Programmer Group

Although the GoLand editor is very powerful, it is still relatively weak in displaying memory and stack information. Maybe my posture is wrong. So, I started to debug the gdb, but the GDB stepped into the pit and did not solve it, which triggered the comparison between GDB and dlv. gdb install yum install ncures-devel wget http://ftp.gnu.org/gn ...

Introduction of Saltstack Function Module 1. Introduction to salt-ssh Sal-ssh can run independently without minion, and use sshpass to interact with passwords, but it works in serial mode, resulting in a significant performance degradation. ...

K8S is so popular, there are many online tutorials, but the official update is too fast, many deployment tutorials have lagged behind, and there are countless pits, for beginners, not everyone has the ability to climb out. For every student who wants to make progress, deploying K8S is a mountain. If you can deploy it clearly, you already know ...

Monitoring: Sentinel constantly checks whether your master and slave servers are functioning properly. Notification: Sentinel can send notifications to administrators or other applications through the API when a Redis server being monitored has problems. Automatic failover: When a primary server does not work properly, Sentinel starts an aut ...

In large Linux applications, such as Web Clustering, Distributed Computing, and so on, servers often do not have CD-ROM drives. In this case, how can you quickly install the system for hundreds of server bare machines?The traditional installation methods such as USB CD-ROM, mobile hard disk, etc. are obviously out of order, so it needs to be - ...

1. Install OpenLDAP yum install openldap openldap-clients openldap-servers Start directly after installation ``` systemctl start slapd ``` Set Administrator Password``` slappasswd -h {SSHA} ``` You will then be asked to enter a clear text password and return to you an encrypted password, remembering the password that was returne ...

What is tomcat? How does Tomcat work? please Reference website https://tomcat.apache.org/tomcat-9.0-doc/index.html For more information, please click on https://www.cnblogs.com/xdp-gacl/p/4097608.html Method 1: Download the tomcat installation package decompression Run. / startup.sh under bin file bin: It's about opening and changing To ...

role IP role operating system Remarks 192.168.10.210 master CentOS 7 haproxy,keepalived master 192.168.10.211 master CentOS 7 Haproxy, keep alived ready 192.168.10.212 master CentOS 7 Haproxy, keep alived ready 192.168.10.213 node CentOS 7 Do Nodes Only Host preparation:1. Install necessary software and upgrade all software yum - ...

Installing Kubernetes 1.13.3 using kubeadm Preparatory environment: two CentOS 7 system servers, 2 cores, 2G host name Ip role K8s-master 192.168.2.7 K8s master node K8s-node1 192.168.137.4 K8s slave node 1 Docker version: 1.18.3 Kubernetes Version: 1.13.3 (1) Preparations (1) All nodes ...

1. Introduction to Keystone Kestone is one of the components of OpenStack, which is used to provide unified authentication services for other members of OpenStack family, including authentication, token issuance and verification, service list, user rights definition and so on. The authorization and authentication of all services in the cloud e ...