1. Introduction to shell
1. Configuration requirements:
OS: RHEL7 or CentOS8 is recommended
CentOS8 will stop maintenance at the end of 2021
RHEL8 or dragon lizard operating system https://openanolis.cn
2. Classification of Shell Scripting Language
There are two kinds of shells: Bourne shell and C shell
Bourne shell includes Bourne s ...
Added by mcog_esteban on Thu, 10 Mar 2022 10:18:30 +0200
*How to transfer files from Mac to virtual machine:
Connect the host as follows: Transfer file: scp file location and file name root@IP Address: the location where files need to be stored
1. Configure NAT network
Note: change the network adapter of vm to NAT mode
edit /etc/sysconfig/network-scripts/ifcfg-ens33 file
Modified as BOOTPR ...
Added by brandon on Wed, 09 Mar 2022 17:00:28 +0200
1, Stand alone installation
1.1 elasticsearch and kibana
There are three ways to install es and kibana: yum, rpm, tar gz The latter two methods can be used in the Intranet environment when yum needs to open the external network.
1.1.1 es installation
How we install rpm this time:
Download the rpm file and upload it to the server, and ins ...
Step 1: download the certificate to the local
Nginx certificate zip file.
After decompression, you will get the following files: Certificate file in PEM format. Certificate KEY file in KEY format
Step 2: install the certificate on the Nginx stand-alone server
Execute the following command to create a directory (named cert) for storing certi ...
Added by Rik Peters on Tue, 08 Mar 2022 01:11:29 +0200
CentOS 6.9. When executing yum makecache, 404 errors are reported as follows:
http://mirrors.cloud.aliyuncs.com/epel/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" The reason is that "CentOS 6 has entered EOL (Reaches End of Life) with the end of November 2020 , the official re ...
Added by ehhwan on Mon, 07 Mar 2022 23:29:48 +0200
1, Common commands
Teaching video of station B: https://www.bilibili.com/video/BV1mW411i7Qf?p=106
tab Automatic completion if you want to switch paths, such as cd Desktop Can enter cd Des tab Key automatic completion
Direction keys up and down can automatically the previous command
clear Clear screen
whoami View current login user
1.1 doc ...
Added by infomamun on Sun, 06 Mar 2022 11:50:09 +0200
Congratulations to all the friends who read this article for successfully unlocking the advanced features of RabbitMQ series
Contents of dead letter queue 🎁 Through this article, you will clearly understand: what is dead letter? What is a dead letter queue? How to use the dead letter queue? etc. 😄 Finally, Xiaoming will he ...
Added by billcoker on Mon, 28 Feb 2022 02:39:48 +0200
Hadoop fully distributed cluster environmentHBase installation package: https://archive.apache.org/dist/hbase/
1. Unzip HBase installation package
Upload local installation package:
Unzip and rename:
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2. System environment variable configuration
Configure the environment variables a ...
Added by ManOnScooter on Fri, 25 Feb 2022 12:06:45 +0200