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- Operating system: the core program that manages computer hardware and software resources
- Operating System ***Operating System How to check what linux is System adobe airlinux, OS*** for short, is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on "bare metal" How to check what linux is This is how you should learn Linux as any system. Any other software must be able to run with the support of the operating system. Do you know this? What follows is collected by the editor for you. You are welcome to read: Introducing the viewing methods of Windows and Linux systems respectively. Viewing under Windows *** The following uses the Xp system and Windows 8 system as examples *** As shown on the right View system image showing XP
- LINUX 846 2024-06-01 16:27:11
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- Ubuntu16.04 uses VNC to connect to the GNOME desktop
- 0x01 Before starting, because in some cases, it is necessary to use the graphical interface of remote desktop to connect to the server, so here is a brief introduction on how to install VNC and desktop environment under Ubuntu16.04LTS. Be sure to confirm that your server has 2GB or more of memory to better use the graphical interface, otherwise it will be stuck or even crash. 0x02 Install the desktop environment. If you do not install the desktop environment, you will see a gray screen and nothing can be seen after VNC connection. 1. You must use the root account to log in to the server using SSH. 2. Update the source and system and enter the following command: aptupdateaptupgrade-y3. Install the desktop environment. Here is an introduction to installing and using the unity desktop and using it for remote connection.
- LINUX 911 2024-06-01 15:37:17
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- How torrents work
- Torrents: Everything You Need to Know About Torrents - Every time I hear the word, the only things that come to my mind are free movies, games, and cracked software. But we don't know how they work, and there are various concepts involved in "seeds". So, through this article we understand what torrenting is from a technical point of view. What is a "seed"? A "seed" is a link to a file location on the Internet. They are not a file, they just dynamically point to the original file you want to download. For example: If you click GoogleChrome[1], you can download the GoogleChrome browser from Google's servers. like
- LINUX 680 2024-06-01 14:22:30
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- Linux whereis basic commands
- In this article, we will explain the basics of this command with some easy-to-understand examples. But before that, it's worth pointing out that all the examples below have been tested under Ubuntu16.04LTS. Linuxwhereis command The whereis command can help users find the binary file, source code and help page of a certain command. The following is its format: whereis[options][-BMSdirectory...-f]name... This is the explanation given by the man page of this command: whereis can find the binary file, source file and help file of the specified command. . When the found file is displayed, the main path name will be removed, and then
- LINUX 508 2024-05-30 10:18:47
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- List all Bash Shell built-in commands
- A shell built-in command is a command or a function that is called from the shell and is executed directly in the shell. bashshell executes the command directly without calling other programs. You can use the help command to view information about Bash's built-in commands. Below are several different types of built-in commands. The types of built-in commands are as follows: BourneShell built-in commands: Built-in commands inherit from BourneShell. Bash built-in commands: A table of Bash-specific built-in commands. Modify Shell Behavior: Built-in commands that modify shell properties and optional behaviors. Special built-in commands: Built-in commands specially classified by POSIX. How to view all bash built-in commands that have
- LINUX 413 2024-05-09 09:10:24
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- Cloud computing will become the core driving factor for the development of enterprise big data business
- Nowadays, business managers will inevitably see words such as “big data” or “cloud services” almost every day. To stay competitive in today's marketplace, companies must make smart business decisions that will produce real results, whether those results are helping to increase revenue, retain customers, or improve the quality of their products. Big data analytics projects are a key factor in achieving these goals. IDG defines big data as “the large amounts of information collected by enterprises from a variety of sources, including transaction data from enterprise applications/databases, social media data, mobile device data, unstructured data/documents, and machine-generated data. Wait. "IDG said: Various high-capacity, high-speed data information
- LINUX 1124 2024-05-09 08:31:11
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- Teach you how to set up a Japanese environment in Arch Linux
- In this tutorial, we will discuss how to set up a Japanese environment in ArchLinux. In other Unix-like operating systems, setting up a Japanese layout is not a big deal. You can easily select Japanese keyboard layout from settings. However, it is a bit difficult under ArchLinux and there is no proper documentation in ArchWiki. If you are using ArchLinux and/or its derivatives such as Antergos, ManajaroLinux, please follow this guide to use Japanese in ArchLinux and its derivatives. Set up the Japanese environment in ArchLinux First, in order to view Japanese characters correctly, install the necessary Japanese fonts: sudopacman-Sad
- LINUX 1002 2024-05-08 09:20:15
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- How to boot into the Linux command line
- There may be times when you need or want to start Linux without using the GUI (graphical user interface), that is, without X, but choose the command line. Whatever the reason, fortunately, booting directly into the Linux command line is very simple, and it requires a simple change in the boot parameters after the other kernel options. This change boots the system to the specified runlevel. Why do we do this? If your system is unable to run Xorg due to an invalid configuration or a corrupted display manager or any situation that would prevent the GUI from booting properly, booting to the command line will allow you to troubleshoot by logging into a terminal (assuming you know how to do that). and can do whatever you need it to do. Booting into the command line is also a good terminal to familiarize yourself with
- LINUX 609 2024-05-08 09:13:11
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- cURL vs. wget: Which one is better for you?
