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 .
When we use ssh public key authentication, we usually add relevant settings in ~/.ssh/config. If some are used by the company or at home, can multiple configs be used? In fact, it is possible. We can use git to load the company-shared, version-controlled config through Include.
Not sure who will use it, but I encountered it myself, because my home is a floating IP. A software I installed cannot detect that the ppp0 network card is an external network, so changing the name can trick him into successfully installing it.
rsnapshot is a rsync-based tool that can perform snapshot incremental backups. However, we installed which rsnapshot in CentOS. Why is there no such command? There is no way to install it with yum install rsnapshot?
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