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Browser Errors vs. Link Lights: Demystifying Network Connectivity with the OSI Model
Browser Errors vs. Link Lights: Demystifying Network Connectivity with the OSI Model We’ve all been there: you open your web browser, eager to surf the net, only to be greeted by the dreaded “There is no Internet connection” message. It’s frustrating, but understanding how your computer connects to the internet can turn that frustration into…
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Installing a desktop environment on the HP Omen
`dmidecode | grep -A8 ‘^System Information’` tells me that the Manufacturer is HP and Product Name is OMEN Transcend Gaming Laptop 14-fb0xxx I’m provisioning a new piece of hardware for my eng consultant and it’s proving more difficult than I expected. I must admit guilt for some of this difficulty. Instead of installing using the…
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IPv6 Multicast support on libvirt guests using macvtap
# # Debian / libvirt # # By default, qemu guests network interfaces are created with the # trustGuestRxFilters attribute set to no. This setting blocks # neighbor solicitation and other ipv6 multicast traffic. To enable # neighbor solicitations, modify your interface definition in your # guest definition XML. # For example if you have…
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First taste of Debian 12
As some of you may know, the Debian project released v12, bookworm to stable on the 10th of this month. I haven’t had a reason to try it yet, but I’m downloading it now. My first thought is that it’s much larger than I expected. The normal sized version used to fit on a CD-ROM…
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Recovering videos from DV tapes with Canon ZR80
I am recovering some tapes from back in the day that some of you may enjoy. Here is a log of the process so that maybe you can recover some of your own DV tapes. Seems to work well in modern Debian. To attach to the camcorder, I used a PCI-e card that has an…
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The woes of 520-byte sectors
A couple years ago, I bought a 12G/s SAS disk to see if I could get it to work with the RAID controller with external SFF-8088 ports which came with the system I got while I was working at The Linux Foundation. I got an enclosure to go with it because I was enthusiastic and…
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I’m running an ethereum node
cjac@server0:~/Downloads/geth-linux-amd64-1.8.14-316fc7ec$ df -h ~/.ethereum/ Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg00-ethereum 148G 130G 11G 93% /home/cjac/.ethereum this was from before I ran ./geth –syncmode “fast” –cache=1024
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OpenDaylight Symposium 2016
I’ll write this later. Keywords and notes inline Cloud 5G AT&T Ericsson SDN FD.io Cisco Intel Linux Debian Ubuntu Open Source Hydrogen Helium Lithium OSI stack Usability Developers and users working together. Fast Dev/Test cycles Sessions start at 10:30 Message bus Minimal install needs to be smaller Most functionalities must be implemented in modules Upgrade…
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Some work on a VyOS image with Let’s Encrypt certs
I put some packages together this weekend. It’s been a while since I’ve debuilt anything officially. libffi-platypus-perl libalien-base-perl libalien-ffi-perl libffi-checklib-perl libshell-config-generate-perl libshell-guess-perl The plan is to build a binding to the libgnutls.so.30 API. The certtool CSR (REQ) generation interface does not allow me to create a CRL with “not critical” attributes set on purposes. Maybe…
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LLC-Technologies-Collier/Demo-SCCC-Byte-AngularJS
Hello dear readers and attendees, This is the post that I will be/ will have been referencing during my presentation to the Seattle Central Community College’s Byte club on Thursday, December 10th at 1500-1630. I will begin with a bit of an autobio and find out what kind of students we have in attendance. Please…