5.3 - Lab 15

Install the Crash Diagnostics CLI

1. Using the terminal, navigate to the Downloads directory.

   cd ~/Downloads

2. Unzip the Crash Diagnostics CLI.

   tar -zxvf crashd-linux-amd64-v0.3.2-vmware.3.tar.gz

3. Install crashd to the bin directory.

   sudo install crashd/crashd-linux-amd64-v0.3.2+vmware.3 /usr/local/bin/crashd

4. Display the command syntax to verify that Crash Diagnostics is installed.

   crashd --help

Configure the Crash Diagnostics Arguments File

1. Using the terminal, navigate to the crashd directory.

   cd ~/Downloads/crashd

2. Open args in Visual Studio Code.

   code args

   1. Modify the following parameters.

   

   1. Save the file and close Visual Studio Code.
   2. Verify that the configuration file matches the reference configuration file.

   checkconfig args

   When a configuration mismatch exists, Visual Studio Code opens the configuration file in the left panel and the reference configuration file in the right panel.

   1. If a configuration mismatch exists, modify the configuration on the left to match the reference configuration on the right.

      Differences are highlighted in red.

   2. Save the file and close Visual Studio Code.

Run the Crash Diagnostics CLI

1. Run the Crash Diagnostics CLI.

   crashd run --debug --args-file args diagnostics.crsh

   The logs are collected in the workdir directory and compressed to tkg-mgmt.diagnostics.tar.gz.

2. Display the collected logs.

   find ./workdir/tkg-mgmt-cluster

3. Run the command again, overwriting the target value.

   crashd run --debug --args-file args --args target=workload diagnostics.crsh

   The logs are collected in the workdir directory and compressed to tkc-01.diagnostics.tar.gz.

4. Display the collected logs.

   tree -d -L 2 ./workdir/tkc-01 | less