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  • Red Hat Linux distribution RHEL updates version 9.2: Improves automatic processing capabilities and improves the system image creation process
    Red Hat Linux distribution RHEL updates version 9.2: Improves automatic processing capabilities and improves the system image creation process
    According to news on July 13, Red Hat Enterprise Linux operating system (RHEL) entered version 9 last year, version 9.0 was launched in May, and version 9.1 was released in November. Although Red Hat has recently been criticized by the industry for restricting its RHEL source code license, Red Hat still released the RHEL9.2 version according to the predetermined plan of the product life cycle. ▲Picture source Red Hat RHELIT Home found that in the RHEL9.2 version update, Red Hat continues to expand the functions of RHEL system roles (SystemRoles), as well as the exclusive content of the Ansible automated processing platform for RHEL use, in order to support a large number of deployment environments By automating common system management tasks, it improves configuration consistency and
    Nginx 1511 2023-07-19 18:49:28
  • Six great Linux distributions for network engineers
    Six great Linux distributions for network engineers
    As a network engineer, you are not alone when considering installing Linux for your job, as Linux is a common operating system of choice for them. If you are a network engineer, you may be wondering which distributions have the best features at work. The following are the 6 best Linux distributions for network engineers: 1. Fedora Among the many Linux distributions, Fedora is one of the most respected among network engineers, and the reason is simple. Fedora is an open source distribution equivalent to the community edition of Red Hat Enterprise Linux (RHEL). RHEL itself is often chosen as the operating system for enterprise-level systems. As a result, network engineers using Fedora will become more familiar with the RHE they encounter throughout their careers.
    Nginx 1209 2023-07-18 21:46:55
  • Build a Raspberry Pi monitoring dashboard in less than 30 minutes
    Build a Raspberry Pi monitoring dashboard in less than 30 minutes
    If you want to know how your Raspberry Pi is performing, then you probably need a Raspberry Pi dashboard. In this article, I'll demonstrate how to quickly build an on-demand monitoring dashboard to view your Raspberry Pi's CPU performance, memory, and disk usage in real time, and add more views and actions at any time as needed. If you already use Appsmith, you can also import the sample application directly and get started. Appsmith Appsmith is an open source low-code application building tool that helps developers easily and quickly build internal applications such as dashboards and admin panels. It is a great option for dashboards and reduces the time and complexity required by traditional coding methods. In this example dashboard, I display the following statistics
    Nginx 1121 2023-07-16 20:50:33
  • Six great file systems for installing Linux
    Six great file systems for installing Linux
    Choosing the right file system for your computer can be a difficult process. You might be wondering: why is a file system important? Is there a specific file system suitable for installing Linux? It turns out that there are two file systems that perform best when installing Linux. Best Universal File Systems for Linux The best file systems for installing Linux are ext4 and Btrfs. While the two file systems are similar in many ways, there are some key differences between Btrfs and ext4 to be aware of. 1. ext4ext4 is the default file system used in most Linux installations. It was first released in 2008 and is the successor to ext3. As a file system that has been used for a long time, ex
    Nginx 1102 2023-07-14 23:50:54
  • 60 bugs fixed, Linux Mint team is testing 21.2 official version ISO image
    60 bugs fixed, Linux Mint team is testing 21.2 official version ISO image
    According to news on July 11, the LinuxMint community website shows that the team is testing the ISO image of LinuxMint21.2 and, as before, is producing three different flavor versions of Cinnamon, MATE and Xfce. The team released a public beta version 2 weeks ago. On July 1, it stated that it had collected more than 60 bug reports and promptly fixed many problems reported by users. IT Home Note: LinuxMint21.2, codenamed "Victoria", is based on Canonical's long-term supported Ubuntu22.04LTS (JammyJellyfish) operating system and uses LinuxKernel5.15LTS. LinuxMi
    Nginx 1508 2023-07-13 14:37:20
  • Advanced Linux Shell Scripting Series (1)
    Advanced Linux Shell Scripting Series (1)
    Unixshell provides a very powerful and extensible scripting framework. Many advanced mechanisms allow the writing of more complex scripts using built-in commands. 1. Shell script writes a bash script named linuxmi.sh. When the script is executed using three given parameters (one is the directory name, the second is the number of starting directories, and the third is the number of ending directories), It will create the specified number of directories, the directory names are dynamically generated. The code is as shown below: The output is as shown below: 2. Create a script to back up all the work done so far 3. Understand Cron and Crontab to automate backup scripts Cron is an application in Linux that runs scheduled jobs. Cron is available on any Linux
    Nginx 1465 2023-07-09 23:25:28
  • How to install and use Wireshark in Ubuntu 22.04
    How to install and use Wireshark in Ubuntu 22.04
    Wireshark is a free and open source, cross-platform, GUI-based network packet analyzer available for Linux, Windows, MacOS, Solaris, etc. It captures network packets in real-time and presents them in human-readable format. It enables us to monitor network packets at a microscopic level. It also has a command line program called tshark, which performs the same functions as Wireshark, but through the terminal instead of through the GUI. Wireshark can be used for network troubleshooting, analysis, software and communication protocol development, and for educational purposes. Wireshark uses a library called pcap to capture network packets. Wireshark feature support check count
    Nginx 1819 2023-07-09 16:34:41
  • Five unique uses for the Raspberry Pi
    Five unique uses for the Raspberry Pi
