Notices by Yes, I Know IT ! 🎓 (yesiknowit@mastodon.social), page 16

The history of Solaris and the free alternatives
https://www.yesik.it/SOLARIS2017

#Solaris #OpenSolaris #Illumos
#YesIKnowIT

JSON command line processing:
https://stedolan.github.io/jq/

(never ever use #sed for that!)
#JSON #CLI

@Nixfreak You can't find the "middle" line of a file in only one pass unless by holding a large part of the input in memory

JSON command line processing:
https://stedolan.github.io/jq/

(never ever use #sed for that!)
#JSON #CLI

My new favorite tool to draw quick and NOT dirty UML sequence diagrams:
https://bramp.github.io/js-sequence-diagrams/

#UML #JavaScript #SVG

OS Containers vs Application Containers

Read to know the difference between #Docker and #LXD

https://blog.risingstack.com/operating-system-containers-vs-application-containers/ …

#Containers

If you ever had to connect to an Oracle backend, you may know how painful it used to be to set up an Oracle Instance on your test/dev host.

Thanks to @Docker, it is now several orders of magnitude simpler!

https://www.yesik.it/EP18

#Oracle #Database
#Docker #Container
#Linux
#YesIKnowIT

Put emphasis around the Beattles
sed -E 's!(John|Paul|George|Ringo)!<em>&</em>!g' file

from https://yesik.it/EP08

#Sed #Linux #YesIKnowIT

XML command line processing:
http://xmlstar.sourceforge.net/

(never ever use #sed for that!)
#XML #XSLT1 #CLI

In Bash `~sylvain` is expanded to the home directory of the user whose login is 'sylvain'

I don't know if this works with other usernames though...
;)

#Bash #Shell

Check your Bash skills and challenge your friends:
https://www.yesik.it/BASH-IT-OUT

#Bash #Shell #Challenge #Puzzle #Linux
#YesIKnowIT @itsfoss2

Fine tune Linux Kernel I/O by setting up dirty page parameters.

https://lonesysadmin.net/2013/12/22/better-linux-disk-caching-performance-vm-dirty_ratio/

#Linux #Kernel #Cache #Disk #Tuning

Does the opensource adoption in public services have evolved since I published that?
https://itsfoss.com/open-source-adoption-europe/ …

#FOSS #OpenData
#eGovernment #PublicAdministrations
#EU #Europe
#YesIKnowIT @itsfoss2

Do you need "child" containers -- or "sibling" containers?

http://jpetazzo.github.io/2015/09/03/do-not-use-docker-in-docker-for-ci/
by @jpetazzo

#Docker

Tired of fighting against a bloated word processor when writing your latest report, novel, technical documentation or blog post?

Maybe that's the sign you're ready to consider using a lightweight markup language...
https://itsfoss.com/asciidoc-guide/

#AsciiDoc #LaTeX #FOP
@itsfoss2

How to Install Software from Source Code… and Remove it Afterwards

https://itsfoss.com/install-software-from-source-code/
#Linux #Beginner #C #Git #Make #Compiling #NodeJS
#YesIKnowIT @itsfoss2

When you have to fight against tab completion trying to be smart:

touch a.zap
unzip a<tab> #nothing
\unzip a<tab> #completed
unzip a<esc>/<esc>/ #completed

#CLI #Shell #Bash #History #TabCompletion
#YesIKnowIT

A text that must be studied at school in the #ModernHistory, #Engineering and #Philosophy classrooms.

@stephenfry on The Internet
https://youtu.be/A7JjxaKDgGo

How to Run a Web Server from a Docker Container?
https://www.yesik.it/EP16

#Docker #Container #Apache #HTTP #WebServer
#YesIKnowIT

Intriguing. What is the typical use case of running Docker on a RaspberryPi w/ Raspian?

https://docs.docker.com/engine/installation/linux/docker-ce/debian/
#Docker #RPi #RaspberryPi #Raspian