Some of the most commonly used Linux command finishing

1. Implementation of remote and local file copies using SCP

Copy the local files to the remote machine
Scp/path/file.txt User@ip:/home/user
(If it is a Windows machine, then Scp/path/file.txt user@ip:d:/path/file)
Copy the files on the remote machine to the local
SCP User@ip:/home/user/file.txt/home/user
If you want to use a specific port using scp–p (uppercase) such as SCP–P 1234 User@ip:/home/user/file.txt/home/user
If you need to copy the entire directory, add-r parameters such as Scp–r user@ip:/home/user//home/user/

2.linux Disk Management Command –du

DU-SH lists the amount of space occupied by the current directory, the-s does not contain the size of subdirectories, and-H is shown in general reading, such as 11G, not 11534336

3. View Linux Process

Ps-aux | grep JBoss to view the commands of the JBoss process. grep is followed by a regular expression that indicates that a process containing jboss was searched from the previous command Ps-aux.

4. Find Files command: Found

Find Pathname-options [-print-exec-ok ...]
Options common parameters are: name (filename),-mtime-n +n (file change time), type (file type: B block device file; d directory; C character device file; p pipeline file; l symbolic link file; F normal file)

5. Find the strings that match the criteria in the file: grep

6. View CPU Information Cat/proc/cpuinfo
7. How long does the display system run: Uptime
8. View the currently logged-on user and server Load:w
9. Kill a process: killall-9 process_name or kill-9 pid
10. View recently logged in User: last
11. Disk usage in file system: DF-MT

12. View Memory Usage free

Free-m-S 5-c 5, in megabytes per 5s output memory usage, a total output of 5 times.
Where the-m parameter shows the MB, the-s parameter shows the latency (for constant output), the-c parameter indicates the number of outputs