James Morris
@jamesmorris.bsky.social
Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
See also: https://social.kernel.org/jmorris
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics
See also: https://social.kernel.org/jmorris
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics
📢 🐧 The videos from LSS-EU 🇪🇺 2025 in Amsterdam 🇳🇱 are now up!
📺 Here is the playlist:
youtube.com/playlist?lis...
📺 Here is the playlist:
youtube.com/playlist?lis...
September 10, 2025 at 9:53 PM
📢 🐧 The videos from LSS-EU 🇪🇺 2025 in Amsterdam 🇳🇱 are now up!
📺 Here is the playlist:
youtube.com/playlist?lis...
📺 Here is the playlist:
youtube.com/playlist?lis...
At Linux Security Summit Europe in Amsterdam.
Current talk is on FineIBT Enhanced, with Scott Constable & Sebastian Österlund.
lsseu2025.sched.com/event/25GEN/fi…
Follow event info here: social.kernel.org/LinuxSecSummit#linuxsecuritysummitit
Current talk is on FineIBT Enhanced, with Scott Constable & Sebastian Österlund.
lsseu2025.sched.com/event/25GEN/fi…
Follow event info here: social.kernel.org/LinuxSecSummit#linuxsecuritysummitit
August 29, 2025 at 8:06 AM
At Linux Security Summit Europe in Amsterdam.
Current talk is on FineIBT Enhanced, with Scott Constable & Sebastian Österlund.
lsseu2025.sched.com/event/25GEN/fi…
Follow event info here: social.kernel.org/LinuxSecSummit#linuxsecuritysummitit
Current talk is on FineIBT Enhanced, with Scott Constable & Sebastian Österlund.
lsseu2025.sched.com/event/25GEN/fi…
Follow event info here: social.kernel.org/LinuxSecSummit#linuxsecuritysummitit
🐧 The videos from the 2025 Linux Security Summit North America (LSS-NA) are now up on youtube! 📺
Click here ▶️ youtube.com/playlist?lis...
#linux #infosec #linuxsecuritysummit #security #linuxfoundation
Click here ▶️ youtube.com/playlist?lis...
#linux #infosec #linuxsecuritysummit #security #linuxfoundation
Linux Security Summit North America 2025 - YouTube
youtube.com
July 2, 2025 at 7:09 PM
🐧 The videos from the 2025 Linux Security Summit North America (LSS-NA) are now up on youtube! 📺
Click here ▶️ youtube.com/playlist?lis...
#linux #infosec #linuxsecuritysummit #security #linuxfoundation
Click here ▶️ youtube.com/playlist?lis...
#linux #infosec #linuxsecuritysummit #security #linuxfoundation
Follow the Linux Security Summit North America 2025 here: social.kernel.org/notice/AvWhX...
#linux #infosec @linuxfoundation.org
#linux #infosec @linuxfoundation.org
Linux Security Summit 🐧 (@LinuxSecSummit@social.kernel.org)
Linux Security Summit North America 2025 kicking off now in Denver, Colorado. No livestream (alas) but videos will be available after the conference. #linux #linuxsecuritysummit @lwn @linuxfoundat...
social.kernel.org
June 26, 2025 at 4:37 PM
Follow the Linux Security Summit North America 2025 here: social.kernel.org/notice/AvWhX...
#linux #infosec @linuxfoundation.org
#linux #infosec @linuxfoundation.org
"If you think you understand Fldigi, you don't understand Fldigi." - Richard Feynman.
#hamradio #amateurradio #fldigi
#hamradio #amateurradio #fldigi
June 25, 2025 at 5:20 AM
"If you think you understand Fldigi, you don't understand Fldigi." - Richard Feynman.
#hamradio #amateurradio #fldigi
#hamradio #amateurradio #fldigi
Reposted by James Morris
I just published the fifth #Landlock newsletter! 🤓
- new kernel features: IPC scoping and audit logs
- kernel fixes
- library and talk updates
- new doc
- new open source Landlock users
- RHEL support
lore.kernel.org/landlock/202...
- new kernel features: IPC scoping and audit logs
- kernel fixes
- library and talk updates
- new doc
- new open source Landlock users
- RHEL support
lore.kernel.org/landlock/202...
