linux功能命令

端口扫描

nc -nvz 175.24.120.234 1-1000

创建多级目录

https://www.jianshu.com/p/d9be0321f519

ssh-proxycommand；自动跨过中间节点，直达目标

https://cikeblog.com/proxycommand.html

删除大文件或者大量文件的文件夹

https://blog.csdn.net/liuxiao723846/article/details/51626305

https://blog.csdn.net/sd4493091/article/details/80414053

git-clone使用代理

https://www.cnblogs.com/chenzhaoyu/p/12936989.html

git-clone使用非标端口

https://blog.csdn.net/leeshunpeng/article/details/80234382

ssh免密登录（权限满足）

ssh-copy-id -i ~/.ssh/id_rsa.pub work@172.1.2.3（输密码）

~ 755
~/.ssh 700
~/.ssh/authorized_keys 644 或 600

修改hostname

https://www.linuxdashen.com/3%E7%A7%8D%E6%96%B9%E6%B3%95%E6%9B%B4%E6%94%B9linux%E7%B3%BB%E7%BB%9F%E7%9A%84%E4%B8%BB%E6%9C%BA%E5%90%8Dhostname

网卡添加IP

http://www.361way.com/ifconfig-ip-ip/1835.html

挂载盘

https://www.cnblogs.com/cc66/p/9414718.html

出现mount: unknown filesystem type 'LVM2_member'的解决方案

https://blog.csdn.net/a19860903/article/details/54894534

修改ulimit最大可以设置的值(ulimit: open files: cannot modify limit: Operation not permitted)

https://blog.csdn.net/Del_Zhu/article/details/50848775