Docker's Custom Mirror Upload Aliyun

Introduction to Alpine Linux 1.Alpine Linux is a lightweight Linux distribution. It is different from the usual Linux distribution (centos, Ubuntu), Alpine uses musl libc and BusyBox reduces system size and runtime resource consumption. 2.Alpine Linux provides its own package management tool ...

Posted by lanjoky on Sun, 23 Feb 2020 05:29:38 +0100

ZABBIX docking flybook realizes alarm notification with pictures

Flybook provides rich api to realize message notification, including text message, picture message and rich text message. This paper introduces the use of flybook api to send rich text message. The following is the implementation ideaAPI address: https://open.feishu.cn/document/ukTMukTMukTM/uITNz4iM1MjLyUzM Implementation ideas 1. Get the mon ...

Posted by Flames on Fri, 21 Feb 2020 15:33:55 +0100

Failure analysis | Crash caused by binlog flush failure

By xuty Open a pit to record the process of MySQL source code tracking and learning due to problem solving needs or interest research. 1, Problem phenomenon MySQL Crash occurs in a project. The related error log logs are as follows. From the logs, it can be seen that the problem is caused by binlog error, but the specific reason can not be c ...

Posted by mars_rahul on Fri, 21 Feb 2020 14:43:21 +0100

Text gadget for shell programming

1. Text Processing Tools1. grep tools2. cut tool3. sort tool4. uniq Tools5. tee tools6. diff tools7. Pase Tool2. Characteristics of bash1. Auto-Completion of Commands and Files2. Common wildcards3. Quotes in bash 1. Text Processing Tools 1. grep tools grep is a==row==filter tool; used to filter rows based on keywords Grammar and Options Gr ...

Posted by released on Thu, 20 Feb 2020 19:20:16 +0100

Linux file system and LVM

1, Manage file system 1. Creating an EXT4 file system The mkfs (Make Filesystem) command is used to create a file system (format). The basic syntax format of the mkfs command is as follows: 1) mkfs application example Format the / dev/sdb1 partition as an EXT4 file system. <! -- self planning zone -- > [root@centos01 ~]# fdisk / ...

Posted by Namadoor on Mon, 17 Feb 2020 08:35:31 +0100

Python - First Identity Object Oriented

Wedge Now you are a developer of a game company. Now you need to develop a game called Dog and Human Warfare. Just think, Dog and Human Warfare requires at least two roles. One is human and the other is dog. People and dogs have different skills, such as people fighting with sticks and dogs. Dogs can bite people. How can you describe these diff ...

Posted by Spinicrus on Sat, 15 Feb 2020 20:32:30 +0100

Introduction to rpm package management

API: application program interface ABI: application binary interface The ABI file of linux system is in ELF format The ABI file of windows system is in the form of exe and msi System level development language: c/c++ Works: httpd, vsftpd, nginx Application level development: java/python/php java works: hadoop, hbase python works: openstack It's ...

Posted by dekeb55 on Sat, 15 Feb 2020 11:28:04 +0100

Use Sonar for Code Quality Management and Mail Alarm

1. Overview of Sonar Sonar is an open platform for code quality management.Through the plug-in mechanism, Sonar can integrate different testing tools, code analysis tools, and continuous integration tools. Unlike continuous integration tools such as Hudson/Jenkins, Sonar does not simply display the results of different code inspection tools (s ...

Posted by NixNod on Thu, 13 Feb 2020 23:00:45 +0100

Linux basic software installation Git (server installation)

brief introduction Git is an open source distributed version control system for agile and efficient processing of any small or large project. Git is an open source version control software developed by Linus Torvalds to help manage Linux kernel development. In the current software development, Git/SVN, two version control sys ...

Posted by tallberg on Thu, 13 Feb 2020 20:15:01 +0100

Function introduction of MySQL8 role

The role function is not special for Oracle database. However, for MySQL, the role function added in MySQL 8.0 is quite novel, which is also what many users of MySQL have been expecting The role function added in MySQL 8.0 allows DBAs to create roles, grant permissions to them, and authorize users. Using roles can greatly reduce the work of DB ...

Posted by wblati on Mon, 10 Feb 2020 12:31:48 +0100