Doh dohsimpson

## install-docker.sh
#!/bin/bash

set -e

KERNEL_VERSION=`uname -r` # make sure kernel version >= 3.10
if [[ $KERNEL_VERSION != *"3.1"* ]]; then
  echo "Kernel version must be >= 3.10"
fi
# for ubuntu 14: there's nothing required to install
# for ubuntu 12

## gist:68a4b792c9c84c1d5238
# execute command when file changed

#!/bin/bash

set -e

prev_cs=""; while true; do
    cur_cs="`md5sum $*`"
    if [ "$cur_cs" != "$prev_cs" ]; then
        rake # change to your command

## public keys
Work
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCk/eYwgSbnJEH8338x77vBmZIYvt3YWLKw9U19fiqHuoO/hBlCuclaZtTXru7GTAs6RIa4AGMHnrZixsVUyA+FmGVNRTl6stgM1//+OumZbKmjqtXzr8BeFa1B3IxhPxI6I0AAn2NCuVyn97mREX1XAesKFNMgRaLhFV5/E+W3fkCV1mz1X8uJihVtZxu+fI9Gnb1KjM2ARHBZRQvghhYuCi7kIl7TlWD9DbwNCC2Yk55PRj/bN7NxZxRHdDA/9q2XZU8LJi6oDgs6hwregXgjuoXd9mdi8XhY/JK8p3xRFhfQ8IHoxQJ6X3YYgu4ITreV81MwoH1Qx6QqoJ4hPdGn user@enting

Home (https://tinyurl.com/entingkey)

## PostgreSQL Commands.markdown

      
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                / PostgreSQL Commands.markdown
            
            
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              July 27, 2017 15:02
            
          
    Built-in Functions

about


version(): get the version of the DB server

datetime


date_trunc('second', TIMESTAMP): remove the milleseconds


## RHCE.markdown

      
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                / RHCE.markdown
            
            
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              September 24, 2017 13:33
            
              
                RHCE
              
          
    Useful knowledge

Command Line


\CMD: run CMD in a sub-shell? (useful for not using .bashrc or .zshrc which might have alias)

System Performance Tools

top: general performance monitoring


press 1: toggle list cpu usage by cores (useful for understanding load average and io wait)
< and >: sort with prev or next colume (starts from cpu)
f (field): add or remove column, in top view, press W to save view to ~/.toprc


## emo-aware.txt
* 3 kinds of meditation: distracted(not meditating); fixed point meditation; open meditation

## angular.txt
## Angluar CLI
* angular new APP_NEW
* angular generate component NEW_COMPONENT

## cordova.txt

## Javascript Package
* npm install/update [-g (install globally, otherwise in $PWD/node-modules dir)] PACKAGE

## Cordova CLI (ref: https://cordova.apache.org/docs/en/latest/reference/cordova-cli/)
* cordova <command> [options] -- [platformOpts]
* verbose output: -d


## Cordova Project

## docker-tools.txt
composerize: turn docker cli command into docker-compose file
* composerize docker run -p 80:80 -v /var/run/docker.sock:/tmp/docker.sock:ro --restart always --log-opt max-size=1g nginx

## better_than_self.txt
* BitTorrent (or http) Download: 百度盘离线下载
* Voip: GMail -> Hangout
	#!/bin/bash

	set -e

	KERNEL_VERSION=`uname -r` # make sure kernel version >= 3.10
	if [[ $KERNEL_VERSION != "3.1" ]]; then
	echo "Kernel version must be >= 3.10"
	fi
	# for ubuntu 14: there's nothing required to install
	# for ubuntu 12
	# execute command when file changed

	#!/bin/bash

	set -e

	prev_cs=""; while true; do
	cur_cs="`md5sum $*`"
	if [ "$cur_cs" != "$prev_cs" ]; then
	rake # change to your command
	Work
	ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCk/eYwgSbnJEH8338x77vBmZIYvt3YWLKw9U19fiqHuoO/hBlCuclaZtTXru7GTAs6RIa4AGMHnrZixsVUyA+FmGVNRTl6stgM1//+OumZbKmjqtXzr8BeFa1B3IxhPxI6I0AAn2NCuVyn97mREX1XAesKFNMgRaLhFV5/E+W3fkCV1mz1X8uJihVtZxu+fI9Gnb1KjM2ARHBZRQvghhYuCi7kIl7TlWD9DbwNCC2Yk55PRj/bN7NxZxRHdDA/9q2XZU8LJi6oDgs6hwregXgjuoXd9mdi8XhY/JK8p3xRFhfQ8IHoxQJ6X3YYgu4ITreV81MwoH1Qx6QqoJ4hPdGn user@enting

	Home (https://tinyurl.com/entingkey)
	## Angluar CLI
	* angular new APP_NEW
	* angular generate component NEW_COMPONENT

	## Javascript Package
	* npm install/update [-g (install globally, otherwise in $PWD/node-modules dir)] PACKAGE

	## Cordova CLI (ref: https://cordova.apache.org/docs/en/latest/reference/cordova-cli/)
	* cordova <command> [options] -- [platformOpts]
	* verbose output: -d


	## Cordova Project
	composerize: turn docker cli command into docker-compose file
	* composerize docker run -p 80:80 -v /var/run/docker.sock:/tmp/docker.sock:ro --restart always --log-opt max-size=1g nginx
	* BitTorrent (or http) Download: 百度盘离线下载
	* Voip: GMail -> Hangout