Search found 198 matches
- Thu Nov 09, 2017 11:37 am
- Forum: Troubleshooting
- Topic: Green LED blinks 30 times on shutdown
- Replies: 5
- Views: 1033
Green LED blinks 30 times on shutdown
I have been used to waiting for the 10 blinks on shutdown of jessie-lite. I'm on "full" stretch now, and seeing the green LED flash 30 times on shutdown. Is this the new normal, or has my Pi gained consciousness and is trying to tell me not to shut it off?
- Wed Nov 08, 2017 11:06 pm
- Forum: Troubleshooting
- Topic: Intermittent WiFi and apt-get errors only with Pi3 built-in
- Replies: 2
- Views: 552
Re: Intermittent WiFi and apt-get errors only with Pi3 built-in
Do you plan on using two wifi devices? If so, you should use persistent network names. Otherwise, it is almost impossible to tell which names they will use. How is the signal after you reboot? Use iwconfig to check. Plan: No I don't want to need the dongle, but the on-board is no long working well ...
- Wed Nov 08, 2017 7:08 pm
- Forum: Troubleshooting
- Topic: Intermittent WiFi and apt-get errors only with Pi3 built-in
- Replies: 2
- Views: 552
Intermittent WiFi and apt-get errors only with Pi3 built-in
Issue: Intermittent WiFi over built-in Pi3 interface, "Release file not found" on apt-get update Work-around: Use USB WiFi dongle (or wired Ethernet) for wlan0 (try reboot again if dongle configures as wlan1) Aspects: ifconfig shows no packet errors or dropped packets. Issue seen on Jessie...
- Tue Nov 07, 2017 2:46 pm
- Forum: Other projects
- Topic: Project: Running BOINC Distributed Computing
- Replies: 0
- Views: 714
Project: Running BOINC Distributed Computing
I didn't see a BOINC project thread - sorry if this is a dup. I have a desktop Pi3 which has nothing to do for most of the day, so I installed BOINC and joined the RaspberryPi team running Einstein@home tasks. I also configured 25% of my BOINC processing to go to the SETI@Home project. Originally, m...
- Tue Nov 07, 2017 12:20 pm
- Forum: Troubleshooting
- Topic: Installed packages disappear after reboot
- Replies: 7
- Views: 2327
Re: Installed packages disappear after reboot
I have had two Samsung EVO 16g cards “die” with this same MO over the last year.
- Tue Nov 07, 2017 12:31 am
- Forum: Python
- Topic: pip install is throwing lots of errors
- Replies: 7
- Views: 7370
Re: pip install is throwing lots of errors
Thank you, that seems to have done the trick.
$ sudo pip install --upgrade setuptools
- Mon Nov 06, 2017 12:11 pm
- Forum: Troubleshooting
- Topic: “apt-get update” fails
- Replies: 10
- Views: 6112
Re: “apt-get update” fails
See those ipv6 addresses?
Try disabling ipv6:
$ sudo nano /boot/cmdline.txt
And add at end of file this:
ipv6.disable=1
(Ctrl-x, y, return)
$ sudo reboot now
Now try your update again.
Try disabling ipv6:
$ sudo nano /boot/cmdline.txt
And add at end of file this:
ipv6.disable=1
(Ctrl-x, y, return)
$ sudo reboot now
Now try your update again.
- Sat Nov 04, 2017 10:26 pm
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
Solved Sort Of: My robot can't jump - (the hurdles to "Stretch")
It appears this particular Pi3 may have developed a built-in WIFI problem. It was working fine for the prior six months. Then I had the SD card go "read-only", and now this. I tried curl http://mirrors.ocf.berkeley.edu/raspbian/raspbian/dists/stretch/Release. On my mac it succeeds. On my D...
- Fri Nov 03, 2017 1:30 am
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
Re: My robot can't jump - (the hurdles to update "Stretch")
Someone, please tell me what is wrong in my world? This is the Stretch experience: 1) downloaded 2017-09-07-raspian-stretch.zip 2) put it on 16gb card with Etcher (using Mac) 3) Pull out, reinsert card to mount boot partition 4) add wpa_supplicant.conf to boot partition: country=US ctrl_interface=D...
- Thu Nov 02, 2017 1:33 pm
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
Re: My robot can't jump - (the hurdles to "Stretch")
I don't think this is a DNS issue. When I browse the archive, the armhf package really does not exist - only binary-armhf exists, in both main/ and ui/ Err http://archive.raspberrypi.org jessie/main armhf Packages 404 Not Found [IP: 93.93.135.188 80] Err http://archive.raspberrypi.org jessie/ui armh...
- Thu Nov 02, 2017 11:23 am
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
Re: My robot can't jump - (the hurdles to "Stretch")
Okay, that got me curious, so I made two freshly imaged SD cards with the last Jessie and the current Stretch and tested them both in my Pi Zero with a Raspbian compatible USB WiFi dongle. This leaves me wondering if you are having DNS issues with your ISP? Try changing your DNS to OpenDNS or Googl...
- Thu Nov 02, 2017 3:44 am
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
Re: My robot can't jump - (the hurdles to "Stretch")
Going back to Jessie is actually a fine option, Actually, something too weird - 2017-07-05-raspbian-jessie complains about the same files missing, and tries IPv6. The IPv4 issue I can fix, but the missing files on a clean install, makes me question the repositories: $ sudo apt-get -o Acquire::Force...
- Wed Nov 01, 2017 3:24 pm
- Forum: Raspberry Pi OS
- Topic: My robot can't jump - (the hurdles to "Stretch")
- Replies: 12
- Views: 2324
My robot can't jump - (the hurdles to "Stretch")
My "jessie-lite" robot recently had its SD card turn read only, so I decided to try rebuilding it on Stretch. The initial hurdles make me wonder if my 17 year old robot should wait until Stretch gets over "growing pains". The first two steps in my build process are: 1) update the...
