Linux Enterprise Operation and maintenance 6.6 - redis deployment and master-slave switching, Redis+Mysql read-write separation
catalogue
Introduction to Redis
redis compilation and installation
1. redis configuration of server1
2. redis installation of server2
3. Configuring redis for server3
3, redis master-slave replication
4, Sentine master-slave automatic switching
5, redis cluster
Redis cluster summary
1. Cluster construction
Build ...
Posted by willieklein on Wed, 13 Oct 2021 16:10:58 +0200
cobbler (batch installation tool)
1, About cobbler
Cobbler is a Linux server installation service. It can quickly install and reinstall physical servers and virtual machines through network boot (PXE). At the same time, it can also manage DHCP, DNS, etc.
Cobbler can be managed in the command line mode, and also provides a Web-based interface management tool (cobbler Web), ...
Posted by nels on Wed, 13 Oct 2021 03:16:43 +0200
Cobbler (batch deployment system)
1.Introduction to cobbler
Cobbler is a Linux server-installed service that supports many Linux distributions: redhat, fedora, centos, ubantu, suse, etc. also support network installation windows Written by python, you can quickly install and reinstall physical servers and virtual machines via PXE, and manage DHCP, DNS, and so on.
Cobbler ...
Posted by jcavard on Tue, 12 Oct 2021 18:21:21 +0200
Version control gitlab
Introduction to version control
Version control refers to the management of changes in various program codes, configuration files and description documents in the process of software development. It is one of the core ideas of software configuration management.
The main function of version control is to track file changes. It faithfully recor ...
Posted by hairulazami on Tue, 12 Oct 2021 06:47:49 +0200
Nginx optimization and anti-theft chain
catalogue
introduction
1, Nginx optimization
1. Hide version number
2. Modify users and groups
3. Set cache time
4. Log separation
5. Connection timeout
6. Change the number of processes
7. Web page compression
2, Theft chain and anti-theft chain
1. Chain theft
2. Anti theft chain
3. fpm parameter optimization
summary
i ...
Posted by Wabin on Tue, 12 Oct 2021 01:32:18 +0200
Combing the contents of network.sh startup script under hyperledger fabric sample test network
First clarify the network steps of a single machine:
Generate organization
Generate certificates for your organization
Generate Genesis block
Generate channel
Generate node join channel
Set anchor node
Then find out what steps in the script are started through those instructions:
Let's first look at the startup parameters of a network
...
Posted by rincewind456 on Sun, 10 Oct 2021 11:55:20 +0200
Chapter III Linux file management
Linux file management and IO redirection
1. File system directory structure
1.1 directory structure of file system
Files and directories are organized into a single root inverted tree structureThe file system starts from the root directory and is represented by "/"Root file system (rootfs): root file systemStandard Linux file sys ...
Posted by iRock on Sat, 09 Oct 2021 01:12:43 +0200
Deploy YUM warehouse and NFS service
catalogue
1, YUM overview
2, YUM implementation process
3, YUM command
1. Inquiry
2. Install and upgrade using yum or up2date
3. Software uninstall
4, Build yum warehouse
1. Build local warehouse
2. Build Alibaba cloud warehouse
5, NFS share
1. Characteristics
2. Advantage
3. Construction process
6, Summary
1, YUM overview
y ...
Posted by cHinshaw on Fri, 08 Oct 2021 02:09:34 +0200
High availability deployment of RabbitMQ cluster + HA + kept
1, Planning
1. Server
OSapplicationHostnameremarksCentOS 7.4(192.168.139.162)HA + Keepalivedha_1Cluster high availability (master)CentOS 7.4(192.168.139.160)HA + Keepalivedha_2Cluster high availability (backup)CentOS 7.4(192.168.139.158)Erlang 23.2.5,RabbitMQ 3.9.7mq_1mq_1 disk nodeCentOS 7.4(192.168.139.137)Erlang 23.2.5,RabbitMQ 3.9.7mq ...
Posted by Crogge on Thu, 07 Oct 2021 06:38:20 +0200
Build nginx service under Linux CentOS 7 build nginx reverse proxy build nginx load balancing build nginx high availability
Building nginx service under Linux
1.nginx introduction:
Nginx is an open-source, high-performance and highly reliable Web and reverse proxy server, and supports hot deployment. It can run almost 7 * 24 hours without interruption. Even if it runs for several months, it does not need to be restarted. It can also hot update the software version ...
Posted by laeelin on Sun, 03 Oct 2021 21:28:54 +0200