The most famous text adventure game – Giant Cave Adventure
ColossalCaveAdventure[1], also known as ADVENT, ClossalCave or Adventure, is the most popular text-based adventure game from the early 1980s to the late 1990s. The game is also known as the first "interactive fiction" game in history. In 1976, a programmer named Will Crowther developed an early version of the game, and later another programmer named Don Woods improved the game, adding many new elements to it, including a scoring system and more fantasy characters and settings. The game was originally developed for the PDP-10, a
Apr 01, 2024 pm 07:58 PM
The big secret of Python version upgrade: backup, update, and problem solving all in one place
As technical talents who are proficient in Linux systems, in order to meet the growing development needs and fix security risks in older versions, we often need to update and upgrade the Python version. This article provides an in-depth discussion on this topic, including the preparations involved, the specific implementation steps of various upgrade methods, potential problems and their corresponding strategies, etc. The purpose is to provide readers with a clear and easy-to-understand guide to Linux training to help You successfully upgraded the Python version. Preparations Before upgrading the Python version, necessary preparations must be made to ensure that the process is correct. First of all, it is important to clearly understand the existing Python version and its dependencies. You can find out which Python you are currently using by running the following command
Apr 01, 2024 am 08:01 AM
CentOS yum installation JDK
1. Check the jdk version currently supported for installation on the cloud [root@localhost~]#yumsearchjava|grepjdkldapjdk-javadoc.noarch:Javadocforldapjdkjava-1.6.0-openjdk.x86_64:OpenJDKRuntimeEnvironmentjava-1.6.0-openjdk-demo.x86_64:OpenJDKDemosjava-1.6 .0-openjdk-devel.x86_64:OpenJDKDevelopmentEnvironme
Mar 31, 2024 pm 04:41 PM
Detailed explanation of iptraf command in Linux
iptraf is an IP LAN monitoring tool developed based on ncurses. It can monitor network card traffic in real time and generate various network statistics, including TCP information, UDP statistics, ICMP and OSPF information, Ethernet load information, node statistics, and IP calibration. checksum errors and other information. The parameter list of iptraf. Adding different parameters after iptraf can play different roles. The following is the parameter command list of iptraf: Note: Open the command line window and use iptraf to be told that you need to run as an administrator. Switch from ordinary user to Administrator users only need to execute the command sudosu. As shown in the figure below, Figure 1 is the prompt message before switching to the administrator identity.
Mar 31, 2024 am 09:46 AM
loadrunner linux LoadRunner performance testing on Linux: challenges and practice
Recently, an increasing number of software testing engineers have raised concerns about the performance evaluation of LoadRunner in Linux systems. As the industry's leading performance testing tool, LoadRunner has received unanimous praise for its widespread adoption in Windows environments, but its application in Linux systems has triggered heated discussions. This article will delve into the actual application of LoadRunner in Linux systems, specifically involving key issues such as its installation settings, adaptation capabilities, and performance results, thereby helping readers have a more comprehensive and in-depth understanding of the current situation in this field. Introduction to LoadRunner First, it is crucial to understand LoadRunner. This is developed by MicroFocus
Mar 30, 2024 pm 10:41 PM
File I/O programming under Linux
(1) .open() opens the file #include#include#includeintopen(constchar*pathname,intflags); Parameter 1: pathname, the path where the file is located Parameter 2: flags, file permissions, relative to the program process, common macros are: O_WRONLY, O_RDONLY ,O_RDWR,O_EXCL,O_APPEND,O_DUMP Parameter 3: mode, used when creating a file, usually the value of umask. Return value: Returns the file descriptor successfully, otherwise returns -1
Mar 30, 2024 pm 09:31 PM
Enable nested virtualization on KVM on Centos7
Nested virtualization means configuring a virtualization environment within a virtual machine. In other words, we can say that nested virtualization is a feature of the hypervisor that allows us to install and run virtual machines inside a virtual server through the hardware acceleration of the hypervisor (host). In this article, we will discuss how to enable nested virtualization on KVM on CentOS7/RHEL7. I assume you have already configured the KVM hypervisor. If you are unfamiliar with how to install and configure the KVM hypervisor, please refer to the following article. Installing the KVM hypervisor on CentOS7.x and RHEL7.x Let us enter the virtualization hypervisor and verify whether your KVM host has nested virtualization enabled. based on
Mar 30, 2024 pm 05:21 PM
Steps to install and configure JDK on Linux system: Visit Oracle official website to download
