Install MariaDB 10.5.7 (tar package installation)

One download

Mariadb Download address ：http://downloads.mariadb.org

Check You can choose to download the historical version database .

Two install

chattr -ia /etc/passwd

chattr -ia /etc/group

chattr -ia /etc/shadow

chattr -ia /etc/gshadow

groupadd mysql

useradd -g mysql mysql

passwd mysql

cd /opt/

tar -xvf mariadb-10.5.7-linux-systemd-x86_64.tar.gz  -C /usr/local/

cd /usr/local/

mv mariadb-10.5.7-linux-systemd-x86_64 mysql

cd mysql

# install

./scripts/mysql_install_db --user=mysql

 chown -R mysql:mysql /usr/local/mysql

 

 

# Set up PATH Variable

vi /root/.bash_profile

stay PATH Add... At the end of the line ：

:/usr/local/mysql/bin

 

# Make variables effective

source /root/.bash_profile

3、 ... and Modify the configuration file

cd /etc

mv my.cnf my.cnf.backup

vi my.cnf, add to ：

[mysqld]
local_infile=off
event_scheduler = 1
innodb_buffer_pool_size=500m
server_id=1
#log-basename=master
log_bin=master-bin
log_slave_updates=ON
port=3306
log_error=/usr/local/mysql/error.log
slow_query_log=1
long_query_time=2
binlog_format=ROW
innodb_flush_log_at_trx_commit=1
sync_binlog=1
character_set_server=utf8mb4
collation_server=utf8mb4_bin
max_allowed_packet=64M
max_connections=2000
max_connect_errors=1024
#tx_isolation=REPEATABLE-READ
skip-name-resolve=ON
expire_logs_days=30
log_bin_trust_function_creators=1
lower_case_table_names=1

innodb_log_file_size=512M
innodb_file_per_table=ON


slave-parallel-threads=32
slave_parallel_mode=optimistic
rpl_semi_sync_slave_enabled=ON
rpl_semi_sync_master_enabled=ON
rpl_semi_sync_master_wait_point=AFTER_SYNC

[client]
default-character-set=utf8

/*

innodb_buffer_pool_size You can increase the memory size of your server , If only... Is deployed on the server mariadb Words , It is recommended to set to... Of the server memory 60%.

*/

Four Start database

# Set to systemctl Mode to start the database

cp /usr/local/mysql/support-files/systemd/mariadb.service /usr/lib/systemd/system/mariadb.service

Please note that , By default /usr/ The catalogue is made up of systemd Write protect , So when you put the data directory in the /usr/local/mysql/data In the middle of the day , You also need to make the directory writable . You can do this by adding additional service include files ：

mkdir /etc/systemd/system/mariadb.service.d/

cat > /etc/systemd/system/mariadb.service.d/datadir.conf <<EOF

[Service]

ReadWriteDirectories=/usr/local/mysql

EOF

 

/*

What I initially configured according to the official website is ReadWritePaths=/usr/local/mysql/data, start-up mariadb Report errors ：

/etc/systemd/system/mariadb.service.d/datadir.conf:2] Unknown lvalue 'ReadWritePaths' in section 'Service'

[ERROR] mariadbd: File '/usr/local/mariadb-10.5.7-linux-systemd-x86_64/data/aria_log_control' not found (Errcode: 30 "Read-only file system")

Maybe the operating system version is different , My is centos 7.6

*/

 

# Start database

systemctl daemon-reload

systemctl start mariadb

systemctl enable mariadb

5、 ... and Log in to the database

# Sign in mysql, The default password is empty

 /*

If the database starts successfully , Login with error ：

[[email protected] my.cnf.d]# mysql

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

[[email protected] etc]# which mysql

/usr/bin/mysql

Find out /usr/bin There's a next one. mysql file ：

ll /usr/bin/mysql

If any , Delete this file , Open a new window to connect to the database .

*/

6、 ... and Account management

# Change account password

alter user [email protected]'localhost' identified by ' Custom password ';

# Delete empty password account

delete from mysql.user where password='';

# Delete accounts with illegal passwords

delete from mysql.user where password='invalid';

# establish root Remote account

grant all privileges on *.* to 'root'@'%' identified by ' Custom password ';

flush privileges;

 

-- This article refers to Installing MariaDB Binary Tarballs - MariaDB Knowledge Base