Docker Cheatsheet

docker镜像更换国内源中间mirrors.xxx.com可以替换成其他源。RUN sed -i "s@http://\(deb\|security\).debian.org@https://mirrors.aliyun.com@g" /etc/apt/sources.list

Linux Cheatsheet

Cron表达式* * * * * username some_command参数分别为分钟小时日期月份星期(0-6)用户名命令所有涉及目录的操作最好使用绝对路径。网络查看端口占用查看某个端口被什么进程占用。netstat -anp | grep PORT例子:查看6379(redis)端口占用# n
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