North Bay Linux Users’ Group

The North Bay Linux Users’ Group is a computer users serving the San Francisco North Bay and surrounding areas. We strive to promote Linux, Free Software, Open Source, open standards, and to generally have a good time by hosting social events that educate, allow members to share ideas and knowledge and to build friendships.

We hold regular meetings on the second Tuesday of each month with a selected topic presented by a guest speaker. Meetings and membership are free and open to the public. Please sign up for the announce mailing list to receive notifications of upcoming events, or join us on the talk mailing list or in IRC to get help with Linux.

general meeting

Kubernetes from Top to Bottom

When: Tue July 10, 2018 07:30 PM to 09:00 PM

Speaker: Hunter Fernandes

Location: O'Reilly Media

The community is rallying around Kubernetes — it is quickly becoming the de-facto standard of container orchestration.

But what is Kubernetes and why has it gained so much traction?

In this talk Hunter Fernandes will deep-dive running Kubernetes on the cloud: the problems which lead to choosing Kubernetes, Kubernetes primitives, and Kubernetes in practice.

Published Mon 09 July 2018 by Tom Most

general meeting

Linux Malware is a Unicorn, Right?

When: Tue June 12, 2018 07:30 PM to 09:00 PM

Speaker: Robert P. Thille

Location: O'Reilly Media

Linux (and Unix generally) is known for being far more secure than Windows. But is this true? Is there such a thing as Linux Malware? There is, and in this talk I’ll present a brief overview of the history of Linux/Unix malware, worms, trojans and viruses. I’ll cover how they spread, what the current outbreak landscape looks like today, where it’s likely to head in the future and what you can do to keep yourself safe.

Don’t assume that just because you’re not running Windows that you’ve done everything you need to do! If you’ve got a machine on the net, you could be contributing CPU cycles and bandwidth to a botnet. Get informed, take some simple precautions and ensure that you’re not part of the problem.

Published Tue 12 June 2018 by Tom Most

general meeting

Hackfest

When: Tue May 08, 2018 07:30 PM to 09:00 PM

Speaker: Everyone

Location: O'Reilly Media

Hackfest: Bring your hardware or software project to get help with it or just to show it off. A mix of free tech support, show-and-tell, and idle chat.

Lightning Talks: Have something you would like to present, but don’t have enough material for a full talk? Here’s your chance. Talk about anything Linux related.

Published Tue 08 May 2018 by Tom Most

general meeting

Tamper-evident boot with Heads

When: Tue April 10, 2018 07:30 PM to 09:00 PM

Speaker: Kyle Rankin

Location: O'Reilly Media

Having a trustworthy boot process is the foundation of the rest of your system’s security. If your BIOS, kernel, or initrd have been tampered with, an attacker can hide their backdoor from the rest of the system. This talk will discuss the security threats against the boot process and briefly cover some other approaches to protect against boot-time attacks but the talk will primarily focus on Heads, an open source project that provides tamper-evident boot. I will discuss how Heads works, how it differs from other secure boot approaches, and demonstrate how it protects against tampering.

Unless there are security concerns Allan Cecil will stream the talk at https://twitch.tv/dwangoAC — see you there either in person or virtually!

Published Mon 09 April 2018 by Tom Most

general meeting

Home Router Panel

When: Tue March 13, 2018 07:30 PM to 09:00 PM

Speaker: Panel

Location: O'Reilly Media

Are you frustrated with the model/router/switch your ISP provides? Curious what your options are to improve performance or regain control? NBLUG will be holding a panel discussion about home networking, focusing on the humble router. We have representatives of several options:

  • Improving existing hardware by flashing OpenWRT or similar
  • Building your own router from an old PC or single-board computer
  • Commercial products aimed at IT professionals

We expect a wide-ranging discussion of the pros and cons of each of these approaches, touching on the effort required, security implications, and flexibility of each option. Questions from the audience are welcome.

Published Tue 13 March 2018 by Tom Most

general meeting

GPG Key Signing Party

When: Tue February 13, 2018 07:30 PM to 09:00 PM

Speaker: E. Frank Ball

Location: O'Reilly Media

It’s time for another GPG key signing. We had one in May 2003 & August 2014.

The point of this is to create a web of trust. By signing someone’s public key, you state that you have checked that the person that uses a certain keypair, is who he says he is and really is in control of the private key. This way a complete network of people who trust each other can be created. This network is called the strongly connected set. Information about it can be found at http://pgp.cs.uu.nl/

Before the meeting:

  1. Generate a public/private keypair with the gpg --gen-key command (accept the defaults), see man gpg for more info.

  2. Upload your key to a keyserver:

    gpg --send-keys --keyserver keyserver.ubuntu.com
    
  3. Print out the key fingerprint with gpg --fingerprint Also include your full name, email address, and Key ID#. Bring this to the meeting, and optionally make extra copies to hand out.

