标题:
CentOS8_在Docker中安装MariaDB
[打印本页]
作者:
admin
时间:
2023-1-15 10:24
标题:
CentOS8_在Docker中安装MariaDB
笺注：Docker的安装可参考
CentOS8_使用Docker安装Python3
[root@centos8 ~]# dnf -y install net-tools [root@centos8 ~]# ifconfig
docker0
: flags=4099
mtu 1500 inet
172.17.0.1
netmask
255.255.0.0
broadcast 172.17.255.255 ether 02:42:25:b7:b9:07 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens160: flags=4163
mtu 1500 inet 192.168.168.154 netmask 255.255.255.0 broadcast 192.168.168.255 inet6 fe80::92ab:5fb4:5373:ad53 prefixlen 64 scopeid 0x20
ether 00:0c:29:0e:fa:49 txqueuelen 1000 (Ethernet) RX packets 56932 bytes 83375047 (79.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 14676 bytes 888943 (868.1 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73
mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@centos8 ~]# 给Docker创建自定义虚拟网卡，并且指定网段： [root@centos8 ~]# docker network create --subnet=
172.18.0.0/16
staticnet
2be66df3b395
8685e0ec2a62098577ad95590c83d7f3f4c4e967fc9b5626508c [root@centos8 ~]# 备注：给Docker创建自定义虚拟网卡后，容器才能使用固定IP地址； 查看Docker所有的虚拟网卡： [root@centos8 ~]#
docker network ls
NETWORK ID NAME DRIVER SCOPE 0527decaf262 bridge bridge local ecf4d5fc9a71 host host local f3a83278f2d8 none null local
2be66df3b395
staticnet
bridge local [root@centos8 ~]# 备注： 网卡ID“2be66df3b395”是自动生成的； 网卡名“staticnet”是自定义的； [root@centos8 ~]# ifconfig
br-2be66df3b395
: flags=4099
mtu 1500 inet
172.18.0.1
netmask
255.255.0.0
broadcast 172.18.255.255 ether 02:42:39:8b:2d:20 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 docker0: flags=4099
mtu 1500 inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255 ether 02:42:25:b7:b9:07 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens160: flags=4163
mtu 1500 inet 192.168.168.154 netmask 255.255.255.0 broadcast 192.168.168.255 inet6 fe80::92ab:5fb4:5373:ad53 prefixlen 64 scopeid 0x20
ether 00:0c:29:0e:fa:49 txqueuelen 1000 (Ethernet) RX packets 56961 bytes 83377119 (79.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 14689 bytes 891361 (870.4 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73
mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@centos8 ~]# ### 从公网下载镜像：（ 以下是下载MariaDB10.1的镜像 ） [root@centos8 ~]# docker pull
mariadb:10.1
查看宿主机的所有镜像： [root@centos8 ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE
mariadb 10.1 895244a22f37 21 months ago 352MB
[root@centos8 ~]# 使用镜像“mariadb:10.1”创建并启动容器“MariaDB_1”： [root@centos8 ~]# docker run -itd --name
MariaDB_1
-p 3306:3306 -e MYSQL_ROOT_PASSWORD=888 -v /opt/database_1:/home/database_1 --net staticnet --ip 172.18.0.2
mariadb:10.1
2fb5f70092ae
83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a [root@centos8 ~]# 注释： -itd : 以交互模式情况下后台运行。 --name : 指定容器名称。 -p 端口映射 : 第一个3306是宿主机的端口，暴露给外部直接访问；第二个3306是容器的端口。 -e 环境配置 : 指定数据库管理员root@localhost的密码为888 -v 挂载目录 : 这里是把宿主机的目录/opt/database_1挂载到容器的目录/home/database_1；假如目录不存在，就会自动创建。 --net staticnet --ip : 指定容器的固定IP地址（使用虚拟网卡“staticnet”）。
mariadb:10.1
: 镜像名称:版本号 在宿主机查看正在运行的容器： [root@centos8 ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2fb5f70092ae
mariadb:10.1 "docker-entrypoint.s…" 2 minutes ago Up 2 minutes
0.0.0.0:3306->3306/tcp, :::3306->3306/tcp
MariaDB_1
[root@centos8 ~]# 注释：宿主机的TCP 3306端口，映射到容器“MariaDB_1”的TCP 3306端口。 ### 进入容器“MariaDB_1”： [root@centos8 ~]# docker exec -it
MariaDB_1
/bin/bash root@2fb5f70092ae:/# 查看容器“MariaDB_1”的系统版本信息： root@2fb5f70092ae:/# cat /etc/issue
Ubuntu 18.04.5 LTS \n \l
