current location:Home > Technical Articles > Operation and Maintenance > Linux Operation and Maintenance

  • Where are linux server logs generally placed?
    Where are linux server logs generally placed?
    Linux server logs are generally in: 1. /var/log/ directory, which contains most of the log files of the system and services; 2. /var/log/nginx/, when Nginx is used as a web server; 3. /var/log/apache2/ Or /var/log/httpd/, when Apache is used as a web server; 4. /var/log/mysql/ or /var/log/mariadb/, when used as a MySQL or MariaDB database server.
    Linux Operation and Maintenance 9652 2023-07-13 14:04:08
  • Where is the oracle monitoring log in linux?
    Where is the oracle monitoring log in linux?
    The Oracle listening log in Linux is in the "$ORACLE_HOME/network/log" directory. This directory is the location of the network configuration file in the Oracle software installation directory, including the listener configuration file and sqlnet.ora.
    Linux Operation and Maintenance 6694 2023-07-13 11:55:17
  • What are the configuration files mounted by the Linux file system?
    What are the configuration files mounted by the Linux file system?
    The configuration files mounted by the Linux file system are: 1. /etc/fstab, which defines the file system that is automatically mounted when the system starts; 2. /etc/mtab, which is a snapshot of the currently mounted file system and displays the current Detailed information of all mounted file systems in the system; 3. /etc/exports, used to define directories that can be shared through NFS and related permissions and options; 4. /etc/auto.master, used to configure automatic mounting Serve.
    Linux Operation and Maintenance 3781 2023-07-13 11:43:24
  • What is the identity of 500 in Linux?
    What is the identity of 500 in Linux?
    500 in Linux means that the owner has read and execute permissions "5", while the group and others do not have any permissions "0". 500 is one of the permissions of a file or directory. In the Linux file system, each file and directory has an access permission associated with it. These permissions specify the read, write and execute permissions for the file or directory.
    Linux Operation and Maintenance 1501 2023-07-13 11:43:08
  • Where to get software to run on Linux
    Where to get software to run on Linux
    To obtain running software on Linux, the sources are: 1. Official software repository, search, install and update software through the package manager; 2. Third-party software repository; 3. Official software website, download the software package from the official website and follow the instructions Install according to the installation instructions provided; 4. Manual compilation and installation from source code requires certain compilation and system knowledge, and may need to satisfy some dependencies.
    Linux Operation and Maintenance 1603 2023-07-13 11:10:23
  • Which linux development board is best?
    Which linux development board is best?
    Linux development boards depend on specific needs and project requirements. Commonly used ones are: 1. Raspberry Pi, which is easy to use and learn; 2. BeagleBoard, which provides powerful functions and flexibility; 3. NVIDIA Jetson, which is designed for AI and machine learning applications. And design; 4. Arduino, suitable for various embedded projects and IoT applications; 5. Intel Galileo/Edison, with strong processing capabilities and rich interface options.
    Linux Operation and Maintenance 3376 2023-07-13 11:00:48
  • What are the code statistics tools in Linux?
    What are the code statistics tools in Linux?
    Code statistics tools in Linux include: 1. Cloc, which is used to count the number of lines, comment lines and blank lines of source code; 2. SLOCCount, which can analyze the source code files in the project directory; 3. tokei, which supports a variety of Programming language, can quickly count the number of lines of code; 4. cloc_github, counts the number of lines of code according to the warehouse address, and generates detailed reports; 5. statsvn, counts the number of lines of code, modifications and other information in the SVN repository; 6. GitStats, can Generate the number of submissions.
    Linux Operation and Maintenance 3667 2023-07-13 10:47:39
  • What are the linux code analysis tools?
    What are the linux code analysis tools?
    Linux code analysis tools include: 1. GCC, which provides powerful static analysis functions; 2. Clang, which provides static analysis functions and supports the generation of warnings and error messages during compilation; 3. Cppcheck, which is used to detect common errors in the code ; 4. Coverity, used to discover potential flaws and security vulnerabilities in the code; 5. Valgrind, a powerful dynamic memory debugging and performance analysis tool; 6. strace, used to track the interaction between the application and the operating system.
    Linux Operation and Maintenance 2403 2023-07-13 10:47:37
  • What are the soft interrupts under Linux?
    What are the soft interrupts under Linux?
    Soft interrupts under Linux are a mechanism used to process some high-priority tasks. Common soft interrupts are: 1. TASKLET_SOFTIRQ, used to process lightweight tasks; 2. HI_SOFTIRQ, used to process high-priority tasks ; 3. TIMER_SOFTIRQ, used to handle timer interrupts; 4. NET_TX_SOFTIRQ and NET_RX_SOFTIRQ, used to send and receive network data packets respectively; 5. BLOCK_SOFTIRQ, used for block device I/O.
