The following commands are common to both Linux and MacOS
find . -type f -mtime -7 -name "*.php"
| parameter | illustrate |
|---|---|
| . | Start searching under the current directory, including subdirectories. |
| -type f | f means the type is file, d means the type is directory |
| -mtime -7 | -7 (minus seven) represents files that have changed within 7 days. |
| -name "*.php" | Only find files with the extension php |
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.
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🥹
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