paramiko

yum install wget -y
wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-10.noarch.rpm
rpm -Uvh epel-release-7-10.noarch.rpm
4. yum repolist
5. yum makecache fast
6. yum repolist
7. yum install python-setuptools -y
8. yum install python-pip -y
9.yum install openssl-devel zlib-devel bzip2-devel sqlite sqlite-devel  -y
10. pip install virtualenv

> virtualenv project1
> virtualenv project2
> pip list =====================> output1
> source project1/bin/activate
> pip list =====================> output2
> pip install paramiko
> pip list =====================> output3
> deactivate  =========> make you log out of Project1
> source project2/bin/activate =====>
> pip list
>deactivate
> source project1/bin/activate
> pip freeze > /tmp/requirements.txt
> deactivate
> source project2/bin/activate
> pip list ====> make sure that paramiko is not seen here
> pip install -r /tmp/requirements.txt


Paramiko:
mydata.json
{

‘server1loginid’ : ‘user1’
‘server1loginpasswd’: ‘wElcome@123’

‘server2loginid’:’user2’
‘server2loginpasswd’:’wElcome@123’
}


to run unix commands or unix scripts or any executables on remote systems by specifying
remote systems hostname or ip and login id and password.

f=open(‘mydata.json).read()
mycred=json.loads(f)

cmd=“df -k”
cmd1=“cat /etc/hosts”
srvr=‘server1’
loginid=mycred[‘loginid’]
loginpassword=mycred[‘loginpassword’]

ssh=paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(srvr, username=‘root’,password=loginpassword)
stdout,stderr=ssh.exec_command(cmd)
stdout1,stderr1=ssh.exec_command(cmd1)
mydata=stdout.readlines()
mydata1=stdout1.readlines()
ssh.close
print mydata
print mydata1