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In the new `Terminal 2`, download `arthas-boot.jar` and start with the `java -jar` command:
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`wget https://arthas.aliyun.com/arthas-boot.jar`{{execute T2}}
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`arthas-boot` is the launcher for `Arthas`. It lists all the Java processes, and the user can select the target process to be diagnosed.
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`arthas-boot.jar` supports many parameters and can be viewed by `java -jar arthas-boot.jar -h`{{execute T2}}.
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```bash
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$ java -jar arthas-boot.jar -h
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[INFO] arthas-boot version: 3.3.6
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Usage: arthas-boot [-h] [--target-ip <value>] [--telnet-port <value>]
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[--http-port <value>] [--session-timeout <value>] [--arthas-home <value>]
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[--use-version <value>] [--repo-mirror <value>] [--versions] [--use-http]
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[--attach-only] [-c <value>] [-f <value>] [--height <value>] [--width
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<value>] [-v] [--tunnel-server <value>] [--agent-id <value>] [--stat-url
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<value>] [--select <value>] [pid]
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Bootstrap Arthas
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EXAMPLES:
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java -jar arthas-boot.jar <pid>
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java -jar arthas-boot.jar --target-ip 0.0.0.0
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java -jar arthas-boot.jar --telnet-port 9999 --http-port -1
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java -jar arthas-boot.jar --tunnel-server 'ws://192.168.10.11:7777/ws'
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java -jar arthas-boot.jar --tunnel-server 'ws://192.168.10.11:7777/ws'
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--agent-id bvDOe8XbTM2pQWjF4cfw
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java -jar arthas-boot.jar --stat-url 'http://192.168.10.11:8080/api/stat'
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java -jar arthas-boot.jar -c 'sysprop; thread' <pid>
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java -jar arthas-boot.jar -f batch.as <pid>
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java -jar arthas-boot.jar --use-version 3.3.6
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java -jar arthas-boot.jar --versions
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java -jar arthas-boot.jar --select math-game
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java -jar arthas-boot.jar --session-timeout 3600
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java -jar arthas-boot.jar --attach-only
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java -jar arthas-boot.jar --repo-mirror aliyun --use-http
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WIKI:
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https://arthas.aliyun.com/doc
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Options and Arguments:
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-h,--help Print usage
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--target-ip <value> The target jvm listen ip, default 127.0.0.1
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--telnet-port <value> The target jvm listen telnet port, default 3658
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--http-port <value> The target jvm listen http port, default 8563
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--session-timeout <value> The session timeout seconds, default 1800
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(30min)
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--arthas-home <value> The arthas home
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--use-version <value> Use special version arthas
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--repo-mirror <value> Use special maven repository mirror, value is
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center/aliyun or http repo url.
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--versions List local and remote arthas versions
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--use-http Enforce use http to download, default use https
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--attach-only Attach target process only, do not connect
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-c,--command <value> Command to execute, multiple commands separated
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by ;
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-f,--batch-file <value> The batch file to execute
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--height <value> arthas-client terminal height
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--width <value> arthas-client terminal width
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-v,--verbose Verbose, print debug info.
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--tunnel-server <value> The tunnel server url
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--agent-id <value> The agent id register to tunnel server
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--stat-url <value> The report stat url
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--select <value> select target process by classname or
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JARfilename
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<pid> Target pid
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```
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