(TIL) Today I Learned...

Started by Seittit, January 13, 2015, 03:50:21 AM

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Otanx

#435
February 17, 2021, 11:06:04 AM
Today I learned about RJ.5 connectors. Kind of like USB-C for CAT-5e. Almost half the width of RJ-45. From some searching it looks like it can do 1G and 60W POE. Downside is it isn't an open standard. Looks like it is a proprietary standard by TE Communications. My brother handed me one last night. His company uses them for some internal cabling inside their devices where space is at a premium.

-Otanx

wintermute000

#436
February 17, 2021, 08:33:52 PM
WTF!!! lol i guess you learn something new every day

deanwebb

#437
February 18, 2021, 07:36:11 AM
TIL that our CEO makes comments on our developer's github. Since the comments supported my view in a dispute, I am all like:

:greatoffer:
Take a baseball bat and trash all the routers, shout out "IT'S A NETWORK PROBLEM NOW, SUCKERS!" and then peel out of the parking lot in your Ferrari.
"The world could perish if people only worked on things that were easy to handle." -- Vladimir Savchenko
Вопросы есть? Вопросов нет! | BCEB: Belkin Certified Expert Baffler | "Plan B is Plan A with an element of panic." -- John Clarke
Accounting is architecture, remember that!
Air gaps are high-latency Internet connections.

Otanx

#438
February 18, 2021, 10:15:27 AM
I like to think they comment on random code with stuff like "GIT GUD SCRUB", or maybe a simple "interesting"

-Otanx


deanwebb

#439
February 18, 2021, 02:59:56 PM
This comment was, "Treat it as a defect, fix it." :D
Take a baseball bat and trash all the routers, shout out "IT'S A NETWORK PROBLEM NOW, SUCKERS!" and then peel out of the parking lot in your Ferrari.
"The world could perish if people only worked on things that were easy to handle." -- Vladimir Savchenko
Вопросы есть? Вопросов нет! | BCEB: Belkin Certified Expert Baffler | "Plan B is Plan A with an element of panic." -- John Clarke
Accounting is architecture, remember that!
Air gaps are high-latency Internet connections.

config t

#440
February 22, 2021, 12:54:01 AM
TIL how to create website whitelist rules in FortiGate after a firmware update broke something in UTM. Now I'm learning about UTM too :)
:matrix:

Please don't mistake my experience for intelligence.

heath

#441
February 22, 2021, 10:57:46 AM
TIL that I can learn a lot from the TIL posts.

deanwebb

#442
February 22, 2021, 01:10:05 PM
Quote from: heath on February 22, 2021, 10:57:46 AM
TIL that I can learn a lot from the TIL posts.

:awesome:

WIN
Take a baseball bat and trash all the routers, shout out "IT'S A NETWORK PROBLEM NOW, SUCKERS!" and then peel out of the parking lot in your Ferrari.
"The world could perish if people only worked on things that were easy to handle." -- Vladimir Savchenko
Вопросы есть? Вопросов нет! | BCEB: Belkin Certified Expert Baffler | "Plan B is Plan A with an element of panic." -- John Clarke
Accounting is architecture, remember that!
Air gaps are high-latency Internet connections.

deanwebb

#443
March 03, 2021, 07:30:48 AM
TIL where the WSUS registry key is located on Windows.
Take a baseball bat and trash all the routers, shout out "IT'S A NETWORK PROBLEM NOW, SUCKERS!" and then peel out of the parking lot in your Ferrari.
"The world could perish if people only worked on things that were easy to handle." -- Vladimir Savchenko
Вопросы есть? Вопросов нет! | BCEB: Belkin Certified Expert Baffler | "Plan B is Plan A with an element of panic." -- John Clarke
Accounting is architecture, remember that!
Air gaps are high-latency Internet connections.

heath

#444
March 03, 2021, 07:43:23 AM
TIL that we have a GitLab instance that the systems/server team have been using extensively and that I have access to it. 

TIHTL (Tomorrow I Hope To Learn) how to have Oxidized (which already uses Git to backup network configs to a local repository) push configs to GitLab for additional off site backup redundancy.

Otanx

#445
March 03, 2021, 09:47:32 AM
I setup Oxidized to do that a couple years ago, and it was pretty easy. If you need help let me know, and I can see if I have any of the config around somewhere.

-Otanx

icecream-guy

#446
March 03, 2021, 10:40:35 AM
TIL  no matter the critical project you are working on, something will creep in with more urgency,  so my task due tomorrow got upended with a task due in 2 hours.
:professorcat:

My Moral Fibers have been cut.

heath

#447
March 03, 2021, 11:40:43 AM
Quote from: Otanx on March 03, 2021, 09:47:32 AM
I setup Oxidized to do that a couple years ago, and it was pretty easy. If you need help let me know, and I can see if I have any of the config around somewhere.

-Otanx

Thanks!  I may have to take you up on that.  My install of Oxidized is actually as a plugin for LibreNMS and I don't want to break that.

Otanx

#448
March 03, 2021, 01:07:40 PM
I don't know how it links with LibreNMS. Ours was the basic docker image. We had it use http as a source, and it would query Netbox for the list of hosts to backup. Then save as git, and use the "hooks" function to push that to our internal repo. For the hooks we did the following...

Code Select

hooks:
  push_to_git:
    type: githubrepo
    events: : [post_store]
    remote_repo: your_git_server:the_repo_name.git
    username: your_user
    password: your_password


Insert your repo, username, and password. You should be able to add that to the Oxidized config file. I just looked at the Oxidized docs, and our config is just a copy and paste of the example so it apparently just works. We don't use groups. If you do the docs have an example, but you have to have different repo for each group.

-Otanx

Otanx

#449
March 08, 2021, 04:42:30 PM
TIL not to snmpwalk the entire MIB tree for a device with full BGP tables. Three hours later and still walking. File I am saving to is up to just over 1GB.  The MIB contains multiple entries for each route in the table, and I think it also includes entries for each received route from your BGP neighbors. Maybe it will finish today. At least I will have a good file to use for my SNMP project.

-Otanx
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