Overview of linux namespace
What is the namespace of linux
About the linux namespace, Official documents Here's what it says:
A namespace wraps a global system resource in an abstraction that makes it appear to the processes within the namespace that they have their own isolated instance of the global resource. Changes to the global resource are visible to other proc ...
Added by daveh33 on Sun, 30 Jan 2022 23:05:55 +0200
How to synchronize directory contents of different linux servers in two directions
a purpose
The purpose of this paper is to solve the problem of directory difference between two servers, that is, you can write or delete any content in the specified directory of A and B servers, and it will be synchronized to another server, that is, to achieve high availability of file storage and reading.
environment
Server information ...
Added by mbabli on Sun, 30 Jan 2022 13:40:32 +0200
Basics of nginx
1, Basic concepts
nginx: high performance HTTP and reverse proxy server, supporting hot deployment, high concurrency, reverse proxy, load balancing, dynamic and static separationForward proxy: the client configures a proxy server to directly access the browser. This method is called forward proxy.Reverse proxy: the client accesses the prox ...
Added by Roger Ramjet on Sun, 30 Jan 2022 08:12:14 +0200
Large file upload: second transmission, breakpoint continuous transmission and fragment upload
File upload is an old topic. When the file is relatively small, you can directly convert the file into a byte stream and upload it to the server. However, when the file is relatively large, it is not a good way to upload it in an ordinary way. After all, few people will tolerate it. When the file is interrupted in the middle of uploading, It's ...
Added by phpsir on Sat, 29 Jan 2022 20:14:38 +0200
LVS introduction and NAT mode configuration and implementation of Linux Enterprise load cluster
1, Introduction to LVS 1.LVS(Linux Virtual Server), load scheduler, kernel integration 2.LVS architecture The server cluster system based on LVS architecture consists of three parts: Loader balancer (load balancing layer), server array (middle server group layer) and shared storage (data shared storage layer). 3. Working principle of LVS
When ...
Added by Z3roDowner on Sat, 29 Jan 2022 17:30:41 +0200
Kernel modular programming
catalogue
Introduction to the concept of kernel module
Dynamic modular programming framework
Module loading function
Module unloading function
Open source protocol and declaration of module
Module compilation Makefile template
Programming steps of single module
1 write the kernel module file test c
2. Write Makefile
3 compile and gene ...
Added by Morbius on Sat, 29 Jan 2022 15:01:36 +0200
SRS streaming media server - source code analysis - simple analysis of basic process
SRS streaming media server - source code analysis - simple analysis of basic process
preface
The Department plans to use SRS to build a live broadcast source station, which is my responsibility. Therefore, I take this opportunity to learn about SRS, which is also an opportunity for me to improve. Recently, I also started to build clusters of ...
Added by mikeatrpi on Fri, 28 Jan 2022 07:29:52 +0200
Detailed explanation of Tomcat server configuration in Linux Environment
Detailed explanation of Tomcat server configuration in Linux Environment
Tomcat server is a free open source Web application server. Tomcat runtime occupies small system resources, has good scalability, supports load balancing, mail service and other functions commonly used in developing application systems. Tomcat is a small lightweight a ...
Added by snaack on Thu, 27 Jan 2022 23:12:30 +0200
Linux system programming - process creation (fork), external program call (exec)
1. Introduction to fork function
fork function is a very important function in linux. It can create a new process from an existing process. The new process is a child process and the original process is a parent process.
The return value of fork function is as follows: 1. In the parent process, fork returns the PID number of the newly created ...
Added by adamjblakey on Thu, 27 Jan 2022 22:24:43 +0200
Deployment of primary and standby clusters of Dameng database
1, Network configuration:
Database server name db0 (host) db1 (standby) dmm (monitor) Business service name dm_server Service IP 192.168.222.129 192.168.222.128 Heartbeat IP 10.10.1.115 10.10.1.116 10.10.1.117 PORT_NUM 5236 MAL_PORT 7336 MAL_DW_PORT 7536 MAL_INST_DW_PORT 7436 MAL_INST_PORT (consistent with PORT_NUM) ...
Added by awais_ciit on Thu, 27 Jan 2022 14:09:15 +0200