Programmer Group

Implement multiple instances based on yum source This experiment implements three examples, using port 330633073308 respectively 1. Install MariaDB server, yum #yum install mariadb-server 2. Create a directory for each instance #mkdir  /data/mysql/{3306,3307,3308}/{etc,data,socket,log,bin,pid} -pv 3. Permission to modify ...

yum install -y keepalived Profile on nfs01 [root@nfs01 ~]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { router_id nfs01 } vrrp_script check_data { script "/server/scripts/data.sh" interval 2 weight 60 } vrrp_instance oldboy { state MASTER interface e ...

Replace yum warehouse source cp -r /etc/yum.repos.d/ /etc/yum.repos.d.bak 񖓿 configuration of warehouse source of backup system rm -f /etc/yum.repos.d / * ා delete all warehouse source configurations cd /etc/yum.repos.d / ා enter the warehouse source directory wget http://mirrors.163.com/.help/CentOS7-Base-163.repo(wget installation: yum insta ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...

Redhat 7.5 update yum yuan redhat 7.5 update centos yum source Installation steps (there must be a net) 1. * * view the system's own yum source and delete it** 2. * * go to the network source to download rpm package** 3. Install the downloaded yum source (find the file location and open in Terminal) 4. Create a new. repo fi ...

Nginx is a lightweight web server, reverse proxy server. Compared with Apache and lighttpd, it has the advantages of less memory and higher stability. Its most common use is to provide reverse proxy services. 1. Installation package compilation and installation 2.yum source installation 3. Use docker to install You need to confi ...

Source of mmm architecture As we all know, MySQL provides Master-Slave replication, and then it can easily realize Master master two-way replication, and build a Slave library for one of the Master nodes. In this way, the MySQL-MMM architecture is based on two-way replication between Master1 and master2, and Master-Slave replication between M ...

Article directory Cycle and concurrent number control Grammatical structure `for loop concurrent deletion of users for uses a space as a separator when reading a row to get parameters, while uses a row as a separator Concurrency control (FD and named pipeline realize concurrency) -FD file handle -Named pipe -Case: FD and na ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...