1. Execute Whereis MySQL will have the following print:MySQL:/usr/bin/mysql/usr/lib64/mysql/usr/include/mysql/usr/share/mysql/usr/share/man/man1/mysql.1.gz2.cd/usr/share/mysql directory to view the presence of mysql.server files3. Copy the
Under Linux, the MySQL service starts and shuts down:The correct way is to go into the MySQL bin directory and then execute./mysqladmin-uroot-p shutdownThen enter your password to do so.If your root does not have a password, you do not need the-p
Latest Version:
lnmp-2.5
Update Time:
20140702
MD5 Value:
D4d52e39066f041569b8ef2daa033e15
Installation Instructions:
Please ensure that the server can be normal access to the Internet, yum command can be
CentOS 6.2 Installation Compile mysql-5.5.37 # #多实例 principle is to install multiple instances after installing a single instanceFirst Yum InstallationYum install gcc gcc-c++ cmake ncurses-devel Bison1 single-instance MySQL database installation1.1
Background??MARIADB Introduction???? MARIADB database management System is a branch of MySQL, mainly by the open source community in the maintenance, the use of GPL licensing MARIADB is fully compatible with MySQL, including the API and command line,
Overview replication is usually used to create a copy of the master node to ensure high availability by adding redundant nodes. Of course, replication can also be used for other purposes, such as reading and analyzing data on the slave node. In
Experiment System: CentOS6.6 _ x86_64 prerequisites: Firewall and selinux both disable the experiment Description: There are five hosts in this experiment, and IP Address Allocation is shown in topology Experiment Software: mariadb-
Experiment
The correct method for restarting MySQL in Linux: 1. Use MySQLservicemysqldrestart2 installed in the rpm package, and use MySQLlinux installed in the source package to disable MySQL commands.
How to restart MySQL in Linux: 1. Use MySQLservice mysqld
The correct method to restart MySQL in Linux:
1. MySQL installed through the rpm package
Service mysqld restart
2. Install MySQL from the source code package
// Linux Command to disable MySQL
$ Mysql_dir/bin/mysqladmin-uroot-p shutdown
// Linux
MariaDB's GTID replication and multi-source replication, mariadbgtid Replication
What is GTID?
GTID is the global transaction ID (global transaction identifier). It was initially implemented by google and officially added to MySQL in MySQL 5.6. GTID
Mysql Installation
Installation
Yum-y install MySQL mysql-server php-mysql perl-dbd-mysql perl-dbi php-gd php-mbstring
Start
Service mysqld Start
Set Password
mysqladmin-u root password ' set '
Set UTF8 Universal code, add the following two
How to start/stop/restart MySQL
First, the way to start
1, use service to start: Service mysqld start
2. Start with mysqld script:/etc/inint.d/mysqld start
3. Use Safe_mysqld to start:safe_mysqld&
Second, stop
1, use service to start: Service
One, mysql-mmm (master-master Replication Manager fo MySQL) MMM overview
Dual-master failover and routine management procedures
Consists of multiple MySQL master servers and multiple MySQL slave servers
MMM is developed using the
Environment: CentOS 6.7 + Mysql 5.7.19 + xtraback 2.4.8Innobackupex Common parameters:--user=user Specifies the backup user, if not specified, for the current system user--password=passwd specifying the backup user password--Port=port specifying the
Today, starting the MySQL server fails as follows:[Email protected] ~]#/etc/init.d/mysqld startstarting mysqld (via Systemctl): Job for Mysqld.service failed because The control process exited with error code. See "Systemctl Status Mysqld.service"
Today, starting the MySQL server fails as follows:[Email protected] ~]#/etc/init.d/mysqld startstarting mysqld (via Systemctl): for" systemctl Status Mysqld.service " " Journalctl-xe " for details.
MariaDB multi-instance and MariaDB instance1. Install MariaDB in yum and start
yum install MariaDB-serversystemctl start mariadb.service
2. Create a directory by case and set the owner Group
Store configuration files and databases by case
mkdir -pv
Today, the start of the MySQL server failed, as follows:
[Root@spark01 ~]#/etc/init.d/mysqld start
starting mysqld (via Systemctl): Job for Mysqld.service failed the Control process exited with error code. "Systemctl status Mysqld.service"
MySQL Multi-instanceMySQL multi-instance, simple to understand is on a server, the MySQL service to open a number of different ports (such as 3306, 3307,3308), running multiple service processes. These MySQL service processes use different sockets
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