Help - Install net-snmp-perl

[Movah]

Trying to get some pre-requisites installed for Netdisco on CentOS8 but can't seem to get net-snmp-perl installed. Any suggestions on where and how to get this installed? or possibly is there an alternative that maybe I already have installed?

On Fedora/Red-Hat:
root:~# yum install perl-core perl-DBD-Pg net-snmp-perl net-snmp-devel openssl-devel curl postgresql-server postgresql-contrib make automake gcc

Here is what I get when trying to install. All of the others on the list above installed.

[Ndisco@Mynet.com ~]$ sudo dnf install -y net-snmp-perl
Last metadata expiration check: 0:10:02 ago on Fri 07 Feb 2020 09:52:40 AM EST.
No match for argument: net-snmp-perl
Error: Unable to find a match: net-snmp-perl

[TrevorH]

It appears to be in EPEL

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perl-Net-SNMP.noarch                6.0.1-25.epel8.playground.1                    epel-playground

[Movah]

Thanks for reply, so installing the epel would also get that?

[TrevorH]

EPEL (more exactly "Fedora Extra Packages for Enterprise Linux) is a Red Hat sponsored third party yum repo that supplies things that are not in the main distro. You need to install the epel-release package that's in the CentOS extrtas repo and then you will have acsess to about another 4600 packages int he main EPEL repo with about the same number currently in the epel-testing and epel-playground repos (respectively less and less tested) both of which are disabled by default. So the process is install epel-release, yum install the package you want.

[Movah]

Thanks for the help, finally got it.

just FYI I was getting the error below, and had to run "dnf config-manager --set-enabled PowerTools" before and then the install worked.


yum --enablerepo=epel install perl-Net-SNMP.noarch
Last metadata expiration check: 0:00:17 ago on Mon 10 Feb 2020 08:18:07 AM EST.
Error:
Problem: conflicting requests
- nothing provides perl(Digest::SHA1) >= 1.02 needed by perl-Net-SNMP-6.0.1-25.el8.1.noarch
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

[sml]

Digest::SHA1 is in PowerTools:

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yum --enablerepo=PowerTools,epel install perl-Net-SNMP

[TrevorH]

PowerTools has so much stuff in it that it's worth permanently enabling as the OP did.

[lowen]

NOTE: as of CentOS 8.3 the following is NOT required; net-snmp-perl is now in AppStream

Ok, so a bit of a necropost here, but since this forum thread comes up high on the list when you search for 'netdisco CentOS 8' I thought I'd reply here.

So, first off, the package "net-snmp-perl" is NOT the same as "perl-Net-SNMP" and this will trip you up trying to get netdisco to build.

The package 'net-snmp-perl' is not built by default in CentOS 8 anymore, and is not in any of the standard repositories. There is a third-party repository with the package, called the 'OKay' repository, but, in my case, I decided to rebuild net-snmp-perl from sources; I've been looking for a good reason to try out building from git.centos.org, and this is a reasonably good test case. I'm not going to muddy things up with lots of comments; this flow should be pretty self-explanatory.

Here's the process:

First, as root, enable EPEL, then:

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dnf config-manager --set-enabled PowerTools
dnf group install "Development Tools"
dnf install rpmdevtools rpmlint perl-Expect mariadb-devel perl-core perl-DBD-Pg  openssl-devel postgresql-server postgresql-contrib automake

Installing of 'mysql-devel' will NOT work for building net-snmp-perl; you'll get an error related to my_bool.

As a normal user (since I'm installing netdisco, I'm using that user; I'm also an rsync junkie, so I use rsync here instead of ln -s or cp -a....) EDIT: also note that the previously posted "~/net-snmp-perl" won't actually work correctly; using `pwd` is better:

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cd
git clone https://git.centos.org/centos-git-common.git
git clone https://git.centos.org/rpms/net-snmp.git
mkdir ~/bin
#Local ~/bin is typically in $PATH
rsync -avHAX centos-git-common/ ~/bin
cd net-snmp
#We need to checkout the 'c8' branch.  There are other branches!
git checkout c8
get_sources.sh
rpmbuild --define "%_topdir `pwd`" --define '%netsnmp_check 0' -ba SPECS/net-snmp.spec

As root again (or of course using sudo is fine):

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cd /home/netdisco/net-snmp/RPMS/x86_64
yum install net-snmp-5.8*.rpm net-snmp-perl-5.8*.rpm net-snmp-devel-5.8*.rpm net-snmp-libs-5.8*.rpm net-snmp-agent-libs-5.8*.rpm

Your build of netdisco should then Just Work. And, yes, I know I'm mixing yum and dnf willy-nilly.....and after this process you'll need to exclude net-snmp* from yum updates and you'll need to keep track of those yourself. You might be able to automate that, use createrepo and friends, and have your own local repository.... all of which are left as an exercise for the reader. Thanks go out to multiple people on the centos mailing list and elsewhere for pieces of this recipe.....

Enjoy!
EDITED 2020-12-16 to make a bit more clear which bin directory is being referenced.