In docker, you can use the "--tail" parameter of the logs command to display the last few lines of logs. The logs command is used to obtain the logs of the container. The "--tail" parameter is used to set only the latest lines to be listed. Several container logs, the syntax is "docker logs --tail=number of lines".
The operating environment of this tutorial: linux7.3 system, docker-1.13.1 version, Dell G3 computer.
docker logs: Get the log of the container
Syntax
docker logs [OPTIONS] CONTAINER
OPTIONS description:
-f: Trace log output
--since: Display all logs at a certain start time
-t: Display timestamp
--tail: List only The latest N container logs
Instance
Trace and view the log output of the container mynginx.
runoob@runoob:~$ docker logs -f mynginx 192.168.239.1 - - [10/Jul/2016:16:53:33 +0000] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36" "-" 2016/07/10 16:53:33 [error] 5#5: *1 open() "/usr/share/nginx/html/favicon.ico" failed (2: No such file or directory), client: 192.168.239.1, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "192.168.239.130", referrer: "http://192.168.239.130/" 192.168.239.1 - - [10/Jul/2016:16:53:33 +0000] "GET /favicon.ico HTTP/1.1" 404 571 "http://192.168.239.130/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36" "-" 192.168.239.1 - - [10/Jul/2016:16:53:59 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36" "-" ...
View the latest 10 logs of the container mynginx from July 1, 2016.
docker logs --since="2016-07-01" --tail=10 mynginx
Recommended learning: "docker video tutorial"
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