techjunkie

Me leaving the centralized mining pool and reconfiguring my #bitaxe for solo mining…#bitcoin
https://video.nostr.build/88d38ed6e3f4a4748fe573366a29db33fc523747194b54e09320fc24db2b93c9.mp4

2026-01-20 10:25:29 UTC

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We love Trump for hammering globalist socialist scum like Macron.

2026-01-19 19:39:40 UTC

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Interesting, it seems to load in the coordinator on an android/osx device but not on an ios device… no matter what browser i try.. same internet connection

2026-01-19 16:06:03 UTC

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The UK is in a serious situation but not because of Trump.

2026-01-19 16:01:24 UTC

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Epic response

2026-01-19 16:00:40 UTC

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Ok cool. Is it working already though? Installed it and I cant seem to select a ‘coordinator’
https://image.nostr.build/9533d88845215e99fe6d1f250ebe578a1fed1954fdc742434d9080853f28f099.jpg

2026-01-19 08:12:23 UTC

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https://boltz.exchange is the best imo

2026-01-19 07:53:52 UTC

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Didn’t know this existed but we will be visiting Poland soon now to test it out and spend some sats.

2026-01-19 01:22:16 UTC

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Monero has privacy leaks and hashrate is laughable resulting in reorgs and an insecure network. You’re getting duped if you think its untraceable. At least Bitcoin has lightning.
https://moneroleaks.xyz/

2026-01-19 01:17:03 UTC

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@npub14ue…7gam is working on ways to circumvent mafia corpo Internet

2026-01-19 01:11:29 UTC

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Use @npub1536…pswl

2026-01-19 01:10:27 UTC

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Treasury companies can’t change the protocol and have no more control over it than you or me because it’s a Proof of Work protocol. It’s all just FUD to make you sell your stack.

2026-01-12 00:59:39 UTC

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Check out @keychat and try one of the #nostr client mini apps.

2026-01-12 00:57:35 UTC

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You mean the app? Just updated and works fine for me. Care to elaborate? But usually i just use @npub1536…pswl

2026-01-12 00:49:34 UTC

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https://youtu.be/jXaNyOZ--pc

2026-01-12 00:43:10 UTC

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Just use @npub1vr2…dzvx .. worked great in LATAM and everywhere for me.

2026-01-12 00:35:29 UTC

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Cz = Scammer

2026-01-12 00:32:21 UTC

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Look into border wallets for Bitcoin. Monero is a scam.
https://www.borderwallets.com/

2026-01-12 00:29:11 UTC

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Which game are you looking for? This works for me:)
https://dlhd.link/index.php?cat=Am.+Football+%28NFL%29

2026-01-12 00:24:43 UTC

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Look into @npub1h0u…rwx8

2026-01-02 01:13:21 UTC

#bitcoin https://npub15mvl5c2z72qgluhcl3t8n94fg2q9z5c0nh5gq8z4nd536z4az8ns9e8449.blossom.band/5801c046503ed4e0359e890d6547f177b7b45c26b2bd59dccdb839f61a53ad53.jpg

2026-01-02 00:10:35 UTC

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Have more #bitcoin at the end of the year than at the beginning. Watch all the fiat clown world drama unfold. 🍿

2026-01-02 00:07:48 UTC

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Still deposit in the bank and then buy no-kyc with Bisq or even easier on mobile with @peachbitcoin. Do it with smaller amounts <1000 usd per trade to try and stay under the radar…

2026-01-01 23:43:31 UTC

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@npub1ynn…u3gk MOON

2026-01-01 23:43:07 UTC

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Message the betting bot.. like below:)

2026-01-01 03:19:44 UTC

Happy New Year #bitcoin
https://video.nostr.build/de460d7b5557d402cc7c4039d8127c0b3a91cf96c807137f68fc6bda6a3b18d8.mp4

2025-12-30 18:01:02 UTC

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@npub1536…pswl is recommended

2025-12-30 17:59:40 UTC

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Nope

2025-12-29 23:57:57 UTC

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Of you have android try @npub1kva…tkzv . Works great for me.

