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