wshao12

## iterm2.md

      
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                wshao12
                / iterm2.md
            
            
              Created
              October 6, 2021 04:43
                — forked from squarism/iterm2.md
            
              
                iterm2 cheatsheet
              
          
    Tabs and Windows


Function
Shortcut


New Tab
⌘ + T


Close Tab or Window
⌘ + W  (same as many mac apps)


Go to Tab
⌘ + Number Key  (ie: ⌘2 is 2nd tab)


Go to Split Pane by Direction
⌘ + Option + Arrow Key


Cycle iTerm Windows
⌘ + backtick (true of all mac apps and works with desktops/mission control)


## CKAD.md

      
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                wshao12
                / CKAD.md
            
            
              Created
              August 8, 2021 17:14
                — forked from veggiemonk/CKAD.md
            
              
                CKAD exam preparation
              
          
    Resources

KUBERNETES CLUSTER


local https://github.com/kubernetes-sigs/kind (or just use minikube if it works for you)
cloud https://cloud.google.com/kubernetes-engine (for PersistentVolume and Ingress, I needed to try the real deal)
practice environment: https://github.com/arush-sal/cka-practice-environment

PRACTICE


## cka-practice-questions

Questions are not from any actual exam!!!


Q:  Create a job that calculates pi to 2000 decimal points using the container with the image named perl
and the following commands issued to the container:  ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]
Once the job has completed, check the logs to and export the result to pi-result.txt.

Solution:

## redis_key_sizes.sh
#!/usr/bin/env bash

# This script prints out all of your Redis keys and their size in a human readable format
# Copyright 2013 Brent O'Connor
# License: http://www.apache.org/licenses/LICENSE-2.0

human_size() {
        awk -v sum="$1" ' BEGIN {hum[1024^3]="Gb"; hum[1024^2]="Mb"; hum[1024]="Kb"; for (x=1024^3; x>=1024; x/=1024) { if (sum>=x) { printf "%.2f %s\n",sum/x,hum[x]; break; } } if (sum<1024) print "1kb"; } '
}
Function	Shortcut
New Tab	`⌘` + `T`
Close Tab or Window	`⌘` + `W` (same as many mac apps)
Go to Tab	`⌘` + `Number Key` (ie: `⌘2` is 2nd tab)
Go to Split Pane by Direction	`⌘` + `Option` + `Arrow Key`
Cycle iTerm Windows	`⌘` + `backtick` (true of all mac apps and works with desktops/mission control)

	Questions are not from any actual exam!!!



	Q: Create a job that calculates pi to 2000 decimal points using the container with the image named perl
	and the following commands issued to the container: ["perl", "-Mbignum=bpi", "-wle", "print bpi(2000)"]
	Once the job has completed, check the logs to and export the result to pi-result.txt.

	Solution:
	#!/usr/bin/env bash

	# This script prints out all of your Redis keys and their size in a human readable format
	# Copyright 2013 Brent O'Connor
	# License: http://www.apache.org/licenses/LICENSE-2.0

	human_size() {
	awk -v sum="$1" ' BEGIN {hum[1024^3]="Gb"; hum[1024^2]="Mb"; hum[1024]="Kb"; for (x=1024^3; x>=1024; x/=1024) { if (sum>=x) { printf "%.2f %s\n",sum/x,hum[x]; break; } } if (sum<1024) print "1kb"; } '
	}