# redhat
yum install -y gcc python36-devel openssl-devel
yum install -y sshpass openssh-clients


# 保存当前类库
# pip3 freeze > requirementes.txt

# 恢复类库
pip3 install -r requirementes.txt

# 清除所有虚环境的包 !! 危险 !!
pip3 freeze | xargs pip3 uninstall -y

# ssh_config设置样例
cat <<'EOF'>/root/.ssh/config
Host *
    StrictHostKeyChecking no
    UserKnownHostsFile=/dev/null
EOF

# 清理ros的dns
ansible-playbook -i inventory/default.ini --extra-vars 'ansible_ssh_pass=xxxx' ip_dns_cache_flush.yaml

# 密钥生成
openssl rand -base64 128 | tee ~/.vault_password_file

# 加密字串
ansible-vault encrypt_string 'mypass'

# 解密字串
ansible es -m debug -a 'var=ELK_LOGSTASH_PASS'