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add usb related commands (#66)

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* add usb related commands

* Update readme.md
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Steve Mao
2021-10-02 17:45:36 +10:00
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parent e26908dff9
commit 8e7a2d3b6e
1 changed files with 36 additions and 3 deletions
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readme.md
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@@ -53,7 +53,11 @@ As a computer expert, we want to be more efficient and do our jobs better. We kn
1. [show disk size](#show-disk-size) 1. [show disk size](#show-disk-size)
1. [check performance of your computer](#check-performance-of-your-computer) 1. [check performance of your computer](#check-performance-of-your-computer)
1. [know whether your computer is under load, and whether it's due to memory or CPU](#know-whether-your-computer-is-under-load-and-whether-its-due-to-memory-or-cpu) 1. [know whether your computer is under load, and whether it's due to memory or CPU](#know-whether-your-computer-is-under-load-and-whether-its-due-to-memory-or-cpu)
1. [Poweroff or Reboot your computer](#poweroff-or-reboot-your-computer) 1. [poweroff or reboot your computer](#poweroff-or-reboot-your-computer)
1. [locate USB drives](#locate-usb-drives)
1. [unmount USB drives](#unmount-usb-drives)
1. [format USB drives](#format-usb-drives)
1. [check USB format](#check-usb-format)
1. [Quick tips](#quick-tips) 1. [Quick tips](#quick-tips)
1. [Hotkeys](#hotkeys) 1. [Hotkeys](#hotkeys)
1. [I can't remember these cryptic commands](#i-cant-remember-these-cryptic-commands) 1. [I can't remember these cryptic commands](#i-cant-remember-these-cryptic-commands)
@@ -388,9 +392,9 @@ $ glances
# brew install glances # brew install glances
``` ```
## Poweroff or Reboot your computer ## poweroff or reboot your computer
You can poweroff or reboot your machine via the command line. This can be useful when you're patching a server that is acessed via SSH and you don't have a GUI. This can be useful when you're patching a server that is acessed via SSH and you don't have a GUI.
```shell ```shell
# poweroff # poweroff
@@ -399,6 +403,35 @@ sudo shutdown -h now
sudo shutdown -r now sudo shutdown -r now
``` ```
## locate USB drives
```shell
$ df
```
## unmount USB drives
```shell
$ sudo umount /dev/sdb1
```
## format USB drives
```shell
# FAT32
$ sudo mkfs.vfat /dev/sdb1
# NTFS
$ sudo mkfs.ntfs /dev/sdb1
# exFAT
$ sudo mkfs.exfat /dev/sdb1
```
## check USB format
```shell
sudo fsck /dev/sdb1
```
## Quick tips ## Quick tips
![CLI tips](./cli_tips.jpg) ![CLI tips](./cli_tips.jpg)