2022-07-15 22:37:32 +08:00
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# sysenv
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2018-11-28 19:04:14 +08:00
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2020-08-07 18:28:00 +08:00
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[`sysenv`在线教程](https://arthas.aliyun.com/doc/arthas-tutorials.html?language=cn&id=command-sysenv)
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2020-07-21 20:34:41 +08:00
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2022-07-15 22:37:32 +08:00
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::: tip
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查看当前 JVM 的环境属性(`System Environment Variables`)
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:::
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2018-11-28 19:04:14 +08:00
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### 使用参考
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```
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USAGE:
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sysenv [-h] [env-name]
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SUMMARY:
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Display the system env.
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EXAMPLES:
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sysenv
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sysenv USER
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WIKI:
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2020-08-10 19:22:28 +08:00
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https://arthas.aliyun.com/doc/sysenv
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2018-11-28 19:04:14 +08:00
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OPTIONS:
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-h, --help this help
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<env-name> env name
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2022-07-15 22:37:32 +08:00
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```
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2018-11-28 19:04:14 +08:00
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#### 查看所有环境变量
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```
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$ sysenv
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KEY VALUE
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----------------------------------------------------------------------------------------------------------------------------
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PATH /Users/admin/.sdkman/candidates/visualvm/current/bin:/Users/admin/.sdkman/candidates/ja
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va/current/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/Wireshark.app/Contents/
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MacOS
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SDKMAN_VERSION 5.7.3+337
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JAVA_HOME /Users/admin/.sdkman/candidates/java/current
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JAVA_MAIN_CLASS_65244 demo.MathGame
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TERM xterm-256color
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LANG zh_CN.UTF-8
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AUTOJUMP_SOURCED 1
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COLORTERM truecolor
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LOGNAME admin
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XPC_SERVICE_NAME 0
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PWD /Users/admin/code/ali/arthas/demo
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TERM_PROGRAM_VERSION 3.2.5
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_ /Users/admin/.sdkman/candidates/java/current/bin/java
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SHELL /bin/bash
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TERM_PROGRAM iTerm.app
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SDKMAN_PLATFORM Darwin
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USER admin
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ITERM_PROFILE Default
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TMPDIR /var/folders/0r/k561bkk917gg972stqclbz9h0000gn/T/
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XPC_FLAGS 0x0
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TERM_SESSION_ID w0t4p0:60BC264D-9649-42AC-A7E4-AF85B69F93F8
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__CF_USER_TEXT_ENCODING 0x1F5:0x19:0x34
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Apple_PubSub_Socket_Ren /private/tmp/com.apple.launchd.DwmmjSQsll/Render
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der
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COLORFGBG 7;0
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HOME /Users/admin
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SHLVL 1
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AUTOJUMP_ERROR_PATH /Users/admin/Library/autojump/errors.log
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```
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#### 查看单个环境变量
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2022-07-15 22:37:32 +08:00
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::: tip
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支持通过`TAB`键自动补全
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:::
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2018-11-28 19:04:14 +08:00
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```
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$ sysenv USER
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USER=admin
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```
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