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How to connect jndi to database

The database can be connected through JNDI (Java Naming and Directory Interface). Specific steps include: Obtaining the JNDI context Searching for the data source Obtaining the database connection Executing the SQL query Processing the result set Closing the connection

Apr 19, 2024 am 10:37 AM

java api

What are the main functions of Nagios?

Nagios Features: Network Monitoring: Detects server, device and application availability. System Monitoring: Monitor CPU/memory usage, disk space, and network performance. Application Monitoring: Detect external application and service failures. Log monitoring: Analyze logs for errors and security events. Incident Management: Aggregate alerts, classify incidents based on severity and perform response actions. Troubleshooting and Diagnostics: Provides detailed data for troubleshooting. Extensibility and customization: Modular architecture allows for the addition of plugins and add-ons, and supports custom scripts.

Apr 18, 2024 pm 05:42 PM

日志监控

Advantages and disadvantages of nagios and zabbix

Nagios and Zabbix are the leaders in monitoring. Nagios is suitable for small to medium-sized environments and offers a high degree of customizability, while Zabbix is suitable for large-scale monitoring and offers rich functionality and ease of use. The choice depends on factors such as size, feature requirements, customizability, price, and user-friendliness.

Apr 18, 2024 pm 05:36 PM

How to solve ssl authentication failure

Solutions for SSL certification failure include: checking certificates, updating browsers, clearing cache, disabling security software, checking system time, adjusting server configuration, and contacting professionals.

Apr 18, 2024 pm 05:21 PM

What does ssl certification mean?

SSL certification is a security protocol used to establish encrypted network connections. It can protect data confidentiality, verify website identity, prevent network threats, enhance user trust, and improve search engine rankings.

Apr 18, 2024 pm 05:15 PM

加密通信安全传输

What are the common network devices?

Common network devices include: Routers: connect different networks and forward data packets. Switch: Connects devices on the same network and forwards data efficiently. Bridge: Connects multiple LAN segments, allowing communication. Modem: Connects your computer to the Internet or other networks. Hub: Connect devices through broadcasting. Firewall: Monitor data traffic and block unauthorized access. Network card: The physical connection interface between the computer and the network.

Apr 18, 2024 pm 05:12 PM

子网

What are the wireless network devices?

Wireless networking devices are electronic devices used to create and connect wireless networks to transmit data without a wired connection. Common devices include: 1. Wireless router: a central device that converts wired connections into wireless signals; 2. Wireless access points: provides wireless connections but does not provide routing services; 3. Wi-Fi adapters: allows devices to connect to wireless networks ; 4. Wi-Fi Repeater: Amplifies and retransmits wireless signals, extending network coverage; 5. Wi-Fi Hotspot: Public wireless access point, allowing devices to connect to the Internet; 6. Wi-Fi Extender: Through Wired connections extend network coverage; 7. Bluetooth devices: used for short-distance communication, such as headphones and speakers.

Apr 18, 2024 pm 05:09 PM

What are computer network equipment

Computer network devices are: Routers: determine the transmission path of data packets Switch: transmit data in the same network Bridge: connect different types of networks Modem: convert digital signals into analog signals Gateway: connect different network protocols Firewall: protect the network from unauthorized access Hub: Connect multiple devices Wireless access point: Create a wireless network Load balancer: Spread network traffic

Apr 18, 2024 pm 05:06 PM

What are the home network devices?

Home network equipment consists of: Router: The core of the network, which distributes Internet traffic. Modem/Fiber Modem: Converts the ISP signal to router format. Ethernet switch: Connect multiple wired devices to provide stable connections. Wi-Fi extender: Boosts your router’s signal range. Network access points: Create separate Wi-Fi networks for specific areas. Powerline Adapter: Transmits your internet connection over a wire. NAS (Network Attached Storage): Centralized storage of files and data.

Apr 18, 2024 pm 05:03 PM

What process is system?

system is the first user space process in the Linux operating system, with process number 1. It is responsible for initializing the system, starting other processes, and providing the following functions: initializing hardware devices, mounting file systems, starting login services, and running other necessary system services.

Apr 18, 2024 pm 04:30 PM

linux linux操作系统

The journey to building large-scale language models in 2024

2024 will see a technological leap forward in large language models (LLMs), as researchers and engineers continue to push the boundaries of natural language processing. These parameter-rich LLMs are revolutionizing how we interact with machines, enabling more natural conversations, code generation, and complex reasoning. However, building these behemoths is no easy task, involving the complexity of data preparation, advanced training techniques, and scalable inference. This review delves into the technical details required to build LLMs, covering recent advances from data sourcing to training innovations and alignment strategies.

Apr 18, 2024 pm 03:04 PM

语言模型 git 内存占用

Growing Success: How to Strategically Retire Products in the Digital Age

As the wave of digitalization sweeps through product markets, innovation happens at lightning speed. Product managers drive growth by relentlessly pursuing innovation, launching new products, and capturing new markets. What happens when a job is no longer engaging or exciting, such as retiring a product? How to motivate the team to take on the mission of retiring the product gracefully? This article will explore the key steps and considerations for product managers when bidding farewell to a product, providing a comprehensive guide to the sunset journey.

Apr 18, 2024 pm 02:56 PM

迅雷

What does free space mean?

Free space is the unused available space in your storage device. Its role includes ensuring that the system operates properly, storing new data, improving performance and preventing data loss. Managing free space is important and tips include regular cleaning, using disk cleanup tools, optimizing storage, using partition management tools and monitoring storage usage.

Apr 17, 2024 pm 05:42 PM

macos 数据丢失

IP Geolocation Myths and Facts

IP geolocation is a technology used to obtain geographical location information, such as country, city, longitude and latitude, etc., by accessing the IP address of a device. This technology is widely used in areas such as website content customization, ad targeting, network security, and user analysis. It works by querying large databases containing IP addresses and geolocation mappings, but there are some pitfalls around accuracy, personal privacy and cost. Understanding these myths is critical for developers and users to make informed decisions when using IP geolocation.

Apr 17, 2024 pm 02:24 PM

ip 地理定位移动应用程序地理位置