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Found a total of 10000 related content
Kibana Logstash Elasticsearch log query system, kibanalogstash

Article Introduction:Kibana Logstash Elasticsearch log query system, kibanalogstash. Kibana Logstash Elasticsearch log query system. The purpose of kibanalogstash to build this platform is to facilitate log query for operation, maintenance and research and development. Kibana is a free web shell;

2016-07-06 comment 0  1083

What impact does Debian log level setting have on the system

Article Introduction:The log level settings of the Debian system directly affect the system's operating efficiency, security and problem-solving capabilities. This article explains the Debian log level settings and their impact in detail. Log level Detailed explanation The log level determines the level of detailed information recorded by the system. The higher the level, the less information recorded, and vice versa. Common log levels (from low to high) include: emerg (emerg): system crashes and need to be handled immediately. alert: Serious problem, immediate action is required. crit: Critical error, affecting system functions. err(err): Error, but the system can still run. warning: potential problems that may lead to errors.

2025-04-02 comment 0  470

Streamline Your Logs: Exploring Rsyslog for Effective System Log Management on Ubuntu

Article Introduction:Introduction: Mastering Log Management with Ubuntu's Rsyslog Efficient log management is paramount for system administrators seeking to troubleshoot issues, monitor security, and maintain system stability. Ubuntu leverages the robust Rsyslog logging

2025-03-21 comment 0  868

How to configure Golang log level in Debian system

Article Introduction:To configure the log level of the Golang application on the Debian system, you need to follow the following steps: Select the log library: First, select the appropriate log library. The Go standard library's log packages are simple to use, while third-party libraries such as logrus and zap provide more powerful features and performance. Set log level: Set the corresponding log level according to the selected log library. The settings of different libraries vary. The log package using the standard library logGo standard library does not directly support the log level, but can be simulated by custom output formats. The following example demonstrates how to control output based on a preset level: packagemainimport("log""os"

2025-04-12 comment 0  738

Design a system for processing large log files.

Article Introduction:The article discusses designing a system for processing large log files using a multi-tiered architecture. Key issues include scalability, real-time processing, and security.(159 characters)

2025-03-31 comment 0  858

How to extract regular error message from Windows system XML log?

Article Introduction:When parsing Windows system XML logs to obtain general information, many programmers will encounter the need to extract from XML-format log files when processing Windows system logs...

2025-04-01 comment 0  311

How to Duplicate Python\'s sys.stdout to a Log File, Including System Call Output?

Article Introduction:Duplicating sys.stdout to a Log FileIn this programming conundrum, the goal is to duplicate all output from a Python application, including system...

2024-11-27 comment 0  510

How to integrate Golang log management tools in Debian system

Article Introduction:Integrate Go language log management tools on the Debian system. The steps are as follows: 1. Install the Go locale First, make sure that your Debian system has Go installed. If not installed, execute the following command: sudoaptupdatesudoaptinstallgolang-go Verification Installation: Goversion 2. Select logging tool Go language has a variety of logging tools, such as logrus, zap, zerolog, etc. This article takes logrus as an example. 3. Install logrus using goget command to install: gogetgithub.com/sirupsen/logrus IV. Configuration l

2025-04-12 comment 0  543

How Can I Monitor Log Files in Real-Time Using Go?

Article Introduction:Monitoring Log Files as They Update in GoIn the realm of system administration, tailing log files to monitor system activity in real-time is a...

2024-12-02 comment 0  664

How to troubleshoot CentOS MongoDB

Article Introduction:MongoDB troubleshooting guide for CentOS System This article provides a systematic step to help you effectively troubleshoot MongoDB database problems on CentOS system. Follow the steps below to make the diagnosis step by step and carefully check the results of each step. 1. Check the system log First, check whether there are error messages related to MongoDB in the system log: Use the journalctl-xe command to view the system log and filter the entries containing the keyword "mongodb". Check the MongoDB log file /var/log/mongodb/mongod.log directly, which usually contains detailed error information and operation records. 2. Check

2025-04-14 comment 0  386

How to solve CentOS system failure

Article Introduction:There are many ways to solve CentOS system failures. Here are some common steps and techniques: 1. Check the log file /var/log/messages: system log, which contains various system events. /var/log/secure: Security-related logs, such as SSH login attempts. /var/log/httpd/error_log: If you use the Apache server, there will be an error message here. 2. Use the diagnostic tool dmesg: display the contents of the kernel ring buffer, which helps understand hardware and driver questions

2025-04-14 comment 0  1089

What are the key information in the Debian logs that cannot be ignored

Article Introduction:The log files of the Debian system are valuable resources for system administrators and developers to diagnose problems and monitor the operating status of the system. This article will focus on some key log information that cannot be ignored. Core system logs (usually located in /var/log/syslog or /var/log/messages) These logs record the core activities of the system, including: system startup and shutdown events: log kernel version, hardware detection results, etc., to help track startup failures or shutdown exceptions. Hardware failure alerts: such as disk errors, memory problems, etc., to promptly detect potential hardware problems. Service status changes: Record the service start, stop and restart events to facilitate monitoring of the service's health. User login/logout history:

2025-04-02 comment 0  702

How to troubleshoot Debian syslog

Article Introduction:The Syslog service of the Debian system is responsible for recording and managing system logs and is an important tool for diagnosing system failures. By analyzing the logs, you can effectively troubleshoot hardware problems, software errors and security events. The following steps and commands will guide you how to use DebianSyslog for troubleshooting: 1. View the system log in real time to view the latest log: Use the tail-f/var/log/syslog command to monitor the real-time update of the system log, which is convenient for observing system events and error information. View kernel logs: Use the dmesg command to view the detailed log information of the kernel, which helps to discover problems with the underlying hardware or drivers. Use journalctl(systemd

2025-04-13 comment 0  514

How Can I Locate, Access, and Enable MySQL Log Files?

Article Introduction:Viewing Log Files in MySQLMySQL Server maintains a log file that records significant events, including queries and system activities. This article...

2024-12-04 comment 0  1196

How Can I Efficiently Tail Log Files in Python?

Article Introduction:Tailing Log Files in Python: A Modern ApproachIntroductionTailing log files is a common task in system administration. In Python, the ability to...

2024-11-11 comment 0  364

How Can I Duplicate Python\'s sys.stdout to a Log File in Both Interactive and Daemon Modes?

Article Introduction:Duplicating sys.stdout to a Log FileDuplicating sys.stdout to a log file allows you to capture all output, including system calls, from a Python...

2024-12-01 comment 0  869

How to prevent Debian Apache log security issues

Article Introduction: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

2025-04-13 comment 0  431

How Can I Simultaneously Display Program Output to the Console and Log It to a File?

Article Introduction:Teeing System Output to a Log FileIssue:How to simultaneously display output to the console while also logging it to a file, including system call...

2024-12-22 comment 0  317

How to implement the logging system in C?

Article Introduction:Implementing an efficient and flexible logging system in C can use the following steps: 1. Define log classes and process log information at different levels; 2. Use policy mode to achieve multi-objective output; 3. Ensure thread safety through mutex locks; 4. Use lock-free queues for performance optimization. This can build a log system that meets the needs of actual application.

2025-05-23 comment 0  498

How to Mock the File System in Go for Logging and In-Memory Operations?

Article Introduction:Understanding File System Mocking in GoQuestion: How can I mock or abstract the file system in Go to log file operations and potentially create an...

2024-12-02 comment 0  698

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