Freeing Up Space in the Linux Boot Partition


Is your /boot partition full or almost full and don't know how to clean it up? These instructions will explain how to free up that space. The /boot partition is a very small partition, which is usually ~240MB with a default Ubuntu install. The size may vary with other flavors of Linux. Ubuntu frequently releases updated kernel images, which are automatically installed. Old kernel images are left on the system just in case a newly installed image were to fail. Unfortunately, older images are kept indefinitely if they are not cleaned up. This leads to the /boot partition to slowly fill up. What you will need: A computer with Linux (preferably debian-based) but should be similar for all flavors An…

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Self-Hosted DNS Server


I didn't think it was a good idea to host my own DNS server back in the day. Was always thinking in the back of my mind that people would DDoS it. Well, one day I exposed my Raspberry PI-hosted DNS server to the internet intentionally, and that's exactly what happened. For a few years now, I've been hosting my own DNS server on my LAN using PI-Hole, which is basically a DNS server which blocks all ad-related traffic. It saves a lot of time loading pages and prevents ads from showing up everywhere on my computer, including in-game ads on my phone. Was great! I wanted to take it to the next level and host PI-Hole on the internet.…

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How to make Windows USB flash install media from Linux


I've already shared how to do this on my forum, but thought it would be beneficial to share it here as well, since many not view the forum. After trying many ways of creating a bootable flash drive for installing Windows shown online, I successfully found a method that actually works. Requirements: Gparted sudo apt-get install gparted USB flash drive Instructions: Insert the USB flash drive, then open gparted. In the upper right corner of gparted, click on the dropdown menu and select the USB drive. Note the filesystem. In this example, lets assume it is /dev/sdf In the main window in gparted, delete all of the partitions and format the drive as NTFS. After formatting, right-click the drive…

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Joe's Tech Interview Questions


I've been in tech for a long time and have interviewed quite a bit from small to very large companies. All of the questions mentioned on this page are ones I have been asked for IT-related positions. Each time a question was asked, I'd write it down. I thought I would share these with all of you for those who are wanting to study for their next interview. Enjoy! User says their internet is slow and that it takes ages to get to websites. What steps would you do to troubleshoot? Tell me five ways to find the current date and time on a Linux system. How would you delete a file called -f on a Linux system? Can you…

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