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Archive of posts published in the tag: Hacks

Install Linux Mint 18.1 With GRUB EFI

When installing Linux Mint 18.1 with GRUB UEFI enabled it will fail with the error “grub-efi-amd64-signed failed to install into /target…” So when you get to this point don’t close anything just open a terminal and type the below commands to install GRUB…

How to Recover a Deleted File in Linux

Did this ever happen to you? You realized that you had mistakenly deleted a file – either through the Del key, or using rm in the command line. In the first case, you can always go to the Trash, search for the file,…

4 Ways to Batch Convert Your PNG to JPG and Vice-Versa

In computing, Batch processing is the execution of a series of tasks in a program non-interactively. In this guide will offer you 4 simple ways to batch convert several .PNG images to .JPG and vice-versa using Linux command-line tools. We will use convert…

3 Ways to Extract and Copy Files from ISO Image in Linux

Let’s say you have a large ISO file on your Linux server and you wanted to access, extract or copy one single file from it. How do you do it? Well in Linux there are couple ways do it. For example, you can…

How to Sort Output of ‘ls’ Command By Last Modified Date and Time

One of the commonest things a Linux user will always do on the command line is listing the contents of a directory. As we may already know, ls and dir are the two commands available on Linux for listing directory content, with the…

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How to Use Linux efibootmgr Command

The Linux efibootmgr command line utility is a very handy tool to manage UEFI boot menu. This tutorial shows you how to use efibootmgr with 5 examples. 1 Display Current Settings Simply run the following command. In some Linux distributions like Debian, you need…

Giving New Life to LCD Screens from Old Laptops, TVs, Monitors, etc.

Introduction Over the years I have collected quite a few laptops (among many other things…). I usually pick them up when my friends and relatives get a new laptop and they throw away the old ones. Most of these laptops are not working…