Install mysql in RPM mode
System environment
Centos-7
mysql version
mysql-5.7.17
1. Download and unzip rpm package
[root@VM_42_245_centos ~]# tar xf mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar
[root@VM_42_245_centos ~]# ls
mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar
mysql-community-client-5.7.17-1.el7.x86_64.rpm
mysql-community-common-5.7.17-1.el7.x86_64.rpm ...
Posted by Wo0tHigh on Sat, 04 Apr 2020 21:41:32 -0700
red hat Linux builds LAMP platform
Linux system, Apache, Mysql, PHP
Ensure the existing development environment package before installing the configuration
[root@localhost ~]# yum -y install pcre-devel zlib-devel links
Turn off selinux and iptables
[root@localhost ~]# vi /etc/selinux/config # Modify the configuration file and turn ...
Posted by falcon1 on Mon, 17 Feb 2020 22:51:48 -0800
tomcat multi instance jpress
Made by two couples
1. Basic environment preparation
Step 1: download the installation package
# wget -P /app/tools/ https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.50/bin/apache-tomcat-8.5.50.tar.gz
# wget -P /app/tools/ http://47.111.238.157/jd ...
Posted by deejay on Mon, 10 Feb 2020 05:59:16 -0800
[MySQL] performance ﹣ schema Library of MySQL
MySQL comes with four databases, which are:
information_schema
performance_schema
mysql
test
This article introduces the performance ﹣ schema library.
Sketch
Performance schema library is a new storage engine in MySQL 5.5. It is mainly used to collect database server performance parameters, monitor ...
Posted by tanju on Mon, 10 Feb 2020 03:27:39 -0800
zabbix 4.0 theory + operation - 02 (zabbix deployment + email alarm)
zabbix theory + operation-02 (zabbix deployment + email alarm)
Experimental environment
Monitoring end: 192.168.136.168Monitored end: 192.168.136.185
Install LAMP
yum install -y \
httpd \
mariadb-server mariadb \
php \
php-mysql \
php-gd \
libjpeg* \
php-ldap \
php-odbc \
php-pear \
php-xml \
php-xmlrpc \
php-mhash
vim /etc/httpd/conf/httpd. ...
Posted by DeathfireD on Mon, 10 Feb 2020 03:12:52 -0800
Installing mysql under linux
Download mysql
https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.11-linux-glibc2.12-x86_64.tar.gz
Refer to official information
https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
1. This version of mysql needs to rely on libaio library. If not, you can download it using yum
shell> yum search libaio
shel ...
Posted by djkanebo on Tue, 28 Jan 2020 07:19:35 -0800
Implementation of mariadb galera cluster based on docker
Environment configuration:
Node name
IP address
node01
192.168.10.207
node02
192.168.10.167
Basic environment configuration:
Remove firewalld
yum remove firewalld -y
Turn off selinux
sudo vim /etc/selinux/config
Modify the following:
SELINUX=disabled
Install iptables services and ...
Posted by versatilewt on Wed, 22 Jan 2020 01:00:27 -0800
Role application of Ansible automatic operation and maintenance playbook (deploying apache and zabbix)
I. Preface
About roles
Roles can be automatically installed in variable files, tasks, handlers, etc. according to the hierarchical structure. To use roles, you only need to use the include instruction in the playbook. In short, roles is a mechanism that can easily include variables, files, tasks, t ...
Posted by qistoph on Sun, 19 Jan 2020 03:24:48 -0800
centos7 mounts the new hard disk and modifies the storage path of mariadb
Environment CentOS7.4
mariadb 5.5
In principle, all mariadb installed from yum can be used
Because the paths of / var/lib/mysql and / etc/my.cnf are the same
The reason for this operation is that zabbix's history problem log has filled the disk, so you can only add a new hard disk and change the mysql storage path
------------------------- ...
Posted by br on Fri, 17 Jan 2020 23:53:23 -0800
Backup database using cp command
cp command backup is a warm, full backup, the backup process needs to maintain a global read lock, this lock is more lethal to the database, it is likely to make the database hang in production environment, so it is not recommended to use in production environment.
1. Backup
1. Add a global read lock to the backup library: fl ...
Posted by djopie on Thu, 16 Jan 2020 09:39:26 -0800