Tools and precautions, Server Management

1. Use of securecrt and winscp tools;

2. Linux is case sensitive, and all its commands are in lower case

3. All content in Linux is saved as files, including hardware

The hard disk file is/dev/SD [A-p]

The CD file is/dev/sr0.

4. Linux does not distinguish file types by extension.

Compressed packages: "*. GZ", "*. bz2", "* .tar.bz2", and "*. tgz"

Binary Package: ". RPM"

Webpage files: "*. html" and "*. php"

Script File: "*. Sh"

Configuration File: "*. conf"

5. All storage devices in Linux must be mounted (with drive letters assigned) before users can use them, including hard disks, USB disks, and optical disks.

Programs in Windows cannot be installed and run directly in Linux.

 

6. Functions of Linux Directories

 

7. Server considerations

The remote server cannot be shut down and can only be restarted.

Service should be closed upon restart

Do not run high-load commands (such as backups) during server access peaks)

Do not force yourself out of the server when configuring the firewall remotely

Specify reasonable password specifications and update them regularly

Assign permissions reasonably

Regularly back up important data and logs

 

Tools and precautions, Server Management