juanfdovilla

rbash – A Restricted Bash Shell Explained with Practical Examples
Ravi SaiveLast Updated: October 25, 2024 Read Time: 3 minsCategoriesBash Shell 11 Comments

In the world of Linux and Unix-like systems, security is crucial, especially when multiple users share a system. One way to enhance security is by using restricted shells. One such shell is rbash, or Restricted Bash.

This article will explain what rbash is, how it differs from the regular Bash shell, and provide practical examples of its usage.

What is a Shell?
Before diving into rbash, let’s clarify what a shell is.

zhensongren

To list all python versions in default locations

ls /usr/bin/python*

To remove just python3 package

sudo apt-get remove python3.5

plus it's dependent packages

sudo apt-get remove --auto-remove python3.5

plus configuration and/or data files of python3

sudo apt-get purge python3.5

mer0mingian

Awesome git

General tutorial

• Kickstart tutorial
• Must-read tutorial: the concepts of branching and merging note the collaborating link at the bottom
• A branching top-down view
• How to resolve merge conflicts in Git? - Stack Overflow Very good hints below the solution.
• Github's help for merging from commandline

Vim as a mergetool

magnetikonline

Bash getopt long options with values usage example

#!/bin/bash -e

ARGUMENT_LIST=(
  "arg-one"
  "arg-two"
  "arg-three"
)

cferdinandi

# Terminal Cheat Sheet

pwd         # print working directory
ls          # list files in directory
cd          # change directory
~           # home directory
..          # up one directory
-           # previous working directory
help        # get help
-h          # get help

ryansechrest

PHP Style Guide

All rules and guidelines in this document apply to PHP files unless otherwise noted. References to PHP/HTML files can be interpreted as files that primarily contain HTML, but use PHP for templating purposes.

The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.

Most sections are broken up into two parts:

1. Overview of all rules with a quick example
2. Each rule called out with examples of do's and don'ts

lancejpollard

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta name="keywords" content="your, tags"/>
<meta name="description" content="150 words"/>
<meta name="subject" content="your website's subject">
<meta name="copyright"content="company name">
<meta name="language" content="ES">