Programmer Group

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 rhel6.5 serevr1 salt-master,salt-minion keepalived+haproxy ip:172.25.254.100 server4 salt-minion keepalived+haproxy ip :172.25.254.104 server2 salt-minion ip:172.25.254.102 server3 salt-minion ip:172.25.254.103 Virtual IP 172.25.254.200 See https://blog.csdn.net/weixin_/article/details/834 ...

Introduction: The master-slave cascade is to reduce the pressure of the master database, which is more conducive to load balancing. If we don't have a cascade server, we can also achieve the effect of master-slave synchronization, but we don't recommend using it. On the one hand, the pressure of the master database is too hig ...

Data persistence of k8s kubernetes storage volume:We know that by default, the container's data is non persistent, and the data is lost after the container is destroyed, so docker provides a volume mechanism to store the data persistently. Similarly, k8s provides a more powerful volume mechanism and rich plug-ins to solve the problem of contai ...

Close main station [root@dell710 ~]# bash /usr/local/tomcat/bin/shutdown.sh Using CATALINA_BASE: /usr/local/tomcat Using CATALINA_HOME: /usr/local/tomcat Using CATALINA_TMPDIR: /usr/local/tomcat/temp Using JRE_HOME: /usr/local/javaUsing CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomca ...

1. Copy the Nginx configuration file [root@localhost ~]# cd /etc/nginx/conf.d/ [root@localhost conf.d]# cp default.conf default1.conf 2. Modify the configuration file default.conf [root@localhost conf.d]# vim default.conf server { listen 80; server_name www.host.com; #charset koi8-r; #access_log /var ...

@[toc]Common apache features, virtual hosts One: Virtual Web Host Run multiple Web sites on the same server, each of which does not occupy a real computer independently 1.1 Types of virtual hosts supported by httpd (three) Type based on domain name IP Address Based Virtual Host Port-based virtual hostFor example:www.kgc.omwww.accp.comIP Same ...

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 ...

Expression Expression is a sequence of operator s and operand s >>> 1 + 1 2 >>> a = [1,2,3] >>> 1 + 1 + 1 + 1 4 >>> 1 + 2 * 3 7 >>> 1 * 2 + 3 5 >>> a = 1 + 2 * 3 >>> a = 1 >>> b = 2 >>> c = a and b or c >>> c = int('1') + 2 Operator priority For example ...

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 ...