Modify the kernel parameters shmmax and shmall of linux
Share memory before modifying
linux kernel parameters before modification
Shared memory after modification
linux kernel parameters after modification
before and after comparison
Change to asynchronous IO
Posted on Wed, 26 Feb 2020 22:38:51 -0800 by jennatar77
Anonymous pipeline interprocess communication
Creation and illustration of inter process pipeline
Pipe creation in MediaSoup
Creating mediasound channel
The process of communication between NodeJs and C + + pipeline
MediaSoup message confirmation and event notification
Posted on Tue, 25 Feb 2020 23:53:30 -0800 by Leesa
Data content analysis
`User? Log.csv ` file content meaning
`Content meaning of "train.csv" and "test.csv"
Upload the data to Linux system and decompress it
Data set preprocessing
File information interception
Import data into Hive
Confirm that the Had ...
Posted on Tue, 25 Feb 2020 23:24:24 -0800 by jara06
In the process of software development with container technology, it is time-consuming and laborious to control the size of container image. If the image we build is not only the environment of compiling software, but also the final running environment of software, it is difficult to control the imag ...
Posted on Tue, 25 Feb 2020 22:22:32 -0800 by Nicksta
Last article "Design pattern Overview - creation pattern" After sorting out the five types of creation mode, let's go on to sort out the structural mode.
The purpose of a structural pattern is to describe how classes or objects can be combined to form a larger structure. The class structur ...
Posted on Tue, 25 Feb 2020 05:05:05 -0800 by kashmirekat
This experiment environment is RedHat 7.0 system
Logical volume manager is a mechanism used by linux system to manage hard disk partition. The original intention is to solve the problem that hard disk device is not easy to modify partition size after creating partition. It provides an abstract volume group, which can combine multiple hard disk ...
Posted on Tue, 25 Feb 2020 03:34:33 -0800 by Zyxist
Write at the beginning
Recently, the new type of coronary pneumonia is very serious, and the school can't open any more. When learning the operating system principle on MOOC
See the experiment questions left by the teacher, which are all completed by self-consciousness. Record them here.
Posted on Tue, 25 Feb 2020 03:02:08 -0800 by phorman
Overview of ADB (I)ADB(2) ﹣ adbd ﹣ main() function code sortingADB(3) ﹣ adbd ﹣ adbd ﹣ main() function code sortingCode sorting of the host side of ADB (IV)
In the previous article, we have simply combed the running code of the ADB on the host side. One article certainly c ...
Posted on Tue, 25 Feb 2020 00:56:04 -0800 by lur
#Course selection system#Role: school, student, course, lecturerRequest:#1. Establish two schools in Beijing and Shanghai#2. Create three courses: Linux, Python and go. linux\py opens in Beijing and go opens in Shanghai#3. Courses include, cycle, price, and create courses through schools#4. Create a class through the school, and the class is as ...
Posted on Mon, 24 Feb 2020 03:43:39 -0800 by xudzh
Mail service configuration (virtual domain & virtual user)
First of all: https://www.somata.work/2019/VirtualMailServerConfig_MariaDB.html
Now what I'm doing is:Linux + httpd + php + mariadb + postfix + dovecot + phpMyAdmin + postfixadmin + roundcubemail
Here I will show you how to make a mail service based on virtual domain and virtual us ...
Posted on Sat, 22 Feb 2020 09:56:35 -0800 by JoeF