May 19, 2025 at 2:55 PM
I just published the fifth #Landlock newsletter! 🤓
- new kernel features: IPC scoping and audit logs
- kernel fixes
- library and talk updates
- new doc
- new open source Landlock users
- RHEL support
lore.kernel.org/landlock/202...
- new kernel features: IPC scoping and audit logs
- kernel fixes
- library and talk updates
- new doc
- new open source Landlock users
- RHEL support
lore.kernel.org/landlock/202...
📢 🐧 🇪🇺 The schedule for Linux Security Summit Europe (LSS-EU) 2025 is now up:
🏰 events.linuxfoundation.org/linux-securi...
LSS-EU will be co-located with OSS-EU in Amsterdam, NL, on 28-29 August 2025.
For more info, see:
🏤 events.linuxfoundation.org/linux-securi...
#linux linuxsecuritysummit
🏰 events.linuxfoundation.org/linux-securi...
LSS-EU will be co-located with OSS-EU in Amsterdam, NL, on 28-29 August 2025.
For more info, see:
🏤 events.linuxfoundation.org/linux-securi...
#linux linuxsecuritysummit
Schedule | LF Events
28 – 29 August 2025 Please note: All sessions are in Central European Summer Time (CEST / UTC+2). To view the schedule at your preferred time, please choose your location on the right-hand navigation…
events.linuxfoundation.org
June 13, 2025 at 9:29 PM
📢 🐧 🇪🇺 The schedule for Linux Security Summit Europe (LSS-EU) 2025 is now up:
🏰 events.linuxfoundation.org/linux-securi...
LSS-EU will be co-located with OSS-EU in Amsterdam, NL, on 28-29 August 2025.
For more info, see:
🏤 events.linuxfoundation.org/linux-securi...
#linux linuxsecuritysummit
🏰 events.linuxfoundation.org/linux-securi...
LSS-EU will be co-located with OSS-EU in Amsterdam, NL, on 28-29 August 2025.
For more info, see:
🏤 events.linuxfoundation.org/linux-securi...
#linux linuxsecuritysummit
⌛ The CFP for All Systems Go! 2025 closes on Friday; in 2 days!
📌 Submit your proposal about foundational user-space Linux technologies now! cfp.all-systems-go.io/all-systems-...
ℹ️ Learn more about All Systems Go!: all-systems-go.io
📌 Submit your proposal about foundational user-space Linux technologies now! cfp.all-systems-go.io/all-systems-...
ℹ️ Learn more about All Systems Go!: all-systems-go.io
a cartoon character with a tin foil hat says we don 't have much time
ALT: a cartoon character with a tin foil hat says we don 't have much time
media.tenor.com
June 11, 2025 at 5:53 PM
Curious. I gather all of these traces need to be the same length.
May 16, 2025 at 1:27 AM
Curious. I gather all of these traces need to be the same length.
Reposted by James Morris
New blog post: "Designing a low-cost high-performance 10 MHz - 15 GHz vector network analyzer".
hforsten.com/designing-a-...
hforsten.com/designing-a-...
Designing a low-cost high-performance 10 MHz - 15 GHz vector network analyzer
Designing a cheap two-port vector network analyzer with good measurement accuracy.
hforsten.com
April 15, 2025 at 12:56 PM
New blog post: "Designing a low-cost high-performance 10 MHz - 15 GHz vector network analyzer".
hforsten.com/designing-a-...
hforsten.com/designing-a-...
Reposted by James Morris
"In 1943, she left Pittsburgh for officer training at Smith College, in Massachusetts, where she took courses on cryptology, physics and naval history."👩🔬 🎢
Julia Parsons, a U.S. Navy code breaker during World War II who was among the last survivors of a top-secret team of women that unscrambled messages to and from German U-boats, has died at 104.
Julia Parsons, U.S. Navy Code Breaker During World War II, Dies at 104
Soon after her officer training in Washington, she was recruited to a classified code-breaking team. She kept her work secret for decades, even from her family.
www.nytimes.com
May 1, 2025 at 3:02 PM
"In 1943, she left Pittsburgh for officer training at Smith College, in Massachusetts, where she took courses on cryptology, physics and naval history."👩🔬 🎢
Reposted by James Morris
Personally I think this is a great time to just be insane
April 24, 2025 at 4:21 AM
Personally I think this is a great time to just be insane
Nice TPM breakout board.
