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- Use the sar tool to detect system performance bottlenecks
- The sar command is used to collect, report, or save UNIX/Linux system activity information. It saves selected counters to the operating system's /var/log/sa/sadd file. From the collected data, you can get a lot of information about your server: CPU usage, memory page and usage, network I/O and transfer statistics, process creation activity, all block device activity, number of interrupts per second, etc. The output of the sar command. Can be used to identify server bottlenecks. However, it can be difficult to analyze the information provided by the sar command, so use the kSar tool. The kSar tool can plot the output of the sar command into an easy-to-understand chart based on time periods. sysstat packages sar, sa1, and sa
- LINUX . vim 499 2024-06-03 11:03:54
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- Analysis of common permission maintenance backdoor technologies under Linux
- Obtaining the target's permissions during the penetration process is just the beginning. Usually, a side door is left for easy access again (APT for short). Therefore, it is necessary to maintain permissions and hide the side door. This article will analyze the common permission maintenance side door technologies under Linux, so that you can fight against them if you know them. 1. Principle of adding root account: lower the root password to password for the root user useradd-u-0-o-groot-Groot:password|chpasswd. The above command may not be added. If it cannot be added, execute the two commands separately useradd- u0-o-groot-Grootrootechoroot:root|chpasswdIf it still fails p
- LINUX . vim 563 2024-06-02 15:11:33
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- DHCP common configuration file analysis
- This article provides a detailed analysis of several common files during the DHCP installation process. The specific analysis is as follows: /etc/dhcpd.conf This is the main configuration file of the DHCP server. However, this file does not exist after the DHCP server is installed in some systems, so it needs to be created manually. Others have this main configuration file but no content. Just copy the corresponding template to this configuration file. /usr/sbin/dhcpd is the executable file that starts the entire dhcp server. /var/lib/dhcpd/dhcpd.leases This is the record of the start and expiration time of the lease establishment between the DHCP server and the client. These records are in this file. The DHCP server is not started
- LINUX . vim 487 2024-06-01 22:18:13
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- Methods to solve the Chinese garbled problem of vim in Linux server and introduction of related parameters
- When logging in to a Linux server remotely and using vim to edit and view files in the terminal, various English garbled problems often occur. Making the following settings can basically solve the vim English garbled problem. First check the system's support for English locale-a|grepzh_CN output sample is as follows zh_CN.gbkzh_CN.utf8vim can only correctly identify the English encoding files in the list. If you need to identify other encoding types of English file, you need to do a system upgrade vi~/.bash_profile file and add exportLANG="zh_CN.UTF-8" exportLC_ALL="zh_CN.UTF-8" at the end of the file
- LINUX . vim 709 2024-06-01 21:20:24
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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 . vim 926 2024-06-01 15:37:17
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- Four recommended AI-assisted programming tools (supporting C# language)
- Preface In this stage of rapid development of AI, a large number of useful AI-assisted programming tools have emerged. AI-assisted programming tools can improve development efficiency, improve code quality, and reduce bug rates. They are important assistants in the modern software development process. Today Dayao will share with you 4 AI-assisted programming tools (and all support C# language). I hope it will be helpful to everyone. Image of AI-assisted programming tool GitHubCopilotGitHubCopilot is an AI coding assistant that can help you write code faster and with less effort, so you can focus more on problem solving and collaboration. GitHubCopilot provides suggestions as you code: sometimes completions for the current line, sometimes entirely new blocks of code. Can
- AI . vim 683 2024-05-30 10:03:11
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- How to bring up the edit bar in python
- In the Python interactive interpreter, you can bring up the edit bar by using the open() function to create a file and open it in the editor. Using a Python IDE such as PyCharm or VSCode, bring up the edit bar via "File" > "New" > "Python File". Use the python filename.py -m <editor> command on the command line, where <editor> is the name of the editor. Use the edit() function in the interactive interpreter to save the code to a file and then open it in the editor
- Python Tutorial . vim 762 2024-05-05 20:09:58
