Problem with cssh

Brandon Allbery allbery.b at
Sun Oct 12 15:37:14 PDT 2014

On Sun, Oct 12, 2014 at 6:11 PM, Peng Yu <pengyu.ut at> wrote:

> I get the following problem when running cssh. My mac is of version OS
> X 10.9.5. Does anybody know what the problem is? Thanks.
> $ cssh machine1 machine2
> Can't connect to display `tmp/launch-KZPKti/org.macosforge.xquartz:0':
> Invalid argument at
> /opt/local/lib/perl5/vendor_perl/5.16.3/X11/ line 2270.

Looks like it "knows too much" about what X $DISPLAY looks like and is
tripping over the launchd socket (specifically, removing the leading
slash). This is a sadly common bug; programs should not make assumptions
about what $DISPLAY looks like, but too many do (mostly as a long obsolete
workaround for issues with ancient versions of X11, around the R2 or R3

It's not clear from this whether it's the Perl module or cssh that is
breaking $DISPLAY.

brandon s allbery kf8nh                               sine nomine associates
allbery.b at                                  ballbery at
unix, openafs, kerberos, infrastructure, xmonad
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