09-30-2017
We had a trainee here, who'd accomplished some Cisco Certification (done via internet as it revealed later). Don't know exactly what it was. But she somehow managed to not even know how IPv4 works.
I read some offers here and there in the internet:" If you take our premium support offer you always get serviced by an >> LPIC Level 3 certified senior system administrator <<".
Especially the LPI Exams cost a lot of money if you want to keep them especially at a higher level. After 5 years you have to recertify.
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TACHK(1p) User Contributed Perl Documentation TACHK(1p)
NAME
tachk - Check the validity of the trust anchors in a named.conf file
SYNOPSIS
tachk [options] <named.conf>
DESCRIPTION
tachk checks the validity of the trust anchors in the specified named.conf file. The output given depends on the options selected.
Note: This script may be removed in future releases.
OPTIONS
tachk takes two types of options: record-attribute options and output-style options. These option sets are detailed below.
Record-Attribute Options
These options define which trust anchor records will be displayed.
-valid
This option displays the valid trust anchors in a named.conf file.
-invalid
This option displays the invalid trust anchors in a named.conf file.
Output-Format Options
These options define how the trust anchor information will be displayed. Without any of these options, the zone name and key tag will be
displayed for each trust anchor.
-count
The count of matching records will be displayed, but the matching records will not be.
-long
The long form of output will be given. The zone name and key tag will be displayed for each trust anchor.
-terse
This option displays only the name of the zones selected by other options.
-Version
Displays the version information for tachk and the DNSSEC-Tools package.
-help
Display a usage message.
AUTHOR
Wesley Griffin
(Current contact for tachk is Wayne Morrison, tewok@tislabs.com.)
SEE ALSO
trustman(8)
named.conf(5)
perl v5.14.2 2012-06-21 TACHK(1p)