2025-12-26 12:24:31 UTC

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i meant a green omega candle

2025-12-26 12:23:01 UTC

@nprofile…f0nc omega candle

2025-12-25 16:51:28 UTC

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Why you need to care? Because this wallet could block access to your bitcoin and has built in functionality to do so. Happened to me. It’s like a bank..

2025-12-25 16:47:38 UTC

@npub1ynn…u3gk moon

2025-12-25 16:27:49 UTC

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Dont use coinos, its custodial and has a account blacklist

2025-12-25 00:18:24 UTC

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Shopping List (Privacy Friendly) on f-droid

2025-12-24 23:06:10 UTC

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Games have been destroyed by Apple and ‘in app purchases’.

2025-12-24 23:03:55 UTC

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Nope, you’re good

2025-12-24 21:00:35 UTC

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Seems legit but fees are outrageous

2025-12-24 20:58:01 UTC

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digikam
photoprism

2025-12-24 00:35:57 UTC

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Have them send fiat to employer strike account and set Strike to autoconvert

2025-12-23 15:50:21 UTC

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I would prefer a jade anytime over a ledger. Just upgrade the firmware.

2025-12-23 15:07:41 UTC

@npub1ynn…u3gk UP

2025-12-23 14:12:12 UTC

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Don’t trust Revolut

2025-12-23 13:38:15 UTC

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Overblown, but definitely update your firmware

2025-12-23 13:21:09 UTC

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Use on-chain for self custody. To pay last mile swap it from liquid into a custodial lightning wallet and pay.

2025-12-23 13:11:28 UTC

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Wow great work, this works for all git commands?

2025-12-19 23:10:57 UTC

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hmm on the store it says 0.3.4 is latest but no option to update. when i check in the app it says 0.3.2 on developer options

2025-12-19 23:08:14 UTC

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I did check updates first. I run a de-googled android obv… Aurora store is showing no updates. Couldn’t install from github without deleting the app first

2025-12-19 22:30:25 UTC

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Depends on for what use case. If you just need it temporarily, its probable better to look into disposable temporary emails

2025-12-19 22:25:39 UTC

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How do you activate the nfc screen?? Just press the history icon top right? Running 0.3.2-beta.14

2025-12-19 22:09:25 UTC

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Not sure about Interac, isn’t @npub18ul…dcl9 the best in Canada?

2025-12-16 18:12:48 UTC

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Not a fan of it, custodial and they have kyc-levels. Also they have limited total transaction amounts per day. You can send usd of lightning though, which is nifty.

2025-12-12 23:04:37 UTC

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Not a podcast but I did enjoy this recap on the history of #banking
https://video.twimg.com/amplify_video/1958951025274232832/vid/avc1/1280x720/wjWdHSesDIsijDBZ.mp4

2025-12-12 21:38:28 UTC

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Tbh it’s Grok not me, but you probably saw that already