root@2fb5f70092ae:/# uname -r
4.18.0-193.el8.x86_64
root@2fb5f70092ae:/# 查看容器“MariaDB_1”的IP地址： root@2fb5f70092ae:/#
ip addr
1: lo:
mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 5: eth0@if6:
mtu 1500 qdisc noqueue state UP group default link/ether 02:42:ac:12:00:02 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet
172.18.0.2/16
brd 172.18.255.255 scope global eth0 valid_lft forever preferred_lft forever root@2fb5f70092ae:/# 备注： 宿主机或容器重启后，IP地址都是不变的； 正常的话，容器“MariaDB_1”是可以Ping通宿主机： root@2fb5f70092ae:/# ping 172.18.0.1
bash: ping: command not found
root@2fb5f70092ae:/# root@2fb5f70092ae:/# apt-get update root@2fb5f70092ae:/# apt-get -y install inetutils-ping root@2fb5f70092ae:/# ping -c 4
172.18.0.1
PING 172.18.0.1 (172.18.0.1): 56 data bytes 64 bytes from 172.18.0.1: icmp_seq=0 ttl=64 time=0.093 ms 64 bytes from 172.18.0.1: icmp_seq=1 ttl=64 time=0.081 ms 64 bytes from 172.18.0.1: icmp_seq=2 ttl=64 time=0.090 ms 64 bytes from 172.18.0.1: icmp_seq=3 ttl=64 time=0.102 ms --- 172.18.0.1 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.081/0.091/0.102/0.000 ms root@2fb5f70092ae:/# root@2fb5f70092ae:/# ping -c 4
192.168.168.154
PING 192.168.168.154 (192.168.168.154): 56 data bytes 64 bytes from 192.168.168.154: icmp_seq=0 ttl=64 time=0.141 ms 64 bytes from 192.168.168.154: icmp_seq=1 ttl=64 time=0.087 ms 64 bytes from 192.168.168.154: icmp_seq=2 ttl=64 time=0.097 ms 64 bytes from 192.168.168.154: icmp_seq=3 ttl=64 time=0.077 ms --- 192.168.168.154 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.077/0.100/0.141/0.024 ms root@2fb5f70092ae:/# 正常的话，容器“MariaDB_1”是可以访问公网： root@2fb5f70092ae:/# ping -c 5
blog.zhuohua.store
PING blog.zhuohua.store (47.75.39.177): 56 data bytes 64 bytes from 47.75.39.177: icmp_seq=0 ttl=127 time=17.561 ms 64 bytes from 47.75.39.177: icmp_seq=1 ttl=127 time=20.544 ms 64 bytes from 47.75.39.177: icmp_seq=2 ttl=127 time=22.424 ms 64 bytes from 47.75.39.177: icmp_seq=3 ttl=127 time=17.815 ms 64 bytes from 47.75.39.177: icmp_seq=4 ttl=127 time=19.912 ms --- blog.zhuohua.store ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max/stddev = 17.561/19.651/22.424/1.805 ms root@2fb5f70092ae:/# ### 查看MariaDB的版本信息： root@2fb5f70092ae:/# mysql -V mysql Ver 15.1 Distrib
10.1.48-MariaDB
, for debian-linux-gnu (x86_64) using readline 5.2 root@2fb5f70092ae:/# MariaDB的主配置文件：（以下是初始状态） root@2fb5f70092ae:/# find / -name my.cnf
/etc/mysql/my.cnf
find: '/proc/1/map_files': Permission denied root@2fb5f70092ae:/# root@2fb5f70092ae:/#
cat /etc/mysql/my.cnf |grep -v "^#" |grep -v "^$"
[client] port = 3306 socket = /var/run/mysqld/mysqld.sock [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp lc_messages_dir = /usr/share/mysql lc_messages = en_US skip-external-locking max_connections = 100 connect_timeout = 5 wait_timeout = 600 max_allowed_packet = 16M thread_cache_size = 128 sort_buffer_size = 4M bulk_insert_buffer_size = 16M tmp_table_size = 32M max_heap_table_size = 32M myisam_recover_options = BACKUP key_buffer_size = 128M table_open_cache = 400 myisam_sort_buffer_size = 512M concurrent_insert = 2 read_buffer_size = 2M read_rnd_buffer_size = 1M query_cache_limit = 128K query_cache_size = 64M slow_query_log_file = /var/log/mysql/mariadb-slow.log long_query_time = 10 expire_logs_days = 10 max_binlog_size = 100M default_storage_engine = InnoDB innodb_buffer_pool_size = 256M innodb_log_buffer_size = 8M innodb_file_per_table = 1 innodb_open_files = 400 innodb_io_capacity = 400 innodb_flush_method = O_DIRECT [galera] [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] [isamchk] key_buffer = 16M !includedir /etc/mysql/conf.d/ root@2fb5f70092ae:/# 本地登录MariaDB数据库：（使用的是数据库管理员root@localhost，密码888） root@2fb5f70092ae:/# mysql -uroot -p
