today's howtos
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How to View WebP Images on Linux - Make Tech Easier
Since Google’s announcement of the image format in 2018, you may have seen more images with the “.webp” extension on them instead of the ever-dominant JPEG and PNG formats. Normally, you’ll often see these images when browsing the web on a popular browser that already contains support libraries for displaying them. But when it comes time to view images you downloaded using your file explorer, you might run into problems.
Depending on your distro and desktop environment, image viewers might not always have compatibility with Google’s WebP format.
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3 Best Ways to Securely Wipe Disk in Linux Using Command Line
This article shows you the three best ways to completely erase data from your disk using the dd, shred and wipe command.
Sometimes we have to erase all the information from our disk in a way that ensures it is impossible to recover. The most typical reason for completely and irreversibly deleting a device is when, for example, it is to be given away or sold.
Many users probably believe that deleting their data using the file manager or the rm command ensures security. The truth, however, is slightly different.
Using the rm command or a file manager to delete files just removes the pointer to the filesystem. So the original data is still available. As a result, with a high probability, a considerable portion of this data can be recovered using specific techniques.
However, wiping the disk with one of the following commands, shred, dd, or wipe, assures that the information you erased is unrecoverable. So, let us show you how to do it.
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How To Install Jekyll on Ubuntu 22.04 LTS - idroot
In this tutorial, we will show you how to install Jekyll on Ubuntu 22.04 LTS. For those of you who didn’t know, Jekyll is a free and open-source static website generator written in Ruby. Using Jekyll, you can easily manage your site from the initial development stage using the command line. Moreover, Jekyll is blog-aware and gives precedence to permalinks, posts, pages, categories, and layouts.
This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Jekyll static site generator on Ubuntu 22.04 (Jammy Jellyfish). You can follow the same instructions for Ubuntu 22.04 and any other Debian-based distribution like Linux Mint, Elementary OS, Pop!_OS, and more as well.
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Configure Postfix to Use Gmail App Passwords - kifarunix.com
Follow through this tutorial to learn how to configure Postfix to use Gmail App Passwords. Previously, Gmail would allow you to use “third-party apps or devices which ask you to sign in to your Google Account using only your username and password“. For example, if you were configuring Postfix to use Gmail SMTP relay, then you may need to turn on Less Secure App Access so that the username/password authentication may work. However, this flexibility come to an end as from May 30, 2022.
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Make ping audible
Sysadmin trick of the day – if a server is down and you don't know when it will be back up, use ping -a to hear when it comes back up. The -a flag enables audio alert.
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How to Use Workspaces and Hot Corners in Linux Mint to Boost Productivity
There are endless situations, wherein you need to toggle between different applications on your desktop. Linux Mint has the perfect solution to ease your application management woes. You can use workspaces to maintain some semblance of neatness in an otherwise messy desktop screen.
If this interests you, here's how you can use workspaces and hot corners in Linux Mint to categorize your tasks and bring some order to your monitor.