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'
For Linux system administrators, you must understand the ps aux command. If you want to be a Linux system administrator, or you are a Linux user, you should understand this command. ps is process status For short, anyone can find out what kind of program is running on the system and how the status is executed through this command. I saw some programs that should not appear, maybe the system was hacked and used to mine🥹
Introduce a bash I wrote to connect to colab vm through ssh. One line of instructions, get colab OpenSSH Server.
Htop is a free (GPL) ncurses-based program monitor tool for Linux. It is similar to top, but allows you to scroll vertically and horizontally, so you can see the full command line running on the system, And you can view them as program trees, select multiple programs and operate them.
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