- Wed Nov 01, 2017 11:52 am
- Forum: Python
- Topic: pip install is throwing lots of errors
- Replies: 7
- Views: 7370
Re: pip install is throwing lots of errors
Also tried:
StackExchange post suggested "remove /usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl" worked for that person.
Code: Select all
$sudo mv /usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl /usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl.bak
- Wed Nov 01, 2017 11:49 am
- Forum: Python
- Topic: pip install is throwing lots of errors
- Replies: 7
- Views: 7370
Re: pip install is throwing lots of errors
Thank you for the reply. No luck for me: pi@RWPi:~ $ sudo pip install --upgrade requests Exception: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main status = self.run(options, args) File "/usr/lib/python2.7/dist-packages/...
- Wed Nov 01, 2017 2:48 am
- Forum: Python
- Topic: pip install is throwing lots of errors
- Replies: 7
- Views: 7370
pip install is throwing lots of errors
I just installed 2017-09-17-stretch and seeing lots of errors when attempting a pip install speedtest-cli. Any clues? sudo pip install speedtest-cli Collecting speedtest-cli Exception: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, ...
- Wed Nov 01, 2017 2:39 am
- Forum: Troubleshooting
- Topic: sudo apt-get update uses IPv6 - have to force IPv4 to succeed
- Replies: 4
- Views: 2895
sudo apt-get update uses IPv6 - have to force IPv4 to succeed
I successfully installed 2017-09-17-stretch (full) headless with wpa_supplicant.conf: country=US ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network={ ssid="MYWIFISSID" psk="MY11CHARPASSKEY" key_mgmt=WPA-PSK } When I try to update, it is using IPv6 $ s...
- Wed Nov 01, 2017 2:03 am
- Forum: Troubleshooting
- Topic: Loosing my head over headless...
- Replies: 42
- Views: 5354
Re: Loosing my head over headless...
Edit: A quick Google search shows maybe you should use an app named TextEdit instead of textapp. TextEdit is the editor I used. I discovered my problem: I had copied the text from a web page and pasted it into TextEdit. The quote chars from the web were the Unicode left/right double quote!! My old,...
- Tue Oct 31, 2017 6:01 pm
- Forum: Automation, sensing and robotics
- Topic: Python and Robotics
- Replies: 4
- Views: 4094
Re: Python and Robotics
I use Python on my robot. There are great open source examples of Python available for the GoPiGo robot. BTW, GoPiGO is a well designed robot, with excellent forum for their users, and educators. If I was starting out to build a robot again, I believe the GoPiGo is the best platform and support syst...
- Tue Oct 31, 2017 5:34 pm
- Forum: Automation, sensing and robotics
- Topic: Powering a RaspberyPi for a moving robot. (Solved)
- Replies: 5
- Views: 1753
Re: Powering a RaspberyPi for a moving robot. (Solved)
Is there a power cell or a power pack I should look for in particular for this issue? To give good suggestions, we need to know a little more about your robot, such as: 1) Which Raspberry Pi board are you powering? 2) Are all the motors/servos powered separately from the Pi board? 3) How much run t...
- Tue Oct 31, 2017 1:32 pm
- Forum: Troubleshooting
- Topic: Loosing my head over headless...
- Replies: 42
- Views: 5354
Re: Loosing my head over headless...
Did you not read my posts? I just did two headless installs that went fine. "Works for me" really doesn't feel good to those of us that are seeing this issue. You may be onto something about what editor is used to create the wpa_supplicant.conf file. My recent headless stretch flogging se...
- Tue Oct 31, 2017 11:45 am
- Forum: Troubleshooting
- Topic: is the raspian mirror server down?
- Replies: 19
- Views: 10061
Re: is the raspian mirror server down?
Anyone know if there is a work around mirror? You could (temporarily) change the URL in /etc/apt/sources.list to one of the mirrors: https://www.raspbian.org/RaspbianMirrors http://mirrordirector.raspbian.org/raspbian/ is not working for me at the moment, so tried: deb http://raspbian.mirrors.wvsta...
- Tue Oct 31, 2017 1:46 am
- Forum: Troubleshooting
- Topic: Raspbian Stretch: Wifi not starting on boot
- Replies: 94
- Views: 160225
Re: Raspbian Stretch: Wifi not starting on boot
I just finished two days of flogging with "wlan0 not associated" with 2017-09-07-raspbian-stretch on a Pi3 that was playing nice under jessie-lite. I tried the headless method with: wpa_supplicant.conf per the thread head: country=US ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev ...
- Mon Oct 30, 2017 7:20 pm
- Forum: Advanced users
- Topic: Can Allowing Throttling Optimize Processing Throughput?
- Replies: 2
- Views: 893
Re: Can Allowing Throttling Optimize Processing Throughput?
solid aluminum case Indeed, that worked very nicely till I wanted to add a LIFePO4 UPS to protect my SD card from power failures. Pi3 is mounted vertically (on edge) in free air. A 15mm cube heat sink is stuck on with 3M thermal tape. That is how I was running with the UPS until I came home and fou...
- Sun Oct 29, 2017 2:40 pm
- Forum: Advanced users
- Topic: Can Allowing Throttling Optimize Processing Throughput?
- Replies: 2
- Views: 893
Can Allowing Throttling Optimize Processing Throughput?
I am wondering if optimal processing on my Pi3 might result from allowing short bursts of temperature caused throttling. I have been running Einstein@Home/BOINC on my Pi3 with load limits tuned to prevent temperature throttling. At these settings, the temperature hovers around 71 degrees C, and will...