qjkxbmwvz

joined 2 years ago
[–] qjkxbmwvz@startrek.website 2 points 2 days ago

Looks great! I'm a huge fan of (almost) never using a cutting board---that's what the counter is for!

[–] qjkxbmwvz@startrek.website 6 points 3 days ago

The Lincoln Memorial statue is famous for eyes that seem to follow you.

The Gowron Memorial statue is famous for eyes that see through your soul.

[–] qjkxbmwvz@startrek.website 4 points 3 days ago (1 children)

Parent didn't say develop, they said use. 80 acres of forest can be used as open space and not developed at all.

I think the spirit of parent comment was that if you have 80 acres of forest, but you live somewhere else and never set foot in it...well, maybe that land could be better used/enjoyed.

If you live on/near it, and enjoy it for some purpose other than strictly as an investment, that seems like you're utilizing it.

[–] qjkxbmwvz@startrek.website 2 points 5 days ago

Boring conversation anyway.

[–] qjkxbmwvz@startrek.website 2 points 6 days ago

200MWh is about 1/100 of Little Boy, the atomic bomb dropped on Hiroshima.

Compressed air can get out all at once given the right circumstances.

Storing energy in a way that can go boom is something I'd be a little scared of, were I a nearby resident. I'm sure thermal batteries can have gnarly failure mechanisms but I would way rather live near one of those than a giant compressed air cylinder.

 

Hi,

I am considering upgrading my router (RB750Gr3). I am eyeing the CRS309-1G-8S+IN in the hopes that the fast ISP in town eventually expand to my street (10G fiber).

My question is about L3HW offloading, and how it plays with PBR. Currently, I have a number of rules (/routing/rule), some based on source IP and some on VLAN. The purpose is to route certain traffic through VPNs (WireGuard, but I run on a separate computer, not on the router itself). Example: VLAN10 routes all traffic through main routing table, VLAN20 routes local traffic through router but sends external traffic through VPN-1, and VLAN30 sends everything through VPN-2. I use a number of different VPNs, so it's not just a binary "main route or VPN."

I am unclear how this plays with L3HW offloading. This page ( https://help.mikrotik.com/docs/spaces/ROS/pages/62390319/L3+Hardware+Offloading#L3HardwareOffloading-Inter-VLANRoutingwithUpstreamPortBehindFirewall/NAT ) mentions pbr-cap/usage/lpm-bank but I am unclear if that's referring to what I'd be using. That page also says that only the main routing table is HW offloaded in the context of VRF, so I wasn't sure if that also applied to PBR.

The question then, is, does L3HW offloading 1) Just Work for PBR /routing/rule, 2) only work via Fasttrack (perhaps requiring some redirect-to-cpu switch rules), or 3) ain't gonna work?

To preempt a few questions: I know Fasttrack is a last resort. I am a single household, I don't have concerns about TCAM exhaustion. I am considering a CRS instead of a "true" router due to cost and reduced energy footprint. I also know that I don't "need" 10G; if it is ever offered on my street it'll be via an ISP with a "best effort" policy, i.e., they don't have throttled tiers, so 10G is their only offering (cheaper than we're paying now for asymmetric cable).

Thanks!

[–] qjkxbmwvz@startrek.website 5 points 1 week ago

It's ~~turtles~~ next guys all the way down I guess.

[–] qjkxbmwvz@startrek.website 3 points 1 week ago (3 children)

Right now the only thing I genuinely feel is missing that would increase my happiness, is an exercise routine.

I'll put in a plug for cycling. You can nerd out over the latest bike gear, restore vintage bikes, or just pay the nice folks at your local bike shop to set you up and focus on the riding, it's up to you!

You can also ride "unplugged," or you can measure speed, cadence, heart rate, even power output (if you spend $$$)---again, something for everyone!

Good luck!

[–] qjkxbmwvz@startrek.website 20 points 1 week ago* (last edited 1 week ago) (3 children)

I hate meta as much as the next guy, but according to this they are the #3 organization in terms of kernel contributions, behind only Intel and Red Hat...

[–] qjkxbmwvz@startrek.website 10 points 1 week ago

I got a lot of problems with you people! And now you're gonna hear about it!

[–] qjkxbmwvz@startrek.website 36 points 1 week ago

As another person commented, we can hope it's intentional defiance.

 

What I want: I want to be able to route specific clients through different interfaces (WireGuard tunnels), and I want this behavior to persist upon disconnect/reconnect. Clients can change which tunnel, with several VLANs being able to use the tunnels (so a client A on VLAN 124 and client B on VLAN 789 can both use VPN tunnel X or Y at their discretion).

What I have: IPv4 works fine (routing rule src address -> routing table). IPv6 works, but is not persistent, as clients change their IPv6 address. (I have a dinky script where I enter IPv4 address and country, and it will grab a VPN peer from a json file, set it up, and add the IPv4+current IPv6 address to the routing rules. This works well currently; I use Mullvad.)

Any recommendations? Ideas: use IPv6 mangle based on MAC address, but I have been having trouble getting this to work (extremely slow). Another idea is to have a script run and grab the IPv6 address of client (either by hostname or by DHCP lease+MAC info), but I'm not sure if it's possible to trigger a script upon IPv6 neighbor discovery.

Any help appreciated!

 

People often complain about San Francisco's public transit


and to be sure, it's not perfect by any means (multiple separate agencies doesn't help). But the historic streetcars are pretty neat!

They're painted with the livery of various historic streetcars from all over the country (and a few international, I think). Best of all, they run alongside the modern fleet


same route, same fare.

 

Noticed a few days ago that Sutro Tower's red blinking lights are now white. Just asked them on their website form, but wondered if anyone else knows the story with this.

Personally, I miss the red ones!

6
submitted 2 years ago* (last edited 2 years ago) by qjkxbmwvz@startrek.website to c/amateur_radio@lemmy.radio
 

Howdy!

I got my Technician in early 2000s, and last year finally upgraded to Extra. Looking to set up a very basic shack.

I'm looking for an HF setup, with most of my use probably using digital modes, but would like the ability to use voice.

Current transceiver is on loan from girlfriend's dad, a Ten-Tec Scout 555


50W HF unit with separate modules for each band. One limitation of this is that the modules set the mode, so it's LSB on 40m, making e.g. FT8 not possible (without some hacking of code or perhaps hacking the module).

Antenna is end-fed with an off-the-shelf 49:1. Currently only have 20m half-wave, but have just enough room for a 40m half-wave in the attic, which is the ultimate goal.

For digital modes, it looks like there are sort of 3 classes of radio:

  • "full digital" where the radio has e.g. a USB port and handles audio, transmit, and frequency set.
  • Some computer-control with RS232, but uses computer audio+adapter to transmit.
  • No digital, use adapter to transmit. This is what the current setup uses (and it works great!)

I'm leaning towards a conventional transceiver, e.g., something from ICOM, Kenwood, Yaesu, (or others) rather than an SDR unit. I'd like the ability to go up to 50-100W if possible.

I don't have a hard-and-fast budget; would like to keep it <$1000 if possible; mostly just looking at used transceivers. Something like a Kenwood TS-590 looks pretty amazing and very "plug-and-play" (but pushing up against price). Something like a Yaesu FT-920 looks pretty feature-rich too; and even something more affordable like an ICOM 706 or even a 725 is probably more radio than I need. Or just grab a new 7300 and call it a day!

Anyway...clearly, I don't know exactly what I want, but figured I'd ask folks with more experience if they have any wisdom. Thanks!

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