PXE Remote Installation Service and Unattended Installation kickstart

1. Main points of contents: Deploy PXE Remote Installation Service Set up PXE remote installation server Verify PXE Network Installation Implement kickstart unattended installation Preparing to install the answer file Automatic Loading in Batches 2. Batch deployment of servers Scaling: assembling multiple servers at the same time Automati ...

Added by nocontrol on Wed, 11 Sep 2019 20:19:33 +0300

Linux builds DHCP+DNS+WEB services (small project site!)

The experimental environment: A GNS3 A Linux System for Centos7 A server 2016 server Two PC s The purpose of the experiment is: Build a DHCP service to automatically assign IP addresses to two PC s Setting up a DNS Resolution Server to Resolve Domain Names Build a web server to provide two websites Realize the interconnection of the whole en ...

Added by thebutler on Sun, 08 Sep 2019 15:16:02 +0300

Install SVN Version Control Service under Ubuntu

Today, the svn version control service is deployed in the Ubuntu environment. 1. Download and Install # apt-get install subversion 2. Creating directories # mkdir /home/svn # mkdir /home/svn/repository # chmod -R 777 /home/svn/repository 3. Creating warehouses # svnadmin create /home/svn/repository View the repository directory: # cd /home/svn/ ...

Added by ident on Mon, 02 Sep 2019 19:11:06 +0300

Basic Measures to Ensure the Security of Linux Server

As an open source operating system, Linux server is widely used because of its security, efficiency and stability. However, if it is not controlled, there is no safe place to go. This blog mainly focuses on account security control, system boot and login control to achieve Linux system security. Change. And use auxiliary tools to find potentia ...

Added by cretam on Fri, 30 Aug 2019 15:12:14 +0300

Setup of Linux High Availability LVS Load Balancing Cluster (Keepalived+LVS/DR)

1. Instance environment 2. First install the keepalived and ipvsadm packages 3.Keepalived configuration 3.1 Master Configuration (Master Load Balancer) 3.2 Backup Configuration (from Load Balancer) 4. Configure a real server node 5. Test Ke ...

Added by pedrokas on Thu, 29 Aug 2019 05:19:51 +0300

CentOS 7 Process and Scheduled Task Management (Theory + Practice)

View and control processes The relationship between programs and processes program Executable code and data stored on media such as hard disks, discs, etc. Statically saved code process Program code running in CPU and memory Code executed dynamically Parent and Child Processes Each process can create one or more processes Simply put, ...

Added by crees on Tue, 27 Aug 2019 21:14:23 +0300

Disk Management in unit15 linux System

###################### Identification of Local Storage Devices You can see by inserting u-disk Plug in the U-disk to see the equipment Fdisk-l # # real device (not necessarily system-recognized) Other devices in cat/proc/partition # system Bluekid ...

Added by ciaranmg on Mon, 26 Aug 2019 15:29:42 +0300

Variables in the shell under Linux

1. Definition of variables Variables are used to store all kinds of data. Scripting languages usually do not need to specify the type when defining variables. They can be assigned directly, and shell variables follow this rule. 2. Variables in sh ...

Added by Fixxer on Thu, 22 Aug 2019 15:38:32 +0300

ingress in k8s cluster--based on traefik

k8s supports two load balancing mechanisms for publishing applications within pod s1. One is a service for four-tier TCP load balancingservice mainly implements communication within the cluster, as well as internal and external communication based on four layers (such as ports)2. Another is ingress, which enables users to achieve seven-tier HT ...

Added by nodi on Wed, 21 Aug 2019 20:12:56 +0300

zookeeper-3.4.14 Installation Document

zookeeper installation 1. Upload installation package to / opt directory 2. Decompression: tar -zxf /opt/zookeeper-3.4.14.tar.gz -C ./ 3. Configure environment variables: vim /etc/profile export ZK_HOME=/opt/zookeeper-3.4.14 export PATH=$Z ...

Added by cage on Wed, 21 Aug 2019 09:48:25 +0300