🔐 The SLB 9670VQ2.0 FW7.85 SPI TPM module sounds like something your cat would type mid-zoom call — but it's actually a serious piece of security hardware.
May 1, 2025 at 5:34 PM
Nice TPM breakout board.
Reposted by James Morris
📣 The CFP for All Systems Go!, the foundational user-space Linux technologies conference, is now open. We look forward to your proposals.
⏲️ The deadline is June 13th.
ℹ️ To submit and learn more visit 👉 cfp.all-systems-go.io/all-systems-...
🎟️ Tickets will be available starting early April.
⏲️ The deadline is June 13th.
ℹ️ To submit and learn more visit 👉 cfp.all-systems-go.io/all-systems-...
🎟️ Tickets will be available starting early April.
All Systems Go! 2025
Schedule, talks and talk submissions for All Systems Go! 2025
cfp.all-systems-go.io
March 19, 2025 at 4:27 PM
📣 The CFP for All Systems Go!, the foundational user-space Linux technologies conference, is now open. We look forward to your proposals.
⏲️ The deadline is June 13th.
ℹ️ To submit and learn more visit 👉 cfp.all-systems-go.io/all-systems-...
🎟️ Tickets will be available starting early April.
⏲️ The deadline is June 13th.
ℹ️ To submit and learn more visit 👉 cfp.all-systems-go.io/all-systems-...
🎟️ Tickets will be available starting early April.
🐧 📢 🇪🇺 🌍 Just over a week left to submit proposals for Linux Security Summit Europe (LSS-EU) 2025 in Amsterdam!
👉 events.linuxfoundation.org/linux-securi...
CfP close: Tues 8th May.
Speaker notifications: Thursday, 29 May.
Event: August 28-29. 2025.
#linux #linuxsecuritysummit #linuxfoundation
👉 events.linuxfoundation.org/linux-securi...
CfP close: Tues 8th May.
Speaker notifications: Thursday, 29 May.
Event: August 28-29. 2025.
#linux #linuxsecuritysummit #linuxfoundation
Linux Security Summit Europe | LF Events
A technical forum for collaboration between Linux developers, researchers, and end users to foster community efforts in solving Linux security challenges.
events.linuxfoundation.org
May 1, 2025 at 6:10 AM
🐧 📢 🇪🇺 🌍 Just over a week left to submit proposals for Linux Security Summit Europe (LSS-EU) 2025 in Amsterdam!
👉 events.linuxfoundation.org/linux-securi...
CfP close: Tues 8th May.
Speaker notifications: Thursday, 29 May.
Event: August 28-29. 2025.
#linux #linuxsecuritysummit #linuxfoundation
👉 events.linuxfoundation.org/linux-securi...
CfP close: Tues 8th May.
Speaker notifications: Thursday, 29 May.
Event: August 28-29. 2025.
#linux #linuxsecuritysummit #linuxfoundation
Reposted by James Morris
kelsey piper has this one tweet that says "we're not doomed, we just have a big to-do list" and i think about it 30x a day
April 16, 2025 at 4:37 PM
kelsey piper has this one tweet that says "we're not doomed, we just have a big to-do list" and i think about it 30x a day
📢 🐧 The schedule for LSS-NA (Linux Security Summit North America) is published:
➡ events.linuxfoundation.org/linux-securi...
LSS-NA is co-located with the Open Source Summit in Denver, Colorado, USA. June 27-26.
.
.
.
#linux #infosec #linuxsecuritysummit #kernel #security
cc @linuxfoundation.org
➡ events.linuxfoundation.org/linux-securi...
LSS-NA is co-located with the Open Source Summit in Denver, Colorado, USA. June 27-26.
.
.
.
#linux #infosec #linuxsecuritysummit #kernel #security
cc @linuxfoundation.org
Schedule | LF Events
All session times are listed below in Mountain Daylight Time (PDT). To view the schedule at your preferred time, please choose your location on the right-hand navigation panel under “Timezone”.
events.linuxfoundation.org
April 2, 2025 at 8:54 PM
📢 🐧 The schedule for LSS-NA (Linux Security Summit North America) is published:
➡ events.linuxfoundation.org/linux-securi...
LSS-NA is co-located with the Open Source Summit in Denver, Colorado, USA. June 27-26.
.
.
.
#linux #infosec #linuxsecuritysummit #kernel #security
cc @linuxfoundation.org
➡ events.linuxfoundation.org/linux-securi...
