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CKA Sample questions with answers
Pre Setup Once you’ve gained access to your terminal it might be wise to spend ~1 minute to setup your environment. You could set these: alias k=kubectl # will already be pre-configured export do=”–dry-run=client -o yaml” # k create deploy nginx –image=nginx $do export now=”–force –grace-period 0″ # k delete pod x $now Vim The […]
Installing the Free G729 Codec for Asterisk
This tutorial will let you install the G729 Codec on an Asterisk installation in under 5 minutes. Navigate to the codecs directory: cd /usr/lib/asterisk/modules Download the codec Codecs are provided as binary .so files, you can find the archive at http://asterisk.hosting.lv/#bin Take care of the following when picking up one of the files, they depend […]
AWK and Regular Expressions to Filter Text or String in Files
AWK is an interpreted programming language. It is very powerful and specially designed for text processing. AWK – Basic Examples This chapter describes several useful AWK commands and their appropriate examples. Consider a text file marks.txt to be processed with the following content − 1) Amit Physics 80 2) Rahul Maths 90 3) Shyam Biology […]