2025-12-11 19:20:40 UTC

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On an Umbrel node (which runs on Linux, typically on hardware like a Raspberry Pi), you can monitor CPU and I/O resources using a combination of the built-in web dashboard, optional apps from the Umbrel App Store, and SSH access for more detailed command-line tools. Umbrel's apps run in Docker containers, so monitoring often involves checking both system-level and container-level usage. Below, I'll outline the steps, including how to identify potential bottlenecks (e.g., CPU overload from processing or I/O waits from disk reads/writes, common during blockchain syncs).
### 1. **Using the Umbrel Web Dashboard for Basic Monitoring**
Umbrel provides a simple, built-in view of system resources without needing SSH. This is the easiest starting point for live overviews.
- Access the dashboard: Log in to your Umbrel node via a web browser at `http://umbrel.local` (or your node's IP address, e.g., `http://192.168.x.x`).
- Navigate to **Settings** (gear icon) > Look for the **System** or **Live Usage** section/widget. Here, you'll see real-time metrics for:
- **CPU**: Percentage usage and temperature (especially useful on Raspberry Pi hardware).
- **Memory (RAM)**: Used vs. total available.
- **Storage**: Used space on your drive (e.g., microSD or external SSD/HDD).
- Note: I/O (input/output, like disk read/write speeds) isn't directly shown here, but high storage usage or slow app performance (e.g., Bitcoin sync stalling) can hint at I/O issues. The dashboard updates live but may not be 100% accurate for peak loads—some users report it overestimating CPU.
- If the live usage widget causes high CPU itself (a known issue), you can disable it in settings to reduce overhead.
This is sufficient for casual checks but lacks granular details like per-process or per-container breakdowns.
### 2. **Installing Grafana from the Umbrel App Store for Advanced Monitoring**
For more detailed, graphical real-time monitoring without SSH:
- In the Umbrel dashboard, go to the **App Store** and search for **Grafana** (it's free and officially available).
- Install and launch it. Grafana integrates with Umbrel's system metrics and can display dashboards for:
- CPU usage over time (cores, load average).
- Memory trends.
- Disk I/O (read/write rates, latency).
- Network I/O if relevant.
- Configure dashboards to track specific metrics. This is great for ongoing monitoring and spotting trends, like spikes during app updates or syncs.
### 3. **Using SSH for Detailed Command-Line Monitoring**
For in-depth info, SSH into the node. This gives access to Linux tools for precise CPU and I/O stats. Umbrel runs as user "umbrel" on a Debian-based OS, so you can install additional tools if needed.
#### **How to SSH In**
- From your computer (macOS/Linux terminal or Windows PuTTY/PowerShell):
- Run: `ssh umbrel@umbrel.local` (or replace `umbrel.local` with your node's IP, found in your router or Umbrel settings).
- Password: The same as your Umbrel web dashboard login (default is "umbrel" if unchanged; set a strong one in settings).
- If SSH fails (e.g., "host identification changed" after reflashing), edit your local `~/.ssh/known_hosts` file to remove the old entry.
- Alternatively, use the web terminal: In Umbrel dashboard > **Settings** > **Advanced Settings** > **Terminal** > Select "umbrelOS" and log in with the same credentials (safer for beginners).
Once in, use `sudo` for privileged commands (no additional password needed).
#### **Commands for Monitoring CPU**
- **top** (built-in, no install needed): Run `top` for a live view of CPU usage, processes, and load average.
- Key columns: `%CPU` (per process), load average (1/5/15 min averages; > number of cores indicates overload).
- Press `1` to see per-core usage.
- **htop** (interactive, better than top): If not installed, run `sudo apt update && sudo apt install htop`, then `htop`.
- Shows CPU bars, per-process usage, and sorting (e.g., by CPU with `F6`).
- **uptime**: Quick load average: Run `uptime` (e.g., output like "load average: 1.50, 2.00, 1.80").
- **mpstat** (for multi-core details): Install with `sudo apt install sysstat`, then `mpstat -P ALL 1` (shows per-CPU stats every second).
- **Docker-specific**: Since apps (e.g., Bitcoin, Lightning) run in containers, run `sudo docker stats` for container-level CPU and memory usage. This helps pinpoint if a specific app (like `bitcoin` or `electrs`) is hogging resources.
#### **Commands for Monitoring I/O (Disk/Network)**
- **iostat** (disk I/O stats): Install with `sudo apt install sysstat`, then `iostat -x 1` (extended stats every second).
- Key columns: `tps` (transfers/sec), `await` (wait time in ms), `%util` (disk utilization percentage).
- **iotop** (per-process I/O): Install with `sudo apt install iotop`, then `sudo iotop` (needs root; shows disk read/write by process, like top but for I/O).
- **vmstat**: Run `vmstat 1` for system-wide stats (columns like `bi/bo` for blocks in/out, `wa` for I/O wait time).
- **lsblk**: Run `lsblk -f` to check mounted drives and storage health (e.g., detect if your external SSD is recognized).
- For network I/O (if sync slowness is the issue): `iftop` (install with `sudo apt install iftop`, run `sudo iftop -i eth0` for interface traffic).
Run these in a loop (e.g., add a number like `1` for continuous updates) while stressing the system (e.g., during a blockchain sync) to observe peaks.
### 4. **How to Identify Bottlenecks**
Bottlenecks occur when resources are saturated, causing slowdowns (e.g., app crashes, slow syncs, high temperatures). Use the tools above to diagnose:
- **CPU Bottleneck**:
- Signs: Load average > number of cores (e.g., >4 on Raspberry Pi 4). In `top/htop`, high `%us` (user) or `%sy` (system) CPU, low `%id` (idle). Docker stats showing a container at 100%+ CPU.
- Common causes on Umbrel: Heavy app processing (e.g., Electrs indexing, multiple channels in Lightning), or too many apps running.
- Fix ideas: Close unused apps, upgrade hardware (e.g., better CPU/RAM), or optimize configs (e.g., reduce Bitcoin prune size).
- **I/O Bottleneck** (Disk Read/Write)**:
- Signs: In `top`, high `%wa` (I/O wait >10-20%). In `iostat`, `%util` >80-90%, high `await` (>10-20ms), or queue lengths >1. Slow blockchain sync (e.g., 1% per day) often points here. `iotop` showing high disk activity from Bitcoin/Electrs.
- Common causes: Slow storage (e.g., microSD instead of SSD), corrupted drive, or Tor network (but Tor is more network than disk I/O).
- Fix ideas: Use a faster SSD (NVMe if supported), check for errors with `dmesg | grep error`, restart the node, or verify power supply (undervoltage can cause I/O corruption).
- **General Tips**:
- Compare dashboard/Grafana trends with SSH tools for confirmation.
- Monitor during peak times (e.g., initial sync can max I/O).
- If RAM is low (e.g., via `free -h`), it can cause swapping to disk, mimicking I/O bottlenecks—add more RAM or prune data.
- Logs: Check app logs via dashboard (app > Troubleshoot > Download logs) or SSH (`sudo docker logs <container_name>`) for errors hinting at resource issues.
- If sync is slow, disable Tor temporarily (in Bitcoin app settings) to rule out network bottlenecks.
If issues persist, check the Umbrel Community forums (community.umbrel.com) for hardware-specific advice, or provide logs when asking for help. Always back up your node before tweaking.