    Linux Operation and Maintenance 1888 2023-07-13 10:29:11
  • What is the linux kernel version
    What is the linux kernel version
    The Linux kernel version refers to the version number of the core program of the Linux operating system. The Linux kernel is an open source operating system kernel, developed with contributions from the Linux open source community led by Linus Torvalds. Each Linux kernel version has a unique identification number, including a major version number, a minor version number, and a revision number. .
    Linux Operation and Maintenance 7526 2023-07-11 17:56:11
  • What does make mean in linux
    What does make mean in linux
    Make in Linux is a build tool used to automatically compile and build software projects. Its role is to allow developers to manage and maintain complex software projects, automate the compilation process and generate executable files. Software projects typically consist of multiple source code files and dependencies. Each file needs to be compiled into an object file, and then these object files are linked together to produce the final executable file. Using the make tool simplifies this process because it automatically detects and builds different parts of the project based on a set of rules.
    Linux Operation and Maintenance 2341 2023-07-11 17:12:40
  • What does foo mean in linux
    What does foo mean in linux
    In Linux, foo is a general placeholder used to represent a variable, function or placeholder name with no specific meaning. It is an idiom often used in sample code, instructional materials, and documentation. When developers write code examples, they often use foo to represent a specific name or a specific value.
    Linux Operation and Maintenance 1637 2023-07-11 17:10:50
  • What does yum mean in linux
    What does yum mean in linux
    In Linux, yum is the abbreviation of Yellowdog Updater Modified. yum is a tool used to manage software packages on the Linux operating system. It is an open source software package manager, mainly used to automatically update, install, uninstall, query and manage software packages from software sources. yum is widely used in Red Hat-based distributions, such as Fedora, CentOS, Scientific Linux, etc.
    Linux Operation and Maintenance 3407 2023-07-11 16:56:43
  • Where is the directory where linux uses yum to install jdk?
    Where is the directory where linux uses yum to install jdk?
    When Linux uses the yum command to install JDK, the installation directory is determined by the operating system package manager. The search steps are: 1. Open the terminal; 2. Run the "rpm -ql <jdk-package-name>" command, and the JDK installation will be displayed. A list of all files and directories, including the installation path.
    Linux Operation and Maintenance 3587 2023-07-11 16:32:08
  • What are the Java build tools under Linux?
    What are the Java build tools under Linux?
    Java build tools under Linux include: 1. Maven, a popular build tool and project management tool, which uses POM to describe the structure and dependencies of the project; 2. Gradle, which has flexibility and scalability and is defined using Groovy or Kotlin language. The project's build script; 3. Ant, an XML-based build tool that uses build scripts to describe the project build process and supports task definition; 4. Bazel, which is suitable for large-scale software project construction and uses BUILD files to define build rules.
    Linux Operation and Maintenance 1131 2023-07-11 16:18:28

Tool Recommendations

jQuery enterprise message form contact code

jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29

HTML5 MP3 music box playback effects

HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.

HTML5 cool particle animation navigation menu special effects

HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29

jQuery visual form drag and drop editing code

jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29

Organic fruit and vegetable supplier web template Bootstrap5

An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03

Bootstrap3 multifunctional data information background management responsive web page template-Novus

Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02

Real estate resource service platform web page template Bootstrap5

Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02

Simple resume information web template Bootstrap4

Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02

Cute summer elements vector material (EPS PNG)

This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09

Four red 2023 graduation badges vector material (AI EPS PNG)

This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29

Singing bird and cart filled with flowers design spring banner vector material (AI EPS)

This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29

Golden graduation cap vector material (EPS PNG)

This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27

Home Decor Cleaning and Repair Service Company Website Template

Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09

Fresh color personal resume guide page template

Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29

Designer Creative Job Resume Web Template

Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28

Modern engineering construction company website template

The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28