Arash Sami rshsmi

## cmd
# Upload an WMware Image to the Datastore, Boot up the image:
at boot 'e'
coreos.autologin=tty1
set user/pass

# Set password
$ sudo passwd core

# To update if needed
$ update_engine_client -check_for_update

## cloud-config.yml
#cloud-config

users:
  - name: "core"
    passwd: "$1$TEw13kGK$nlxMSKdmHY1VmOZaDw/8o."

## coreos-packer.json
{
  "ignition": {
    "config": {},
    "timeouts": {},
    "version": "2.1.0"
  },
  "networkd": {},
  "passwd": {
    "users": [
      {

## WARNING-IPv4-forwarding
docker run mysql -p 3306:3306 -d
WARNING: IPv4 forwarding is disabled. Networking will not work.
# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 0
# sysctl -w net.ipv4.ip_forward=1

## chng-hostname-centos7
# hostnamectl status
# hostnamectl set-hostname Your-New-Host-Name-Here --static

## tmp-part
Add fstab entry
/dev/mapper/somepartition /tmp ext4 defaults,noatime 0 2

mount -a
chmod 1777 /tmp

## NexusDockerRegistry
docker login artifacts.ath.bskyb.com:5001
docker build -t artifacts.ath.bskyb.com:5001/elasticsearch .
docker push artifacts.ath.bskyb.com:5001/elasticsearch

## NginxReverseProxy
server {
    listen       ...;
    ...
    location / {
        proxy_pass http://127.0.0.1:8080;
    }

    location /blog {
        proxy_pass http://127.0.0.1:8181;
    }

## Rancher
docker run -d --restart=always -p 8080:8080 rancher/server

## add multiple line to a file - Dockerfile
cat <<< 'Line1
Line2
Line3
line4' > ./multipleline.txt
	# Upload an WMware Image to the Datastore, Boot up the image:
	at boot 'e'
	coreos.autologin=tty1
	set user/pass

	# Set password
	$ sudo passwd core

	# To update if needed
	$ update_engine_client -check_for_update
	#cloud-config

	users:
	- name: "core"
	passwd: "$1$TEw13kGK$nlxMSKdmHY1VmOZaDw/8o."
	{
	"ignition": {
	"config": {},
	"timeouts": {},
	"version": "2.1.0"
	},
	"networkd": {},
	"passwd": {
	"users": [
	{
	docker run mysql -p 3306:3306 -d
	WARNING: IPv4 forwarding is disabled. Networking will not work.
	# sysctl net.ipv4.ip_forward
	net.ipv4.ip_forward = 0
	# sysctl -w net.ipv4.ip_forward=1
	# hostnamectl status
	# hostnamectl set-hostname Your-New-Host-Name-Here --static
	Add fstab entry
	/dev/mapper/somepartition /tmp ext4 defaults,noatime 0 2

	mount -a
	chmod 1777 /tmp
	docker login artifacts.ath.bskyb.com:5001
	docker build -t artifacts.ath.bskyb.com:5001/elasticsearch .
	docker push artifacts.ath.bskyb.com:5001/elasticsearch
	server {
	listen ...;
	...
	location / {
	proxy_pass http://127.0.0.1:8080;
	}

	location /blog {
	proxy_pass http://127.0.0.1:8181;
	}