I have a xymon server running "Debian GNU/Linux 9 (stretch)" with xymon 4.3.28-2. I'm having bad luck getting DISPLAYGROUP to work in analysis.cfg. It seems to only match on the first 7 characters.
I also see this problem on "Debian GNU/Linux 8 (jessie)" with xymon 4.3.17-6+deb8u1.
Below, I've shown that the display group is set, and that the analysis.cfg file is being parsed correctly by xymon, yet the the svcstatus page only shows the shortest of the DISPLAYGROUP enabled lines.
root at misc-ten105-test:/etc/xymon# egrep -H Testnet.Database.Servers hosts.cfg hosts.cfg:group Testnet Database Servers
root at misc-ten105-test:/etc/xymon# cat analysis.d/davetest.cfg HOST=* EXCLASS=linux PROC davetest-nonlinux 1 150 yellow PROC davetest-Testnet.Database.Servers 1 150 yellow DISPLAYGROUP=%(Testnet.Database.Servers) PROC davetest-Database 1 150 yellow DISPLAYGROUP=%(Database) PROC davetest-Databas 1 150 yellow DISPLAYGROUP=%(Databas) PROC davetest-Testnet.Database 1 150 yellow DISPLAYGROUP=%(Testnet.Database) PROC davetest-Testnet.Data 1 150 yellow DISPLAYGROUP=%(Testnet.Data) PROC davetest-Testnet.D 1 150 yellow DISPLAYGROUP=%(Testnet.D) PROC davetest-Testnet. 1 150 yellow DISPLAYGROUP=%(Testnet.) PROC davetest-Testnet 1 150 yellow DISPLAYGROUP=%(Testnet) PROC davetest-Testne 1 150 yellow DISPLAYGROUP=%(Testne)
root at misc-ten105-test:/etc/xymon# sudo -u xymon xymoncmd xymond_client --dump-config | grep davetest [...] PROC davetest-nonlinux 1 150 yellow HOST=* EXCLASS=linux (line: 375) PROC davetest-Testnet.Database.Servers 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet.Database.Servers) EXCLASS=linux (line: 377) PROC davetest-Database 1 150 yellow HOST=* DISPLAYGROUP=%(Database) EXCLASS=linux (line: 378) PROC davetest-Databas 1 150 yellow HOST=* DISPLAYGROUP=%(Databas) EXCLASS=linux (line: 379) PROC davetest-Testnet.Database 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet.Database) EXCLASS=linux (line: 380) PROC davetest-Testnet.Data 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet.Data) EXCLASS=linux (line: 381) PROC davetest-Testnet.D 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet.D) EXCLASS=linux (line: 382) PROC davetest-Testnet. 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet.) EXCLASS=linux (line: 383) PROC davetest-Testnet 1 150 yellow HOST=* DISPLAYGROUP=%(Testnet) EXCLASS=linux (line: 384) PROC davetest-Testne 1 150 yellow HOST=* DISPLAYGROUP=%(Testne) EXCLASS=linux (line: 385)
root at misc-ten105-test:/etc/xymon# lynx -dump -nolist 'http://localhost/xymon-cgi/svcstatus.sh?HOST=balin2012.collegenet.testnet&SE...' [...] Xymon
balin2012.mydomain.testnet - procs
Wed Jul 11 13:29:40 2018
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HISTORY
Wed Jul 11 13:29:40 2018 - Processes NOT okyellow davetest-nonlinux (found 0, req. between 1 and 150) yellow davetest-Testnet (found 0, req. between 1 and 150) yellow davetest-Testne (found 0, req. between 1 and 150)
Status unchanged in 8 days, 21 hours, 22 minutes
Status message received from 10.101.1.35
Client data available