docker problem set

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 d ...

Posted by wchris on Fri, 22 May 2020 08:03:14 -0700

Step details for installing Mysql 8.0 under CentOS 7.7

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

3-7. iptables (firewall) & selinux

I. iptables 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

RocketMq cluster construction steps teaching package teaching package meeting

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

centos 7 builds svn+apache server and discusses the difference between SVNParentPath and SVNPath

1. Preface 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

Viewing and shutting down Selinux

Note: This article is not an original article, which is transferred from the following: View and setup of Selinux 1. Check SELinux status 1.1 getenforce 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

The nature of creating users in linux

ref: Parameters for the useradd command /etc/default/useradd configuration file /Files in etc/skel directory Create a user manually ref: http://blog.csdn.net/ouyang_peng/article/details/8732928 http://blog.sina.com.cn/s/blog_6a58bdf40102v2zf.html Parameters for the useradd command [vincent@localhost ~]$ use ...

Posted by ghettopixel on Sat, 04 Apr 2020 15:03:48 -0700

Server initialization

1. What can server initialization do Turn off selinux ntp synchronization time Modify dns 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

mysql primary and primary data synchronization, hot standby

The principle of MySQL master master synchronization and master-slave synchronization is the same, except that both sides are master-slave roles. Environmental Science Operating system version: CentOS7 64 bitMySQL version: mysql5.6.33Node 1IP: 192.168.1.205 host name: edu-mysql-01Node 2IP: 192.168.1.206 host name: edu-mysql-0 ...

Posted by swampone on Mon, 30 Mar 2020 11:30:37 -0700

linux Getting Started Series 18--Apache Service 2 for Web Services

In the next article, after learning about Apache's basic configuration and SELinux, continue demonstrating the virtual host capabilities and access control methods provided by Apache. If you haven't looked at the last suggestion, look at it first and come back later, last article " linux Getting Started Series 18--apache service 1 for Web ...

Posted by WarDeities on Tue, 24 Mar 2020 20:03:51 -0700