sar installation and startup
1. Historical statistics
2. Statistics of CPU usage
Sar-u 23 ා statistics every 2 seconds three times in total
sar -q ා view average load
3. Check memory usage
4. View system Swap partition information
5. View I/O ...
Posted on Thu, 25 Jun 2020 23:21:20 -0400 by waq2062
1, What is MinGW-w64?
The full name of MinGW is: Minimalist GNU on Windows. In fact, GCC, the classic open source C language compiler, is ported to the windows platform and contains the Win32 API, so the source code can be compiled into executable programs that can run in windows. In addition, you ...
Posted on Thu, 25 Jun 2020 06:26:36 -0400 by jay_bo
task_ Source location of struct:
Including user / kernel running time, up / down switching times, startup time, etc;
u64 utime;//CPU time consumed in user mode
u64 stime;//CPU time consumed by kernel state
unsigned long nvcsw; ...
Posted on Thu, 25 Jun 2020 00:28:10 -0400 by mjurmann
The type of login verification code I cracked is the type of mathematical formula, i.e... does it look simple, but Tesseract's recognition rate of this kind of picture is also very low. If I want to improve the recognition rate in the later stage, I think one is to reduce the noise and sharpen the picture, and the other is to train Tess ...
Posted on Thu, 25 Jun 2020 00:25:22 -0400 by tjhilder
1, Account security control
1.1: basic measures for account security
1.1.1: system account cleaning
1.1.2: password security control
1.1.3: command history, automatic logout
1.2 user switching and rights raising
1.2.1: su command - switch user
1.3: PAM security authentication in Li ...
Posted on Wed, 24 Jun 2020 23:16:52 -0400 by gsaldutti
Hexo is a fast, concise and efficient blog framework.Hexo Use
Markdown (or other rendering engine) parses the article and generates a static web page with beautiful themes in seconds.
Hexo is one of the most popular blog frameworks, so I'll try to do some basic functionality testing myself.The reason ...
Posted on Wed, 24 Jun 2020 22:26:30 -0400 by fwegan
Today when I formatted the string with awk, I found a strange phenomenon. I checked the awk manual and recorded it here.
Sample Text Content
Appearing in all awk names afterFile.txtThe contents are as follows:
# cat -A file.txt
Posted on Tue, 23 Jun 2020 12:55:31 -0400 by Brudus
Write before: Blogger is a rebel who pursues freedom after 80's standard of devoting himself to education and training. His nickname comes from Su Shi's "the height is too cold" in "the head of the tune of water". He always reminds himself to stand the loneliness and suffer the loneliness. On the road of technology, he is ...
Posted on Tue, 23 Jun 2020 03:37:21 -0400 by Fribbles
This article has been included GitHub There are also real interview questions, interview strategies, efficient learning materials, etc
1, Implementation principle of container
In essence, container is a sandbox technology. It's like isolating an application in a box and making it work. Because of the box boundary, there is no interference b ...
Posted on Mon, 22 Jun 2020 00:38:31 -0400 by LearningKid
In the previous section, I talked about the simple use and basic principles of docker machine, refer back to https://www.cnblogs.com/qiuhom-1874/p/13160915.html ; Today let's talk about docker cluster management tool docker swarm; docker swarm is the official cluster management tool for docker, which allows cross-host nodes to create and manage ...
Posted on Sat, 20 Jun 2020 12:53:46 -0400 by nel