888
Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version:
10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> 查看数据库里有哪些库：（以下3个库是默认就有的） MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | +--------------------+ 3 rows in set (0.01 sec) MariaDB [(none)]> 查看所有数据库用户及其主机信息：（以下是初始状态） MariaDB [(none)]> select user,host from mysql.user; +------+-----------+ | user | host | +------+-----------+ | root | % | | root | localhost | +------+-----------+ 2 rows in set (0.00 sec) MariaDB [(none)]> 删除数据库用户root@'%'： MariaDB [(none)]> drop user root@'%'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> MariaDB [(none)]> select user,host from mysql.user; +------+-----------+ | user | host | +------+-----------+ | root | localhost | +------+-----------+ 1 row in set (0.00 sec) MariaDB [(none)]> 创建一个数据库用户并授权： 授权数据库用户zhuohua@'%'（密码886），可以从任意IP进行访问，对所有的库有完全控制的权限： MariaDB [(none)]> grant all on *.* to zhuohua@'%' identified by '886'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> MariaDB [(none)]> select user,host from mysql.user; +---------+-----------+ | user | host | +---------+-----------+ |
zhuohua | %
| | root | localhost | +---------+-----------+ 2 rows in set (0.00 sec) MariaDB [(none)]> 查看数据库用户zhuohua@'%'的权限： MariaDB [(none)]> show grants for zhuohua@'%'; +-----------------------------------------------------------------------------------------------------------------+ | Grants for zhuohua@% | +-----------------------------------------------------------------------------------------------------------------+ | GRANT ALL PRIVILEGES ON *.* TO 'zhuohua'@'%' IDENTIFIED BY PASSWORD '*F961C54AFEB4D281CE53D7CB8E7822890D86FFFC' | +-----------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) MariaDB [(none)]> ### 宿主机远程登录容器“MariaDB_1”的MariaDB数据库： [root@centos8 ~]# mysql -u"zhuohua" -p"886" -P3306 -h"172.18.0.2" Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 3 Server version:
10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> 注释： 容器“MariaDB_1”的IP地址 172.18.0.2 数据库用户名 zhuohua 密码 886 端口 3306 笺注： 宿主机安装了MariaDB 使用数据库用户zhuohua@'%' 在宿主机往容器“MariaDB_1”的MariaDB数据库中创建一个库、一个表： MariaDB [(none)]> create database
data1
; Query OK, 1 row affected (0.001 sec) MariaDB [(none)]> use data1; Database changed MariaDB [data1]> create table
t_1
(id int); Query OK, 0 rows affected (0.008 sec) MariaDB [data1]> MariaDB [data1]> show databases; +--------------------+ | Database | +--------------------+ |
data1
| | information_schema | | mysql | | performance_schema | +--------------------+ 4 rows in set (0.001 sec) MariaDB [data1]> 在MariaDB下查看当前使用的是哪个库： MariaDB [data1]> Select database(); +------------+ | database() | +------------+ |
data1
| +------------+ 1 row in set (0.000 sec) MariaDB [data1]> MariaDB [data1]> Show tables; +-----------------+ | Tables_in_data1 | +-----------------+ |
t_1
| +-----------------+ 1 row in set (0.000 sec) MariaDB [data1]> ### 在宿主机的防火墙firewalld打开TCP 3306端口： firewall-cmd --zone=public --add-port=
3306/tcp
--permanent firewall-cmd --reload 查看防火墙所有打开的端口： [root@centos8 ~]# firewall-cmd --zone=public --list-ports
3306/tcp
