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put [resolve google.com server 8.8.8.8]

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lsof → List open files.
lsof -i :PORT → Shows networking related port
lsof -i@IP → Shows connections to a specific host
lsof -i -sTCP:LISTEN → Shows listening ports
lsof -i -sTCP:ESTABLISHED → Shows established connections
lsof -u USER → What user opens
lsof DIR → Shows everything interacting with a given DIR
lsof -i :PORT → Shows which process uses the port

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# REDIS CHEATSHEET
# ALL THE COMMANDS YOU NEED TO KNOW


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

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Docker
========================

**Install Docker**

echo "nameserver 178.22.122.100" > /etc/resolv.conf افزودن DNS  شکن در فایل مذکور برای دور زدن تحریم ها

curl -fsSL get.docker.com -o get-docker.sh دانلود اسکریپ ذکر شده و اجرای آن برای نصب کامل داکر 
sh get-docker.sh

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# Lab CI/CD

install and test ci/cd in gitlab

## Installation
-Install 4 linux debian server

-Make host onliy virtual network (Vboxnet0)

-for all vm make 2 interface internet/Vboxnet0

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sudo adduser $USERNAME vboxusers
nano /etc/udev/rules.d/60-vboxdrv.rules

	SUBSYSTEM=="usb_device", ACTION=="add", RUN+="/usr/share/virtualbox/VBoxCreateUSBNode.sh $major $minor vboxusers"
	SUBSYSTEM=="usb", ACTION=="add", ENV{DEVTYPE}=="usb_device", RUN+="/usr/share/virtualbox/VBoxCreateUSBNode.sh $major $minor vboxusers"

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install docker 
docker pull camunda/camunda-bpm-platform:latest
docker run -d --name camunda -p 8080:8080 camunda/camunda-bpm-platform:latest
make new network docker vm = 192.168.56.3(host only)
<script>
root@docker:~# docker container ls 
CONTAINER ID        IMAGE                                 COMMAND                  CREATED             STATUS              PORTS                                        NAMES
7cdc7a4123b7        camunda/camunda-bpm-platform:latest   "/sbin/tini -- ./cam…"   14 minutes ago      Up 8 minutes        8000/tcp, 9404/tcp, 0.0.0.0:8080->8080/tcp   camunda
root@docker:~# docker start 7cdc7a4123b7257e83c8be3e3d9d67ececf2ed8f865289286449c978b800b1fc 
in my browser:

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apt-get install docker 
#show conteiner
docker pull ubuntu 
docker ps -a
docker attach c1988b7b20c6 
docker start c1988b7b20c6
https://mondedie.fr/viewtopic.php?pid=29034#p29034
https://training.docker.com/self-paced-training
DOCKER VS VAGRANT: http://stackoverflow.com/questions/16647069/should-i-use-vagrant-or-docker-for-creating-an-isolated-environment?rq=1
https://docs.docker.com/kitematic/nginx-web-server/

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https://mega.nz/#!B3QzzSLI

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Introduction

The following document describes how we can communicate with IBSng API through JSONRPC.

Note that IBSng is capable of handling requests in XML format as well, which in this case the IBSng XMLRPC server is responsible of processing/answering the requests but it is not the purpose of this document

All the samples of this document are implemented with curl command to make it independent of any programming languages.

Each operation in IBSng can be done by calling its appropriate method. The methods are categorized in different sections called handler. All the handlers/methods are described in here. So if we want to refer to an specific method it has following form: <handler_name>.<method_name>.