Remote Command Execution by ssh

deploy.sh

#!/bin/bash
echo "deploy Was started"
hostname -f;
uptime;


for package in $@
do
echo $package
if [ "$(rpm -qa | grep -E "^$package")" != "" ]
then
echo 'jest'
sudo yum reinstall -y $package
else
echo 'niema'
sudo yum install -q -y $package
fi
done

try.sh

#!/bin/bash

HELLO="world"

ssh [email protected] bash -c "'
ls

pwd

if true; then
    echo $HELLO
else
    echo "This is false"
fi

echo "Hello world"
sudo ls -la /root
'"

try1.sh

#!/bin/bash

#ls -la;
echo $1
#sudo ls -la /root;

for n in {1..5}; do echo "I am executed remotly"; done

hostname -f

try2.sh

#!/bin/bash

SERVERS=$(cat serv.txt)

for host in $SERVERS
do
echo $host
ssh $host 'hostname -f; uptime;'
done

try3.sh

#!/bin/bash

SERVERS=$(cat serv.txt)
PACKAGES=$(cat package.txt)

for host in $SERVERS
do
echo $host
cat deploy.sh | ssh $host "cat > /tmp/script ; chmod 755 /tmp/script ; /tmp/script $PACKAGES; rm -f /tmp/script;"
done