centos7 install vnc remote service

To avoid some unexpected system errors, it is better to update yum to the latest. It is not recommended to update the production environment when there is business running yum update Install GNOME Desktop graphics Desktop Services yum groupinstall "GNOME Desktop" Install vnc yum install tigervnc-server View system operation mo ...

Posted on Wed, 13 Nov 2019 10:10:48 -0500 by sargenle

Multi virtual host based on PORT, ip and host header

Experiment: PORT Based Multi virtual host 1. Create 3 different website file root directories mkdir /data/site{1,2,3}echo 'www.a.com' > /data/site1/index.htmlecho 'www.b.com' > /data/site2/index.htmlecho 'www.c.com' > /data/site3/index.html![] 2. Modify or create a. Conf ending file in the conf.d directory, and add the following param ...

Posted on Mon, 11 Nov 2019 16:48:48 -0500 by fazbob

Luogu P3381 [[template] minimum cost maximum flow]

Send the network flow, and then send the cost flow If you can do the cost flow, the network flow can do it naturally. But here is Amway's own blog (which also has the problem of the network flow): Point me Far away. Cost flow is to find the minimum cost from the source point to the sink point without exploding the water pipe. Do you think ...

Posted on Mon, 11 Nov 2019 15:39:27 -0500 by uknowho008

HTML framework and iframe

I. framework (frameset) 1. Replaced with 2.rows sets the percentage of the row to the page; cols sets the percentage of the column; * indicates the remaining percentage; frameborder sets the frame's border (value 0 / 1) 0 - don't show the edge box 1 - show the border between each page; bordercolor sets the border color; framepac ...

Posted on Mon, 11 Nov 2019 10:06:31 -0500 by articlesocial

Cobbler automatic unattended installation

Cobbler I. Introduction1. Cobbler can be used to quickly establish the Linux network installation environment. It has lowered the technical threshold of Linux network installation from college education level or above to junior high school or below, and even cobbler can learn it.2. Cobbler is an upgrade of earlier kickstart, which has the adva ...

Posted on Mon, 11 Nov 2019 05:12:09 -0500 by mdemetri2

Python Crawler Crawl Chi-Lian Recruitment (Advanced Edition)

Preface Text and pictures of the text come from the network for learning and communication purposes only. They do not have any commercial use. Copyright is owned by the original author. If you have any questions, please contact us in time for processing. Author: C vs. Python PS: If you need Python learning materials for your child, click on the ...

Posted on Mon, 11 Nov 2019 02:44:53 -0500 by j007ha

BroadcastReceiver in Android

What is BroadcastReceiver? Android app s are designed for sending/subscribing by sending broadcasts and receiving broadcasts sent by the system or other apps.These broadcasts are sent when important events occur.For example, the Android system sends broadcasts when various system events occur, such as when the phone starts or when the phone sta ...

Posted on Sun, 10 Nov 2019 21:51:04 -0500 by vaan

Flutter -------- load local picture resources and network pictures

Load local image resources in Flutter Create the folder images in the directory of Flutter project, and add several pictures to the folder Designated resources In the pubspec.yaml file version: 1.0.0+1 environment: sdk: ">=2.1.0 <3.0.0" -------- flutter: this: assets: - images/lake.jpg - images/a.png ...

Posted on Sun, 10 Nov 2019 12:51:28 -0500 by PatriotXCountry

CCNP2 experiment: CHAP authentication, MGRE Technology

Article directory CCNP2 experiment: CHAP authentication, MGRE Technology 1. Planning IP: 2. Configuration: (1) bottom layer: (2) route: ① configuration default: ② setting up MGRE environment: ③ route announcement: ④ NAT on R1: ⑤ CHAP authentication: CCNP2 experiment: CHAP authentication, MGRE Technology Note: the t ...

Posted on Sun, 10 Nov 2019 10:11:18 -0500 by PHP Monkeh

What is java serialization? When is serialization required?

Serialization: the process of converting Java objects into byte streams. Deserialization: the process of converting a byte stream to a Java object.   Java objects need to be serialized when they need to be transferred on the network or stored in a file for persistence. Implementation of serialization: the class implements the Serializable i ...

Posted on Sun, 10 Nov 2019 10:07:23 -0500 by dirkadirka