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- How to customize the GitLab interface in Debian
- Customizing the GitLab interface in Debian can be done in the following ways: Change the interface language to Chinese and log in to GitLab and enter settings: Open the browser and access the URL of GitLab. Log in with your administrator account. Click on the user avatar in the upper right corner and select "Settings". Modify the user interface language: Find "Preferences" in the left navigation bar. Select "Chinese from the "UserInterface" drop-down menu
- Linux Operation and Maintenance 1025 2025-04-13 09:57:01
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- How to implement Debian Hadoop resource isolation
- Hadoop resource isolation is implemented on Debian mainly through **YARN's cgroups (controlgroups)* for resource management and isolation. The following is the specific implementation method: Overview of cgroups resource isolation: HadoopYARN uses cgroups for resource management and isolation. cgroups is a mechanism provided by the Linux kernel to limit, account, and isolate the resources of process groups (such as CPU, memory, disk I/O, etc.). Supported resources: CPU: Limit each container
- Linux Operation and Maintenance 598 2025-04-13 09:54:01
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- How to encrypt data using OpenSSL on Debian
- To encrypt data using OpenSSL on Debian, you can follow the following steps: 1. Install OpenSSL First, make sure that OpenSSL is already installed on your Debian system. If not installed, you can use the following command to install: sudoaptupdatesudoaptininstallopenssl2. Encrypted file The basic command format of encrypting files using OpenSSL is as follows: opensslenc-aes-256-cbc-salt-
- Linux Operation and Maintenance 732 2025-04-13 09:51:01
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- How to upgrade GitLab version of Debian system
- Upgrading the GitLab version on the Debian system can follow the following steps: Method 1: Use the upgrade script provided by GitLab to back up the data. Before any upgrade, please make sure that you back up all important data of GitLab, including repositories, configuration files and databases. Download the latest version of GitLab and visit the official GitLab website to find the latest version suitable for your system, and download the corresponding installation package. Stop GitLab service sudogitlab-ctlstopunicorn
- Linux Operation and Maintenance 1024 2025-04-13 09:48:01
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- GitLab log management in Debian
- Managing GitLab logs in Debian systems usually involves the following key steps and tools: Log file location GitLab's main log files are usually located in the /var/log/gitlab directory. Specifically, production.log records the main log information of the GitLabRails application, while production_json.log contains exception information in JSON format. Use the cat command to view the log: you can check it through the cat command
- Linux Operation and Maintenance 434 2025-04-13 09:45:01
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- How debian readdir integrates with other tools
- The readdir function in the Debian system is a system call used to read directory contents and is often used in C programming. This article will explain how to integrate readdir with other tools to enhance its functionality. Method 1: Combining C language program and pipeline First, write a C program to call the readdir function and output the result: #include#include#include#includeintmain(intargc,char*argv[]){DIR*dir;structdirent*entry;if(argc!=2){
- Linux Operation and Maintenance 1087 2025-04-13 09:42:06
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- Network configuration of GitLab in Debian
- When configuring GitLab in Debian, network configuration is an important step. Here are some key steps and configuration methods: Install and configure GitLab update system package: sudoapt-getupdate installation dependencies: sudoapt-getinstall-ycurlopenssh-serverca-certificatestzdataperl Add GitLab official repository: curlhttps://p
- Linux Operation and Maintenance 674 2025-04-13 09:39:01
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- How to set Tomcat log level under Debian
- This article describes how to adjust the log level of the Tomcat server in the Debian system. Tomcat's logging configuration file logging.properties needs to be modified to implement it. Steps: Open the configuration file: Use a text editor (such as nano or vim) to open the log configuration file of Tomcat. This file is usually located in /opt/tomcat/conf/logging.properties. Run commands with sudo permissions, for example: sudonano/opt/tomcat/conf/logging.properties Modify log level: find lines similar to the following:
- Linux Operation and Maintenance 431 2025-04-13 09:36:01
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- Where is the storage location of Debian Apache logs
- The default storage location of Apache server log files in Debian system: Access log: usually located in /var/log/apache2/access.log. Error log: Usually located in /var/log/apache2/error.log. It should be noted that the above path is the default configuration of Apache. You can change the storage location of the log file by modifying the Apache configuration file /etc/apache2/apache2.conf or related environment variables.
