Let's see how to display yesterday's date with the date command.
On MacOS, we pass the following command:
date -v -1d +'%Y-%m-%d'
On Linux:
date -d 'yesterday' +'%Y-%m-%d'
date -v -1d +'%Y-%m-%d'
date -d 'yesterday' +'%Y-%m-%d'
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.
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.
In this article, share the use of built-in instructions on MacOS to install the operating system of Raspberry Pi. Regarding the dd command during this installation process, please carefully specify the parameter of your of, which is the location of the write output to the file, If you make a mistake, your system will be destroyed.
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