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
问题 vmware共享文件夹失效
vmhgfs-fuse .host:/ /mnt/hgfs -o subtype=vmhgfs-fuse,allow_other
执行上面命令
ssh 开启密码登陆 PasswordAuthentication yes
ls 显示颜色 alias ls='ls --color=auto'
sudo dhclient enp0s3
https://www.freesion.com/article/17221376104/#3_python37dev_32
snap卸载旧版本 snap list --all snap remove "$snapname" --revision="$revision" snap remove core --revision=16574
/usr/bin/env ssh -o StrictHostKeyChecking=no -p 22 [email protected] 'cd ~/.syncd; tar -zxf 10535.tgz -C /home/dev/search-engine; rm -f 10535.tgz'