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Showing posts from December, 2020

Can't install Pop!_OS 20.10 without disk encryption

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 This is my first time to install Pop!_OS (20.10) on VirtualBox (6.1.16). I tried to install 3 times but I can't find an option to install it without disk encryption. What was also confusing was that I am not seeing any option to go Back or Next or Confirm the options, see below. Figure 1. First Screen Figure 2. Encryption page - no option for no encryption Given the size of the window I was suspecting that there must be areas not shown on the screen. So, I killed (xkill) the installation then changed display settings to 1024x768 and behold - now I can see the install buttons! Figure 3. Change display settings to 1024x768 After changing screen resolution, buttons are now visible during installation.
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Getting "Native error= Cannot find the specified file" when running a console app in MonoDevelop

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On Ubuntu 20.10 with MonoDevelop 7.8.4 build (2), running a console application generates the following error message:  ApplicationName='/usr/lib/gnome-terminal/gnome-terminal-server', CommandLine='--app-id mono.develop.id5647740ca7f5455da9c27ab2c320a029', CurrentDirectory='', Native error= Cannot find the specified file   To fix this do: $: sudo mkdir /usr/lib/gnome-terminal $: cd /usr/lib/gnome-terminal $: sudo ln -s /usr/libexec/gnome-terminal-server   Reference: https://stackoverflow.com/questions/59336129/error-when-trying-to-run-code-debugger-operation-failed-native-error-cannot-f
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Installing MonoDevelop on Ubuntu 20.04

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 To install MonoDevelop on Ubuntu 20.04/20.10, do: $: sudo apt install apt-transport-https dirmngr $: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF $: echo "deb https://download.mono-project.com/repo/ubuntu vs-bionic main" | sudo tee /etc/apt/sources.list.d/mono-official-vs.list $: sudo apt update $: sudo apt-get install monodevelop $: echo "deb https://download.mono-project.com/repo/ubuntu vs-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-vs.list $: sudo apt update $: sudo apt upgrade Note that: As of this writing (12/22/2020) https://www.monodevelop.com/download/ only shows support for Ubuntu 18.04 I have only tested this on very simple application - console and Gtk2 dialog app You will notice that I started installing using Bionic (Ubuntu 18.04) and then changed to Focal (Ubuntu 20.04) to upgrade all the libraries This applies to Pop!_OS 20.10
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Log ping output with timestamp

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Log ping output with a timestamp to a file. This will create a new log file every hour. @ echo   off SETLOCAL   EnableDelayedExpansion REM  set /p host=host Address:  set   host =% 1 echo  Host target :  %host% : Ping for  /F  "tokens=* skip=2"   %% A in ('ping  %host%  -n  1  ') do (        REM  Get the hour      SET   X = %time:~ 0 , 2 %      REM  Remove space      SET   " X = !X:   =! "      REM  Pad with zero      SET   PADDED =0 !X!      REM  Get the last 2 chars      SET   PADDED = !PADDED:~ -2 !      REM  Get the expanded value      SET   CURV...
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