<!DOCTYPE html>
<!-- [if IE 8]><html class="no - js lt - ie9" lang="en" > <![endif] -->
<!-- [if gt IE 8]><! --> < html class = "no-js" lang = "en" > <!-- <![endif] -->
< head >
< meta charset = "utf-8" >
< meta name = "viewport" content = "width=device-width, initial-scale=1.0" >
< title > sysprop — Arthas 3.1.4 documentation< / title >
< link rel = "shortcut icon" href = "_static/favicon.ico" / >
< script type = "text/javascript" src = "_static/js/modernizr.min.js" > < / script >
< script type = "text/javascript" id = "documentation_options" data-url_root = "./" src = "_static/documentation_options.js" > < / script >
< script type = "text/javascript" src = "_static/jquery.js" > < / script >
< script type = "text/javascript" src = "_static/underscore.js" > < / script >
< script type = "text/javascript" src = "_static/doctools.js" > < / script >
< script type = "text/javascript" src = "_static/language_data.js" > < / script >
< script type = "text/javascript" src = "_static/js/theme.js" > < / script >
< link rel = "stylesheet" href = "_static/css/theme.css" type = "text/css" / >
< link rel = "stylesheet" href = "_static/pygments.css" type = "text/css" / >
< link rel = "stylesheet" href = "_static/overrides.css" type = "text/css" / >
< link rel = "index" title = "Index" href = "genindex.html" / >
< link rel = "search" title = "Search" href = "search.html" / >
< link rel = "next" title = "sysenv" href = "sysenv.html" / >
< link rel = "prev" title = "jvm" href = "jvm.html" / >
< script src = "_static/center_page.js" > < / script >
< link rel = "stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/styles/github.min.css" >
< / head >
< body class = "wy-body-for-nav" >
< div class = "wy-grid-for-nav" >
< nav data-toggle = "wy-nav-shift" class = "wy-nav-side" >
< div class = "wy-side-scroll" >
< div class = "wy-side-nav-search" >
< a href = "index.html" class = "icon icon-home" > Arthas
< / a >
< div class = "version" >
3.1.4
< / div >
< div role = "search" >
< form id = "rtd-search-form" class = "wy-form" action = "search.html" method = "get" >
< input type = "text" name = "q" placeholder = "Search docs" / >
< input type = "hidden" name = "check_keywords" value = "yes" / >
< input type = "hidden" name = "area" value = "default" / >
< / form >
< / div >
< / div >
< div class = "wy-menu wy-menu-vertical" data-spy = "affix" role = "navigation" aria-label = "main navigation" >
< ul class = "current" >
< li class = "toctree-l1" > < a class = "reference external" href = "https://alibaba.github.io/arthas/arthas-tutorials?language=en" > Online tutorials(Recommend)< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "install-detail.html" > Installation< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "download.html" > Download< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "quick-start.html" > Quick start< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "advanced-use.html" > Advanced usage< / a > < / li >
< li class = "toctree-l1 current" > < a class = "reference internal" href = "commands.html" > Commands< / a > < ul class = "current" >
< li class = "toctree-l2" > < a class = "reference internal" href = "dashboard.html" > dashboard< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "thread.html" > thread< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "jvm.html" > jvm< / a > < / li >
< li class = "toctree-l2 current" > < a class = "current reference internal" href = "#" > sysprop< / a > < ul >
< li class = "toctree-l3" > < a class = "reference internal" href = "#usage" > Usage< / a > < ul >
< li class = "toctree-l4" > < a class = "reference internal" href = "#check-all-properties" > Check all properties< / a > < / li >
< li class = "toctree-l4" > < a class = "reference internal" href = "#check-one-single-property" > Check One Single Property< / a > < / li >
< li class = "toctree-l4" > < a class = "reference internal" href = "#modify-single-property" > Modify Single Property< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "sysenv.html" > sysenv< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "vmoption.html" > vmoption< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "logger.html" > logger< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "mbean.html" > mbean< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "getstatic.html" > getstatic< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "ognl.html" > ognl< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "sc.html" > sc< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "sm.html" > sm< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "dump.html" > dump< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "heapdump.html" > heapdump< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "jad.html" > jad< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "classloader.html" > classloader< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "mc.html" > mc< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "redefine.html" > redefine< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "monitor.html" > monitor< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "watch.html" > watch< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "trace.html" > trace< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "stack.html" > stack< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "tt.html" > tt< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "cat.html" > cat< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "pwd.html" > pwd< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "options.html" > options< / a > < / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "commands.html#basic-arthas-commands" > Basic Arthas Commands< / a > < / li >
