NEMS Linux 1.4.1 - The FREE Nagios Enterprise Monitoring Server
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- Опубліковано 10 лют 2025
- Robbie gives a crash course on using NEMS Linux 1.4.1. This free distribution for Raspberry Pi and other single-board computers allows you to easily monitor network assets and be advised proactively about pending issues. The ideal solution for both IT professionals managing thousands of endpoints and enthusiasts monitoring their home network. NEMS cuts costs while making Nagios easy to deploy and easier than ever to use.
Thanks for the walkthrough and for your hard work on this project. I will definitely be sharing this with my fellow admins.
Hello Robbie, Awesome video, and this is what I have been looking for, for about 4 years. I had no clue this existed. I will be installing it on my RPi 4 This evening. Thank you for your hard work.
Thanks for the note. Hope you enjoy! Jump on the Discord server if you get stumped. -Robbie
Robbie. You're awesome. How often do you see someone with this much technical knowledge be able to explain things this well?!!
Dude. You're awesome! I'm going to buy one of these boxes because of you. I've seen them plenty of times but I've never had a use for one. Until now.
Thanks James! Glad we found a nice use case for you :)
OMG I love this! Thank you sir for all your hard work. Cant wait to spin up an instance of NEMS on my Pi
The video is based on 1.4.1. Just wait till you see 1.6 (currently in beta) WOOOO! :) Enjoy!
@@LinuxTechShow awesome !
Have this on all my customer networks as an additional service. Thank you and I tell everyone I know about it. It just works.
Thanks Jake!
@@LinuxTechShow Thank you.
Thank you so much for this detailed video. I can't wait to try this out.
Very informative. Ironically, I'm surprised I haven't seen this mentioned by others all that much in the hoard of raspi-cluster videos out there. once I get a few more peices of equipment, mainly a network switch and some short ethernet cables to start tinkering, I think adding a Nems box to the stack might be a fun little addition.
Awesome video! I'm following along and setting it up on my Raspberry Pi 4 right now.
Excellent! Enjoy!
Old video but still very useful. Thank you so much.
Excellent explanation. Proper communication. Thanks.
Thank you!
Awesome. Exactly what I was looking for.
This is awesome. Thanks for the hard work.
Thanks Austin!
he - nice and it works perfect on the Raspi - but im missing it for Synology as image ..
I would like to see latency and ip log could I do that with this? Using DD-WRT current on net gear r7000 thinking about getting my pfsense box out and see what I can do with that
Wow! I've been looking for EXACTLY THIS on my raspberry pi. Quick question! Where in the network topology should this live? Direct to your gateway or in any of the switches?
I currently use pi-hole on my pi 4, but I may just reinstall with NEMS. I wonder if I can install pi-hole on NEMS? or at the very least run it as a docker container?
Question!
If this makes sense! I want to get the ten ESP 8266 E2 boards to mine c-coin. One USB power source to one board and daisy chain the power from one board to the next using the GPIOs. These ten ESP boards would then connect to one RPi board using a wlan0 and the RPi board would be connected through eth0 to my home router. None of the ESP boards would directly connected to my network other than that one RPi. I would also like to have NEMS to monitor. Is this possible and if so, how? Thank-you for your time & energy!
ESP8266 E2 miners; 10x (Arduino)
RPi 4 (1x) connects to miners; 1x, (Debian-Buster)
RPi (NEMS monitor) 1x (NEMS)
1) RPi (#1); NEMS. To monitor multiple SBC’s (1 USB Power Sup.). connected thru eth0 (main router)
2) RPi 4 (#2) to directly connect (wlan0) ESP8266 E2’s (10x). (1 USB Power Sup.)
a. ESP8266 E2 miners (duino-coin (10x)) . 1 Power USB Sup. 10 ESP’s powered by daisy chain the others.
3) RPi 4 (#3) Connects (linked) #2 RPi thru wlan0 to main router eth0.
thank you
who did dislike this vid. informative thank you.
Hello Robbie, can you explain how to monitor printer/mfp (total counters, toner level ect) , can we get a schedule reports?
regards
zvana
I really enjoyed the video Download.
Awesome !!!!
