1. File operation
Create a file. If the file name does not exist, create it directly. If it exists, change the access time
touch [option] filename1 filename2...
root@ubuntu:~/Test# touch hello.c
rm command: delete file or directory
Parameter - r recursively delete subdirectories
rm -rf * del ...
Added by evo4ever on Mon, 29 Jun 2020 11:43:38 +0300
All requirements of this time come from: https://edu.cnblogs.com/campus/gzcc/GZCC-16SE2/homework/3075
This job is to crawl the information about python's relevant positions on the pull hook network. Through crawling the data such as position id, city, full name of the company, welfare treatment, work place, education requirements, wor ...
Added by jblallement on Sat, 27 Jun 2020 09:09:45 +0300
1. What is PXE
2. Working process of PXE
2, Realize network manual installation
1. System environment preparation
2. Install and configure dhcp service
3. Install and configure tftp service
4. Install and configure httpd service
5. Configure PXE boot program
(1) PX ...
Added by webweever on Fri, 26 Jun 2020 09:39:26 +0300
Today, I will talk about Socket communication under Linux, including client and server.
Customer service terminal
The idea of connecting the client to the server is as follows:1. Establish Socket link,
2. Set the communication mode, IP and port of the server, and specifically set sockaddr_in, the ...
Added by lemonpiesaregood on Wed, 24 Jun 2020 10:11:07 +0300
Dockerfile introduces and commonly used instructions, including FROM, RUN, COPY, ADD, EXPOSE, WORKDIR, etc. in fact, dockerfile has powerful functions and provides more than ten instructions.
Dockerfile is a text file used to build an image. The text content contains instructions and instructions required to build an image. ...
Added by programguru on Sun, 21 Jun 2020 11:49:45 +0300
C + + learning diary
Double colon scope operator
Using declaration and using compilation instructions
The enhancement of c + + to c
Memory allocation of const
The difference between const and define
Up down type conversion
Type conver ...
Added by ghazianibros on Sun, 21 Jun 2020 06:30:36 +0300
In " Packaging and deploying complex applications to the k8s cluster using helm "In this article, we package the application as a chart with helm, which simplifies the deployment process. However, while helm supports Seamless Upgrades for Stateless Applications on the line of Basic Install, replacing the mirrored version to ta ...
Added by kevin_newbie on Fri, 19 Jun 2020 19:26:51 +0300
The theme of this article is "Ceph use series - Ceph RGW use", welcome to pay attention.
Ceph RGW introduction
Ceph object gateway is an object storage interface built on librados, which aims to provide a RESTful gateway to Ceph storage cluster for applications. Ceph object storage uses t ...
Added by isuckat_php on Fri, 19 Jun 2020 11:32:47 +0300
I. description of preconditions
1.1 overview of installation preparation
Red Hat OpenShift container platform is composed of Red Hat as RPM package and container image. The RPM package is downloaded from the standard Red Hat repository (Yum repository) using the subscription manager, and the container image is from the Red Hat private reposit ...
Added by jcantrell on Fri, 19 Jun 2020 06:48:12 +0300
Some time ago, I participated in a competition and needed to complete the voice positioning function of ROS robot, but for various reasons, I failed to complete this function. Now I will sort out the overall idea as follows.
1. Hardware introduction
**First of all, the purpose of ...
Added by brianjw on Fri, 19 Jun 2020 05:54:34 +0300