2025-12-11 13:56:43 UTC

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I doubt there is a i/o bottleneck with your drive but you could check your cpu/io resources. Mine took very long too.. i just let it cook and thought it was caused by tor.

2025-12-11 13:49:52 UTC

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We don’t need to solve anything. Bitcoin is inevitable. Everybody will just stop accepting all the other garbage as money. It just will take some time because we live with many idiots.

2025-12-11 13:28:38 UTC

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What do we need to setup this sat link? #nevent1q…hacf
#nevent1q…hacf

2025-12-11 13:24:12 UTC

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Move to a jurisdiction with a territorial tax system and a small government. Reduce your online footprint. Move to a bitcoin standard obv. ‘The Sovereign Individual’ is an obvious book. I like ‘Nomad Capitalist’ too.

2025-12-10 18:03:13 UTC

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iOS 26.1 Damus 1.14 (959) aef516a

2025-12-10 10:32:42 UTC

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yes also tried clearing the cache and ran the first aid thingy - nothing works

2025-12-08 23:06:16 UTC

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have you tried rebooting it? probably caused by tor.. maybe allow clearnet ibd if you are not afraid..

2025-12-08 23:02:02 UTC

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https://www.hashlabs.io/

2025-12-08 23:01:13 UTC

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hashlabs seems cool and credible, haven't tested myself though.. do your own research https://www.hashlabs.io/

2025-12-08 22:58:53 UTC

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not sure everything codex does but i tested OpenHands and it was awesome. https://github.com/OpenHands/OpenHands

2025-12-08 22:35:55 UTC

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https://image.nostr.build/9a473ebc48b69717c02e1f50ff9ebb9b0d8c847339c18345f2e39f49a097c883.jpg

2025-12-08 22:26:34 UTC

Why tf is Damus not displaying hyperlinks on ios? Running the latest version. #asknostr

2025-12-08 22:17:53 UTC

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Can anyone send and receive to / from these satellites from any location on earth? Do you need any broadcast/radio license depending on where you are? What pricing are looking at? Its the OSCAR satellite correct? Keep up the great work.

2025-12-08 22:12:08 UTC

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Ok bot thats what i explained. And you can indeed test the restore and do a health check fully offline. Just compare the fingerprint of your wallet. Just do that regularly maybe once a year.

