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Manually Install Arthas
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===================
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## Manually Install Arthas
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1. Download the latest version
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**Latest version, Click To Download**: [](http://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=com.taobao.arthas&a=arthas-packaging&e=zip&c=bin&v=LATEST)
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If the download speed is slow, try to use [Ali cloud mirror repository](https://maven.aliyun.com/), for example, to download version `3.x.x` (you can replace `3.x.x` in the example URL if you want to download other version), the download URL is: https://maven.aliyun.com/repository/public/com/taobao/arthas/arthas-packaging/3.x.x/arthas-packaging-3.x.x-bin.zip
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2. Unzip zip file
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```bash
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unzip arthas-packaging-bin.zip
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```
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3. Install Arthas
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It is recommended to completely remove all old versions of Arthas before installation.
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```bash
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sudo su admin
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rm -rf /home/admin/.arthas/lib/* # remove all the leftover of the old outdated Arthas
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cd arthas
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./install-local.sh # switch the user based on the owner of the target Java process.
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```
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4. Start Arthas
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Make sure `stop` the old Arthas server before start.
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```bash
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./as.sh
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```
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## Startup with as.sh/as.bat
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### Linux/Unix/Mac
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You can install Arthas with one single line command on Linux, Unix, and Mac. Pls. copy the following command and paste it into the command line, then press *Enter* to run:
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```bash
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curl -L https://alibaba.github.io/arthas/install.sh | sh
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```
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The command above will download the bootstrap script `as.sh` to the current directory. You can move it the any other place you want, or put its location in `$PATH`.
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You can enter its interactive interface by executing `as.sh`, or execute `as.sh -h` for more help information.
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### Windows
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Latest Version, Click To Download: [](http://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=com.taobao.arthas&a=arthas-packaging&e=zip&c=bin&v=LATEST)
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Download and unzip, then find `as.bat` from 'bin' directory. For now this script will only take one argument `pid`, which means you can only diagnose the local Java process. (Welcome any bat script expert to make it better :heart:)
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```bash
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as.bat <pid>
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```
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If you want to diagnose Java process run as windows service, try these commands:
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```bash
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as-service.bat -port <port>
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as-service.bat -pid <pid>
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as-service.bat -pid <pid> --interact
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```
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Use this command to remove arthas service:
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```bash
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as-service.bat -remove
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```
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## Manual command line startup
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If you fail to boot Arthas with the provided batch file, you could try to assemble the bootstrap command in the following way.
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1. Locate java in the target JVM:
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- Linux/Unix/Mac: `ps aux | grep java`
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- Windows: open the Process Monitor to search java
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2. Assemble bootstrap command:
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Let's suppose we are using `/opt/jdk1.8/bin/java`, then the command should be:
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```bash
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/opt/jdk1.8/bin/java -Xbootclasspath/a:/opt/jdk1.8/lib/tools.jar \
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-jar /tmp/arthas-packaging/arthas-core.jar \
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-pid 15146 \
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-target-ip 127.0.0.1 -telnet-port 3658 -http-port 8563 \
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-core /tmp/arthas-packaging/arthas-core.jar \
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-agent /tmp/arthas-packaging/arthas/arthas-agent.jar
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```
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Note:
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* `-Xbootclasspath` adds tools.jar
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* `-jar /tmp/arthas-packaging/arthas-core.jar` specifies main entry
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* `-pid 15146` specifies the target java process PID
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* `-target-ip 127.0.0.1` specifies the IP
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* `-telnet-port 3658 -http-port 8563` specifies telnet and HTTP ports for remote access
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* `-core /tmp/arthas-packaging/arthas-core.jar -agent /tmp/arthas-packaging/arthas/arthas-agent.jar` specifies core/agent jar package
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If you are running on JDK 1.9 or above，then it's unnecessary to add `tools.jar` in option `-Xbootclasspath`.
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You can find the logs from `~/logs/arthas/arthas.log`.
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3. Use telnet to connect once attaching to the target JVM (in step 2) succeeds
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```bash
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telnet 127.0.0.1 3658
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```
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