< / ul >
< / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "web-console.html" > WebConsole< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "docker.html" > Docker< / a > < / li >
< li class = "toctree-l1" > < a class = "reference external" href = "https://github.com/alibaba/arthas/issues?q=label%3Auser-case" > User cases< / a > < / li >
< li class = "toctree-l1" > < a class = "reference external" href = "https://github.com/alibaba/arthas/issues?q=label%3Aquestion-answered" > Questions and answers< / a > < / li >
< li class = "toctree-l1" > < a class = "reference external" href = "https://github.com/alibaba/arthas" > Fork me at GitHub< / a > < / li >
< li class = "toctree-l1" > < a class = "reference external" href = "https://github.com/alibaba/arthas/blob/master/CONTRIBUTING" > Compile and debug/CONTRIBUTING< / a > < / li >
< li class = "toctree-l1" > < a class = "reference external" href = "https://github.com/alibaba/arthas/releases" > Release Notes< / a > < / li >
< / ul >
< / div >
< / div >
< / nav >
< section data-toggle = "wy-nav-shift" class = "wy-nav-content-wrap" >
< nav class = "wy-nav-top" aria-label = "top navigation" >
< i data-toggle = "wy-nav-top" class = "fa fa-bars" > < / i >
< a href = "index.html" > Arthas< / a >
< / nav >
< div class = "wy-nav-content" >
< div class = "rst-content" >
< div role = "navigation" aria-label = "breadcrumbs navigation" >
< ul class = "wy-breadcrumbs" >
< li > < a href = "index.html" > Docs< / a > » < / li >
< li > < a href = "commands.html" > All Commands< / a > » < / li >
< li > sysprop< / li >
< li class = "wy-breadcrumbs-aside" >
< a href = "https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/en/sysprop.md" class = "fa fa-github" > Edit on GitHub< / a >
< / li >
< / ul >
< hr / >
< / div >
< div role = "main" class = "document" itemscope = "itemscope" itemtype = "http://schema.org/Article" >
< div itemprop = "articleBody" >
< div class = "section" id = "sysprop" >
< h1 > sysprop< a class = "headerlink" href = "#sysprop" title = "Permalink to this headline" > ¶< / a > < / h1 >
< blockquote >
< div > < p > Examine the system properties from the target JVM< / p >
< / div > < / blockquote >
< div class = "section" id = "usage" >
< h2 > Usage< a class = "headerlink" href = "#usage" title = "Permalink to this headline" > ¶< / a > < / h2 >
< div class = "highlight-default notranslate" > < pre class = "literal-block" > USAGE:
sysprop [-h] [property-name] [property-value]
SUMMARY:
Display, and change all the system properties.
EXAMPLES:
sysprop
sysprop file.encoding
sysprop production.mode true
WIKI:
https://alibaba.github.io/arthas/sysprop
OPTIONS:
-h, --help this help
< property-name> property name
< property-value> property value< / pre >
< / div >
< div class = "section" id = "check-all-properties" >
< h3 > Check all properties< a class = "headerlink" href = "#check-all-properties" title = "Permalink to this headline" > ¶< / a > < / h3 >
< div class = "highlight-default notranslate" > < pre class = "literal-block" > $ sysprop
KEY VALUE
-------------------------------------------------------------------------------------------------------------------------------------
java.runtime.name Java(TM) SE Runtime Environment
sun.boot.library.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib
java.vm.version 25.51-b03
user.country.format CN
gopherProxySet false
java.vm.vendor Oracle Corporation
java.vendor.url http://java.oracle.com/
path.separator :
java.vm.name Java HotSpot(TM) 64-Bit Server VM
file.encoding.pkg sun.io
user.country US
sun.java.launcher SUN_STANDARD
sun.os.patch.level unknown
java.vm.specification.name Java Virtual Machine Specification
user.dir /private/var/tmp
java.runtime.version 1.8.0_51-b16
java.awt.graphicsenv sun.awt.CGraphicsEnvironment
java.endorsed.dirs /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/endors
ed
os.arch x86_64
java.io.tmpdir /var/folders/2c/tbxwzs4s4sbcvh7frbcc7n000000gn/T/
line.separator
java.vm.specification.vendor Oracle Corporation
os.name Mac OS X
sun.jnu.encoding UTF-8
java.library.path /Users/wangtao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Libra
ry/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
sun.nio.ch.bugLevel
java.specification.name Java Platform API Specification
java.class.version 52.0
sun.management.compiler HotSpot 64-Bit Tiered Compilers
os.version 10.12.6
user.home /Users/wangtao
user.timezone Asia/Shanghai
java.awt.printerjob sun.lwawt.macosx.CPrinterJob
file.encoding UTF-8
java.specification.version 1.8
user.name wangtao
java.class.path .
