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- What is the command to view packets in Linux?
- Commands for viewing packets in Linux: 1. The tvpdump command is a very powerful network analysis tool that can capture data packets passing through the network interface and output or save them as files; 2. The tshark command is the "Wireshark" command The line version can be used to capture, analyze and display network data packets; 3. The ngrep command is a powerful network data packet filtering tool that can search and display network data packets based on specified expressions.
- Linux Operation and Maintenance 2582 2023-07-24 17:33:04
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- What does the control terminal in linux mean?
- The control terminal in Linux refers to the interactive interface between users and the system in the Linux operating system. It provides a text interface that allows users to enter commands through the command line to control various operations of the system. The control terminal is also called Terminal emulator because it simulates the functionality of a physical terminal.
- Linux Operation and Maintenance 1792 2023-07-24 17:33:30
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- What does prefix mean in linux?
- Prefix in Linux refers to the base directory for software package installation. When using a package management system to install software on a Linux system, software packages are usually installed in specific locations on the Linux system so that the system can find and execute them, and prefix is Specifies the base path for package installation, also known as the "package installation prefix".
- Linux Operation and Maintenance 3090 2023-07-24 17:33:39
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- What does the linux boot partition mean?
- The boot partition of Linux refers to a specific partition that needs to be reserved when installing the Linux operating system. It is used to store the bootloader and kernel image. In Linux, the bootloader is responsible for booting the operating system, and the kernel image is the operating system's main component. The existence of the boot partition is mainly to solve startup problems and compatibility issues. During the startup process, the computer needs to find the bootloader and kernel files and load them correctly.
- Linux Operation and Maintenance 5179 2023-07-24 17:33:47
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- What is forward in linux
- Forward in Linux refers to the process of forwarding received network data packets to other computers. This can be achieved by modifying kernel parameters or using a network bridge device. No matter which method is used, Linux provides powerful tools for configuration and management. By rationally using the forward function, more efficient and flexible network communication can be achieved.
- Linux Operation and Maintenance 2307 2023-07-24 17:34:04
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- What is master in linux
- The master in Linux refers to the master node or master server in the Linux system. In a distributed system, the master refers to the main node that controls the entire system. In a Linux cluster, the master node is responsible for coordinating and managing the work of the entire cluster. It is the central controller of all nodes and is responsible for allocating tasks, monitoring cluster status, handling failures, and maintaining the normal operation of the cluster.
- Linux Operation and Maintenance 2621 2023-07-24 17:34:52
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- What does network in linux mean?
- Network in Linux means a network management tool. After the network control network interface configuration information is modified, the network service must be restarted to activate the new network configuration so that the configuration takes effect. The control script is "/etc/init.d/ network" file, you can add specified parameters after the file to operate the network service.
- Linux Operation and Maintenance 3281 2023-07-24 17:35:03
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- What is linux swap space
- Linux swap space is a special hard disk space used for memory expansion in the Linux operating system. Its role is to provide additional virtual memory to ensure the normal operation of the system. Proper configuration and management of swap space can help maintain the stability and performance of the system regularly. It is the responsibility of the system administrator to monitor the usage of Swap space and adjust the size of the swap space according to the actual situation.
- Linux Operation and Maintenance 2302 2023-07-24 17:35:13
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- What are the options of yum in linux?
- In Linux, Yum is a package management tool used to manage software packages on RPM-based distributions. Common Yum options and their functions are: 1. "-y, --assumeyes", used without manual intervention Perform batch installation or update locally; 2. "-q, --quiet", only display necessary output information; 3. "-d, --downloadonly", only download the software package without installing it; 4. "-- nogpgcheck", allowing installation of unauthorized or unsigned packages
- Linux Operation and Maintenance 1427 2023-07-24 13:40:40
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- What is the use of the net directory in linux
- The "/sys/class/net" directory in Linux is a virtual file system directory used to manage and provide information about network interfaces. Its functions are: 1. By accessing the net directory, you can view and modify each network interface in the system. Relevant configuration information; 2. Provides real-time network interface status information, and can obtain statistical data about network interfaces; 3. The net directory allows management operations on network interfaces; 4. The information of virtual interfaces will be displayed in the directory, and you can Perform the same configuration and management operations on it as on a physical interface.
- Linux Operation and Maintenance 1693 2023-07-24 13:40:34
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- What is the folder uuid in linux?
- In Linux, UUID is not a folder, but a string used to uniquely identify a file system or device. Its functions are: 1. It can be used to specify the file system to be mounted without relying on the device file name. ; 2. Can uniquely identify and identify a file system, useful for setting up automatic mounts in the file system table or performing other tasks related to a specific file system; 3. Can be used to uniquely identify a hard drive or other storage device, useful for It is very important to select the correct disk when installing the system or performing backup and recovery operations.
- Linux Operation and Maintenance 3156 2023-07-24 13:40:28
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- What is the use of linux user groups?
- In Linux, a user group is a mechanism that brings together a group of users. It has the following functions: 1. Used to manage permissions on files and directories; 2. Used to share and manage system resources; 3. By grouping a group of users together Users are grouped into the same user group, which can simplify the management of users and permissions.
- Linux Operation and Maintenance 2025 2023-07-24 13:40:23
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- What does opt mean in linux?
- In Linux, "opt" is a commonly used directory name. It is the abbreviation of "optional" and represents the installation directory of optional software. Its uses are: 1. Used to store independent third-party software packages; 2. Store some large , complex or commercial software; 3. The directory structure is usually organized according to the name of the software package or vendor, and each software package has its own subdirectory.
- Linux Operation and Maintenance 5880 2023-07-24 13:39:59
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- What is a branch in linux
- Branching in Linux is an important concept in the version control system, which is used to develop multiple code versions or experimental features in parallel at the same time. Its functions are: 1. Allow team members to conduct independent development work in parallel in the same code base; 2. , Easily manage and record different code versions; 3. By conducting experiments or development in separate branches, risks can be isolated; 4. Branches make it easier to merge different code changes into the main branch; 5. Using branches Different testing tasks can be performed simultaneously.
- Linux Operation and Maintenance 2133 2023-07-24 13:39:53
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- What is the difference between linux commands rmdir and rm
- The difference between the Linux commands rmdir and rm is: 1. The "rmdir" command is used to delete empty directories, while the "rm" command is used to delete files and directories; 2. "rmdir" only needs to delete the records of the directory itself and does not need to be processed. files in a directory, whereas "rm" requires the recursive option to delete the directory and all of its contents, including the files and subdirectories within it.
- Linux Operation and Maintenance 1745 2023-07-24 13:39:48
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