The
hostnamectl set-hostname hostname
The
hostnamectl set-hostname hostname
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🥹
This article mainly shares how I use Docker to apply for a Let's Encrypt certificate. Let's Encrypt has quite a variety of ACME Clients, I will use the official push Certbot (ACME Client) for illustration. And use docker to execute ACME Client.
In the directive of Laravel 5.6, there is a new function called @dump Let's see how cool he is.
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