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Ubuntu Server Security Updates Only

Today’s quick tip is actually a lesser-known way of keeping up your security updates, but doing so without the very buggy unattended-upgrades package for Ubuntu server. Here’s a lesser known way to patch your system that’s less buggy. You’re experiences may vary. When running updates in an attended state, such as using apt or running… Read more »

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Write Your Own CPU Meter in Bash

Here’s a fun little project that is a pretty good combination of array use and pattern manipulation. #!/bin/bash function get_mhz() { while read line; do if [[ $line =~ cpu\ MHz ]]; then local hunks=(${line}) local ahz=(${hunks[3]}) local bars=$(( (${ahz%%.*} * (${COLUMNS} – 12) )/3500)) printf “%s:%${bars}s\n” $ahz ‘=’ | tr ‘ ‘ ‘=’ fi… Read more »

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TeamViewer Alternatives for Linux

If you follow tech news at all, you’ve heard about “the happening” over at TeamViewer and of the “stuff” the victims of this exploit inadvertently purchased for the bad guys. Now, some of you might be thinking that this is old news. After all, this was like a month ago. What’s in the past stays… Read more »

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Tar vs Rsync

Files getting lost or corrupted? A most heinous challenge, dude! So when strange things are afoot at the Linux-workstation, we totally hit our backups. We need to get started…but what commands should we use? We can use:   1. tar to make daily backups of all files, 2. or combine find and tar to back… Read more »

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Dude! Where’s My Data!

Little in life sucks more than moving to a new desktop environment or distro, only to realize your data for specific applications didn’t make it. This usually happens with stuff like desktop-specific note taking apps or clipboard managers. In today’s quick tip, I’ll show you some common places where you can recover this data or… Read more »

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How to Verify the Integrity of a File with SHA-1

(Matt’s addendum to Eric’s video) There are other Secure Hash Algorithms available, however for the demonstration in this video, Eric will be using SHA-1. Raspbian for example, offers what you need to verify your download using SHA-1. While it’s depreciated when compared to other Secure Hash Algorithm options, it does provide you with an idea… Read more »

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Backing Up Only Recent Files

  Gnarly Backup School Series Getting backups done is important. Sometimes what you have to backup and what you want to backup make quite the contrast. Consider I never want to back up my .mozilla/firefox//cache directory. Let’s cover how to avoid that. Because if you don’t, things get really bunk, little dude. Before you freak… Read more »

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Making a Non-Spamming Alert using Diff

Being on pager duty is a downer. And it’s a big mistake that ruins the on-call or first-responder position when you allocate no-no time to actually invest in a useful reporting platform. Like many before me, I used to create exactly that evil: write a bash script, and throw it in cron. Example of the… Read more »

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Shazam Music Search Alternative For Linux

Growing up in a time of vinyl records and 8-track cassettes, it’s safe to say that I have an appreciation for music. Flash forward to today and we’re now able to enjoy any song we want, on demand! With music services provided by Amazon and independent sources, legally downloading music has never been so easy…. Read more »

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Transcribe Speech To Text With Linux And Google

Sometimes in life, you run into situations where turning a voice recording into a text document is necessary. Perhaps this is from an interview for a news publication or perhaps you need to transcribe a verbal lecture from school. On Windows and OS X, there are a number of software programs that can help with… Read more »