- When you want to download files directly through the Linux command line, two tools immediately come to mind: wget and cURL. They have many of the same features and can easily accomplish some of the same tasks. Although they have some similar features, they are not exactly the same. These two programs are suitable for different situations and have their own characteristics in specific situations. cURL vs wget: Similarities Both wget and cURL can download content. This is how they are designed at their core. They can both send requests to the Internet and return requested items. This can be a file, image, or something else like the raw HTML of the website. Both programs can make HTTPPOST requests. This means they can all send
- LINUX 1063 2024-05-07 09:04:17
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- Play with Git
- Introduction to git The biggest difference between distributed and centralized is that developers can submit locally, and each developer copies a complete Git repository on the local machine through cloning (gitclone). Compared with the SVN centralized code management that most of us have used, git is more secure for managing code. If the svn server hangs up, its data is likely to be in danger of being lost. For git, There will be no such thing, the code is all git to local, even if the server hangs up, the code will still be completely saved. Git is a version controller, which is completely different from the traditional svn. svn is a difference comparison, and code cannot be submitted offline. And git saves the complete code base in
- LINUX 691 2024-05-06 14:37:27
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- Building RAID5 under Linux
- 1. Preparation 1. Creating RAID5 requires at least 3 hard disks of the same capacity 2. You need to install the mdadm software package under Linux. You can use the rpm-qa|grepmdadm command to confirm whether the mdadm software is installed. 2. Partition the disk 1. Use fdisk-l Use the command to check the partition status; fdisk-l2. Use fdisk to partition the disk. Each partition in the RAID group needs to be the same size. The default ID of the partition is 83. Use the fd command to modify it. fdisk 3. Create a RAID5 group 1> To create a RAID5, at least 3 hard drives of the same capacity are required. It is recommended to use 4 hard drives of the same size, of which 3 hard drives are used as RAID5 and one hard drive is free as a hot spare. md
- LINUX 989 2024-05-05 16:34:01
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- Detailed explanation: SVN cooperates with Apache under Centos6.6
- Install svn and Apacheyuminstall-yhttpdhttpd-develsubversionmod_dav_svn. Make sure the svn module has been installed: mod_dav_svn#cd/etc/httpd/modules#ls|grepsvnmod_authz_svn.somod_dav_svn.so confirm that svn#svn--versionSVN configuration has been installed. Enter /etc/httpd Use vim to open the subversion.conf configuration file in the /conf.d directory to modify the options. The configuration of the module must ensure the following two sentences.
- LINUX 527 2024-05-04 08:13:19
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- Record once and use strace to diagnose the problem of PHP occupying too much system resources.
- Local environment: redhat6.7 system. nginx1.12.1, php7.1.0, the code uses the yii2 framework problem: the local web site needs to use the elasticsearch service. When PHP uses elasticsearch built on a local server, the local load is normal. When I use AWS's elasticsearch service, the load on the local server is often too high. Check the nginx and php logs and find no exceptions. The number of concurrent connections in the system is also not high. At this time, I thought of a strace diagnostic tool that our boss told me. Debugging process: Find a php sub-process idstrace-
- LINUX 960 2024-05-03 16:31:14
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- Rsync file synchronization learning
- First, let’s understand the general principle of rsync synchronization: Rsync synchronization uses the so-called “Rsync algorithm” to synchronize the files between the local and remote hosts. This algorithm only transmits different parts of the two files instead of each time. All are transmitted in full, so the transmission speed is quite fast. The Rsync server will open a service channel (port) 873 and wait for the client Rsync connection. When connecting, the Rsync server will check whether the password (passwd) matches. If it passes the password check, the file transfer can begin. When the first connection is completed, the entire file will be transferred once, and the next time only the difference between the two files will be transferred. Next, we will do the preliminary setup and complete the task requirements first.
- LINUX 1096 2024-05-02 21:04:15
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- Detailed explanation of Linux system disk
- 1. Disk classification. The current disk classifications on the market include: IDE disk (mostly used in PCs), SATA disk, SAS disk, SSD disk, etc. Most servers in enterprises are the latter two, and SATA disks are mostly used in enterprises. Some internal businesses and SAS disks are mostly used for external businesses (some business platforms). SATA disks currently have a maximum capacity of 4T, and SAS disks are generally between 300G and 600G. This type of capacity is most commonly used in enterprise production environments. The use of disks in actual production mainly depends on performance requirements, that is, disk reading. Writing speed. 2. Disk architecture: Enterprise-level servers have multiple disks. 3. Calculation of disk capacity. The structure of a disk generally includes tracks, disk surfaces, and sectors.
- LINUX 1152 2024-05-02 16:31:12
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