Nginx反向代理功能-实现TCP负载均衡实战案例
作者：尹正杰
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一.安装MariaDB并授权
1>.安装MariaDB数据库
[root@node107.yizhengjie.org.cn ~]# yum -y install mariadb-server Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.bit.edu.cn * extras: mirrors.huaweicloud.com * updates: mirrors.huaweicloud.com base | 3.6 kB 00:00:00 extras | 2.9 kB 00:00:00 updates | 2.9 kB 00:00:00 Resolving Dependencies --> Running transaction check ---> Package mariadb-server.x86_64 1:5.5.64-1.el7 will be installed --> Processing Dependency: mariadb-libs(x86-64) = 1:5.5.64-1.el7 for package: 1:mariadb-server-5.5.64-1.el7.x86_64 --> Processing Dependency: mariadb(x86-64) = 1:5.5.64-1.el7 for package: 1:mariadb-server-5.5.64-1.el7.x86_64 --> Processing Dependency: perl-DBI for package: 1:mariadb-server-5.5.64-1.el7.x86_64 --> Processing Dependency: perl-DBD-MySQL for package: 1:mariadb-server-5.5.64-1.el7.x86_64 --> Processing Dependency: perl(DBI) for package: 1:mariadb-server-5.5.64-1.el7.x86_64 --> Running transaction check ---> Package mariadb.x86_64 1:5.5.64-1.el7 will be installed ---> Package mariadb-libs.x86_64 1:5.5.60-1.el7_5 will be updated ---> Package mariadb-libs.x86_64 1:5.5.64-1.el7 will be an update ---> Package perl-DBD-MySQL.x86_64 0:4.023-6.el7 will be installed ---> Package perl-DBI.x86_64 0:1.627-4.el7 will be installed --> Processing Dependency: perl(RPC::PlServer) >= 0.2001 for package: perl-DBI-1.627-4.el7.x86_64 --> Processing Dependency: perl(RPC::PlClient) >= 0.2000 for package: perl-DBI-1.627-4.el7.x86_64 --> Running transaction check ---> Package perl-PlRPC.noarch 0:0.2020-14.el7 will be installed --> Processing Dependency: perl(Net::Daemon) >= 0.13 for package: perl-PlRPC-0.2020-14.el7.noarch --> Processing Dependency: perl(Net::Daemon::Test) for package: perl-PlRPC-0.2020-14.el7.noarch --> Processing Dependency: perl(Net::Daemon::Log) for package: perl-PlRPC-0.2020-14.el7.noarch --> Running transaction check ---> Package perl-Net-Daemon.noarch 0:0.48-5.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================ Package Arch Version Repository Size ============================================================================================================================================================================ Installing: mariadb-server x86_64 1:5.5.64-1.el7 base 11 M Installing for dependencies: mariadb x86_64 1:5.5.64-1.el7 base 8.7 M perl-DBD-MySQL x86_64 4.023-6.el7 base 140 k perl-DBI x86_64 1.627-4.el7 base 802 k perl-Net-Daemon noarch 0.48-5.el7 base 51 k perl-PlRPC noarch 0.2020-14.el7 base 36 k Updating for dependencies: mariadb-libs x86_64 1:5.5.64-1.el7 base 759 k Transaction Summary ============================================================================================================================================================================ Install 1 Package (+5 Dependent packages) Upgrade ( 1 Dependent package) Total download size: 22 M Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. (1/7): perl-DBD-MySQL-4.023-6.el7.x86_64.rpm | 140 kB 00:00:00 (2/7): perl-DBI-1.627-4.el7.x86_64.rpm | 802 kB 00:00:00 (3/7): perl-Net-Daemon-0.48-5.el7.noarch.rpm | 51 kB 00:00:00 (4/7): perl-PlRPC-0.2020-14.el7.noarch.rpm | 36 kB 00:00:00 (5/7): mariadb-libs-5.5.64-1.el7.x86_64.rpm | 759 kB 00:00:01 (6/7): mariadb-5.5.64-1.el7.x86_64.rpm | 8.7 MB 00:00:01 (7/7): mariadb-server-5.5.64-1.el7.x86_64.rpm | 11 MB 00:00:02 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 8.2 MB/s | 22 MB 00:00:02 Running transaction check Running transaction test Transaction test succeeded Running transaction Updating : 1:mariadb-libs-5.5.64-1.el7.x86_64 1/8 Installing : 1:mariadb-5.5.64-1.el7.x86_64 2/8 Installing : perl-Net-Daemon-0.48-5.el7.noarch 3/8 Installing : perl-PlRPC-0.2020-14.el7.noarch 4/8 Installing : perl-DBI-1.627-4.el7.x86_64 5/8 Installing : perl-DBD-MySQL-4.023-6.el7.x86_64 6/8 Installing : 1:mariadb-server-5.5.64-1.el7.x86_64 7/8 Cleanup : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 8/8 Verifying : 1:mariadb-libs-5.5.64-1.el7.x86_64 1/8 Verifying : perl-Net-Daemon-0.48-5.el7.noarch 2/8 Verifying : 1:mariadb-5.5.64-1.el7.x86_64 3/8 Verifying : perl-DBD-MySQL-4.023-6.el7.x86_64 4/8 Verifying : 1:mariadb-server-5.5.64-1.el7.x86_64 5/8 Verifying : perl-DBI-1.627-4.el7.x86_64 6/8 Verifying : perl-PlRPC-0.2020-14.el7.noarch 7/8 Verifying : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 8/8 Installed: mariadb-server.x86_64 1:5.5.64-1.el7 Dependency Installed: mariadb.x86_64 1:5.5.64-1.el7 perl-DBD-MySQL.x86_64 0:4.023-6.el7 perl-DBI.x86_64 0:1.627-4.el7 perl-Net-Daemon.noarch 0:0.48-5.el7 perl-PlRPC.noarch 0:0.2020-14.el7 Dependency Updated: mariadb-libs.x86_64 1:5.5.64-1.el7 Complete! [root@node107.yizhengjie.org.cn ~]#