1. Overview of Helm
1.1 Introduction to Helm
Helm is a package management tool for Kubernetes.Package Manager, like apt in Ubuntu, yum in Centos, or pip in Python, can quickly find, download, and install packages.Typically, each package is called a Chart, and a Chart is a directory (typically, the directory is packaged and compressed to form ...
Posted on Tue, 12 May 2020 00:46:24 -0700 by kettle_drum
1, Installation environment description
Two machines are installed with centos-7-x86_-minimal-1708.iso
Download address: https://www.centos.org/download/
It is best to set up IP and HOSTNAME during installation
The IP and HOSTNAME downloads for both machines are as follows
Main 192.168.10.157 ZABBIX server
From 192.168.10.1 ...
Posted on Mon, 04 May 2020 17:46:28 -0700 by larsojl
MySQL installation tutorial of Docker series
With the previous basic tutorial Common command operation manual of Docker series After that, this blog records a mysql installation tutorial
mysql image query command
docker search mysql
Several key parameters are explained as follows:
INDEX docker.io is the official website of docker
NAME the NA ...
Posted on Tue, 21 Apr 2020 08:40:31 -0700 by mark_c
Create tables in the database
CREATE TABLE table name(
Field name data type [constraint]
MariaDB [cc]> CREATE TABLE test (
-> id INT PRIMARY KEY AUTO_INCREMENT,
-> name VARCHAR(32)
Query OK, 0 rows affected (0.15 sec)
Primary key (primary key: cannot be empty and ...
Posted on Sat, 04 Apr 2020 03:28:59 -0700 by pb4life55
Join query: Design queries for two or more tables at the same time
Join condition or join predicate: general form of condition used to join two tables:
[< table name1 >] < column name1 > < comparison operator > [< table Name2 >] < column Name2 >
[< table name1 >] < column name1 > between [< table Nam ...
Posted on Fri, 27 Mar 2020 08:13:11 -0700 by gerkintrigg
1. Database password management: Data password management; database password cracking.
When deleting the original mariadb database, please note that when deleting the service, the data will remain in the / var/lib/mysql / directory, and all files need to be deleted.
a. Data password management
mysqladmin -uroot -plee ...
Posted on Tue, 24 Mar 2020 07:40:30 -0700 by tonga
//Data tables used in this article//ID ﹣ P is the primary key in the persons table//In the orders table, ID ﹣ o is the primary key, and ID ﹣ P is the foreign key. Refer to ID ﹣ P in the persons table
mysql> select * from persons;select * from orders;
| id_p | lastname | firstna ...
Posted on Fri, 20 Mar 2020 08:38:13 -0700 by vickytam
Deployment phase and problem notes: https://www.cnblogs.com/l-hh/category/1400262.html
Both machines have keepalived installed
[root@zabbix-master ~]# yum install keepalived.x86_64 -y
! Configuration File for keepalived
router_id zabbix-master #router_id Machine Identification ...
Posted on Thu, 19 Mar 2020 21:57:01 -0700 by phpdoodler
By default, MariaDB is installed in CentOS, which is a branch of MySQL. However, in order to meet the needs, MySQL should be installed in the system, and MariaDB can be directly overwritten after the installation.
1 download and install MySQL's official Yum Repository
[root@centos7 ~]# wget https:/ ...
Posted on Wed, 05 Feb 2020 04:45:41 -0800 by emopoops
1. return of saltstack component
1.1 return process
1.2 use mysql as the return storage method
2. job cache
2.1 job cache process
2.2 job management
1. return of saltstack component
The return component can be understood as the SaltStack system stores or returns data return ...
Posted on Sat, 01 Feb 2020 21:36:18 -0800 by davidx714