vi /etc/ssh/sshd_config
systemctl restart sshd.service
firewall-cmd --permanent --add-port=3389/tcp
firewall-cmd --reload
vi /etc/selinux/config
reboot
Linux设置登录欢迎信息 vi /etc/motd
脚本加密 gzexe 1.sh
centos系统版本 cat /etc/redhat-release
centos32/64 getconf LONG_BIT