Ubuntu terminal history does not save commands that are preceded by a space.

Last Updated on September 24, 2020 by Christopher G Mendla

I was working in Ubuntu terminals both locally and on a Digital Ocean Droplet. I wanted to find a command that I used previously but it was not saved in the terminal history. This is a design feature but can be overridden.

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Ubuntu – Do NOT delete the lock file if you see a ‘could not get lock’ when trying to install an app.

Last Updated on January 19, 2020 by Christopher G Mendla

I was trying to install ClamAv on two of my Ubuntu machines. I got a ‘could not get lock’ error. A lot of the posts I found said to delete /var/lib/dpkg/lock.  DO NOT DO THIS UNTIL YOU EXHAUST ALL OTHER OPTIONS.

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An easy way to determine which version of Linux you are running.

Last Updated on January 19, 2020 by Christopher G Mendla

Determining the exact version of Linux you are running is fairly simple. Use this command to find your Linux version.

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Copy and paste with Putty running on an Ubuntu VM

Last Updated on January 17, 2020 by Christopher G Mendla

THIS was driving me batty. I have Putty running on Ubuntu which runs on an Oracle Virtualbox on a Win 10 machine. I was trying to copy and paste and getting nowhere. The solution turned out to be pretty simple

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Creating a USB stick to install Ubuntu using Rufus

Last Updated on November 29, 2019 by Christopher G Mendla

There is a very good tutorial that shows how to install or run Ubuntu from a memory stick using Rufus

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Installing the firefox developer edition on Ubuntu

Last Updated on November 29, 2019 by Christopher G Mendla

The Developer Edition of Firefox provides a lot of useful tools.

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Adding a launcher via Gnome Panel in Ubuntu

Last Updated on November 29, 2019 by Christopher G Mendla

I needed to add a launcher for an app in Ubuntu

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