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Running Midnight Commander on a Linux machine remotely that does not have function key support or not easy to access like mobile phones can be challenging. Generally, Linux console supports escape sequences, for example to simulate F1, press ESC+1 (press escape key, then press 1). Below shows convenient list of escape sequences for Midnight Commander Action Shortcut Escape Sequence (⎋ symbol) Close application F10 ⎋+0 User Menu F2 ⎋+2 Application Menu F9 ⎋+9

Shutdown Ubuntu from the command line $: sudo shutdown -h now

$: apt show ssh This will show package description for ssh .

$: sudo netstat -tulpn

To install Entity Framework Core 3.1.x Preview 3, do: $: dotnet tool install --global dotnet-ef --version 3.1.0-preview3.19554.8 $: export DOTNET_ROOT=$HOME/.dotnet Note that I am using local install of .Net Core 3.1 Preview 3 hence the need to export DOTNET_ROOT.

$: cd ~/ $: mkdir tmp $: cd tmp $: wget https://dotnetwebsite.azurewebsites.net/download/dotnet-core/scripts/v1/dotnet-install.sh $: chmod +x dotnet-install.sh $: ./dotnet-install.sh -Version 3.1.100-preview3-014645 $: export PATH="$HOME/.dotnet:$PATH"

Chromium is the free and open source web browser developed by Google. To install it in Ubuntu do: $: sudo apt install chromium-browser

List of free math applications: Maxima - computer algebra system ( link ) GNU Octave is a high-level language, primarily intended for numerical computations ( link ) Python + scipy + matplotlib + ipython + pylab - python based numerical package (link - various ) R - a language and environment for statistical computing and graphics ( link ) Sage ( link ) Scilab -  is an open source, cross-platform numerical computational package and a high-level, numerically oriented programming language( link )

Method 1 $: cat /etc/os-release | grep PRETTY_NAME Method 2 $: cat /etc/issue Method 3 $: lsb_release -d -s