linux下常用命令.md

查询端口号对应的进程 netstat -anp | grep 端口号

端口状态 netstat -aptn | grep 3334

上传文件 scp ./portal.tgz [email protected]:/home/lvchao

后台启动进程 nohup ./worker -env=PRESSURE &

ubuntu网络图标消失 sudo service NetworkManager stop sudo rm /var/lib/NetworkManager/NetworkManager.state sudo service NetworkManager start

dhclient ens33 网络错误

解压时间不对报错解决 tar -xvzf portal.tgz -m

grep 匹配多个条件

cat admin.log |  grep -P '^(?=.*taskRun)(?=.*cbljlo4f6iful983g1p)'

k8s --- kubectl exec -it "podName" /bin/bash

mysqldump -u lvchao -p -h rm-m5e8n214n083l36wjno.mysql.rds.aliyuncs.com green admin_routes > admin_routes.sql

mysql 查询重复元素 select employee_name,count(*) from employee group by employee_name having count(employee_name)>1;

set global sort_buffer_size = 2097152*4;

linux查询公网ip curl cip.cc