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If your day-to-day as a developer, system administrator, full-stack engineer, or site reliability engineer involves Git pushes, commits, and pulls to and from GitHub and deployments to Amazon Web Services (AWS), security is a persistent concern. Fortunately, open source tools are available to help your team avoid common mistakes that could cost your organization thousands of dollars.

Did your system becomes less responsive when you were copying gigabytes of data? In Linux you can make use of ionice to manage the priority of I/O processes

Restrictions placed on rootless containers can be inconvenient, but there's always some sacrifice of convenience and usability for security improvements

When I wrote my last article on Grub Configuration I found a lot of people wanting to use GRUB Themes. Many people said it was too complicated so I will try to cover a basic theme to get you started.

For a system administrator, it is very common to perform input or output redirection during its daily work. Input and output redirection is a very powerful tool, allowing you to connect multiple commands together as well as synthetizing the output of multiple commands. Input / output redirection is a core concept of Unix based systems – and it can be used as a way to increase programmer productivity tremendously.

Automad is a file-based content management system (CMS) and a template engine written in PHP. In this tutorial, we will go through the Automad CMS installation and setup on CentOS 7 system by using NGINX as a web server.

Canonical announced today the availability of a new Linux kernel release for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS systems running the Linux 4.15 kernel, which fixes a regression.

In this article, we will describe how you can install the Xscreensaver utility, automatically enable it at startup, and use it to set screensavers on your system depending on your specific requirements.

This article explains how to delete files older or newer than N days, with extra examples like matching only files using a particular extension, and more. For this we'll use find, a command line tool to search for files in a directory.

I knew from the release notes that Debian 10 included “driverless” printing, but I couldn’t find any printers in GNOME Setings, even though I have a wireless printer on my local network.

Announced earlier this year from Revolution Software Ltd, they're working on a follow up to the absolute classic Beneath a Steel Sky called Beyond a Steel Sky.

TFTP, or Trivial File Transfer Protocol, allows users to transfer files between systems using the UDP protocol. By default, it uses UDP port 69. The TFTP protocol is extensively used to support remote booting of diskless devices. So, setting up a TFTP server on your own local network can be an interesting way to do […]

By default a SFTP user can access all the folders in your server including other user’s directory also. No one wants the users to navigate around the server and view other users files. In this tutorial you are going to learn how to setup SFTP Jail environment and lock down a user to their home directory. We will also restrict the access to SSH and allow SFTP only. This guide works on all Linux based distributions.

Pip is a package management system which can be used to install and manage packages written in Python. Python is a programming language that allows you to perform web development, software development, system administration, scientific and numeric data analysis, and much more. In this tutorial, we will show you how to install pip on an Ubuntu 18.04 VPS.

As the Linux Foundation transitions into the Public Relations (PR) industry/domain we should accept if not expect Linux.com to become an extension of PR business models; the old Linux.com is long gone (all staff fired)

For some purposes you may need to keep track of new user creation details on Linux. Also, you may need to send the details by mail. This may be part of the audit objective or the security team may wish to monitor this for the tracking purposes. We can do this in other way, as we have already described in the previous article. This bash script will trigger an email once in a day with newly created users information.

In my previous attempt to upgrade to openSUSE Leap 15.1, I had experienced issues with my AMD Radeon RX 580 8GB graphics card. The drivers were not working, which resulted in a black screen during the upgrade process. I needed to consider a different solution. I decided to install an ASUS Phoenix GeForce GTX 1050 Ti 4GB. In this article, I describe the results of upgrading to openSUSE Leap 15.1 and installing the proprietary NVIDIA drivers.

I don’t know how much of it is Debian 10 and how much is swapping a 5400-RPM hard drive with an M.2 NVMe SSD, but my 2-year-old laptop is FLYING now that I’ve ditched Windows 10 and the 1 GB magnetic drive that came with it.

Canonical has released Snapcraft 3.8, a new feature and maintenance update of their in-house built tool for packaging Linux apps in the Snap universal binary format.

2DayGeek: This tutorial helps you to check queries running on the MySQL/MariaDB server.