Summary of small knowledge

2. Getmac// Get your computer MAC Address

4. DEVMGMT// Open Device Manager

6. Taskmgr// Open Task Manager

8. Slide off: C:\Windows\System32 folder, found in the inside "Slidetoshutdown

10. Modify Linux Computer Name: vi/etc/sysconfig/network

12. Linux command:

ctrl+u------- clear the contents before the cursor, quickly delete Shell The wrong command is not required to be deleted by character

ctrl+k------ clear the contents after the cursor

2. Shu Tdown-h Now shutdown now

4. Shu Tdown-r Now Restart your computer now

6. reboot Restart your computer now

8. More , displaying the contents of the file with pagination, Ctrl + Page up upside down, Sky grid

10. les s to display the contents of the file with pagination

12. grep to query the text for content

14. Df View disk usage   

16. RPM is a Redhat Package Manager ( Redhat package management tools) abbreviations .

18. RPM-IVH Rpm Package Full path name: Install package to current system

-I=install, installation

-V=verbose , prompt, that is, a prompt message

-H=hash , progress bar

-Q , Query

-U , Upgrade

Delete RPM Package

rpm-e Rpm the name of the package

2. Samba The service software enables Windows with the Linux resource sharing is now

4. Cal View Calendar

6. Apache the default character set for the server is UTF-8

8. FTP main configuration file for the service :/etc/vsftpd.conf

10. FTP Service Use port : £ º Control Port ,: Data Port

12. Linux two types of mail sending software are available under : Sendmail, Postfix

14. Iptables rules (rules): rules (rules), Reject (Reject), Discard (drop)

16. Head - N 1/etc/issue # viewing the operating system version

18. Cat /proc/cpuinfo # View CPU Information

20. Lspci-tv List all PCI Equipment

22. Lsusb-tv List all USB Equipment

24. Lsmod list the loaded kernel modules

26. ENV View Environment Variables

28. free-m view memory usage and swap usage

30. df-h view the usage of each partition

32. grep Memtotal/proc/meminfo # View Total Memory

34. grep Memfree/proc/meminfo # To view the amount of free memory

36. Uptime # View System uptime, number of users, load

38. Cat/proc/loadavg # View System Load

This article is from "Tony" blog, declined reprint!

Summary of small knowledge