This question is usually where I say that people shouldn't be checking if
packages exist, they should be instead be managing packages with configuration
management. That way you only need to monitor the results of one config run on
a server rather than all the individual packages.
More topically, if you have a list of package names you can check them against
the list from "rpm -qa" and alert. Here's a facter (docs.puppet.com/facter)
fact which reports package versions for selected packages, you can do something
similar in a monitoring script and add anything you want like missing package
notification.
packages = [
'bash',
]
rpmqa = %x{/bin/rpm -qa --qf '%{NAME};%{V};%{RELEASE}\n'}
output = []
rpmqa.split("\n").each do |line|
packages.each do |name|
if /^#{name};/.match(line)
output << line
end
end
end
Facter.add('package_audit') do
setcode do
output
end
end
On Thu, May 25, 2017 at 10:43:59AM -0700, Billy Vitro wrote:
> Does anyone have good suggestions on checking for specific packages (e.g.
> perl-DBD-SQLite) installed on an RHEL host. I know I could just run 'rpm -qa
> perl-DBD-SQLite') for each package, but I was wondering if someone built
> something more thorough.
>
> Thanks.
> --
> Billy Vitro | cisco Systems, Inc.
> [email protected] | (408) 526-4817
> http://www.linkedin.com/in/bvitro | Illegitimus non carborundum.
>
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