  4. Email me at frank@nblug.org with the fingerprint, email address, full name, and Key ID. I’ll have a list of everyone’s info to hand out.

During the meeting:

Verify your GPG key fingerprint on the list I hand out and verify your identity (with photo ID).

After the meeting:

  1. Download the all of the keys for the fingerprints verified at the meeting

  2. Add them to your keyring

  3. Sign them

  4. Upload your key again.

More info:

https://help.ubuntu.com/community/GnuPrivacyGuardHowto

http://cryptnet.net/fdp/crypto/keysigning_party/en/keysigning_party.html

Published Mon 12 March 2018 by Tom Most

general meeting

Enhancing Linux security with a Yubikey/Smart-Card

When: Tue January 09, 2018 07:30 PM to 09:00 PM

Speaker: Robert Thille

Location: O'Reilly Media

With more and more information coming out about how insecure nearly every computer is, come find out how to make your computer use just a bit more secure…

In this presentation, Robert will go over how to setup and use a Yubikey to store PGP keys and PKI certs such that without physical access theft of the keys is just about impossible, and even difficult with physical access.

Other security enhancements like hardware password stores (Mooltipass) and air-gapped machines will be covered. Further, I’m sure there will be discussion of the recently disclosed Meltdown and Specter attacks.

Published Sat 06 January 2018 by Tom Most

general meeting

Installing Linux onto a Chromebook with crouton

When: Tue November 14, 2017 07:30 PM to 09:00 PM

Speaker: Frank Ball

Location: O'Reilly Media

Chromebooks and Chromeboxes are cheap, easy to use, and pretty secure; but after a while the shortcomings of Chrome OS get annoying and I want my Linux. Crouton is a script which installs Debian, Kali, or Ubuntu Linux into a chroot container that runs under Chrome OS. It’s easy to install, and it works great.

Update: Frank’s slides are now available.

Published Tue 07 November 2017 by Tom Most

general meeting

No October Meeting

In light of the Sonoma County fires today we won’t be holding an October general meeting. Stay safe everyone.

Published Mon 09 October 2017 by Tom Most

general meeting

Linux on the Laptop 2017: A System76 Out-Of-Box experience

When: Tue September 12, 2017 07:30 PM to 09:00 PM

Speaker: Allan Cecil

Location: O'Reilly Media

You’ve probably heard of the mythical “Year of the Linux Desktop” for quite some time by now with the year seemingly always just around the corner. With Linux just now crossing the 3% install base threshold we may not be “there” yet but that’s not to say there aren’t some great companies out there making Linux-specific hardware. Case in point is the topic of this talk - System76 (http://system76.com) ships laptops in a range of sizes and configurations with Linux preloaded.

In this talk, I’ll demonstrate a new System76 Oryx Pro laptop and show off the current Out-Of-Box experience as well as their plans for their own distribution named Pop!_OS which is now in development. I’ll talk about what works well with their current software loadout and areas that still need improvement. I’ll also give an overview of the current state of driver support and touch on how that support dictated the hardware build of the laptop. I’ll leave plenty of time at the end for everyone to get some hands-on time as some things (such as what the keyboard and button layout feels like) can’t be demonstrated well from a projector.

Published Tue 12 September 2017 by Allan Cecil

general meeting

Lightning Talks & Hackfest

When: Tue August 08, 2017 07:30 PM to 09:00 PM

Speaker: Everyone

Location: O'Reilly Media

Lightning Talks: Have something you would like to present, but don’t have enough material for a full talk? Here’s your chance. Talk about anything Linux related.

Hackfest: Bring your hardware to get help with it or just to show it off.

Published Mon 21 August 2017 by Tom Most

general meeting

Metrics and Monitoring with collectd, InfluxDB, and Grafana

When: Tue July 11, 2017 07:30 PM to 09:00 PM

Speaker: Tom Most

Location: O'Reilly Media

Have you ever wondered what is clogging your Internet connection? Or if you ever use (or get) the bandwidth you pay for? The best way to know is to measure.

This presentation will discuss how to retrieve data from sources ranging from Linux hosts to network and IoT devices using collectd, then storing and graphing the data using InfluxDB and Grafana. The intended audience is technically-inclined home users and system administrators.

Published Sun 20 August 2017 by Tom Most

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