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Cleaning Linux: Jed’s Nappy /boot

My home NAS machine is an Ubuntu 14.04 machine with a ZFS volume. I need the linux-headers packages in order to compile my ZFS dkms modules. Those take more space than the kernels tend to, so I try and stay on top of removing them. Wonder how many I have? > dpkg-query -l linux-header* |… Read more »

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Finding the Offending Directories

Gnarly Backup School Series   We have washed up on the shores of find…all these files drifting around us in the surf. Remember: In the last article I asked you to try finding all the files in your home directory more recent than your last backup. Here, we’ll pull the tab on that can and… Read more »

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Finding Recent Files

Finding Recent Files Gnarly Backup School Series Before you suggest that it is better to use a backup program like Bacula or Amanda, I shall insist that making backups from the command-line is mighty useful. In scenarios where you are running in an embedded system (Rpi, Beaglebone), or a headless server that you want to… Read more »

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Backup Plex For Ubuntu Reliably

It’s no secret that I like watching TV. From movies to TV shows, I like ’em all. I’m also a very happy cord cutter. This means I use a combination of services ranging from Netflix to Amazon Prime for my video content. I also have a fair bit of media on Plex. Like a lot… Read more »

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Boost Your Hard Drive with Bcache

A few weeks ago I converted my friend’s Chromebook from its stock ChromeOS to Ubuntu. As payment, he let me keep the Kingston 16GB M.2 SSD which we replaced with a bigger 240GB SSD. My laptop has two mSATA ports, which means I can put that 16GB SSD in my Laptop as long as I… Read more »

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Keeping Linux Clean

One of the great things about Linux is how stable it is over time. The biggest challenge with Linux is getting it installed, finding and configuring the software you need to get stuff done. Once you get that accomplished, it pretty much just runs. There’s not much in the way of system maintenance you have… Read more »

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Skimming Files Before You Grep Them

Grep is a utility to find string patterns in text files. I cannot show you all the magic that grep can perform. Often the stuff you want to find in a file is buried in a lot of crud you don’t want in the file. Web server files? Yeah. Those. Spreadsheets? Unfortunately, they get large… Read more »

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Extracting and Organizing with Bash

Long week? Yeah, me too. I have my heavy metal Linux band in the motel room and no customers to attend to at the moment…let’s do some Bash scripting! Remember the “thumbnailing” script I did a few weeks ago? This is the script I use before doing thumbnails. It’s actually a bit more trippy and… Read more »

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Learning The Linux File System

Before we get started, let’s avoid any confusion. There are two meanings to the term “File System” in the wonderful world of computing: First, there is the system of files and the directory structure that all of your data is stored in. Second, is the format scheme that is used to write data on mass… Read more »

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Speeding Ahead with ZFS and VirtualBox

In total, I have about 20 virtual hosts I take care of across a few workstations. On one system alone, I keep five running constantly, doing builds and network monitoring. At work, my Ubuntu workstation has two Windows VMs I use regularly. My home workstation has about eight: a mix of Fedora(s) and Windows. A… Read more »