s081[2]-unix memory allocation-malloc implementation

memory allocation Previous courses OS Interface: https://dreamerjonson.com/2020/01/04/6-s081-1/ Systems programming wiki Reference The main difference between system programming and application programming is that application programming is designed to produce software that directly serves users. System programming mainly serves other applica ...

Posted on Fri, 17 Jan 2020 11:21:02 -0500 by alimadzi

Git on 4 server - configure server

Let's see how to configure ssh access on the server side. In this case, we will use the authorized_keys method to authenticate the user. At the same time, we assume that the operating system you use is a standard Linux distribution, such as Ubuntu. First, create an operating system user git and create a ...

Posted on Fri, 17 Jan 2020 10:14:59 -0500 by phpzone

Using SSH to mount remote server directory under Ubuntu

           use SSH to mount the remote server directory under Ubuntu Preface                            &ems ...

Posted on Thu, 16 Jan 2020 10:26:06 -0500 by aktell

MHA High Availability Architecture Deployment Configuration Instance

1. Preface 1.1What's MHA?--An introduction to the principles MHA - Master High Availability, currently a relatively mature solution for MySQL high availability, is a set of excellent MySQL failover and master-slave enhanced high availability software. Here we mention two key points:'High availability','Failover'.Let's give you a brief overvi ...

Posted on Tue, 14 Jan 2020 12:43:37 -0500 by nor0101

MySQL - MHA high availability cluster architecture

MHA high availability configuration and failover Article directory MHA high availability configuration and failover Preface 1, MHA features 2, Composition of MHA 3, Problems in traditional Mysql master-slave architecture 4, MHA example 1) Install MySQL database 2) Configure MySQL one master and t ...

Posted on Mon, 13 Jan 2020 07:41:12 -0500 by loganbest

Using Python to call Nessus interface to realize automatic scanning

Catalog Authentication Policy template configuration Create a policy template task Create tasks Start / stop task Get scan results Access to vulnerability information Access to vulnerability output information and vulnerability knowledge base information Final conclusion In the previous projec ...

Posted on Sun, 12 Jan 2020 04:48:52 -0500 by badapple

Script and Command Making for Jumper Logon Server

I. Purpose Logging on to the server from the stepping board is an operation every time you log on to the server on the line. If you log on to the stepping board manually with ssh username@ip every time, it is inefficient and cumbersome. If you log on to the stepping board, you automatically execute a command to show the system you have the rig ...

Posted on Sat, 11 Jan 2020 11:08:37 -0500 by troublemaker

SSH simple integration

Understand: struts to implement the interaction between browser and server; spring completes object creation, object dependency and transaction processing hibernate completes data access Difficult points: 1. By accessing the browser, spring can create an action without creating it by itself 2. Set c3p0 in spring to improv ...

Posted on Fri, 10 Jan 2020 11:07:04 -0500 by bfinucan

How to obtain code of all projects in gitlab in batch

background Now more and more companies use gitlab to manage code. There is a problem with gitlab. The free version does not support global code search, which is troublesome. If you clone all the code to the local, you can easily carry out a variety of searches. However, gitlab does not provide the functions of all git clone projects. The comp ...

Posted on Fri, 10 Jan 2020 09:20:07 -0500 by JCF22Lyoko

One of big data: deployment and construction of Hadoop 2.6.5 + CentOS 7.5 three node big data cluster

1, VM virtual environment construction (detailed explanation) Note: create 3-node Hadoop virtual environment with VmWare Workstation on windos10Create virtual machineNext stepSet virtual machine host name and media storage pathSet 20G disk sizeSelect custom hardwareConfigure network mode to NAT modeConfigure virtual machine boot imageHere, use ...

Posted on Wed, 08 Jan 2020 02:23:20 -0500 by Ansel_Tk1