Linux - VALLEYOFDEV

VALLEYOFDEV

Linux

A collection of 12 posts

Containerization

Running docker commands without sudo

Running Docker commands without using sudo can be useful for development and testing purposes. However, it is important to understand the security implications of this configuration and take appropriate measures to mitigate the risks. In order to run Docker commands without sudo, you need to add your user to the

Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running?

This error message indicates that the Docker client is unable to connect to the Docker daemon, which is the background service that manages containers on your host machine. There are a few potential causes of this issue: 1. The Docker daemon may not be running on your host machine. You

How to install golang on linux

Installing Go (also known as Golang) on a Debian-based system is easy and can be done in a few steps. Here's how to do it: 1. Download the Go binary package: Go is available for download from the official Go website (https://golang.org/dl/). Click on the link for

Linux environment variables explained

Linux environment variables are variables that are set system-wide and are available to all users and processes on the system. They can be used to store information such as the system's hostname, the default editor, and the default path to search for executables. There are two types of environment variables

How to install tarball files on debian systems

Tarballs, or .tar files, are archive files that contain multiple files and directories bundled together. They are often used to distribute software for Linux systems. To install a tarball on a Debian-based system, you can follow these steps: 1. Extract the tarball: First, you will need to extract the files

3 Ways to install .deb files

Debian package files, or .deb files, contain software packages that can be installed on a Debian-based Linux system. Here are three ways you can install .deb files on a Linux system: First Method: Using the dpkg command: You can use the dpkg command to install a .deb file on your

3 most common bash scripts

1. Backup script: This script can be used to create backups of important files or directories. It can be configured to specify the source and destination directories, as well as the frequency of backups (e.g. daily, weekly, monthly). Here is an example of a basic backup script: #!/bin/bash

How Linux permissions works

Linux permissions are an important concept to understand when working with the Linux operating system. They allow you to control who has access to files and directories, and what actions they can perform on them. To view the permissions on a file or directory, you can use the ls -l

Search words in vim/vi editor

To search for a word in Vim or Vi, you can use the / key followed by the word you want to search for. For example, to search for the word "example" in a file, you would type /example and then press Enter. You can also search for a word within

7 useful grep commands

Grep is a command-line utility that allows you to search for patterns in text files. Here are some common grep commands and their explanations: 1. grep 'error' logfile.txt: This command searches the file logfile.txt for lines that contain the word "error". 2. grep -r 'error' /var/log: This

Linux most common processes explained

In Linux, a process is an instance of a program that is being executed. It is a running instance of a program that is represented by a unique PID (Process ID). Processes are created and managed by the operating system, and they can be seen as the basic units of

Linux directories explained

Linux directories are like folders in other operating systems. They are used to organize files and other directories on a Linux system. Some common directories in a Linux file system include: 1. /: The root directory is the top-level directory in a Linux file system. It contains all other directories and