Quick Start for kubernetes - Getting Started with kubernetes to Practice [Getting Started + Advanced]

1. Basic concepts 1.1 Clusters and Nodes kubernetes is an open source container engine management platform that enables automated deployment of containerized applications, task scheduling, resilience, load balancing, etc. cluster is composed of master and node roles Master manages the cluster, master contains kube-apiserver, kube-controller-m ...

Posted on Sun, 24 May 2020 12:24:47 -0400 by wee493

Docker network of container technology

In the previous blog, we mainly talked about the description of docker image and how to make image based on existing image and distribute image to docker warehouse. For review, please refer to https://www.cnblogs.com/qiuhom-1874/p/12941508.html Today, let's talk about the description of docker's network; When using vm virtual machine, we know t ...

Posted on Sun, 24 May 2020 10:06:20 -0400 by bugcoder

One of the three stages: Architecture introduction and environment deployment

1, Architecture introduction and environment deployment (1) Understand the composition of cluster architecture servers Basic architecture composition: (for user access) 1. Front end services: 1) Customer user Is a visitor who requests to visit the website page 2) Security - firewall equipment Policy control shall be carried out for users access ...

Posted on Mon, 04 May 2020 15:55:33 -0400 by atrum

Alicloud ssh is unable to connect

One of the company's servers suddenly failed to connect to ssh. You can log in normally in the background through Alibaba cloud control. The preliminary judgment should be caused by the following problems: 1. The sshd service did not start. 2. The firewall is blocked. Enter iptables and find that port 22 is accessible. The problem is that t ...

Posted on Sat, 02 May 2020 05:56:20 -0400 by siwis

Detect whether the kernel is controlled by rootkit according to the call/jmp operand offset

This morning, I wrote a code to detect my own rootkit, but that code can only detect the situation that hook lives in ftrace stub at the beginning of the function:https://blog.csdn.net/dog250/article/details/105465553 Craftsmen can't stop there. In the afternoon, I am going to write an x86 ʄ instruction parser, which is to take the entire TEXT ...

Posted on Mon, 13 Apr 2020 00:04:06 -0400 by Gillesie

High availability configuration for kubernetes

Tags (space delimited): kubernetes series 1: High availability configuration for kubernetes 1: High availability configuration of kubeadmn for kubernetes 2: System Initialization 2.1 System Host Name 192.168.100.11 node01.flyfish 192.168.100.12 node02.flyfish 192.168.100.13 node03.flyfish 192.168.100.14 node04.flyfish 192.168.100.15 ...

Posted on Thu, 09 Apr 2020 14:23:51 -0400 by bbbaldie

Simple installation of MySQL (RPM mode)

This test uses a virtual machine with ip of 192.168.2.21Although there are many steps below, you can follow the command or copy and paste command to complete the operation without difficulty 1. Installation Preparation MySQL-server-5.6.35-1.linux_glibc2.5.x86_64.rpm MySQL-devel-5.6.35-1.linux_glibc2.5.x86_64.rpm MySQL-c ...

Posted on Tue, 31 Mar 2020 10:23:08 -0400 by Napster

Let Linux Firewall rookie nftables escort your VPS

Last article This paper introduces the advantages and basic usage of nftables. The advantage of nftables is that it compiles network rules into bytecode directly in user mode, and then it is executed by virtual machine of kernel. Although it is based on netfilter as iptables, nftables is more flexible. Before using iptables to match a large amo ...

Posted on Wed, 25 Mar 2020 23:03:46 -0400 by langer

CentOS7 installation openshift 3.11 (online installation)

OpenShift is red hat's cloud development platform as a service (PaaS). Free and open source cloud computing platforms enable developers to create, test, and run their applications and deploy them to the cloud. This article mainly introduces the installation of Openshift 3.11 in a networked environment. ...

Posted on Thu, 12 Mar 2020 05:54:18 -0400 by jamz310

Network traffic analysis tool - visualization Network - netflow [6] - production network traffic monitoring architecture design

Powerful tool for network traffic analysis - visualization Network - netflow [1] - Basic Principles Network traffic analysis tool - visualization Network - netflow [2] - Introduction and configuration of Cisco NetFlow working principle Network traffic analysis tool - visualization Network - netflow [3] - differences between version 5 and ver ...

Posted on Thu, 12 Mar 2020 03:28:37 -0400 by Highland3r