https://segmentfault.com/a/1190000002533334
http://ruikye.com/2014/08/30/github-gist/
https://gist.github.com/laispace/666dd7b27e9116faece6
linux把文件压缩成.tar.gz的命令 https://zhidao.baidu.com/question/72708657.html http://www.jb51.net/LINUXjishu/43356.html
修改虚拟机镜像大小(qcow2/raw resize) http://blog.sina.com.cn/s/blog_53ab41fd01013fct.html
25个必须记住的SSH命令,你用过了吗? http://os.51cto.com/art/201011/235252.htm
网站https实战: https://ksmx.me/letsencrypt-ssl-https/ https://wiki.archlinux.org/index.php/Let%E2%80%99s_Encrypt
wiki的作用比较大
在 Arch Linux 上,我们通过 systemd 来自动执行证书续期任务。
$ sudo vim /etc/systemd/system/letsencrypt.service
[Unit]
Description=Let's Encrypt renewal
[Service]
Type=oneshot
ExecStart=/usr/bin/certbot renew --quiet --agree-tos
ExecStartPost=/bin/systemctl reload nginx.service