qq_21442867的博客

创建受限制的用户

mac 设置xauth。

在线 yum 安装 opensipsyum -y install https://yum.opensips.org/3.0/releases/el/7/x86_64/opensips-yum-releases-3.0-5.el7.noarch.rpmcat /etc/yum.repos.d/opensips.repo [opensips]name=OpenSIPS - Open Source SIP proxy/server for el7 - $basearchbaseurl=https://

1 列出所有开机自启动的服务systemctl list-unit-files --type=service | grep enabled

新建screenscreen -S screenNamescreen -ls退出当前screenctrl a d再次连接 screenscreen -r screenName

1 open filesulimit -a | grep 'open files'

pacman -S openssh -y

pacman -S rsync -y

1 for 循环按行读取文件for line in `cat /etc/fstab`; do echo $line ; done