Programmer Think

Configuration example: https://blog.51cto.com/14227204/24389021. The working principle and function of keepalived: At first, keepalived was a powerful auxiliary tool designed specifically for LVS. It was mainly used to provide fault switching and health checking functions - to judge the availability of LVS load dispatcher and node server, to i ...

First issue of this article: https://www.cnblogs.com/somata/p/LinuxLDAPUserAuthentication.html I use the LDAP user management completed by CentOS, which may be different from most of the online tutorials, but if I write it out, it will certainly be useful, but there will be some files, forget to teach.The OPENLdap used here cooperates with the ...

Original Link: https://my.oschina.net/u/1587810/blog/266446 I encountered a performance bottleneck problem in my work and found that when the environment Guest in KVM is RHEL5.5, IO pe ...

Article directory Reference material Install VScode create shortcut Install golang install Configuring environment variables Create hello, world Install git install Create git local repository and bind Install go tools Install gotour The first ...

Catalog DHCP Service Deployment I. Introduction II. Usage and Function 3. Principle + Topology IV. Practical Construction Relevant documents Configuring the underlying DHCP server Configure DHCP Retention Address Configuring DHCP superscopes Configuring DHCP Relay ...

Yum is more convenient than rpm. The biggest advantage of the yum tool is that it can download the required RPM packages online and install them automatically. If the RPM packages to be installed depend on each other, the yum tool will help us instal ...

Application of OpenVPN+MySQL Production Environment [TOC] I. Basic Environmental Description (1) System environment and subnet description category content Environmental Science Environment: CentOS Linux release 7.6.1810 (Core) VPN-SERVER 10.0.2.5 Service subnet 10.0.2.0/24 VPN Client Subnet 192.168.100.0/24 (2) Required package d ...

Hisry commands are available on both inux and unix to query the history of previously executed commands However, this record does not contain a time item So you can only see commands, but you don't know when to execute them Here's how history records time: Step 1: Check to see if your system supports it Note: This method is only valid for bash ...

Adding custom monitors to zabbix By writing scripts to obtain various states of tcp, adding TCP status template, triggers, graphics, the whole process of customizing monitoring through scripts is realized. 1. agent-side configuration 1. Create ...

Catalog Overview of Nginx Four-Layer Load Balancing What is Load Balancing Load balancing application scenarios Four-tier and Seven-tier Cluster Architecture Summary of Four-Layer Load Balancing How to Configure Four-Layer Load Balancing in Nginx nginx four-tier load balancin ...