Shell常用操作

Shell常用操作

1.查看端口

1. 查看端口是否开放
   #查看开放端口

   lsof -i:端口号
   

2.磁盘挂载

#磁盘挂载

1. 查看没有挂载的磁盘

   # 查看当前挂载的目录
   [root@fraud-site-spider-1 ~]# df -TH
   Filesystem     Type      Size  Used Avail Use% Mounted on
   devtmpfs       devtmpfs  8.3G     0  8.3G   0% /dev
   tmpfs          tmpfs     8.4G  4.1k  8.4G   1% /dev/shm
   tmpfs          tmpfs     8.4G   19M  8.3G   1% /run
   tmpfs          tmpfs     8.4G     0  8.4G   0% /sys/fs/cgroup
   /dev/sda1      xfs        33G   21G   13G  63% /
   tmpfs          tmpfs     1.7G     0  1.7G   0% /run/user/0
   /dev/sdb       ext4      106G   57G   44G  57% /home
   /dev/sdc       ext4      529G  484G   18G  97% /tmp_data
   # 查看磁盘
   [root@fraud-site-spider-1 ~]# fdisk -l
   
   Disk /dev/sdc: 536.9 GB, 536870912000 bytes, 1048576000 sectors
   Units = sectors of 1 * 512 = 512 bytes
   Sector size (logical/physical): 512 bytes / 512 bytes
   I/O size (minimum/optimal): 512 bytes / 512 bytes
   
   Disk /dev/sdb: 107.4 GB, 107374182400 bytes, 209715200 sectors
   Units = sectors of 1 * 512 = 512 bytes
   Sector size (logical/physical): 512 bytes / 512 bytes
   I/O size (minimum/optimal): 512 bytes / 512 bytes
   
   Disk /dev/sda: 32.2 GB, 32212254720 bytes, 62914560 sectors
   Units = sectors of 1 * 512 = 512 bytes
   Sector size