Linux

I was forced to be asked ：TCP What if the handshake doesn't work ?

hello everyone , I'm Kobayashi . I received a reader's question before , about TCP Some questions about three handshakes and four waves ： First ...
2021-08-19 19:33 views 6

5 Minutes Linux top Basic usage of command

Top command Linux The system can top Command to view the of the system CPU, Memory , Running time , Swap partition , Execution thread and other inf...
2021-08-19 12:52 views 7

xargs Convert standard input to command line parameters

Some commands don't support input streams, as we said earlier , Some commands do not support input streams , Only command line parameters are supp...
2021-06-09 01:19 views 3

linux Cute little order

Useless knowledge has increased 1. Steam train sudo apt-get install slsl2. Did you moo today? Who can refuse a moo moo My calf apt-get moo3. Talki...
2021-06-03 11:11 views 2

Hiding and tampering Linux Command line parameters

If the command line of a program is a password And so on , How to prevent ps How about printing it out ?ps From /proc/$pid/cmdline Command line in...
2021-04-03 08:31 views 3

makefile Simple use of （ With examples , Easy to understand series ）

stay Linux Environment , We complete the compilation of a file , Just one gcc [filename] Your orders ; however , When we are compiling a project ,...
2020-11-24 22:18 views 4

linux Performance tuning methodology of system database server

One ,I/O Tuning in progress I/O Many decisions have to be made when tuning . Is the original device or file system used ? Whether to use direct ...
2020-10-29 09:53 views 7

Network error problem :RTNETLINK answers: File exists

Network error problem :RTNETLINK answers: File exists Error paste ：[root@localhost network-scripts]# systemctl restart networkJob for network.serv...
2020-08-18 10:02 views 3

ping Add time information

If you want to achieve ping Add time information , And then save it to a file in real time , Well, then awk combination 1, only need ping informat...
2020-08-17 22:52 views 6

Linux Common basic commands View help documents

In our use Linux When you order , How do you know what options are available under this command ?    （ One ） command --help    It's usually Linux...
2020-08-17 02:04 views 4
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