ubuntu运行shell文件时出现初始化失败

Question

root@DESKTOP-AOBC2U6:/home/lpp/mld_scripts# ./test.sh
错误提示如下：
application-specific initialization failed: no display name and no $DISPLAY environment variable
Loading external megawidget libraries:

     BWidget 1.6
Error in startup script: no display name and no $DISPLAY environment variable
    while executing
"load /usr/lib/x86_64-linux-gnu/libtk8.6.so Tk"
    ("package ifneeded Tk 8.6.10" script)
    invoked from within
"package require Tk 8.1.1"
    ("package ifneeded BWidget 1.9.14" script)
    invoked from within
"package require BWidget 1.6"
    (file "/usr/share/ferret/ferret.tcl" line 882)
    invoked from within
"source /usr/share/ferret/ferret.tcl"
    (file "/usr/bin/ferret" line 2)

求助

Answer 1

$DISPLAY 这个环境变量没有被设置。

你需要了解一下当前这个脚本运行的前置设置。比如需要export DISPAY=xxxx 之类