hosts allow centos 7

privileges on * * to ' user3 ' @ ' 192.168.155.1 ' identified by ' 123456 ';Assign the native user user4 permissions to all operations on all tables in all databases, and set the password to 123456.Mysql>grant all privileges on * * to ' user4 ' @ ' localhost ' identified by ' 123456 ';Open external access to firewall mysql3306 portsAfter upgrading to 7, CentOS replaced the original iptables with Firewalld.

privileges on * * to ' user3 ' @ ' 192.168.155.1 ' identified by ' 123456 ';Assign the native user user4 permissions to all operations on all tables in all databases, and set the password to 123456.Mysql>grant all privileges on * * to ' user4 ' @ ' localhost ' identified by ' 123456 ';Open external access to firewall mysql3306 portsAfter upgrading to 7, CentOS replaced the original iptables with Firewalld.

0. Select Minimum installation in the installation1.CENTOS7 Installing the Graphical interfacePreviously reprinted a "CENTOS6 Installation graphical interface" of the article, address see http://my.oschina.net/u/1169607/blog/335304, the following describes the CENTOS7 installation of graphical interface method.After installing the character operating system, use the network installation (network installation is relatively simple, do not need to configure Yum files):Yum Groupinstall "GNOME Deskto

/haproxy/haproxy.cfgVim!$GlobalLog 127.0.0.1 Local2Chroot/var/lib/haproxyPidfile/var/run/haproxy.pidMaxconn 4000User HaproxyGroup HaproxyDaemonStats Socket/var/lib/haproxy/statsDefaultsMode TCP#mode httpOption HttplogLog GlobalOption DontlognullOption RedispatchOption TcpkaRetries 3Timeout Queue 1mTimeout Connect 10sTimeout Client 1mTimeout Server 1mTimeout Check 10sTimeout Http-keep-alive 10sMaxconn 10000 Frontend main *:3306Bind 192.168.3.135:3306Default_backend appbackend app bal