Anselm Lingnau wrote:
> ...
> It is often an uphill battle to get these people to install an up-to-date
> Linux distribution instead of one from two years ago (just so we can get,
> e.g., a systemd-based system that actually works, rather than one that is two-
> thirds legacy init scripts and a systemd that is missing various interesting
> features which the training manual is talking about) ...
I have to agree. Being able to run on old hardware that has no issue
with kernel mid-to-late kernel 2.6 distros is idea.
Of course, such distros might not have various WiFi support,
especially not USB, as the 80211+USB chipset support was still early
back then. Hence ...
> Asking them to provide extra WLAN dongles or for that matter ARM-based
> microservers for everybody would really be overreaching.
But ... I just multi-host my notebook. I've been doing this forever,
including with older PC/Card-CardBus (earlier '00s) as well as
ExpressCard34/54 (latter '00s), as well as USB now ('10s).
In fact, a simple USB dongle allows me to serve out DHCP on a
_dedicated_ LAN for the classroom, lab, provisioning network, etc...
with_out_ the concern of pushing DHCP out my primary Ethernet (which
might be connected to a corporate network).
In fact, I _always_ setup a bridge on my notebook, so it's available,
even when the dongle is _not_ plugged in.
E.g., I don't have my USB dongle plugged in right now ...
$ brctl show
bridge name bridge id STP enabled interfaces
br031005 8000.fe540020d891 yes vnet1
The "vnet1" shows up when any of my VMs boot with an IP on the network
(172.31.5.0/24).
[ Creator how I love the newer, truly dynamic NetworkManager and even
nmcli toolset -- fully integrated into libvirtd and most of the other
*d solutions ]
If I plug in my USB dongle, it too will then show up in the bridge as well.
E.g., my VMs range from a simple web server with APT and/or YUM repos
to Foreman/Katello (Satellite 6) or Spacewalk (Satellite 5 -- also the
basis for CentOS, Oracle, SuSE, etc... management tools), etc...
I couldn't have operated as a Consultant for the past 15 years if I
didn't have a way to quickly deploy a new datacenter without anything
else. Training is in the same boat.**
-- bjs
**P.S. Although I've been using portable, Mini-ITX or Nano-ITX
"RHEV-H" boxes in the '10s, and my notebook is then running RHEV-M as
a VM to manage them. That way I can have 30+ students on four (4) or
so 1.5GHz quad-core, 15W TDP AMD A4-5000 systems running Debian,
Ubuntu, RHEL and/or SLES.
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