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Simple online installation of single node K8S using YUM warehouse Experimental environment: Using system: CentOS 7.4 Name role IP address centos7-min2 master 192.168.142.220 centos7-4 node 192.168.142.136 Experimental steps: 1, Configuration step directory master configuration node configuration Test results 2, master configuration ...

1.rsyslog                 This service is used to collect logs. It does not generate logs, but plays a collection role           vim  /etc/rsyslog.conf        ##View collection log information           /var/log/messages            ##Service information log            /var/log/secure            ##System login log            ...

Article Directory Introduction What is CephX? Naming rules for CephX Default user Who was the ancestor of CephX? CephX usage scenarios MON OSD Client Detailed caps Introduction to MON privileges r Permissions w Permissions x Permissions *Permissions profile osd permissions OSD Recovery process fo ...

Preface We have an operating system to run user programs. The running of programs needs to transfer processes, so process management is the heart of all operating systems. In fact, a process is the result of current events in the executing program code. Process understanding Process: A process is a ...

man useradd can view the following useful information 1, User profile 1.1 user information file / etc/passwd root: x:0:0:root:/root:/bin/bash field Effect 1st field User name 2nd field Password flag x: indicates that the user has a password, and finally goes to / etc/shadow to find the passw ...

Preface:Servers running the same service are combined to be called clustersCentralized clusters: master, slave,MHA is used to resolve cluster master downtime.MMM Cluster Architecture: There are two master serversOverview of MHA DeNA youshimaton (now a Facebook company) in Japan A set of excellent high-availability software for failover and ma ...

1. Namespace 1) Overview of Namespace Namespace is an abstract collection of resources and objects that can be used, for example, to divide objects within a system into different project or user groups.Common pods, services, replication controllers, and deployments all belong to a namespace (default by default), whereas node, persistentVolumes ...

1. Install pacemaker and corosync on server4 and server5 yum install pacemaker yum install corosync -y 2. Modify the configuration file cd /etc/corosync/ cp corosync.conf.example corosync.conf vim corosync.conf # Please read the corosync.conf.5 manual page compatibility: whitetank totem { version: 2 ...

1. Introduction to NginxNginx is developed for performance optimization. Its greatest advantage is its stability, low system resource consumption, and high processing power for http concurrent connections. A single physical server can support 20,000-50,000 concurrent requests. This is why a large number of enterprises providing services such a ...

Install CentOS7 Virtual Machine using ISO Configure static IP (Reference Mac VMware Fusion CentOS7 Configuration Static IP) Install vim [root@localhost java]# rpm -qa|grep vim vim-minimal-7.4.629-6.el7.x86_64 [root@localhost java]# yum -y install vim* ... Install jdk Upload jdk to / home/software on Linux using FileZilla [root@localho ...