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Run docker containers
Doing Things in Docker

How to Run Docker Containers

In this Docker tutorial, you'll learn various ways of running a container along with the explanation of various options that are used.

ยท Abhishek Prakash

How to Use Linux Screen Command [Essential Guide]
Commands

How to Use Linux Screen Command [Essential Guide]

The screen command in Linux allows you to use multiple virtual terminals that can be saved by name and reopened using keyboard shortcuts. Here's how to use it.

ยท Christopher Murray

chown command
File Properties Commands

chown Command Examples

The chown command in Linux enables you to change the user and group ownership of a file or directory. Learn to use chown with some practical examples.

ยท Abhishek Prakash

Remove Docker containers
Doing Things in Docker

How to Remove Docker Containers

Remove a specific container or all belonging to same image or all of them. Learn how to remove docker containers in various situations with these practical examples.

ยท Abhishek Prakash

Check is string contains substring in Python
Python

Check if String Contains a Substring in Python

In this Python tutorial, you'll learn various methods to check for substring inside a string with proper code examples.

ยท Ankush Das

Schedule Jobs in Linux With 'at' Command
Commands

Schedule Jobs in Linux With 'at' Command

The at command in Linux can be used to schedule jobs that do not run on a regular schedule. Learn how to use the at command.

ยท Christopher Murray

Modify user accounts in Linux
User Account Management

usermod Command Examples

The usermod command in Linux allows you to modify a user account in various ways. Check out what settings you can modify in this tutorial.

ยท Abhishek Prakash

delete users in Linux with userdel command
User Account Management

userdel Command Examples

If you want to delete an existing user in Ubuntu or any other Linux distribution, you can use the userdel command in the terminal.

ยท Abhishek Prakash

Add users in Linux
User Account Management

useradd Command Examples

The useradd command lets a superuser create a new user account on Linux. Here's how to use the useradd command with various options.

ยท Abhishek Prakash

watch command in Linux
Commands

Using Watch Command in Linux

Watch is a great utility that automatically refreshes data. Some of the more common uses for this command involve monitoring system processes or logs, but it can be used in combination with pipes for more versatility.

ยท Christopher Murray

How to Run sudo Commands Without Password
Tips

How to Run sudo Commands Without Password

Learn how to run some or all sudo commands without entering the password on Ubuntu or any other Linux distribution.

ยท Abhishek Prakash

stat command
File Properties Commands

stat Command Examples

You can get file permissions, size, mtime, ctime, atime, ownership and several other file attribute information using the stat command in Linux.

ยท Abhishek Prakash

uname Command Examples
Host Information Commands

uname Command Examples

You can get Linux kernel version and some other system information with the uname command in Linux. Here's how to use it.

ยท Christopher Murray

Add SSH public jey to server
SSH Basics

How to Add SSH Public Key to Server

Public key authentication allows you to access a server via SSH without password. Here are two methods to copy the public ssh key to the server.

ยท Abhishek Prakash

Netcat command in Linux
Network Monitoring Commands

netcat Command Examples

Here are some practical examples you can follow to learn how the netcat command is used in Linux.

ยท Christopher Murray

iptables vs nftables: What's the Difference?
Explain

iptables vs nftables: What's the Difference?

For a long time iptables have been a favorite tool for sysadmins. But nftables are recommended these days. Read to find out why.

ยท Eric Simard

son't use sigkill in Linux
Explain

SIGTERM vs SIGKILL: What's the Difference?

Both SIGTERM and SIGKILL are used for killing a process in Linux. But you should prefer using SIGTERM. Here's why!

ยท Abhishek Prakash

Stop Docker containers
Docker Tutorials

How to Stop Docker Containers

This docker tutorial discusses methods to stop a single docker container, multiple docker containers or all running docker containers at once. You'll also learn to gracefully stop a docker container.

ยท Abhishek Prakash

Complete Guide for Removing Docker Images
Docker Tutorials

Complete Guide for Removing Docker Images

A complete article that discusses various scenarios of removing docker images with examples.

ยท Abhishek Prakash

For loop in Python
Python

For Loop in Python Explained With Practical Examples

Learn the concept of for loop in Python with these practical examples.

ยท Ankush Das

Troubleshooting Docker
Docker Tutorials

How to Fix Docker Permission Denied Error on Ubuntu

This detailed troubleshooting article helps you fix the permission denied error with Docker on Ubuntu and other Ubuntu-based Linux distributions.

ยท Abhishek Prakash

Docker Run vs Start vs Create: Difference Explained
Docker Tutorials

Docker Run vs Start vs Create: Difference Explained

For a docker beginner, terms like docker start, docker run and docker create could be confusing. This article explains the difference with examples.

ยท Abhishek Prakash

7 Examples of Date Command in Linux
Commands

7 Examples of Date Command in Linux

The date command gives you the current date and time of you Linux system. But it can do a lot more than that. Check out these practical examples.

ยท Ankush Das

Copy files and folders between host and container
Docker Tutorials

How to Copy Files Between Host and Docker Container

The docker copy command enables you to copy files from host to container and from container to the host. Learn how to use this command.

ยท Abhishek Prakash

Install Docker on Ubuntu
Docker Tutorials

Properly Installing Docker on Ubuntu [Beginner's Guide]

In the first of Docker tutorial series, you'll learn to install the latest version of Docker Engine Community Edition on Ubuntu Linux.

ยท Avimanyu Bandyopadhyay

crontab explain
Guides

Understanding Crontab in Linux With Examples

Learn the concept of crontab in Linux. See how you can set up cron jobs to automatically run scripts and command at predefined time.

ยท Christopher Murray

Find files with the locate command
File Searching Commands

locate Command Examples

The locate command allows you to preform a super quick search for files. In this tutorial, you'll learn how locate command works and how to use it.

ยท Abhishek Prakash

Free Python learning resources
Resources

Learn Python For Free With These Courses and eBooks

Wondering how to learn Python for free? We list some of the best Python courses and books that you can use to learn Python online without spending any money.

ยท Ankush Das

Check Linux Server Vulnerabilities with OpenVAS
Tutorial

Check Linux Server Vulnerabilities with OpenVAS

OpenVAS is a free and open source tool to check Linux systems for known vulnerabilities. Learn how to get started with OpenVAS.

ยท LHB Community

Handling System Restart Required on Ubuntu
Troubleshooting

Handling System Restart Required on Ubuntu

Seeing *** System restart required *** every time you log on to your Ubuntu server? Here's why you see this and what you can do with it.

ยท Abhishek Prakash