    Recently, I heard someone on a conference call say that the open source community is a combination of curiosity and a culture of problem-solving. Curiosity is the basis of our problem solving. When solving problems of all sizes, we use a wide range of open source tools, including Linux running on the incredibly convenient Raspberry Pi. We all have different life experiences, so I asked our community of authors for the weirdest uses for a Raspberry Pi they've come across. I have a feeling these amazing builds will inspire others. Experimenting with a Raspberry Pi For me, the Raspberry Pi is a great tool for adding extra development resources to my home network. If I want to create a new website or try a new software tool, I don't have to let my desktop Lin
    Nginx 1809 2023-07-09 14:10:38
  • Nginx virtual host load balancing configuration to achieve multi-domain traffic distribution
    Nginx virtual host load balancing configuration to achieve multi-domain traffic distribution
    Nginx virtual host load balancing configuration to achieve multi-domain traffic distribution Introduction: In modern network applications, load balancing is an important factor in improving system stability and performance. As a high-performance web server, Nginx can use its powerful load balancing function to achieve multi-domain traffic distribution. This article will introduce how to configure Nginx virtual host load balancing to achieve traffic distribution of multiple domain names. 1. Basic environment preparation: Before starting, we need to ensure that Nginx has been installed and has the following
    Nginx 1930 2023-07-08 12:49:44
  • Make web-safe colors using Bash
    Make web-safe colors using Bash
    When computer monitors have a limited color palette, web designers often use a set of web-safe colors to create websites. While modern websites displayed on newer devices can display more colors than the original web-safe palette, I sometimes like to refer to web-safe colors when creating web pages. This way I know my page will look good everywhere. You can find the Web Safe Palette online, but I wanted to have my own copy for easy reference. You can also create one using a for loop in Bash. Bashfor loop The syntax of a for loop in Bash is as follows: for variable in collection; do statement; done For example, suppose you want to print all numbers from 1 to 3. You can quickly use Bas
    Nginx 1672 2023-07-07 18:54:08
  • Detailed explanation of Nginx load balancing algorithm and optimization of website services
    Detailed explanation of Nginx load balancing algorithm and optimization of website services
    Detailed explanation of Nginx load balancing algorithm, optimization of website services Introduction: In large websites, in order to improve the performance and reliability of the website, it is often necessary to use load balancing technology. Nginx is a high-performance open source reverse proxy server. It can be used as a load balancing server to distribute client requests to multiple back-end servers for processing, thereby achieving high concurrent access and failover of the website. This article will introduce the Nginx load balancing algorithm in detail and provide some code examples. 1. Common load balancing algorithms: polling (Roun
    Nginx 1207 2023-07-07 15:03:07
  • Nginx proxy cache update configuration to respond to changes in website content in real time
    Nginx proxy cache update configuration to respond to changes in website content in real time
    Nginx proxy cache update configuration, real-time response to website content changes Introduction: With the continuous increase in website visits, how to improve website performance has become an important issue. Nginx is a high-performance HTTP server and reverse proxy server, and proxy caching is an important part of it. In daily operation and maintenance, it is often necessary to update and modify the content of the website while maintaining the response speed when users access it. This article will introduce how to configure proxy caching in Nginx and enable it to respond to the website in real time
    Nginx 1784 2023-07-07 08:06:09
  • Nginx multi-server cluster configuration to increase website availability
    Nginx multi-server cluster configuration to increase website availability
    Nginx multi-server cluster configuration to increase website availability In modern Internet applications, it is crucial to ensure the high availability of the website. A common approach is to share the load by configuring a cluster of multiple servers to improve website availability and performance. This article will introduce how to use Nginx to configure a cluster of multiple servers to achieve load balancing and failover. Install and configure Nginx First, Nginx needs to be installed on all servers. It can be installed using the following command: sudoapt-getu
    Nginx 2443 2023-07-06 17:55:37
  • Memory management in Linux protected mode
    Memory management in Linux protected mode
    We know that memory can be regarded as a very large array. If we want to find an element in the memory, it will be specified by the subscript of the array. The same is true for memory, but there is a premise that the array is composed of a group of It is composed of ordered bytes. In this ordered byte array, each byte has a unique address. This address is also called a memory address. There are many objects stored in the memory. Each object is composed of different bytes, such as a char object, a byte object, an int object, etc. They are all divided into various locations in the memory. The CPU controls these objects in the memory. The operation of locating an address is called memory addressing. The memory is addressed starting from address 0. How many bits of memory address can be found in total? Answer: It’s the root
    Nginx 1351 2023-07-06 15:20:03
  • Understand nginx configuration tutorial in seconds and get started developing websites quickly
    Understand nginx configuration tutorial in seconds and get started developing websites quickly
    Understand nginx configuration tutorial in seconds and quickly start developing websites. Recently, more and more developers choose to use nginx as a proxy server for website development. nginx has become the first choice for many people due to its high performance, low resource consumption and flexible configuration. But for novices, configuring nginx may be difficult. This article will take you step by step to understand nginx configuration and quickly get started developing a website through code examples. 1. Install nginx First, you need to install ngin on your computer or server
    Nginx 3631 2023-07-06 11:12:06

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