[root@centos8 ~]# ### Linux客户端远程登录容器“MariaDB_1”的MariaDB数据库： [root@localhost ~]# mysql -u"zhuohua" -p"886" -P
3306
-h"192.168.168.154" Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 4 Server version:
5.5.5-10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> 注释： 宿主机的IP地址 192.168.168.154 数据库用户名 zhuohua 密码 886 端口 3306 笺注： Linux客户端安装了MySQL 使用数据库用户zhuohua@'%' 在Linux客户端往容器“MariaDB_1”的MariaDB数据库的库data1中的表t_1中插入记录： mysql> Show databases; +--------------------+ | Database | +--------------------+ |
data1
| | information_schema | | mysql | | performance_schema | +--------------------+ 4 rows in set (0.00 sec) mysql> use data1; Database changed mysql> Select database(); +------------+ | database() | +------------+ |
data1
| +------------+ 1 row in set (0.00 sec) mysql> Show tables; +-----------------+ | Tables_in_data1 | +-----------------+ |
t_1
| +-----------------+ 1 row in set (0.00 sec) mysql> mysql> INSERT INTO t_1 (id) VALUES (1); Query OK, 1 row affected (0.09 sec) mysql> INSERT INTO t_1 (id) VALUES (2); Query OK, 1 row affected (0.00 sec) mysql> mysql> Select * from t_1; +------+ | id | +------+ | 1 | | 2 | +------+ 2 rows in set (0.00 sec) mysql> ###### 容器“MariaDB_1”在宿主机的存放目录： [root@centos8 ~]# cd /var/lib/docker/containers/ [root@centos8 containers]# ls
2fb5f70092ae
83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a [root@centos8 containers]# [root@centos8 containers]# cd
2fb5f70092ae
83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a/ [root@centos8 2fb5f70092ae83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a]# ls 2fb5f70092ae83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a-json.log hostconfig.json mounts checkpoints hostname resolv.conf
config.v2.json
hosts resolv.conf.hash [root@centos8 2fb5f70092ae83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a]# 容器“MariaDB_1”的文件config.v2.json中的一些信息： 容器ID : "Config":{"Hostname":"
2fb5f70092ae
", IP地址 ： （使用虚拟网卡“staticnet”） "Networks":{"
staticnet
":{"IPAMConfig":{"IPv4Address":"
172.18.0.2
"},"Links":null,"Aliases":["2fb5f70092ae"],"NetworkID":"2be66df3b3958685e0ec2a62098577ad95590c83d7f3f4c4e967fc9b5626508c","EndpointID":"c7a7af3d1f187920f0e0a8bc18f90f8530cea73474381adeada245144e7f68de","Gateway":"172.18.0.1","IPAddress":"
172.18.0.2
","IPPrefixLen":16, 端口映射 ： "Ports":{"3306/tcp":[{"HostIp":"0.0.0.0","HostPort":"3306"},{"HostIp":"::","HostPort":"3306"}]}, 数据库管理员root@localhost的密码 ： "Env":["MYSQL_ROOT_PASSWORD=
888
", 挂载目录的信息 ： "MountPoints":{"
/home/database_1
":{"Source":"
/opt/database_1
","Destination":"
/home/database_1
","RW":true,"Name":"","Driver":"","Type":"bind","Propagation":"rprivate","Spec":{"Type":"bind","Source":"
/opt/database_1
","Target":"
/home/database_1
"}, ###### ###### 使用镜像“mariadb:10.1”创建并启动容器“MariaDB_2”： [root@centos8 ~]# docker run -itd --name
MariaDB_2
-p 3307:3306 -e MYSQL_ROOT_PASSWORD=P@ssw0rd -v /opt/database_2:/home/database_2 --net staticnet --ip 172.18.0.3
mariadb:10.1
7854e064cb29
902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc [root@centos8 ~]# 注释： -itd : 以交互模式情况下后台运行。 --name : 指定容器名称。 -p 端口映射 : 3307是宿主机的端口，暴露给外部直接访问；3306是容器的端口。 -e 环境配置 : 指定数据库管理员root@localhost的密码为P@ssw0rd -v 挂载目录 : 这里是把宿主机的目录/opt/database_2挂载到容器的目录/home/database_2；假如目录不存在，就会自动创建。 --net staticnet --ip : 指定容器的固定IP地址（使用虚拟网卡“staticnet”）。
mariadb:10.1
: 镜像名称:版本号 在宿主机查看所有的容器：（无论是否正在运行） [root@centos8 ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7854e064cb29