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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 . vim 546 2024-05-04 08:13:19
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- In 12 video understanding tasks, Mamba first defeated Transformer
- This site publishes columns with academic and technical content. In recent years, the AIxiv column of this site has received more than 2,000 reports, covering top laboratories from major universities and companies around the world, effectively promoting academic exchanges and dissemination. If you have excellent work that you want to share, please feel free to contribute or contact us for reporting. Submission email: liyazhou@jiqizhixin.com; zhaoyunfeng@jiqizhixin.com. Exploring a new realm of video understanding, the Mamba model leads a new trend in computer vision research! The limitations of traditional architecture have been broken. The state space model Mamba has brought revolutionary changes to the field of video understanding with its unique advantages in long sequence processing. From Nanjing University, Shanghai
- AI . vim 1478 2024-05-01 08:20:15
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- Run Linux on Android devices
- Once upon a time, I tried searching for a simple way to run Linux on Android. My only intention at that time was just to use Linux and some basic applications like SSH, Git, awk, etc. Not asking for much! I don't want to root my Android device. I have a tablet that I use mainly for reading e-books, news, and a handful of Linux blogs. Other than that, I don't use it much. So I decided to use it to implement some Linux functions. If you also want to run Linux on your Android device, this article may be helpful to you. Termux - Android terminal emulator that runs on Android and ChromeOS
- LINUX . vim 892 2024-04-26 09:07:01
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- Four recommended AI-assisted programming tools
- This AI-assisted programming tool has unearthed a large number of useful AI-assisted programming tools in this stage of rapid AI development. AI-assisted programming tools can improve development efficiency, improve code quality, and reduce bug rates. They are important assistants in the modern software development process. Today Dayao will share with you 4 AI-assisted programming tools (and all support C# language). I hope it will be helpful to everyone. https://github.com/YSGStudyHards/DotNetGuide1.GitHubCopilotGitHubCopilot is an AI coding assistant that helps you write code faster and with less effort, so you can focus more on problem solving and collaboration. Git
- AI . vim 1466 2024-04-22 17:34:12
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- What software to use to open java files
- Open Java files using the Java Development Kit (JDK), Eclipse, IntelliJ IDEA, NetBeans, or a text editor (such as Notepad++, TextEdit, Vim) where the text editor is used only to view the content.
- javaTutorial . vim 1324 2024-04-21 02:58:15
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- What are the commonly used python programming software?
- The main types of Python development software are: integrated development environments (IDEs), code editors, interpreters, libraries and frameworks. IDEs provide comprehensive development environments (e.g. PyCharm, Visual Studio Code), code editors are used to write code (e.g. Atom, Vim), interpreters execute code (e.g. CPython, Jython), and libraries and frameworks provide pre-written code (e.g. NumPy, Scikit-learn, Django).
- Python Tutorial . vim 854 2024-04-20 21:46:17
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- vim bug in Debian
- I've been wondering why vim on my server behaves so stupidly when it comes to the mouse: it can't jump, copy, and paste like usual. Although it is already set in /etc/vim/vimrc.local. setmouse=Finally I figured out why, thanks to bug#864074 and fixed it. The reason is that when there is no ~/.vimrc, vim loads defaults.vim after vimrc.local, thus overriding several settings. There is a comment in /etc/vim/vimrc (although I don't see it) that explains this: "Vimwillload$VIMRUNTIME/defaults.
- LINUX . vim 881 2024-04-20 09:04:01
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- Ideas to solve the problem that Xshell cannot connect to the virtual machine
- The first time I used xshell, I couldn't connect to Linux. I tried it for a long time and searched many solutions, but finally I solved it. Here I will share my own solution and list the solutions on the Internet. I hope it can help others. . 1. Your linuxip address is not configured. The ip address is not configured. You need to configure it yourself. There are many configuration methods on the Internet. Here is one: enter the vim/etc/sysconfig/network-scripts/ifcfg-eth0 command to change the content of this file to the following: Set the ip yourself, for example It is: 192.168.1.155 and then enter ifconfig-a to find your own IP and change it. 2Change yourself
- LINUX . vim 1101 2024-04-17 09:01:06
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