FAQ about Logtail - Simple Log Service - Alibaba Cloud Documentation Center

This topic provides answers to some frequently asked questions (FAQ) about Logtail.

Category		References
Terms		FAQ about Logtail What are the differences among log collection agents?
Heartbeat detection		How do I troubleshoot the errors that are related to Logtail machine groups?
Data collection	Common scenarios	Query local collection status How do I view Logtail collection errors? What do I do if errors occur when I use Logtail to collect logs? How do I troubleshoot the common errors that may occur when Simple Log Service collects logs? What do I do if I want to use multiple Logtail configurations to collect logs from a log file?
	Container scenarios	What do I do if an error occurs when I use Logtail to collect logs from containers?
Deployment and control	Common scenarios	What do I do if the IP address is empty in the app_info.json file of Logtail? How do I update a Logtail configuration after I switch the network type of an ECS instance from the classic network to a VPC? How do I collect logs from servers in a corporate intranet? How do I use the automatic diagnostic tool of Logtail?
	Windows server scenarios	What do I do if error messages appear after I install Logtail on a Windows ECS instance?
	Container scenarios	How do I collect container logs from Kubernetes clusters?
Log formats and parsing		How do I debug a regular expression? How do I optimize regular expressions? How do I collect different types of logs in full regex mode?
Error codes		How do I troubleshoot the common errors that may occur when Simple Log Service collects logs?