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  • 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 9570 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 6580 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 3694 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 1437 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 1532 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 3308 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 3597 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 2319 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 1814 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 7447 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 2241 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 1535 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 3345 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 3511 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 1064 2023-07-11 16:18:28

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