Security

Who’s On Your Network? Best Practices for `Managing WiFi Access` for Visitors

2023-03-05
Networking, Security
3 min read

Why Should You Limit or Remove WiFi Access to Visitors? Security Concerns Providing WiFi access to visitors also means exposing your network to potential security threats. Visitors may inadvertently or intentionally download malware or engage in unauthorized activities that can compromise your network’s security. This is particularly concerning if you’re… Read More »Who’s On Your Network? Best Practices for Managing WiFi Access for Visitors

Want to Learn About `Encryption`? Start With The Simple and Effective `ROT13`

2023-03-12
Bash, Linux, Mac, Security, Windows
4 min read

Do you want to obfuscate some sensitive data quickly and easily without having to go through the process of encryption? Look no further than ROT13. This simple command-line tool can help you obfuscate your data in a matter of seconds, making it difficult for others to understand without decoding it… Read More »Want to Learn About Encryption? Start With The Simple and Effective ROT13

How to Use `Base64 Encoding and Decoding` for Storing Binary Data in Linux

2023-03-12
Bash, Linux, Security
5 min read

If you work with Linux systems, you may need to encode or decode strings using Base64. This skill is useful for transmitting data over networks or storing binary data in text formats. In this guide, we’ll explain how to encode and decode strings in a Linux file using Base64. We’ll… Read More »How to Use Base64 Encoding and Decoding for Storing Binary Data in Linux

Want to Find Hidden Strings in Your Binary Files? Try the `Strings Command` in Linux

2023-03-12
Bash, Linux, Scripting, Security
7 min read

The Linux “strings” command extracts readable text from binary files, enabling users to search for strings in files, filter the output using regular expressions, and perform a recursive search for strings across multiple files. The command is easy to use and comes with options and flags that can be combined… Read More »Want to Find Hidden Strings in Your Binary Files? Try the Strings Command in Linux

The Holy Trinity of Searching: `Combining grep, sort, and uniq` for Efficient Data Analysis

2023-03-12
Bash, Linux, Scripting, Security
4 min read

As IT professionals, we’re often faced with the task of searching through large files for specific data. Whether it’s for debugging purposes or simply finding relevant information, manually scanning through files can be time-consuming and inefficient. Fortunately, Linux provides a powerful set of tools for searching and organizing data in… Read More »The Holy Trinity of Searching: Combining grep, sort, and uniq for Efficient Data Analysis

Looking for a Needle in a Haystack? `Find the File` You Need on Linux Using `File Properties`!

2023-02-26
Linux, Security
5 min read

IT professionals can find files on their Linux system quickly and efficiently by using the command-line interface. This guide shows how to find files based on their properties such as file size, (non)executable, date, and more. In the world of IT, working with a large number of files and directories… Read More »Looking for a Needle in a Haystack? Find the File You Need on Linux Using File Properties!

Master `Verbose Mode` for More Insightful Command Line Use

2023-03-12
Bash, General, Linux, Mac, Scripting, Security, Windows
4 min read

TLDR; Verbose mode in the CLI can be enabled by using an appropriate command-line option (e.g. v for tar). It is useful for debugging, understanding commands, and troubleshooting scripts and automation. Verbose mode is supported by many Unix commands, package managers, and build systems. It is important to understand the… Read More »Master Verbose Mode for More Insightful Command Line Use

Discover the Benefits of Managing the `/var Directories` in Linux

2023-03-12
Bash, Linux, Security
5 min read

TLDR; The /var directory in Linux is crucial for storing files and directories that change frequently during the system’s normal operation. It includes log files, temporary files, spool files, and data files for various system services. It’s important to monitor and manage the contents of the /var directory, such as… Read More »Discover the Benefits of Managing the /var Directories in Linux

Unlock the Power of `File Transfer Protocols`

2023-03-12
Bash, Linux, Mac, Security, Windows
5 min read

Introduction File Transfer Protocol (FTP), Secure File Transfer Protocol (SFTP), and File Transfer Protocol Secure (FTPS) are the three most popular protocols for transferring files over the internet. In this blog, we will discuss these protocols in detail, including their differences, advantages, disadvantages, and use cases. What is a File… Read More »Unlock the Power of File Transfer Protocols

Learn the Basics of MD5, SHA1, SHA2 & SHA3 `Checksum Algorithms`

2023-02-18
Linux, Mac, Security, Windows
6 min read

TLDR; This blog post provides an overview of checksum algorithms, including MD5, SHA1, SHA2, and SHA3. It explains how these algorithms work, the differences between them, and how they can be used to validate the integrity of data during transfers. The post also provides five tips for working with checksum… Read More »Learn the Basics of MD5, SHA1, SHA2 & SHA3 Checksum Algorithms