Tag:cd

  • Information security operation – Copyright Protection

    Time:2022-7-25

    Description Alice and Bob are two programmers. They invented a word processing software paperwrite that is better than MS word. They can make the software into an installation CD and install it in Windows system. However, because they don’t know much about security technology, they are troubled by piracy and need your help. Design a […]

  • Assignment 7

    Time:2022-7-11

    Digital watermarking technology: using NEC algorithm, the watermark signal should be composed of independent identically distributed random real number sequences with Gaussian distribution, which should be embedded into the source data part, and then the text and watermark containing the watermark should be stored in the server. When the user installs the software, we compare […]

  • Introduction to information security assignment 7: copyright protection

    Time:2022-7-8

    Topic content Alice and Bob are two programmers. They invented a word processing software paperwrite that is better than MS word. They can make the software into an installation CD and install it in Windows system. However, because they don’t know much about security technology, they are troubled by piracy and need your help. Design […]

  • Assignment 7 copyright protection

    Time:2022-7-2

    Title Description: Alice and Bob are two programmers. They invented a word processing software paperwrite that is better than MS word. They can make the software into an installation CD and install it in Windows system. However, because they don’t know much about security technology, they are troubled by piracy and need your help. Design […]

  • Troubleshooting for RHEL 5 server system

    Time:2022-6-19

    1、 /boot all the following files are missing: (grub, kernel, initrd ramdisk)   1. start with BootDisk, enter the liunx rescue mode, and select local install or NFS (HTTP)installmode   2. enter mold repair mode:   (1). cd /mnt/sysimage   Check what files (if empty)   (2) install kernel:   cd /mnt/source/Server   rpm -ivh […]

  • Configuration and use of Yum source

    Time:2022-6-1

    Yum (full name: yellow dog updater, modified) is based on RPM package management. It can automatically download and install RPM packages from the specified server. It can automatically handle dependencies, and install all dependent packages at one time without tedious downloading and installation. Local Yum warehouse: the server provides services for the local machine Components […]

  • How to configure PHP to support GD under Linux

    Time:2022-6-1

    GD installationThe first thing to do is to install GD into the system. Before installing Gd, you need to install jpeg-6b, libpng, zlib and freetype. Here is the download URL: GD 2.0.33 jpeg-6b libpng 1.2.8 zlib 1.2.3 freetype-2.1.10.tar.gz Create installation kit directory mkdir /usr/local/modules After downloading, type the following instructions to install. Install zlib#Do not […]

  • Mount the CD image file, mobile hard disk, USB flash disk, windows network share and NFS network share under Linux

    Time:2022-5-23

    Mount command First, let’s introduce the use of the mount commandmethod, the mount command has a lot of parameters. Here we mainly talk about what we will use today. Command format:      mount [-t vfstype] [-o options] device dir Of which:      1.- T vfstype specifies the filesystemYou usually do not have to specify the […]

  • Revisit the glory of 20 years ago: blue dot Linux 2 0

    Time:2022-5-16

    In recent days, the IT session has been discussing chips and operating systems. Many people think that the operating system is not so difficult, but in real life, it is always slapping in the face! It’s hard to go to heaven! Why do so many companies around the world play open source? Only red hat […]

  • Installing GD under Linux

    Time:2022-5-5

    Before installing Gd, you need to install jpeg-6b, libpng, zlib and freetype. The following is the download URL: http://www.libgd.org/DownloadsGD Download ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gzJPEG Download http://www.libpng.org/pub/png/libpng.htmlPng Download http://www.zlib.net/zlib-1.2.3.tar.gzZlib Download http://www.freetype.org/Freetype Download 1.installzlib tar zxvf zlib-1.2.3.tar.gz cd zlib-1.2.3 ./configure make make install 2.installlibpng tar zxvf libpng-1.2.29.tar.gz cd libpng-1.2.29 cd scripts/ mv makefile.linux ../makefile cd .. make make install Note […]

  • Environment of Linux system jsp: Apache, Tomcat configuration

    Time:2022-4-17

    1.operationsystem   RedHat Linux 9.0 2. Required software   Apache 2.0.54 Download address   http://apache.freelamp.com/httpd Download the file httpd-2.0.54 tar. gz   Tomcat5.5.9 Download address   http://apache.justdn.org/jakarta/tomcat-5/v5.5.9/bin/ Download the file jakarta-tomcat-5.5.9 tar. gz   Mod_jk 1.2.14 Download address   http://apache.justdn.org/jakarta/tomcat-connectors/jk/source/jk-1.2.14/ Download the file jakarta-tomcat-connectors-1.2.14-src tar. gz   Jdk 1_5_0_04 Download address   http://java.sun.com/j2se/1.5.0/download.jsp Download the file jdk-1_ 5_ 0_ 04-linux-i586-rpm. bin When downloading, save […]

  • Making and recording of ISO image file under Linux system

    Time:2022-4-7

      1. Verify the MD5 value of the downloaded ISO image: $ md5sum download.iso   2. Burn ISO: 1) Download CDRECORD first: $sudo apt-get install cdrecord 2) Find device (recorder): $CDRECORD — scanbus (this will give a set of numbers like this: 0,0,0) 3) Start recording: $ cdrecord dev=0,0,0 download.iso   3. Verify the MD5 […]