Would I have to use the web-ui to make changes? Im much faster with vi and the cfg files
why doesn't it work on a RPI4 booting from usb ssd ???
I don't know if you'll read this, or already know. But powershell has SSH baked into it now. No need for putty!
why dont provide some examples?
Ok, I know this sounds like I don't know anything but could I load this into a VM image instead of loading it on a Raspberry Pi? I think you referred to that in your video but it was subtle. So I wanted to confirm.
The virtual appliances are available to Patrons, yes.
Question how would you back up the NEMS server in the event something happened?
Another question. How would you back up the SD card if the card fails? Is there a way to run a whole backup pi running in parallel?
docs.nemslinux.com/features/nems-migrator
I've deployed this on a Pine64A but the email and pushover notifications have been extremely inconsistent and the TV dashboard does not update.
We'd be happy to help you get it configured correctly. In NEMS there is an official Discord server. Join and ping @RobbieF in #general for help.
Looks sweet. We use PRTG at work. But I would prefer something lighter for my home labs.
Does it autodiscover and allow acknowledge and pausing of sensors?
Hey, do you know what happend with nemslinux.com, please? Not reachable... :(
Why is there no nagios Xi ,how can we import custom dasboards with nems 1.5
Nagios XI price starts at $2,000 USD. NEMS Linux price starts at is $0. Spot the difference? :D Feel free to hop onto the Discord server to discuss any customizations and find help.
@@LinuxTechShow Nagios XI is free for up to 7 nodes after the trial but your right. My mistake.
Very nice. How many clients can this handle on a Raspberry Pi 3B+?
This is great, got all if it to work but I don't see Webmin?
It does not have webmin, nor do we recommend adding it. Cockpit and the custom interfaces (eg., NEMS System Settings Tool) are what should be used to administer the system. Hope you enjoy!
That was an amazing Video, (Thumbs Up)
Thanks so much!
Does anyone know where "cockpit" came from? I've seen it in Cisco CML2 as well. Looks identical.
Ah, maybe from here: cockpit-project.org/
this looks awesome buy what about if i want to run plex and deja dup in the same raspberry will it be able to handle it?
Thanks. No, this is a dedicated server. We'd suggest buying a second Raspberry Pi (or better yet, something more powerful like an ODROID-N2) if you want to also run Plex.
awesome, thanks!
Am I missing, I followed the video and everything goes great except when trying to access the browser. I get a message about it not being secure but the browser shows nothing both on work network and my home network.
Per docs.nemslinux.com/faq
Frequently Asked Questions
My browser warns, "Your connection is not secure". Why?
NEMS Linux uses SSL (aka https) connections to secure your connection and the data you transmit and receive to and from your NEMS server. This is accomplished using what is called a self-signed certificate. By nature, self-signed certificates are considered “untrusted” by your browser because, simply put, anyone can make them. It does not mean your connection is not encrypted or secure, but rather it means your browser cannot determine who created the certificate, and therefore they cannot verify your security. If you visited a web site, say google.com and received a warning that your connection is not secure, you should immediately stop what you're doing and not proceed. However, in the case of NEMS Linux, which is a local server on your network (not a “dot com” on the web), you can safely trust the self-signed certificates and add an exception to your browser.
Turn off the servers firewall.
Does it require an active internet connection ? I want to use it for monitoring my Intranet which has no internet connection. Is it possible?
Technically an internet connection is required... you'd lose a lot of important functionality if you don't have one, and the interfaces would be a bit broken. Plus none of the notification systems would work (eg. Email) so it kinda defeats the purpose. Can't setup internet connectivity? Perhaps chat with the developer on the NEMS Discord server to see what's possible with some patches.
@@LinuxTechShowThanks for replying.
We have two separate networks one for internet and other for intranet. We maintain air gap between internet and intranet. It's our policy.
I set it up, it's running on intranet. Though E-mail notifications are not available as you told.
Can I get the E-Mail ID of developer?
@@yogeshsparxsoft nems@category5.tv - good luck!
@@LinuxTechShow Thanks a lot
@@yogeshsparxsoft our pleasure. Good luck!
👏 👏 👏 👏 👏
Quick question. Can NEMS Linux run on an ODROID? I think that would be a stronger system.