mariadb:10.1 "docker-entrypoint.s…" 4 seconds ago Up 2 seconds
0.0.0.0:3307->3306/tcp, :::3307->3306/tcp
MariaDB_2
2fb5f70092ae mariadb:10.1 "docker-entrypoint.s…" 4 hours ago Up 10 minutes 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp MariaDB_1 [root@centos8 ~]# 注释：宿主机的TCP 3307端口，映射到容器“MariaDB_2”的TCP 3306端口。 ### 进入容器“MariaDB_2”： [root@centos8 ~]# docker exec -it
MariaDB_2
/bin/bash root@7854e064cb29:/# 查看容器“MariaDB_2”的IP地址： root@7854e064cb29:/#
ip addr
1: lo:
mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 33: eth0@if34:
mtu 1500 qdisc noqueue state UP group default link/ether 02:42:ac:12:00:03 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet
172.18.0.3/16
brd 172.18.255.255 scope global eth0 valid_lft forever preferred_lft forever root@7854e064cb29:/# 正常的话，容器“MariaDB_2”是可以Ping通宿主机： root@7854e064cb29:/# apt-get update root@7854e064cb29:/# apt-get -y install inetutils-ping root@7854e064cb29:/# ping -c 4
172.18.0.1
PING 172.18.0.1 (172.18.0.1): 56 data bytes 64 bytes from 172.18.0.1: icmp_seq=0 ttl=64 time=0.104 ms 64 bytes from 172.18.0.1: icmp_seq=1 ttl=64 time=0.079 ms 64 bytes from 172.18.0.1: icmp_seq=2 ttl=64 time=0.081 ms 64 bytes from 172.18.0.1: icmp_seq=3 ttl=64 time=0.082 ms --- 172.18.0.1 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.079/0.087/0.104/0.000 ms root@7854e064cb29:/# 正常的话，容器“MariaDB_2”是可以Ping通宿容器“MariaDB_1”： root@7854e064cb29:/# ping -c 4
172.18.0.2
PING 172.18.0.2 (172.18.0.2): 56 data bytes 64 bytes from 172.18.0.2: icmp_seq=0 ttl=64 time=0.160 ms 64 bytes from 172.18.0.2: icmp_seq=1 ttl=64 time=0.088 ms 64 bytes from 172.18.0.2: icmp_seq=2 ttl=64 time=0.105 ms 64 bytes from 172.18.0.2: icmp_seq=3 ttl=64 time=0.087 ms --- 172.18.0.2 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.087/0.110/0.160/0.030 ms root@7854e064cb29:/# 本地登录MariaDB数据库：（使用的是数据库管理员root@localhost，密码P@ssw0rd） root@7854e064cb29:/# mysql -uroot -hlocalhost -p
P@ssw0rd
Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version:
10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | +--------------------+ 3 rows in set (0.00 sec) MariaDB [(none)]> 容器“MariaDB_2”远程登录容器“MariaDB_1”的MariaDB数据库： root@7854e064cb29:/# mysql -u"zhuohua" -p"886" -P3306 -h"172.18.0.2" Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version:
10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | data1 | | information_schema | | mysql | | performance_schema | +--------------------+ 4 rows in set (0.00 sec) MariaDB [(none)]> 注释： 容器“MariaDB_1”的IP地址 172.18.0.2 数据库用户名 zhuohua 密码 886 端口 3306 笺注： 使用数据库用户zhuohua@'%' ### 在容器“MariaDB_2”的MariaDB数据库中，创建一个数据库用户并授权： 授权数据库用户Python@'%'（密码P@ssw0），可以从任意IP进行访问，对所有的库有完全控制的权限： MariaDB [(none)]> grant all on *.* to Python@'%' identified by 'P@ssw0'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> MariaDB [(none)]> Select user,host from mysql.user; +--------+-----------+ | user | host | +--------+-----------+ |
Python | %
| | root | % | | root | localhost | +--------+-----------+ 3 rows in set (0.00 sec) MariaDB [(none)]> 查看数据库用户Python@'%'的权限： MariaDB [(none)]> Show grants for Python@'%'; +----------------------------------------------------------------------------------------------------------------+ | Grants for Python@% | +----------------------------------------------------------------------------------------------------------------+ | GRANT ALL PRIVILEGES ON *.* TO 'Python'@'%' IDENTIFIED BY PASSWORD '*F98118BBC8B06F8493726F8CDD0FB5D10DD8B16E' | +----------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) MariaDB [(none)]> ### 宿主机远程登录容器“MariaDB_2”的MariaDB数据库： [root@centos8 ~]# mysql -u"Python" -p"P@ssw0" -P3306 -h"172.18.0.3" Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 5 Server version:
