Linux system uses cmatrix to realize digital rain effect
1. Introduction to cmatrix
- cmatrix is an application that displays a "hacked screen" like effect in the terminal. It can display on-screen characters in a matrix code in a terminal window, with configurable options and colors. It is mostly used to showcase screensavers or ASCII artwork. cmatrix has versions for both Linux and Unix systems, and can be started by entering the "cmatrix" command in a terminal.
2. Introduction to the local environment
2.1 Local Environment Planning
This practice is a personal test environment, and the operating system version is centos7.6.
| hostname | local P address | operating system version | kernel version | python version |
|---|---|---|---|---|
| jeven | 192.168.3.166 | hundred 7.6 | 3.10.0-957.el7.x86_64 v16.17.0 | 3.6.8 |
2.2 Introduction to this practice
1. The deployment environment for this practice is a personal test environment;
2. Realize the digital rain effect on the screen in the centos7.6 environment.
3. Environmental preparation
3.1 Install the development environment
Package group for installing development tools
yum -y groupinstall "Development tools"
3.2 Install basic software
Install basic software
yum install -y gcc gcc-c++ zlib zlib-devel libffi-devel openssl openssl-devel pcre pcre-devel yum-utils vim wget tree htop sqlite-devel
3.3 Install ImageMagick and other tools
Install tools such as ImageMagick
yum install ImageMagick ncurses-devel gcc -y
Fourth, install the aalib tool
4.1 Create a new directory
Create a new directory
mkdir -p /data/cmatrix && cd /data/cmatrix/
4.2 Download the aalib installation package
Download the aalib installation package
wget https://nchc.dl.sourceforge.net/project/aa-project/aa-lib/1.4rc5/aalib-1.4rc5.tar.gz
4.3 Decompress the package
Unzip the package
tar -xzf aalib-1.4rc5.tar.gz
4.4 Compile and install aalib
Compile and install aalib
cd aalib-1.4.0/ && ./configure
make && make install
Five, install cmatrix software
5.1 Download cmatrix
Download the cmatrix package
wget https://jaist.dl.sourceforge.net/project/cmatrix/cmatrix/1.2a/cmatrix-1.2a.tar.gz
5.2 Unzip the cmatrix software package
Unzip the cmatrix package
tar -xzf cmatrix-1.2a.tar.gz
5.3 Compile and install cmatrix
Compile and install cmatrix
cd cmatrix-1.2a
./configure && make && make install
5.4 Check cmatrix version
[root@jeven cmatrix-1.2a]# cmatrix -V
CMatrix version 1.2a by Chris Allegretta (compiled 18:14:42, Aug 10 2023)
Email: [email protected] Web: http://www.asty.org/cmatrix
Six, the use effect of cmatrix
6.1 View cmatrix command help
View cmatrix command help
cmatrix --help
-a： 异步滚动
-b： 启用粗体字符
-B： 所有粗体字符（替代-B）
-f： 强制打开linux$TERM类型
-l： Linux模式（使用矩阵控制台字体）
-o： 使用旧式滚动
-h： 打印使用和退出
-n： 没有粗体字符（替代-b和-b，默认值）
-s： “屏幕保护程序”模式，第一次按键时退出
-x： x窗口模式，如果xterm使用mtx.pcf，则使用
-V： 打印版本信息并退出
-u延迟（0-10，默认为4）：屏幕更新延迟
-C[color]：将此颜色用于矩阵（默认为绿色）
6.2 Display digital rain effect
Enter cmatrix directly in the command line to display the digital rain effect.
cmatrix
-Combined use example
cmatrix -b -u 3 -C blue
