Script bash simples para uma vida fácil.
remote.sh
#!/bin/bash
echo "==> start $0";
for server in `cat remote_servers.txt`
do
echo -e "rn==> connect to [$server]";
echo "RUN command [$1]";
ssh root@$server "$1"
if [[ $? == 2 ]]; then
echo "ERROR in command [$*]";
fi;
done;
echo "==> end $0";
remote_servers.txt
example1.com
example2.com
Exemplos de uso:
Exemplo 1
./remote.sh "tail -n 10 /var/log/nginx/error.log"
Exemplo 2
./remote.sh "cd /var/www/v1.0.3.example.com; git pull origin production;"
./remote.sh "rm /var/www/example.com; ln -s /var/www/v1.0.3.example.com/ /var/www/example.com;"