LSS-NA is co-located with the Open Source Summit in Denver, Colorado, USA. June 27-26.
.
.
.
#linux #infosec #linuxsecuritysummit #kernel #security
cc @linuxfoundation.org
Hackers will literally buy a wire bonder instead of going to therapy.
#amateurradio #hamradio #rf #mmic #microwave #mmwave #millimeterwave #electronics #semiconductor #punk
#amateurradio #hamradio #rf #mmic #microwave #mmwave #millimeterwave #electronics #semiconductor #punk
April 1, 2025 at 4:42 PM
Hackers will literally buy a wire bonder instead of going to therapy.
#amateurradio #hamradio #rf #mmic #microwave #mmwave #millimeterwave #electronics #semiconductor #punk
#amateurradio #hamradio #rf #mmic #microwave #mmwave #millimeterwave #electronics #semiconductor #punk
Reposted by James Morris
Picked back up the work for VFS {g,u}id squashing. IOW, mapping all {g,u}ids down to a single {g,u}id.
web.git.kernel.org/pub/scm/linu...
web.git.kernel.org/pub/scm/linu...
kernel/git/vfs/vfs.git - VFS tree
web.git.kernel.org
March 11, 2025 at 8:31 PM
Picked back up the work for VFS {g,u}id squashing. IOW, mapping all {g,u}ids down to a single {g,u}id.
web.git.kernel.org/pub/scm/linu...
web.git.kernel.org/pub/scm/linu...
Reposted by James Morris
Reposted by James Morris
and at the heart of Arduino’s 20-year journey is an incredible global community driven by knowledge, creativity, and passion. On the final day of our celebration, we pay tribute to the educators, makers, and learners who bring our philosophy to life through every project, lesson, and discovery.
March 22, 2025 at 9:27 PM
and at the heart of Arduino’s 20-year journey is an incredible global community driven by knowledge, creativity, and passion. On the final day of our celebration, we pay tribute to the educators, makers, and learners who bring our philosophy to life through every project, lesson, and discovery.
Managed to install the 3 NLB-310 MMIC amps backwards. Which I was specifically hoping to avoid.
(They are the round black components — which amplify microwave signals.)
#amateurradio #microwave #rf #electronics
(They are the round black components — which amplify microwave signals.)
#amateurradio #microwave #rf #electronics
March 22, 2025 at 9:41 PM
Managed to install the 3 NLB-310 MMIC amps backwards. Which I was specifically hoping to avoid.
(They are the round black components — which amplify microwave signals.)
#amateurradio #microwave #rf #electronics
(They are the round black components — which amplify microwave signals.)
#amateurradio #microwave #rf #electronics
Reposted by James Morris
#USHB1094: Amateur Radio Emergency Preparedness Act
Status: Referred to the House Committee on Energy and Commerce. 2025-02-06
Sponsors:
- Republican: 2
- Democrat: 1
Status: Referred to the House Committee on Energy and Commerce. 2025-02-06
Sponsors:
- Republican: 2
- Democrat: 1
More Info
HB1094: Amateur Radio Emergency Preparedness Act
www.congress.gov
March 22, 2025 at 5:40 AM
#USHB1094: Amateur Radio Emergency Preparedness Act
Status: Referred to the House Committee on Energy and Commerce. 2025-02-06
Sponsors:
- Republican: 2
- Democrat: 1
Status: Referred to the House Committee on Energy and Commerce. 2025-02-06
Sponsors:
- Republican: 2
- Democrat: 1
"The electronics hidden inside the TV were adversely affected by the plasma channel."
Btw, wondering if this could be enhanced with more grounding?
Btw, wondering if this could be enhanced with more grounding?
"Ah, the familiar shock wave. I just hope the neighbors aren't too upset." #science #engineering #maker
www.youtube.com/watch?v=lix-...
www.youtube.com/watch?v=lix-...
Firing the Lorentz Plasma Cannon
YouTube video by LightningOnDemand
www.youtube.com
March 16, 2025 at 6:49 PM
"The electronics hidden inside the TV were adversely affected by the plasma channel."
Btw, wondering if this could be enhanced with more grounding?
Btw, wondering if this could be enhanced with more grounding?
Where I'm at with 3D printing.
March 15, 2025 at 1:41 AM
Where I'm at with 3D printing.