Nahum Shalman

Open Source Software: Operating Systems and Beyond.

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Migration Notes

Some notes I took down as I stood up my new zone hosted by https://mnx.io.

  • Nahum Shalman
    Nahum Shalman
1 min read

Upcoming Downtime

Just a heads-up that I have to migrate my domain off of the JPC and there will probably be a downtime of my blog and other services for an unknown duration (though I'll

  • Nahum Shalman
    Nahum Shalman
1 min read

Wireguard - Android Road Warrior

Motivation There are a lot of blog posts and wiki pages about how to set up Wireguard, but I still had to do a bunch of trial and error to come up with

  • Nahum Shalman
    Nahum Shalman
2 min read

Silly tricks with Docker in the JPC

Message from 2018: I was going through my blog post drafts and found this post. I've made few small tweaks to it that seem to be what I was hoping to add before

  • Nahum Shalman
    Nahum Shalman
1 min read

IPMItool for Termux (Android / Chromebook)

This is a follow up to my previous post outlining my chromebook setup. I managed to get IPMItool to compile in my Termux environment. Here's how you can too. (So far I've only

  • Nahum Shalman
    Nahum Shalman
1 min read

Chromebook Adventures

A chromebook you say? I've been in need of a new personal laptop for a while and inspired by this post from @kennwhite I decided that I would get a Chromebook. I put

  • Nahum Shalman
    Nahum Shalman
3 min read

Running OmniOS under KVM on on-prem Triton, Part 1

The first VM I wanted to build was OmniOS 014. While the system was able to see a virtio disk, the installer was not, so I did the initial installation on a virtual

  • Nahum Shalman
    Nahum Shalman
2 min read

Enabling DTrace on macOS Sierra

I was doing some work on my Python bindings for libusdt which reminded me about how annoying it is when DTrace isn't working. The solution (as I noted here) is pretty simple: Reboot

  • Nahum Shalman
    Nahum Shalman
1 min read

Sometimes it's the little things

If you run an illumos distribution that uses beadm (e.g. OmniOS) in production, you may have run into illumos bug #5943. As you might imagine, we at OmniTI run a lot of

  • Nahum Shalman
    Nahum Shalman
1 min read

ZFS used space hidden in more than one snapshot

Someone was asking about this on IRC This is mostly for myself for later: hidden_in_snaps(){ bc -l <<<"( $(zfs list -H -p -o usedsnap ${1}) - $(zfs list

  • Nahum Shalman
    Nahum Shalman
1 min read

PXE Booting NixOS

I've been outed on Twitter: Thanks to some awesome work from @nahumshalman, we'll soon have a PXE bootable #NixOS installer! https://t.co/WHHwP1Bm5i — Charles Strahan (@charlesstrahan) April 21, 2016

  • Nahum Shalman
    Nahum Shalman
1 min read

Mistify is now Cerana

Just a quick note that Mistify is being rebranded as Cerana. I'm busy getting settled into my new team and having a great time. You can be sure I'll either be posting here

  • Nahum Shalman
    Nahum Shalman
1 min read
mistify

OmniTI

Long time followers are aware of how much time and energy I've poured into SmartOS and the SmartOS community which might make what I'm about to tell you all the more surprising. You

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

Running a Tor relay with Docker in the JPC

Jessie Frazelle did some really nice work wrapping up Tor into a Docker image. I tried running it in the Joyent Public Cloud (JPC) back in January but ran into a bug in

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

Recent smartos-discuss posts Feb 2016 edition

Some of my recent posts to the smartos-discuss mailing list may be of interest to any readers who for some reason read this blog but aren't on the mailing list: On the subject

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

SmartOS ZFS Boot Media

Someone recently asked about this on the mailing list so I decided to get this out of the drafts folder and published. I used these instructions to create a ZFS formatted USB stick

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

Running SDC CoaL on SmartOS

Motivation I don't have any machines that run VMware but I do have a nice SmartOS machine. I have some SDC features I want to test. I want to test my own changes

  • Nahum Shalman
    Nahum Shalman
3 min read
smartos

SmartOS on SmartOS everywhere for LX brand testing

TLDR? Click here for the quick set of commands to run on your SmartOS machine to try this stuff out. Hot on the heels of my previous blog entry comes a KVM bootable

  • Nahum Shalman
    Nahum Shalman
3 min read
smartos

SmartOS on SmartOS in the JPC

What now? We begin with Xzibit: Okay, really, what? Log into the JPC portal Provision a CentOS 7 VM Use any package that gives you more than 1 VCPU (try "High CPU

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

The SmartOS lx brand is coming along nicely.

I can't take any credit for the actual work, but I did help in two ways: I started a wiki page to help people learn how to test it while it's under development.

  • Nahum Shalman
    Nahum Shalman
1 min read
smartos

Exploring epoll on SmartOS

Introduction Back in April, Joyent added an implementation of the epoll API to their downstream tree of illumos. This is interesting because it means that many otherwise portable applications that depend on this

  • Nahum Shalman
    Nahum Shalman
4 min read

Tricks With Joyent's Manta Service: Tarballs

The Use Case Let's say you're backing up a directory of files into Joyent's Manta service with Dave Eddy's manta-sync tool. You're happily backing up your files regularly, but one day you need

  • Nahum Shalman
    Nahum Shalman
5 min read
smartos

Testing SaltStack 2014.7 release candidates on SmartOS

I still have some other SmartOS related blog posts in the pipeline, but this one is quick and I know there's at least one person who will use these instructions soon. I recently

  • Nahum Shalman
    Nahum Shalman
2 min read
smartos

Overriding Driver Config Files on SmartOS

First, if you haven't already read it, you should at least skim Keith Wesolowski's post on anonymous tracing which discusses the underlying feature in SmartOS that enables this. (Aside: If my GRUB configs

  • Nahum Shalman
    Nahum Shalman
2 min read

Manta blind drop

Note to self: Generate a signed URL: msign -m PUT ~~/stor/where/you/want/it Other person uploads to that location: curl -X PUT -T some_file $signed_url Thanks @dapsays! Or in

  • Nahum Shalman
    Nahum Shalman
1 min read
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