like how to cat and remove commented lines. Here is How to Print Without Commented Out Lines on SSH/CLI. PRINT is the right phrase. There are many tools and combination of commands to do the same work. Why only cat, there are many other animals on this Earth! Whatever you use, you probably need to use unix pipe. When We Need to Print Without … [Read more...]
A Terminal Music Player With Visualizer
15 Years Ago a Student Developed A Terminal Music Player With Visualizer For Graduation Purpose. We Are Porting it With GNU GPL 3.0 License for our own need and we will redistribute for free. This is an official notice cum announcement for the player. If the original developer has reason to become sad, then a Court's order will be needed to prevent the porting. Who have ported, worked, like the … [Read more...]
Edit SSH After Login Info (MOTD) on Deb GNU/Linux
Edit SSH After Login Info i.e. MOTD on Deb GNU/Linux including Execution of Scripts. In Post PRISM Acknowledged Era, Functions Has Been Changed. For example, you can not add colors to SSH Pre login Screen. The linked article was for pre-login, before the interactive shell started, that was a gateway of Edward Snowden's co-workers to sniff what scripts you kept on your server. on official Debian … [Read more...]
Reverse Engineering Closed Source GNU/Linux Software
Reverse Engineering Closed Source GNU/Linux Software is Needed For Checking For Spyware and Other Malware in the Binary in Absence of Source Code. First of all, these closed source softwares, softwares with dubious license, softwares with an ill-defined phrase open source should not be used to give the Governmental agencies to run mass surveillance. Why We Reverse Engineering Closed … [Read more...]