文章目录
- 二、命令列表
- 2.1 jvm相关命令
- 2.1.5 sysenv（查看JVM的环境变量）
- 举例1：sysenv 查看所有环境变量
- 举例2：sysenv java.version 查看单个属性，支持通过tab补全
二、命令列表
2.1 jvm相关命令
2.1.5 sysenv（查看JVM的环境变量）
参数说明：
| 命令 | 说明 |
|---|---|
| sysenv | 查看所有环境变量 |
| sysenv java.version | 查看单个属性，支持通过tab补全 |
举例1：sysenv 查看所有环境变量
基础语法：
sysenv
[arthas@18139]$ sysenvKEY VALUE
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PATH /usr/local/mysql/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/local/fping/sbin:/home/ems/3rdparty/xtrabackup/bin:/home/ems/3rdparty/qpress:/home/ems/3rdparty/pigz:/root/b in HISTCONTROL ignoredups MONIT_SERVICE ems_eam_process LOADEDMODULES XDG_DATA_DIRS /root/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share MONIT_PROCESS_PID -1 HISTSIZE 400000 MONIT_PROCESS_CHILDREN -1 MODULEPATH /usr/share/Modules/modulefiles:/etc/modulefiles TERM xterm XFILESEARCHPATH /usr/dt/app-defaults/%L/Dt MONIT_EVENT Started LANG zh_CN.UTF-8 XDG_SESSION_ID 38143 MONIT_DESCRIPTION Started MAIL /var/spool/mail/root TMOUT 3600 LOGNAME root PROMPT_COMMAND history -a PWD /home/ems/ems_eam HISTTIMEFORMAT %F %T root _ /usr/bin/nohup LESSOPEN ||/usr/bin/lesspipe.sh %s SHELL /bin/bash SSH_TTY /dev/pts/0 SSH_CLIENT 10.110.25.53 8685 22 OLDPWD / USER root SSH_CONNECTION 10.110.25.53 8685 20.150.12.100 22 HOSTNAME localhost.localdomain MODULESHOME /usr/share/Modules NLSPATH /usr/dt/lib/nls/msg/%L/%N.cat BASH_FUNC_module() () { eval `/usr/bin/modulecmd bash $*` } MONIT_PROCESS_CPU_PERCENT -1.0 MONIT_HOST localhost.localdomain XDG_RUNTIME_DIR /run/user/0 LS_COLORS rs=0:di=01;MONIT_PROCESS_MEMORY 0 HOME /root SHLVL 3 MONIT_DATE Thu, 12 Sep 2024 09:54:18
[arthas@18139]$
举例2：sysenv java.version 查看单个属性，支持通过tab补全
基础语法：
sysenv java.version
[arthas@18139]$ sysenv java.versionKEY VALUE
-------------------------------------------------------------------------------------------------------------------------------java.version null
[arthas@18139]$