The following are the steps to install and configure JDK on a Linux system: 1. Visit Oracle’s official website to download the JDK installation package. The download address is: jdk8-downloads.html 2. Upload the downloaded JDK installation package to the Linux server to install jdk on the Linux operating system Steps, you can use the scp command to upload the linux operating system installation jdk steps, for example: ```shellscpjdk-8u271-linux-x64.tar.gzuser@server_ip:/home/user/``` 3. Unzip the JDK installation package linux desktop , you can use the following command to decompress: ```shel
Mar 30, 2024 pm 03:51 PM
php suite linux PHP suite carnival! Combining two swords under Linux, development efficiency soars
Recently, the industry has generally paid great attention to the application of PHP software suites in Linux operating systems. As today's most popular server-side scripting language, PHP has a wide range of applications in the field of Web development. The Linux system has become the first choice for the majority of users due to its stable performance, high security and complete openness. This article aims to discuss in detail the actual application of the PHP software suite in the Linux system environment and its maximum integration effect. 1. Introduction to PHP suite The so-called PHP suite is essentially a comprehensive tool component that facilitates programmers to easily complete related program tasks, reduces the complexity of code development, and thereby improves development efficiency. Take Larv
Mar 30, 2024 pm 12:21 PM
One command makes Ubuntu upgrade easier
zzupdate[1] is an open source command line program that makes the task of upgrading Ubuntu desktop and server versions to a newer version easier by combining several update commands into a single command. Upgrading your Ubuntu system to a newer version is not a difficult task. Whether using the GUI or using a few commands, you can easily upgrade your system to the latest version. On the other hand, zzupdate written by Gianluigi 'Zane' Zanettini can clean, update, automatically delete, version upgrade, and self-update the tool in Ubuntu with just one command. It cleans the local cache, updates available package information, and then performs a release upgrade. then
Mar 29, 2024 pm 10:06 PM
Linux System Administrator Reveals: A Complete Guide to Analysis of Red Hat Linux Versions
As a senior Linux system administrator, I already have a deep knowledge base and unique perspective on the analysis, diagnosis and treatment of RedHat version of Linux systems. This article will provide an in-depth analysis of all aspects of the RedHat version of the Linux system, including identifying its version characteristics, decoding the version number, and the actual steps for transmitting test version updates, etc., in order to help you fully grasp and efficiently utilize the features of the RedHat operating system. 1. Understand RedHat One of the Internet companies with the highest market value in the United States, RedHat has won a leading position in the global software market through its operating system products developed under the framework of open source technology. Its Linux distribution RedHat EnterpriseLinux (referred to as
Mar 29, 2024 am 09:16 AM
Linux timer decryption: Seven major questions revealed
Linux timers are important system elements and are crucial to the operation of the operating system. As a senior Linux kernel technical expert, I will explain seven major questions about Linux timers in detail to help you understand and use them more deeply. Question 1: What is a Linux timer? Linux timerLinux timer is a kernel mechanism that automatically performs specific tasks at a set time in the kernel interval. This function can be called by both applications and kernel modules, making the process of time management more accurate and efficient. Question 2: What are the classifications of Linux timers? Linux has a variety of timers, which can be classified into three categories: hardware timers, software timers and high-precision timers.
Mar 29, 2024 am 08:41 AM
Versatile virtual machine product prototype development experiment purpose: learn how to compile through this experiment
How to compile and run an ARMLinux kernel 1. The purpose of the experiment is to learn how to compile an ARM version of the kernel image and run it on the QEMU virtual machine through this experiment. 2. Experimental steps In order to speed up the development process, ARM provides the VersatileExpress development platform. Customers can develop product prototypes based on the VersatileExpress platform. As an individual learner, there is no need to purchase the VersatileExpress development platform or other ARM development boards. You can use QEMU to simulate the development platform Linux and develop arm, which can also achieve the purpose of learning. (1) Design the tool to download the following code package.
Mar 29, 2024 am 08:16 AM
Play with the ever-changing Debian
1. Obtain and install the latest stable version of Debian, which is 9.3, codenamed stretch. Last updated on December 9, 2017. Visit https://www.debian.org/distrib/ to select a small installation image: less than 300M, and the installation process requires an Internet connection. 64-bitPCnetinstiso Use vmware to create a new virtual machine》Typical》Installation program CD image file》Browse the iso file》Determine the virtual machine name and storage location》Save as a single file》Complete and then start. Enter Debian's installation "Graphicalinstall" Select language "Chinese Simplified" to continue? Select Yes》Region China》Chinese》Configure network (virtual
Mar 28, 2024 pm 04:40 PM
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