- Linux Operation and Maintenance 906 2025-04-13 09:33:02
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- How to monitor Tomcat log exceptions
- This article introduces several methods to monitor Tomcat log exceptions to help you discover and solve problems in a timely manner and ensure the stable operation of the application. 1. Using ELK stack to achieve centralized monitoring. It is recommended to use ELK (Elasticsearch, Logstash, Kibana) stack for efficient log monitoring. Data acquisition (Filebeat): Configure Filebeat to collect warning (WARN) and error (ERROR) levels in Tomcat log files (such as catalina.out). Logstash: Logstash preprocesses collected logs, such as filtering, parsing and conversion. Data storage
- Linux Operation and Maintenance 889 2025-04-13 09:30:01
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- What are the techniques for recycling Debian system
- This article introduces several effective ways to free up disk space in Debian systems. Be sure to back up important data before performing any actions. 1. Volume management: Check disk usage: Use vgs and pvs commands to check the usage of volume groups and physical volumes. Delete useless logical volumes: Use the lvremove command to delete logical volumes that are no longer needed. For example: sudolvremove/dev/mapper/debianOA--vg-lv_data (please replace it with the actual logical volume path). 2. Package management: Uninstall useless software: Use the apt-getautoremove command to automatically uninstall the no longer needed software packages and their
- Linux Operation and Maintenance 655 2025-04-13 09:27:01
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- How to prevent Debian Apache log security issues
- Strengthening the security of DebianApache server logs requires collaborative efforts from multiple aspects. The following strategies can effectively reduce security risks: 1. Log monitoring and analysis Automated log analysis: Use logcheck, logrotate and other tools to regularly check and analyze logs to promptly detect suspicious activities and potential attacks. Real-time monitoring system: Establish a log monitoring system, such as ELKStack (Elasticsearch, Logstash, Kibana), to realize real-time monitoring and analysis of log data. 2. Strict permission settings for log file permissions: Reasonably set log file permissions, such as using chmod640/var/log
- Linux Operation and Maintenance 329 2025-04-13 09:24:01
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- What are the request types in Nginx logs
- The Nginx server log records various client request information. This article will introduce in detail the common request types and related information in the Nginx log. 1. HTTP request method Nginx log records a variety of HTTP request methods, which are used to indicate the way clients interact with the server: GET: the most commonly used request method, which is used to obtain data from the server, such as web pages, pictures, CSS files, etc. Request parameters are usually included in the URL. POST: is used to submit data to the server, often used for form submission or file upload. Data is contained in the request body, not the URL. PUT: Used to upload files or update existing resources on the server. The data is also located in the request body. DEL
- Linux Operation and Maintenance 530 2025-04-13 09:21:01
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- How to recycle dependencies that no longer need
- This article describes how to clean up package dependencies that are no longer needed in the Debian system. Please be careful and it is recommended to back up important data. Step 1: Update the package list First, update your package list to make sure the information is up to date: sudoaptupdate Step 2: Identify useless dependencies Use the apt-rdepends command to find which packages depend on the package you want to delete (for example package_name): apt-rdependspackage_name|grep-v"^"|sort-u This command lists all packages that depend on package_name, but does not include package_name
- Linux Operation and Maintenance 364 2025-04-13 09:18:02
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- How to configure Debian Apache log rotation
- This article introduces how to configure Apache log rotation in the Debian system, mainly using the logrotate tool. Step 1: Verify whether logrotate is installed. Check with the following command: logrotate--version If not installed, execute: sudoapt-getupdatesudoapt-getinstalllogrotateStep 2: Locate the Apache log rotation configuration file. The configuration file is usually located in the /etc/logrotate.d/ directory. The file name may be apache2 or httpd. Use the following command to find: ls/etc/logrot
- Linux Operation and Maintenance 535 2025-04-13 09:15:01
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