Linux

How to Enforce Password Quality in Linux

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How to Enforce Password Quality in Linux

One of the easiest ways to improve the security of your server is to ensure that everyone’s password meets a certain minimum length. There are, of course, other considerations like the mix of small and capital letters, numbers, and special characters. But a minimum password length gives you the most “bang for the buck”. Each additional character in a password increases its strength exponentially. In this article, we’ll show you how to enforce a minimum password length for all your users in Linux.

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How to List All Running Services in Linux

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Listing all services in Linux

Linux-based operating systems, like all other operating systems, have processes and services that run while the machine is on. These range from various operating system services, to the command line, to different services/daemons designed to maintain the system and keep it running smoothly. Most services are vital to a process’ normal operation, ranging from helper services to special services designed to handle input, improve performance, offload resources, etc. Processes are also the backbone of a computer’s core functionality, making it important to have the resources for them all.

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9 Linux Package Managers

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Linux Package Managers

We’ll compare different Linux Package Managers. Between all Linux distributions, one of the things they share is the need to be able to install new software packages onto the system. Depending on the distribution, various package managers are available, allowing the user to install, manage, and remove packages easily and quickly. Package managers are very good at streamlining installs, with common installation locations and configurations. In this article, we will discuss the different available package managers, what distributions they can be used on, and what makes each unique. We will cover Debian-Based Package Managers, RedHat Enterprise Linux (RHEL)-Based Package Managers, and other custom designed package managers.

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How to Rename Multiple Files on Linux

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How to Rename Multiple Files on Linux

We’ll show you, how to rename multiple files on Linux . Every operating system in the modern world comes with several ways to interact with its file system. Whether it’s creating files, renaming them, copying them, or deleting them, they all come with functionality to efficiently carry out all of these tasks. However, one operation that most operating systems fall short with is renaming several files at the same time. Whether you need a pattern that the files need to follow, or if you just want to rename many files at one time, renaming files can be quite tedious.

Luckily, renaming software can help us solve this issue. In this tutorial, we will go through several options for batch renaming of files on Debian-based systems, as well as RHEL-based (RedHat Enterprise Linux) systems.

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Linux crontab

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Linux crontab

We’ll show you, how to use Linux crontab. In a few simple steps we will explain, how to automate your system tasks using crontab in Linux. The cron software utility is a time-based job scheduler in Unix-like operating systems. Cron is driven by a crontab (cron table) file, a configuration file that specifies shell commands to run periodically on a given schedule. The crontab files are stored where the lists of jobs and other instructions to the cron daemon are kept. Users can have their own individual crontab files and often there is a system-wide crontab file (usually in /etc or a subdirectory of /etc) that only system administrators can edit.

You can use cron to automatically run scripts within a specified period of time, create a backup of your databases or other important files, monitor the services running on your server and many other things. Let’s start

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Find Large Files in Linux

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find large files in linux

Find Large files LinuxToday we will show you how you can find large files in Linux. One of the most common things you will do as a Linux system administrator is finding useless large files that consume disk space and removing them to free up space for applications that actually need it. Let’s dive in and find out how we can find large files in Linux.

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What Is cURL?

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What is cURL?
What is cURL?

what is curl commandToday we will talk about what is cURL? and why would you use the cURL command in Linux? cURL (Client URL Library) is a computer software project providing a library and command-line tool for transferring data using various protocols. cURL is a tool to transfer data from or to a server, using one of the following  supported protocols (DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP). The command is designed to work without user interaction. If you are a Linux command line user, you probably came across the cURL command. cURL is a command line tool that most system admins are using on a day to day basis to perform a variety of different tasks. In this article, we will explain what is cURL and why would you want to use it on your Linux VPS.

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