Programmer Group

I. Tkinter Installation To install Tkinter in Python 3, you need to upgrade the Python version and recompile it!!! 1. System Version and Python Version [root@server1 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.2 (Maipo) Python Version: 2.7.5 2. Introduction to Tkinter (1) Introduction t ...

I. Environmental preparation CentOS 7 + Apache 2.4.6 + PHP +Mariadb Apache and Mariadb are installed directly by yum, and PHP is installed by binary source code. The previous items here are the same as the snipeit asset management system installed before. Pre-installation preparation 1. System Update # Note Use Centos 7.5 ...

Catalog 1 awk command 1 awk command Copy exercise files [root@worker1 dir9]# cp /etc/passwd ./testpasswd Print the first field [root@worker1 dir9]# head -n2 testpasswd | awk -F ':' '{print $1}' ROOT bin Print entire line [root@worker1 dir9]# head -n2 testpasswd | awk -F ':' '{print $0}' ROOT:x:0:0:roooot:/root:/bin/ ...

The input file will not be modified, sed only executes the replacement command in the schema space, and then outputs the schema space's Content. Text file employee.txt 101,John Doe,CEO 102,Jason Smith,IT Manager 103,Raj Reddy,Sysadmin 104,Anand Ram,Developer 105,Jane Miller,Sales Manager 1. Replace Manager in all rows with Dire ...

1. Download the tar package, which is downloaded from the official website using wget wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz 2. Install mysql under / usr/local/mysql # decompression tar -xvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz # move mv mysql-5.7.22-linux-glibc2.12- ...

DR mode cluster. In fact, it should be the IP of the Internet. Here we simulate the phenomenon. Packet back directly from the web to the client. Problems that may arise 1. Cluster addresses (web backpack IP is different from client requests) require vip to be established. 2. Router ARP request (need to turn off web1, web2 par ...

Print the content between a line and a line If the content of the file test.txt is: ert fff ** [abcfd] 123 324 444 [rty] ** fgfgf How can we intercept [abcfd] 123 324 444 [rty] What about this part? Operating commands: Know the contents of the start and end lines [root@centos01 t1019]# sed -nr '/\[abcfd\]/,/\[rty\]/p' test.txt [abcfd] 123 3 ...

StartSonar.bat cannot start in Sonarqube. Win10 Problem Description and Final Solution Establishing Sonar database Modify the configuration file conf sonar. properties Problem Description and Final Solution 1. Download MySql 5.7.23, Sonar 6.7.5 2. Following the installation documents on the Internet, the Sonar database ...

In response to the company's business needs, the closest to build a set of portfolio services, the network did not find a similar portfolio architecture, so I will build the process and share some new, I hope that friends with relevant needs will have the role of throwing a brick to attract jade!The objectives to be achieved are ...

Brief Description: This project is a rewrite of swagger 2 UI page and a test project. It really won't write a brief description, but it's a direct topic. Want to see the effect map. How to use it? Adding dependencies to pom files is as follows <dependency> <groupId>io.springfox</groupId> <artifa ...