2025-12-08 22:08:05 UTC

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Just vibe code it

2025-12-08 22:05:27 UTC

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Adding passphrase changes the private key. So when adding a passphrase you basically get a new wallet. You can have unlimited number of passphrases to a seed phrase. Each would be a separate wallet. The big advantage is if you store your seedphrase separately from your passphrase, if someone finds the your steel plates with your seedphrase he won’t have access to your funds.

2025-12-08 20:12:05 UTC

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#asknostr

2025-12-08 20:11:50 UTC

Does @npub130m…l29s work? I get lots of vague api errors and the wallet balance always seems fucked up

2025-12-06 03:38:18 UTC

#bitcoin
https://image.nostr.build/5f9a0285d9db810a7ee033165daba15ad5068b00937f3caeb7a1289eea67f8ac.jpg

2025-12-05 13:55:50 UTC

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I like the #nerdaxe or bitaxe gamma

2025-12-04 00:41:36 UTC

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Use @npub14ue…7gam @npub18ce…ulqe

2025-12-01 00:17:21 UTC

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Nothing. Just stream it on https://daddyhd.com/index.php?cat=Motorsport and send it to your chromecast

2025-11-28 19:51:38 UTC

Testing nostr satlink with meme .. @npub14ue…7gam
https://video.nostr.build/c4aa51b9fedc62a8853e17df8e2682630de1cc641da5d4334a612a5ca6c0b237.mp4

2025-11-28 19:43:46 UTC

Testing satellite relay @npub14ue…7gam again .. hello from space @npub18ce…ulqe

2025-11-28 19:03:48 UTC

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@npub18ce…ulqe

2025-11-28 19:01:42 UTC

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😂

2025-11-28 19:00:27 UTC

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So update your config wizard?

2025-11-28 18:14:45 UTC

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seems so

2025-11-28 18:10:07 UTC

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Mine are not rebroadcasted but sats are deducted

2025-11-28 18:07:56 UTC

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You got it backwards and are a victim om the knots propaganda.
But i’m talking more about this coins confiscating censorship BIP they seem to be endorsing and totally destroyed their credibility.

2025-11-28 16:38:04 UTC

Testing Satellite 🛰️ relay ...

2025-11-28 13:23:05 UTC

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Nice but activate the god damn pool for mainnet. Also it should explain changes to bitcoin.conf instead of cmd line flags. Also how to do connect core node on umbrel, start9, raspiblitz etc. And explain if core bitcoin node can run remotely from sv2 apps.

2025-11-28 12:58:46 UTC

Testing @npub14ue…7gam censorship resistant nostr relay… this is epic!
#note1vd7…qgh3

2025-11-28 03:15:46 UTC

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Garbage legislation on top of garbage legislation. It never stops with the EU. We will not comply.

2025-11-28 03:13:40 UTC

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Naval Training Station Farragut, Idaho

2025-11-28 03:10:15 UTC

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Ok Florida is maybe manageable because of warmer climate and a lot of sun. I’m in an area that still has some colder winters and a timespan where the sun hardly rises above the horizon..

2025-11-28 02:30:29 UTC

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I wouldn’t go near it. It’s custodial and if you check out their code you will see they have account blacklists implemented. #bitcoin

2025-11-28 02:24:54 UTC

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Best Mandarin Chinese Bitcoin-only resources 🧵
1 Li Yongle Ep1 (mining basics) https://youtu.be/g_fSistU3MQ
2 Li Yongle Ep2 (keys & transactions) https://youtu.be/pbAVauYsqP0
3 Full Li Yongle series (Bilibili) https://www.bilibili.com/video/av45247943
4 Whitepaper line-by-line (Cui Mian) https://www.bilibili.com/video/BV1TE411B7UT
5 One-hour whitepaper summary https://www.bilibili.com/video/BV1Hh411Z7id
6 Bitcoin Whitepaper Chinese PDF https://bitcoin.org/files/bitcoin-paper/bitcoin_zh_cn.pdf
7 Mastering Bitcoin 3rd Ed (Chinese PDF) https://berryjam.github.io/mastering-bitcoin-3rd/book.pdf
8 The Bitcoin Standard (Chinese PDF) https://homeofpdf.com/detail-250e4a508561fa0da50b846adac806c3.html
9 8BTC Bitcoin forum https://www.8btc.com/bitcoin