Install and Use Ventoy on Linux [Step-by-Step Guide]
Tired of flashing USB drives for every ISO? Get started with Ventoy and get the ability to easily boot from ISOs.
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5 Ways to Empty or Delete a Large File Content in Linux
The post 5 Ways to Empty or Delete a Large File Content in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Occasionally, while dealing with files in a Linux terminal, you may want to clear the content of a file without necessarily opening it using any
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A Comprehensive Guide to Using PuTTY for SSH into Linux
Whether you’re an experienced developer or a beginner trying to establish a secure connection between your computer and a remote Linux server, PuTTY is a tool you can rely on. Let’s delve into understanding how to utilize PuTTY to Secure Shell (SSH) into a Linux machine from a Windows operating system.
Introduction to PuTTY
PuTTY is an open-source, free SSH client for Windows. It enables users to remotely access computers over networks and run commands as if they were sitting in front of the terminal. It’s a versatile tool that’s widely used in network administration, software development, and other IT-related professions.
Downloading and Installing PuTTY
Getting started with PuTTY is straightforward. Head over to the official PuTTY download page and select the appropriate version for your Windows OS. It’s typically best to choose the latest stable version. After downloading the installer, run it, and follow the prompts to successfully install PuTTY on your machine.
Configuring PuTTY for SSH Connections
Before initiating an SSH connection, you need to gather some vital information: the IP address or hostname of the Linux server you’re connecting to, the port number, and your username.
Open PuTTY and you’ll see a configuration window. Under “Session,” in the “Host Name (or IP address)” field, type the IP address or hostname of your Linux server. Ensure the “Port” field is set to 22, which is the default SSH port.
Select SSH under “Connection type” and then move on to the “Saved Sessions” field. Input a name for this connection configuration for future use. Once done, click “Save” to keep these settings. This way, you won’t need to input these details every time you want to establish a connection.
Initiating the SSH Connection
With your session saved, you’re ready to connect. Select your saved session and click “Open.” A new window with a console interface will open, and a prompt will ask for your username. Input the username for your Linux server. Hit “Enter,” and you’ll be asked for your password. Type in your password and hit “Enter” again. Remember, the cursor won’t move while you’re typing your password; this is a standard security feature.
Dealing with PuTTY Security Alerts
The first time you establish a connection, PuTTY will display a security alert to confirm the server’s authenticity. This alert safeguards against potential man-in-the-middle attacks. PuTTY will show the server’s SSH key fingerprint, which you should compare with the fingerprint of your Linux server. If the fingerprints match, click “Yes” to add the server’s host key to PuTTY’s cache. If the alert pops up in subsequent sessions, there’s a possibility your server’s security may have been compromised.
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Bash Basics Series #7: If Else Statement
If this, then that else something else. Doesn’t make sense? It will after you learn about the if-else statements in bash shell scripting.
15 Useful “ifconfig” Commands to Configure Network in Linux
The post 15 Useful “ifconfig” Commands to Configure Network Interface in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
ifconfig in short “interface configuration” utility for system/network administration in Unix/Linux operating systems to configure, manage, and query network interface parameters via command-line interface or
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How to Find My DNS Server IP Address in Linux
The post How to Find My DNS Server IP Address in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
DNS (Domain Name System) is a fundamental facilitator of several networking technologies such as mail servers, Internet browsing, and streaming services e.g. Netflix and Spotify,
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10 Best File Comparison and Difference (Diff) Tools in Linux
The post 10 Best File Comparison and Difference (Diff) Tools for Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
While writing program files or normal text files, programmers and writers sometimes want to know the difference between two files or two versions of the
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Ebook: LFCS Certification Preparation eBook
The post Ebook: Introducing LFCS Certification Preparation eBook first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
For years, certifications in the Information Technology world have helped job candidates demonstrate their skills to potential employers. In the Linux world, this is as
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Install and Use Additional Gedit Color Themes
Don’t like the default looks for the Gedit text editor? You can surely try to change the color themes. Here’s how to do that.
How to Find Difference Between Two Directories Using Diff and Meld Tools
The post How to Find Difference Between Two Directories Using Diff and Meld Tools first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
In an earlier article, we reviewed 9 best file comparison and difference (Diff) tools for Linux and in this article, we will describe how to
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How to Install netstat Command in Linux
The post How to Install netstat Command in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Netstat – derived from the words network and statistics – is a command-line utility used by system administrators for analyzing network statistics. It displays a
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“Forbidden – You don’t have permission to access / on this server” Error
The post “Forbidden – You don’t have permission to access / on this server” Error first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Apache web server is one of the most popular and widely used open-source web servers thanks to its stability and reliability. The web server commands
The post “Forbidden – You don’t have permission to access / on this server” Error first appeared on Tecmint: Linux Howtos, Tutorials & Guides.
Running Multiple Linux Commands Simultaneously
Understanding how to execute multiple commands at once in Linux can significantly improve your efficiency and productivity. This article will guide you through various ways you can run multiple Linux commands in a single line and even how to automate repetitive tasks.
Understanding the Basics
Before delving into advanced techniques, you should familiarize yourself with the command line or Terminal, Linux’s powerful tool. Here, you can perform tasks by typing a sequence of commands. While it may seem daunting at first, learning to use it can open up a new world of efficiency and productivity.
Running Commands Consecutively
If you want to run multiple commands consecutively, i.e., run the next command after the previous one finishes, use the semicolon (;). For instance, command1 ; command2 ; command3 will execute command1, wait for it to finish, and then execute command2 and so on.
Executing Commands in Parallel
To run commands simultaneously or in parallel, use the ampersand (&). However, keep in mind that using an ampersand sends the process to the background, allowing the next command to start immediately. For instance, command1 & command2 executes both command1 and command2 at the same time.
Using the Logical Operators
You can also employ logical operators (&& and ||) to run commands based on the success or failure of the previous command. The ‘&&’ operator will execute the next command if the previous one succeeds. For instance, command1 && command2 will only execute command2 if command1 is successful. Conversely, the ‘||’ operator will execute the next command only if the previous one fails.
Grouping Commands
If you have a group of commands that you want to execute in a specific order, you can use parentheses. For example, (command1 ; command2) & command3 will run command1 and command2 simultaneously but will only initiate command3 once both have completed.
Utilizing Command Line Pipes
Pipes are an invaluable tool when you want to pass the output of one command as the input to another. You can do this by using the vertical bar (|). For instance, command1 | command2 would pass the output of command1 as input to command2.
Automating Repetitive Tasks
If you frequently execute a particular set of commands, you can write a simple bash script to automate the process. All you have to do is write the commands in a text file and save it with a .sh extension. For example, you can create a file named ‘myscript.sh’ and write:
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dutree – Analyze File System Disk Usage in Linux
The post dutree: A Powerful Disk Usage Tracker for Linux File Systems first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
dutree is a free, open-source, fast command-line tool for analyzing disk usage, written in the Rust programming language, which is developed from the combination of
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How to Find Top Directories and Files (Disk Space) in Linux
The post How to Find Most Used Disk Space Directories and Files in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find unnecessary junk
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How to Create and Use Alias Command in Linux
The post How to Create and Use Alias Command in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Linux users often need to use one command over and over again. Typing or copying the same command over and over again reduces your productivity
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FOSS Weekly #23.29: Linux Mint 21.2 Released, Systemd vs Init, Terminal vs Nautilus and More
Linux Mint 21.2 is available to upgrade now. Also learn a thing or two about systemd in this FOSS Weekly edition.
Mix and Match Terminal With Nautilus File Manager in Linux
Here are a few tips and tweaks to save your time by combining the terminal and the file manager in Linux.