How to clear the current command line in Linux or Mac terminal?
For example, if you typed a bunch of instructions wrongly, and you want to clear them,
Be sure to do the same as I used to, use the reverse key to kill slowly, we can use ctrl+u
Remove the entire command line directly.
If you press ctrl+u to delete the entire line command,
If you want to restore , you can press ctrl+y .
On the new version of RHEL 7/CentOS 7 or Fedora, we can check the status and make adjustments through timedatectl.
Sometimes it is necessary to generate an ssh key pair for automatic configuration. There is no password query in the command line, and an ssh key pair is generated.
This article uses CentOS 6.2 to rebuild curl and git. The main reason is that the operating system is too old, so I directly build the latest version of git from source.
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