David Rosales ua-cam.com/video/BCYTXYjMeJ8/v-deo.html the XU3/4 version is in testing with plans to release in a couple weeks. Next is the HC1/2 and Cloudshell 2 support.
NEMS Linux is available for ODROID now. You can get it off the web site nemslinux.com/
A x64 version to run as a VM would be cool. I wouldn't trust a pi for crucial network infrastructure.
I think that you are right so what about a HP Proliant DL580 GEN7 with 1TB of ECC RAM and UBUNTU 18.04LTS Server
DAVID GREGORY KERR I guess so, it will have plenty of resources free to host many other machines as well.
Hi Rob, check out our Patreon page as well as the NEMS 1.4.1 changelog. There is a OVA version of NEMS 1.4.1 pending release. It performs incredibly, and it's what we use at the studio :)
Very Cool - Tx =O)
Hi, i`m having trouble trying to get Telegram notification to WORK
There is a very active Discord support server or community forum. I'd suggest you pop over there to get some help.
CTRL+F2 takes me out to the Login prompt so That's not good.
Why are you pressing CTRL+F2? Did you follow the directions? :) CTRL-ALT-F2 is only for Pi Zero users, as explained, to allow configuration of WiFi.
How would we install on it, on let's say a normal server slice?
Can this monitor windows servers
Yes of course. NEMS Linux can monitor practically anything.
I couldnt download it for my vmware, I dont use pi, so pattreon ask money for your work :D
Good video, btw is Ubuntu still your daily driver?
UBUNTU is not my daily driver but Linux Mint 18.3 CINNAMON (Sylvia) 64bit and 16GB of DDR3 RAM with an AMD A10-7800k (Kaveri)
Thanks at54tl. I haven't used Ubuntu personally for a long time (since they replaced Gnome with Unity). I personally prefer Debian, setup to operate the way I like. I do have a mixed environment at home though, which does in fact include one Ubuntu system. :) -Robbie
Where is your cool beard? 😨
Deployment not possible due to errors in configuration. What this mean ?
Error: Invalid max_attempts, check_interval, retry_interval, or notification_interval value for service 'check_internet_speed' on host 'test'
Error: Could not register service (config file '/var/www/html/nconf/temp/Default_collector/services.cfg', starting on line 61)
Start with the Getting Started Guide. You have misconfigured your host "test" in NEMS Nconf. The Getting Started Guide covers the basics such as how to correctly add a host.
Dang looks like a great product but holding the working ova hostage until a goal is reached is very offputting
Thank you. And please do not misinterpret the need to meet a funding goal to release an OVA. The cost to develop and distribute the OVA is a lot more than I can afford to do without help from the community. Since I will always give away NEMS for free, I feel it is more than fair to at least say "I can't afford to get to this without some funds to back it up". The goal is modest, and I really think once you've experienced NEMS, gotten involved in the support community, and gotten the feel for how things work, you will realize how huge of a project NEMS Linux is. I'm just one guy, and I appreciate all the support of the users. I do not require nor demand it, but it helps me do what I do. So that goal is simply that - to help NEMS grow, it costs money. NEMS is growing pretty much all the time. Check out the changelogs :) I hope you'll give NEMS a chance despite your interpretation of my desire to build our community on Patreon. There is value in becoming a supporter.
Looked briefly at this along with check_mk that I've used in the past. Any chance of this runnung on odroid-c2 (arm64). I've also got an odroid-hc2 (same as xu4) but it's dedicated to tvheadend and shinobi
Not yet, but I am hoping to have a C2 build released this quarter. I hope you like it! NEMS 1.3 had check_mk. I feel 1.4 is stronger though. Let me know what you think.
Why would you be running window?
is the only purpose of this fancy linux to show me that one of my hosts is down?
congratulation for the good work, but I'd encourage everyone to use a more modern solution for the monitoring, not something which was built in the 90's
Hey, do you know what happend with nemslinux.com, please? Not reachable... :(
Did you do something that might have gotten you blocked in the firewall? Because the site is up and has not been down. Go to currentip.xyz and email your ipv4 IP to nems@category5.tv and we'll take a look. Cheers.