java.vm.specification.version 1.8
sun.arch.data.model 64
java.home /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre
sun.java.command Test
java.specification.vendor Oracle Corporation
user.language en
awt.toolkit sun.lwawt.macosx.LWCToolkit
java.vm.info mixed mode
java.version 1.8.0_51
java.ext.dirs /Users/wangtao/Library/Java/Extensions:/Library/Java/JavaVirtualMachines/jdk1.
8.0_51.jdk/Contents/Home/jre/lib/ext:/Library/Java/Extensions:/Network/Library
/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java
sun.boot.class.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/resour
ces.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/li
b/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/l
ib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/H
ome/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Content
s/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Conte
nts/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jd
k/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.
jdk/Contents/Home/jre/classes
java.vendor Oracle Corporation
file.separator /
java.vendor.url.bug http://bugreport.sun.com/bugreport/
sun.cpu.endian little
sun.io.unicode.encoding UnicodeBig
sun.cpu.isalist< / pre >
< / div >
< / div >
< div class = "section" id = "check-one-single-property" >
< h3 > Check One Single Property< a class = "headerlink" href = "#check-one-single-property" title = "Permalink to this headline" > ¶< / a > < / h3 >
< blockquote >
< div > < p > Use < code class = "docutils literal notranslate" > < span class = "pre" > tab< / span > < / code > for auto-completion< / p >
< / div > < / blockquote >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > $ sysprop java.version
java.version=1.8.0_51< / pre > < / div >
< / div >
< / div >
< div class = "section" id = "modify-single-property" >
< h3 > Modify Single Property< a class = "headerlink" href = "#modify-single-property" title = "Permalink to this headline" > ¶< / a > < / h3 >
< div class = "highlight-default notranslate" > < pre class = "literal-block" > $ sysprop user.country
user.country=US
$ sysprop user.country CN
Successfully changed the system property.
user.country=CN< / pre >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< footer >
< div class = "rst-footer-buttons" role = "navigation" aria-label = "footer navigation" >
< a href = "sysenv.html" class = "btn btn-neutral float-right" title = "sysenv" accesskey = "n" rel = "next" > Next < span class = "fa fa-arrow-circle-right" > < / span > < / a >
< a href = "jvm.html" class = "btn btn-neutral float-left" title = "jvm" accesskey = "p" rel = "prev" > < span class = "fa fa-arrow-circle-left" > < / span > Previous< / a >
< / div >
< hr / >
< div role = "contentinfo" >
< p >
© Copyright 2018-2019, Alibaba Middleware Group, and contributors
< / p >
< / div >
Built with < a href = "http://sphinx-doc.org/" > Sphinx< / a > using a < a href = "https://github.com/rtfd/sphinx_rtd_theme" > theme< / a > provided by < a href = "https://readthedocs.org" > Read the Docs< / a > .
< / footer >
< / div >
< / div >
< / section >
< / div >
< script type = "text/javascript" >
jQuery(function () {
SphinxRtdTheme.Navigation.enable(true);
});
< / script >
< div class = "github-fork-ribbon-wrapper right" >
< div class = "github-fork-ribbon" >
< a href = "https://github.com/alibaba/arthas" target = "_blank" > Fork me at GitHub< / a >
< / div >
< / div >
< script type = "text/javascript" src = "_static/add_badges.js" > < / script >
< script src = "https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/highlight.min.js" > < / script >
< script src = "https://cdnjs.cloudflare.com/ajax/libs/highlightjs-line-numbers.js/2.5.0/highlightjs-line-numbers.min.js" > < / script >
< script >
document.querySelectorAll('div.hljs > pre').forEach(function(block) {
hljs.highlightBlock(block);
hljs.lineNumbersBlock(block);
});
< / script >
< script >
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?d5c5e25b100f0eb51a4c35c8a86ea9b4";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
< / script >
< / body >
< / html >
