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Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. It is a service provided by the Internet Security Research Group (ISRG).

Install

sudo apt install certbot python-certbot-nginx 

Nginx

sudo certbot --nginx

Renew

sudo certbot renew --dry-run

Let's Encrypt


Steam

Steam is a digital distribution platform developed by Valve Corporation for purchasing and playing video games. Steam offers digital rights management (DRM), matchmaking servers, video streaming, and social networking services. Steam provides the user with installation and automatic updating of games, and community features such as friends lists and groups …


Bumblebee

Bumblebee aims to provide support for NVIDIA Optimus laptops for GNU/Linux distributions. Using Bumblebee, you can use your NVIDIA card for rendering graphics which will be displayed using the Intel card.

Install

apt install bumblebee primus
Usage
optirun glxgears -info
primusrun vim
optirun steam
Multiple monitors
lspci | grep VGA …

Pandoc

Pandoc is a universal document converter developed in Haskell language, widely used as a writing tool (especially by scholars) and as a basis for publishing workflows. It was originally created by John MacFarlane, a philosophy professor at the University of California, Berkeley under GPLv2.

HTML fragment

pandoc MANUAL.txt -o …

Elisp

Emacs Lisp is a dialect of the Lisp programming language used as a scripting language by Emacs (a text editor family most commonly associated with GNU Emacs and XEmacs). It is used for implementing most of the editing functionality built into Emacs, the remainder being written in C (as is …


CPP

C++ is a general-purpose programming language. It has imperative, object-oriented and generic programming features, while also providing facilities for low-level memory manipulation.

example.cpp

#include<iostream>

using namespace std;

int main()
{
    cout << "Hello World" << endl;
}

C++


C

C language is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, and therefore it has found lasting use in applications that had formerly …


Thunderbird

Mozilla Thunderbird is a free and open-source,[11] cross-platform email client, news client, RSS, and chat client developed by the Mozilla Foundation. The project strategy was modeled after that of the Mozilla Firefox web browser. It is installed by default on Ubuntu desktop systems.

Install

apt install thunderbird enigmail

Thuderbird …

© 2000-2018 by Daniel Pimentel (d4n1). Under MIT.