VisualVM: Monitoring Remote JVM Over SSH (JMX Or Not)
(Disclaimer: Based on personal experience and little research, the information might be incomplete.) VisualVM is a great tool for monitoring JVM (5.0+) regarding memory usage, threads, GC, MBeans etc. Let’s see how to use it over SSH to monitor (or even profile, using its sampler) a remote JVM either with JMX or without it. This post is based on Sun JVM 1.6 running on Ubuntu 10 and VisualVM 1.3.3.
VisualVM over ssh
I've read Visual VM remotely over ssh but I think I've not fully understood because it was not working for me :-( Please can someone give some example? ssh -D 9696 login@ip.of.external.machine and visualvm.exe -J-Dnetbeans.system_socks_proxy=localhost:9696 -J-Djava.net.useSystemProxies=true starts visualvm, but no processes of external machine are shown (only the local ones like visualvm itself).
VisualVM over Putty SSH-tunnel
I'm trying to profile remote java app, actually it is a gameserver. It works normally on my local machine (windows XP x64 with JDK1.7.0_02 x64), but behaves very wierd on the production server (CentOS with JDK1.7.0_03 i586). I've done a lot of searching and found out that I should use VisualVM for this task. So VisualVM works great on local machine, but there is no hangs on local machine, i need p
Tunnel VisualVM (JMX) over SSH | BowerStudios.com
You can tunnel VisualVM (JMX) over SSH with an SSH dynamic tunnel (This tutorial will work perfectly with Linux, not sure about MacOS. Windows users will need some Putty skills.) First, you will need to setup JMX for your application, this is outside the scope of this note, but you can find more info elsewhere on this site. Now, on your local machine, you are going to create a dynamic (application
SSH接続のコードをApache MINA sshdでテストする - GeekFactory
Apache MINA sshd（以下sshd）を使うとJavaVMだけでSSHサーバを実行できます。あらかじめ定義されているインタフェースを実装するだけで、認証やコマンド実行を受け付けることができます。 本稿では、SSH接続のコードをテストする場合にサーバサイドにsshdを使う方法を説明します。OpenSSHの環境を用意しなくてもSSHサーバを使ったテストが簡単に実行できます。ここではテストコードはGroovy + Spockで書いています。 準備編 sshdのライブラリをテストクラスパスに追加します。Gradleなら下記の依存関係を追加します。 dependencies { testCompile 'org.apache.sshd:sshd-core:0.9.0' } 次に、テストヘルパーを用意します。 具体的には、SSHサーバを起動するヘルパーメソッドを用意します。ローカルの空きポー
Implementing SSH in Java
- Java can be used to implement SSH. JSch is a Java library that implements the SSH-2 protocol, allowing shell, exec, scp, and port forwarding functionality in Java applications. - JSch was developed solely by JCraft, Inc. and has been included in Eclipse and NetBeans IDEs since around 2005 to enable secure communication over SSH. - It sees widespread use in Apache projects and other software incl
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Man-in-the-Middle Attack for SSH with Scala and JSch