How to Harden My Filesystem in Linux

Boost Security with GnuPG: Installation and File Encryption Guide

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GnuPG, an open-source tool created to enhance security on Linux systems and other platforms, has become an essential component of our security toolbox as admins. But what exactly is GnuPG, and why should administrators consider it an integral component? I'll answer these questions and then explain how to install GnuPG and encrypt and decrypt files with this powerful tool!

Brittany Day
Feb 12, 2025

Implementing Comprehensive Security Strategies for KSMBD in Enterprises

Kernel SMB Daemon (KSMBD) has become essential for file sharing and data management within Linux ecosystems, becoming increasingly prominent as network security demands grow. KSMBD is an SMB server module created for maximum performance and compatibility across various operating systems, making file sharing effortless.

Dave Wreski
Feb 10, 2025

Configuring SFTP on Linux for Secure and Efficient File Transfers

FTP (File Transfer Protocol) remains an invaluable component of the business technology landscape for those not quite adept at running an entire build system. While going full cloud may seem appealing, think twice if any files that contain sensitive information need to be uploaded and downloaded through third-party services without your control.

Brittany Day
Jul 20, 2024

Understanding File Permissions And Access Control For Secure Data

In today's interconnected world, controlling who has access to and can modify files is important. Understanding file permissions, whether you're a system administrator or developer, is essential to ensuring the security and management of your data.

Anthony Pell
Jun 22, 2024

Master Five Core File And Folder Management Commands In Linux

Linux offers over 1,000 commands for a simple service. This number increases when you move to the desktop. In Pop!_OS, for example, /usr/bin has 1,615 commands, and /usr/sbin has 609. There are more than 2,000 commands available.

Anthony Pell
Mar 26, 2024

Master The Linux rm Command Securely To Delete Files And Directories

Linux deletes directories and files using the rm Linux command. You need to know what will happen when you press "Enter" to use this tool in a safe manner. Here's what you need to understand to use the rm Linux command securely and effectively.

Brittany Day
Jan 15, 2024

Mastering File Permissions: A Command Line Guide for Linux Users

Linux file permissions enable you to allow or prevent other users from viewing your files, making them crucial to robust security and privacy. But how can you change file and folder permissions on Linux from the Command Line to improve the security of your filesystem?

Brittany Day
Dec 20, 2023

GPG: Securely Transfer Files with Public Key Encryption

Today we'll cover how to encrypt and securely transfer files using GPG. GPG is a free, open-source encryption program that uses public-key cryptography, which means you can send encrypted files without ever having to send your private key over email or any other insecure channel. The only way to decrypt the file is if you have both your public and private keys, which means even if someone were able to intercept and read the message before it reached its intended recipient, it would be useless without the private key.

Brittany Day
Dec 09, 2023

Exploring File Permissions and User Ownership in Linux Systems

Linux has different security permissions, each impacting what can be done with a file and a directory.

Brittany Day
Nov 09, 2023

How To Backup Files From Remote Linux VPS Using Rsync Script

Backups are the backbone of an organization. One of the efficient way to back up your files is to use the Rsync utility. Rsync is a powerful tool for efficiently transferring files between computers over a network.

Brittany Day
Oct 15, 2023

Exploring File Download Techniques In Linux: Wget, Curl, And SCP

Welcome to the world of Linux, where downloading files is a vital part of everyday tasks. Whether you’re a Linux enthusiast or a casual user, knowing how to download files efficiently is essential for your productivity. In this article, we will explore various methods and commands that you can use to download files in Linux.

Brittany Day
Oct 15, 2023

Control Folder Ownership in Ubuntu for Resource Management

As you learn Ubuntu, you find that you need to change the ownership of a folder or even its subfolders. Why is this important? Whether you’re an administrator managing multi-user environments or a regular user consolidating data, changing folder ownership can serve several key purposes.

Brittany Day
Sep 15, 2023

Encrypt Files on Linux: Command Line and File Manager Methods

Looking for the easiest method for protecting a file behind a layer of encryption in Linux? Here are two easy ways.

Brittany Day
Apr 12, 2023

Exploring User Groups Through The /etc/group File In Linux

The contents of the /etc/group file can seem cryptic at first. But all it contains is information on locally configured groups on a Linux system.

Brittany Day
Apr 04, 2023

How To Securely Transfer Files Using SCP Command In Linux

Suppose you want to transfer some files between servers on a Linux system. There are many ways you can accomplish the task, but if your priority is to transfer files securely, you’re left with a few options.

Brittany Day
Mar 26, 2023

Secure Your Notes: Encrypt Text Files With Vim on Linux

It's easy to secure the contents of a text file on Linux by encrypting it with Vim.

Brittany Day
Jan 15, 2023

Exploring Linux Directory Structures: Types, Permissions, and Methods

There’s a lot more to working with files on Linux than creating, listing and updating them. After all, files can be Linux commands (i.e., binaries), scripts, images, simple text files, pointers to other files or folders. You might remember the "everything is a file" description of Unix and Linux systems.

Brittany Day
Jan 15, 2023

Efficiently Encrypt Files on Ubuntu with the Tomb Utility Tool

Tomb is a simple shell script that allows you to encrypt files in Linux. Unlike full disk encryption, Tomb enables you to only include the files and folders that you want to encrypt. Here we show you how to install and use Tomb on Ubuntu.

Brittany Day
Jan 15, 2023

Complete Guide To Secure File Transfers With SCP In Linux

File transfer over a network can be done in various ways and using different protocols. The most commonly used protocols for copying files remotely are Rsync, SCP and SFTP.

Brittany Day
Dec 14, 2022

Top 10 Practical Uses Of The Linux Rsync Command For Efficiency

The Linux rsync command is a powerful file copying and folder synchronization tool. Here are ten common use-cases that you’ll be able to put to good use on your own systems.

Brittany Day
Dec 14, 2022

How to: Harden My Filesystem in Linux

Boost Security with GnuPG: Installation and File Encryption Guide

Implementing Comprehensive Security Strategies for KSMBD in Enterprises

Configuring SFTP on Linux for Secure and Efficient File Transfers

Boost Security with GnuPG: Installation and File Encryption Guide

Implementing Comprehensive Security Strategies for KSMBD in Enterprises

Configuring SFTP on Linux for Secure and Efficient File Transfers

Understanding File Permissions And Access Control For Secure Data

Master Five Core File And Folder Management Commands In Linux

Master The Linux rm Command Securely To Delete Files And Directories

Mastering File Permissions: A Command Line Guide for Linux Users

GPG: Securely Transfer Files with Public Key Encryption

Exploring File Permissions and User Ownership in Linux Systems

How To Backup Files From Remote Linux VPS Using Rsync Script

Exploring File Download Techniques In Linux: Wget, Curl, And SCP

Control Folder Ownership in Ubuntu for Resource Management

Encrypt Files on Linux: Command Line and File Manager Methods

Exploring User Groups Through The /etc/group File In Linux

How To Securely Transfer Files Using SCP Command In Linux

Secure Your Notes: Encrypt Text Files With Vim on Linux

Exploring Linux Directory Structures: Types, Permissions, and Methods

Efficiently Encrypt Files on Ubuntu with the Tomb Utility Tool

Complete Guide To Secure File Transfers With SCP In Linux

Top 10 Practical Uses Of The Linux Rsync Command For Efficiency

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