check current value
sysctl net.ipv4.ip_forward
set to enabled
sudo sysctl net.ipv4.ip_forward=1
Persist across boots
sudo nano /etc/sysctl.conf
# Uncomment the next line to enable packet forwarding for IPv4 #net.ipv4.ip_forward=1
reference:
--30--
Tuesday, June 23, 2020
enable port forwarding on ubuntu
Saturday, June 13, 2020
Compupro / Viasyn 816 / 286 system
Here's a compupro S100 system which is pretty nice. All of the cards are 5v. It has a Quantum Q540 26mb hard drive, floppy, an floppy attached tape.
Not sure if it works. Acquired some time ago in a trade, but not fired up then.
Contents: Links to manuals on s100 computers
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| CPU 286 |
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| Rear panel |
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| View of system. Serial ports in foreground |
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| System Support 1 |
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| Disk 3 |
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| RAM22 256K Sram |
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| Disk 3 interface |
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| Disk 1A options |
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| Disk 1A badge |
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| Disk 1A options closeup |
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| Disk 3 options |
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| Disk 3 badge |
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| System Support Board |
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| System Support Board Options |
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| CPU 286 options |
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| Quantum Q540 36MB disk ST-506 |
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| CPU 286 board |
--30--
Saturday, February 29, 2020
Bob's places
A lot of stuff removed from these two old houses.
former properties of a friend who had many toys and lots of enjoyment that passed away last year. We were wondering what happened to the properties, so today we went by and got some photos.
One of the corner houses has the unique attribute of being blocked and blurred on Google Street View which takes a lot of suck to pull off.
Originally whoever lives there (won't pass rumors here) had gotten Google to put in an actual gap in coverage which blocked out his house and 2 houses either side of his. That excluded my friend's house.
Now the street is present but his house is completely obscured by the kind of blur Google puts over faces, and identifying marks and the like.
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blurred house
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main house
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second house from across street
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peeking over the fence front of second house
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back yard of second house. alley gate had been forced, a gap present. Not a new problem
--30--
Saturday, February 1, 2020
Spectracom 8161 WWV receiver and reference oscillator
This is pretty cool. This has a WWV receiver built in, and a disciplined oscillator. There is also a phase comparator which also has a display printer.
Beats the input to the reference, and shows the phase difference graphically on a chart.
Inside views as well as the outside.
Ebay photos on top
My unit, under the covers
NBS output output from over the air.
Local Input signal to test
Comparator comparator control
Standard output output of signal for external testing
Selector for beat frequency.
Reference outputs, 100 khz, 1 mhz, 5 mhz, 10 mhz
Molex output block. Includes battery inputs. Antenna connection there.
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