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## Use specified pid
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You can use`jps`{{execute T2}} to check target pid。
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`java -jar arthas-boot.jar 1`{{execute T2}}
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## Allow external network access
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By default, the arthas server listens for the IP of `127.0.0.1`. If you want remote access, you can use the `--target-ip` option.
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`java -jar arthas-boot.jar --target-ip`{{execute T2}}
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## Specify listening port
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By default, the arthas server listens for the telnet port `3658`，http port `8563`，you can use `--telnet-port`，`--http-port` to specify.
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Only listens at the Telnet port and does not listen at the HTTP port:
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`java -jar arthas-boot.jar --telnet-port 9999 --http-port -1`{{execute T2}}
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## Specify tunnel server
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Use `--tunnel-server` parameter to specify.
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`java -jar arthas-boot.jar --tunnel-server 'ws://192.168.10.11:7777/ws'`{{execute T2}}
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If the tunnel server has registered with agent id，you can use `--agent-id` parameter to specify.
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`java -jar arthas-boot.jar --tunnel-server 'ws://192.168.10.11:7777/ws' --agent-id bvDOe8XbTM2pQWjF4cfw'`{{execute T2}}
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## Specify report stat url
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Use `--stat-url` parameter to specify.
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`java -jar arthas-boot.jar --stat-url 'http://192.168.10.11:8080/api/stat'`{{execute T2}}
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## List all versions
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`java -jar arthas-boot.jar --versions`{{execute T2}}
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Use the specified version:
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`java -jar arthas-boot.jar --use-version 3.1.0`{{execute T2}}
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## Print verbose information
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Use `-v` or `-verbose`:
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`java -jar arthas-boot.jar -v`{{execute T2}}
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## Specify command to execute and target pid
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Use `--command` or `-c` to specify command to execute and target pid, multiple commands separated by `;`.
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`java -jar arthas-boot.jar -c 'sysprop; thread' 1`{{execute T2}}
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## Specify batch file to execute and target pid
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Use `--batch-file` or `-f` to specify batch file to execute and target pid.
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`java -jar arthas-boot.jar -f batch.as 1`{{execute T2}}
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## select target process by classname or JARfilename
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Use `--select` to select target process by classname or JARfilename.
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`java -jar arthas-boot.jar --select arthas-demo`{{execute T2}}
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## Specify session timeout seconds
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Use `--session-timeout`parameter to specify，default value is 1800(30 min).
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`java -jar arthas-boot.jar --session-timeout 3600`{{execute T2}}
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## Attach target process only, do not connect
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`java -jar arthas-boot.jar --attach-only`{{execute T2}}
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## Use special maven repository mirror，Enforce use http
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`--repo-mirror` to use special maven repository mirror，value is `center/aliyun` or http repo url.
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`--use-http` to enforce use http to download, default use https
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`java -jar arthas-boot.jar --repo-mirror aliyun --use-http`{{execute T2}}
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## Specify arthas client terminal height and width
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`java -jar arthas-boot.jar --height 25 --width 80`{{execute T2}}
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## Specify arthas home
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`java -jar arthas-boot.jar --arthas-home .`{{execute T2}}
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## Start as a Java Agent
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Usually Arthas dynamic attach the applications on the fly, but from version 3.2.0 onwards, Arthas supports starting directly as a java agent.
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For example, download the full arthas zip package, decompress it and start it by specifying arthas-agent.jar with the parameter -javaagent.
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`java -javaagent:/tmp/test/arthas-agent.jar -jar arthas-demo.jar`
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The default configuration is in the arthas.properties file in the decompression directory.
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Reference: https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/package-summary.html
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