~$lsblk
~$df -h
~$df -hT
#分区工具
~$cfdisk
#重启网络
~$/etc/init.d/network restart
#查看日志
dmesg | grep mmcblk0
dmesg | grep pcie
#磁盘分区及挂载
#硬盘格式化
mkfs.ext4 /dev/
#新建挂载目录
mkdir /mnt/sd1
mkdir /mnt/nvme1
#挂载和卸载硬盘
mount /dev/sda1 /mnt/sd1
#弹出u盘
disksctl power-off -b /dev/sdc
#硬盘读写测试
~$sudo dd if=/dev/zero of=/mnt/nvme1/test.db bs=8k count=500000 #写入测试
~$sudo dd if=/dev/nvme0n1p5 of=/dev/null bs=8k count=500000 #读取测试
~$sudo hdparm -t /dev/nvme0n1 #读取测试
dd if=/dev/zero of=/mnt/sd0/deleteme.dat bs=32M count=64 oflag=direct,nonblock
dd if=/mnt/sd0/deleteme.dat of=/dev/null bs=32M count=64 iflag=direct,nonblock
#网速测试
~$iperf3 -c 192.168.xxx.xxx -p 5201
