linux rookie basic learning (6) network
Network configuration under linux
1. What is IP ADDRESS
internet protocol ADDRESS ##Network Protocol Address
ipv4 internet protocol version 4
1.2x32
ip It consists of 32 zeros and 1.
11111110.11111110.11111110.11111110 = 254.254.254.254
2. Subnet mask
Used to divide the network area
The number on the ip corresponding to t ...
Posted by agent007 on Tue, 29 Jan 2019 09:30:15 -0800
How to avoid registering hostname of Kafka broker machine into zookeeper
Cause, when using mirror-maker to test cluster copy data from production cluster top, the error is as follows:
[2018-10-23 10:21:47,821] FATAL [mirrormaker-thread-2] Mirror maker thread failure due to (kafka.tools.MirrorMaker$MirrorMakerThread)
java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.TimeoutEx ...
Posted by rish1103 on Sat, 26 Jan 2019 14:00:16 -0800
Creating K8S Single Machine Environment-Pit Filling Guide with minikube
Reminder
This blog post mainly records how to install minikube using CentOS system in the local environment. It fills in the hole for the problem of mirror download failure in the process of installation. It mainly uses kubernete version 1.12.1. For other different versions, the method is the same.
1. Download the Deployment Installation Packa ...
Posted by faheemhameed on Thu, 24 Jan 2019 01:42:12 -0800
k8s uses kube-router to expose pod s and SVCS in clusters to the outside
brief introduction
Using kube-router to expose pod ip and cluter i in the k8s cluster to the outside of the cluster and realize direct access to pod and svc of k8s by nodes outside the cluster
Environmental description
This experiment is based on the k8s cluster which has been installed and configured. k8s installation refers to other blog art ...
Posted by Davo on Mon, 21 Jan 2019 14:00:13 -0800
Linux Network Related Knowledge
Mission 25 October
10.11 Linux Network Related
10.12 firewalld and netfilter
10.13 Netfilter 5 Table 5 Chain Introduction
10.14 iptables grammar
Linux network related commands
View network card information: ifconfig
Installation: Yum install-y net-tools
[root@centos7 ~]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MUL ...
Posted by jenniferG on Sat, 19 Jan 2019 09:18:13 -0800
mysql group replication single-primary mode construction
I. Environmental Configuration
Node informationservername ip port group port
mgr_one 10.168.1.227 3306 6606
mgr_two 10.168.1.226 3306 6606
mgr_three 10.168.1.228 3306 6606
group Synchronizes Users and Passwords
User: rpl_lvfk
Password: rpl_lvfk
System: Ubuntu 16.04.3 LTS
Memory: 1G
Installation of mysql-5.7.20How to install mysq ...
Posted by pit on Tue, 25 Dec 2018 18:06:06 -0800
Linux Network Configuration (TCP/IP key parameters are: IP, Netmask, Gateway, DNS)
The main parameters of TCP/IP are IP, Netmask, Gateway, DNS.
The main network-related configuration files in Linux are: / ect/hosts # Configuration Host Name (Domain Name) and Private IP Address Correspondence
/etc/sysconfig/network# Configure host name and gateway
/etc/sysconfig/network-scripts/ifcfg-eth0#eth0 configuration file, eth1 file ...
Posted by excl209 on Thu, 20 Dec 2018 15:21:05 -0800
Kubernetes Service & LB & Networking ：Services
Service Creation
1,With Label Selector
Create a service using label selector. Service directly associates Pod. Example: Deploy Mysql (see Appendix 1 at the end of this article for details) and then create a service:
kind: Service
apiVersion: v1
metadata:
name: mysql-service
spec:
selector: # Match with the sa ...
Posted by trace on Wed, 12 Dec 2018 01:30:06 -0800
Raspberry Pi AP Functional Improvement: System D Service Encapsulation and the Use of dnsmasq
PrefaceIn the last article "Raspberry pi Setting up Automatic Dial-up, Building Wireless Routing Environment", the author uses hostapd and udhcpd programs to create wireless hotspots, address allocation and DNS server settings. This article will improve the raspberry pie AP based on the environment of the previous article: using dnsma ...
Posted by weaselandalf on Tue, 11 Dec 2018 13:18:05 -0800