10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> MariaDB [(none)]> Select user,host from mysql.user; +--------+-----------+ | user | host | +--------+-----------+ | Python | % | | root | % | | root | localhost | +--------+-----------+ 3 rows in set (0.000 sec) MariaDB [(none)]> 注释： 容器“MariaDB_2”的IP地址 172.18.0.3 数据库用户名 Python 密码 P@ssw0 端口 3306 笺注： 宿主机安装了MariaDB 使用数据库用户Python@'%' ### 在宿主机的防火墙firewalld打开TCP 3307端口： firewall-cmd --zone=public --add-port=
3307/tcp
--permanent firewall-cmd --reload 查看防火墙所有打开的端口： [root@centos8 ~]# firewall-cmd --zone=public --list-ports
3306/tcp 3307/tcp
[root@centos8 ~]# ### Linux客户端远程登录容器“MariaDB_2”的MariaDB数据库： [root@localhost ~]# mysql -u"Python" -p"P@ssw0" -P
3307
-h"192.168.168.154" Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 7 Server version:
5.5.5-10.1.48-MariaDB
-1~bionic mariadb.org binary distribution Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> mysql> Select user,host from mysql.user; +--------+-----------+ | user | host | +--------+-----------+ | Python | % | | root | % | | root | localhost | +--------+-----------+ 3 rows in set (0.00 sec) mysql> 注释： 宿主机的IP地址 192.168.168.154 数据库用户名 Python 密码 P@ssw0 端口 3307 笺注： Linux客户端安装了MySQL 使用数据库用户Python@'%' ###### 容器“MariaDB_2”在宿主机的存放目录： [root@centos8 ~]# cd /var/lib/docker/containers/ [root@centos8 containers]# ls 2fb5f70092ae83d1f533ff5b7ae664867462f82c03b69a5dbf9f73f9b77c211a
7854e064cb29
902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc [root@centos8 containers]# [root@centos8 containers]# cd
7854e064cb29
902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc/ [root@centos8 7854e064cb29902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc]# ls 7854e064cb29902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc-json.log hostconfig.json mounts checkpoints hostname resolv.conf
config.v2.json
hosts resolv.conf.hash [root@centos8 7854e064cb29902bc1f3fa7e4e70a967e02c9599b4c0a634bf014d9357e60dcc]# 容器“MariaDB_2”的文件config.v2.json中的一些信息： 容器ID : "Config":{"Hostname":"
7854e064cb29
", IP地址 ： （使用虚拟网卡“staticnet”） "Networks":{"
staticnet
":{"IPAMConfig":{"IPv4Address":"
172.18.0.3
"},"Links":null,"Aliases":["7854e064cb29"],"NetworkID":"2be66df3b3958685e0ec2a62098577ad95590c83d7f3f4c4e967fc9b5626508c","EndpointID":"7c74311cb2b1f1eb11c866591315170545793b09419b9ed1d023d72438b271a9","Gateway":"172.18.0.1","IPAddress":"
172.18.0.3
","IPPrefixLen":16, 端口映射 ： Ports":{"3306/tcp":[{"HostIp":"0.0.0.0","HostPort":"3307"},{"HostIp":"::","HostPort":"3307"}]}, 数据库管理员root@localhost的密码 ： "Env":["MYSQL_ROOT_PASSWORD=
P@ssw0rd
", 挂载目录的信息 ： "MountPoints":{"
/home/database_2
":{"Source":"
/opt/database_2
","Destination":"
/home/database_2
","RW":true,"Name":"","Driver":"","Type":"bind","Propagation":"rprivate","Spec":{"Type":"bind","Source":"
/opt/database_2
","Target":"
/home/database_2
"}, 相关文章：
CentOS8安装LAMP+phpMyAdmin
CentOS8_在Docker中限制容器可用的CPU个数和内存量
CentOS8_在Docker中安装Tomcat+MariaDB
CentOS8_在Docker中安装LAMP
CentOS8_在Docker中安装LNMP(使用参数--link)
CentOS8_在Docker中安装LNMP
CentOS8_在Docker中安装Zabbix5.0.12
欢迎光临 blog.zhuohua.store (http://blog.zhuohua.store/)
Powered by Discuz! 7.2
