1. NAT mode topology and working principle
There is a scheduler in front of a group of servers, which are connected through Switch/HUB. These servers provide the same network service and content, that is, no matter which server the request is sent to, the execution result is the same. The content of the service can be copied to the local hard d ...
Posted by Archadian on Mon, 01 Jun 2020 01:52:51 -0700
yum configuration using
Network yum Library Service Building
Environment: use centos 7 as the server and CentOS 6 as the client
First, build a local yum with the image
Configure / etc/yum.repo.d/bash.repo configuration file
[root@centos7 yum.repos.d]# ls
Without this file, you can create ...
Posted by ArizonaJohn on Sun, 31 May 2020 10:54:41 -0700
The following problems were encountered while installing docker
[root@sm-docker249 yum.repos.d]# yum install docker-ce docker-ce-cli containerd.io
Loaded plugins: fastestmirror, langpacks
docker-ce-nightly | 3.5 kB 00:00
docker-ce-stable | 3.5 kB 00:00
Posted by wchris on Fri, 22 May 2020 08:03:14 -0700
This installation of Mysql's EnOS version is 7.7
1. Download Mysql
First go to Mysql's website to download the installation package, web address https://dev.mysql.com/downloads/mysql/
It is recommended that you download the common version of Linux for easy administration of installation location and installation of multiple versions of MySQL on ...
Posted by mr_zhang on Wed, 13 May 2020 11:18:43 -0700
1) Check the status of the firewall
The firewall service name in centos7 is firewalld, no longer iptables
[root@localhost ~]# systemctl status firewalld
firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled)
Active: active (running) since One 2017-12 ...
Posted by Adam W on Sun, 10 May 2020 09:00:35 -0700
mq cluster construction
I haven't written these technical articles for a while. I'll spare some time to write them today, or I'll forget them This article records the process of building rocketmq cluster, and it's also a half day's achievement record! Interested friends like to go!
Well, there's not much bullshit. Let's start.
This article i ...
Posted by scoppc on Thu, 07 May 2020 00:07:47 -0700
Today, the leader asked to set up a set of svn servers to store some documents, which was supposed to be a very simple thing, but the process was not so smooth, mainly because he did not understand the problems caused by SVNParentPath and SVNPath, and only after finding the documents and debugging, did he find out their use and diff ...
Posted by zaki on Fri, 17 Apr 2020 03:24:14 -0700
Note: This article is not an original article, which is transferred from the following:
View and setup of Selinux
1. Check SELinux status
The getenforce command is a combination of the words get (get) and enforceto view the selinux status, as opposed to the setenforce command.
The setenforce command is a combination of th ...
Posted by unixmiah on Wed, 15 Apr 2020 10:33:34 -0700
Parameters for the useradd command
/etc/default/useradd configuration file
/Files in etc/skel directory
Create a user manually
Parameters for the useradd command
[vincent@localhost ~]$ use ...
Posted by ghettopixel on Sat, 04 Apr 2020 15:03:48 -0700
1. What can server initialization do
Turn off selinux
ntp synchronization time
Configure ssh key
Modify yum source
Set host name
Kernel parameter optimization: tcp, memory, routing, file handle
Install the necessary software package: gcc-c++ cmake nmp wget vim jdk traceroute iotop, etc
Prohibit root logi ...
Posted by Ark3typ3 on Thu, 02 Apr 2020 00:33:30 -0700