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by FTrevorGowen
Fri Mar 15, 2013 10:03 pm
Forum: Troubleshooting
Topic: USB HDD not auto mounting
Replies: 12
Views: 6744

Re: USB HDD not auto mounting

I think that your /etc/fstab entry may not be quite right: FWIW examples of (my approach) to auto-mounting (in my case USB flash drives) can be seen at http://www.cpmspectrepi.webspace.virginmedia.com/raspberry_pi/MoinMoinExport/MultipleUsbSticks.html . It also contains links to other info. in the w...
by FTrevorGowen
Fri Mar 15, 2013 9:51 pm
Forum: Troubleshooting
Topic: Problem Mounting WD Passport External HD
Replies: 6
Views: 6098

Re: Problem Mounting WD Passport External HD

The dual usb (Y) cord may have helped a little but, in my experience, and based upon measurements of the loading performance and inter-connectivity of the ports of a number of "powered hubs" (albeit "low-cost" ones) it's the hub's PSU that's the "critical" component. Many external disk drives need a...
by FTrevorGowen
Fri Mar 15, 2013 9:31 pm
Forum: Beginners
Topic: SSH Local network
Replies: 2
Views: 676

Re: SSH Local network

FWIW in case it's your PuTTY setup there are a few examples within my webpages at http://www.cpmspectrepi.webspace.virginmedia.com/raspberry_pi/MoinMoinExport/PuTTY4RaspPi.html . Assuming the Pi does have its ssh server running (it normally does on a "clean" raspbian image) it's possible that the wi...
by FTrevorGowen
Fri Mar 15, 2013 9:08 pm
Forum: Beginners
Topic: losing contact when installing packages
Replies: 4
Views: 1415

Re: losing contact when installing packages

How do you connect to the internet ie. are you using a wired or WiFi connection to a router, or by "internet connection sharing" or similar via another computer. Generally I've not had any problems with wired connections but occasionally a WiFi connection has been lost. However, in my case, it's pro...
by FTrevorGowen
Thu Mar 14, 2013 5:46 pm
Forum: Troubleshooting
Topic: USB disk's UUID changing?!
Replies: 2
Views: 2286

Re: USB disk's UUID changing?!

Hi rspi, I've never used the "blkid" command to get a disk's UUID - my approach is outlined within my webpages at http://www.cpmspectrepi.webspace.virginmedia.com/raspberry_pi/MoinMoinExport/MultipleUsbSticks.html . The only times I've known a UUID to change is when a (flash)disk is re-formatted and...
by FTrevorGowen
Wed Mar 13, 2013 10:15 pm
Forum: Networking and servers
Topic: Rpi as a File Server
Replies: 4
Views: 2282

Re: Rpi as a File Server

I've only "played around" with Samba a little, and that was some years ago when I set up sharing on a Fedora-based server. However, if there are (sub-)directories on the share it might be that "everyone" needs "execute" permission as well as "read" so that directory (levels) can be "changed" (IIRC, ...
by FTrevorGowen
Wed Mar 13, 2013 9:16 pm
Forum: Beginners
Topic: Using Pin1 for power on system launch
Replies: 3
Views: 935

Re: Using Pin1 for power on system launch

IIRC the figure of 50mA is the absolute maximum current any ONE of the GPIO pins can source or sink. It is not recommended that you use 3.3V power pin (P1) to supply more than a few mA to a connected circuit since, again IIRC, 50mA is also the total current. Depending upon their colour and the forwa...
by FTrevorGowen
Wed Mar 13, 2013 6:32 pm
Forum: Beginners
Topic: No IP address via DHCP
Replies: 15
Views: 36747

Re: No IP address via DHCP

Hello, the cable modem has one Ethernet port and one USB port. Nobody asked for a MAC address of my laptop so it can not be registered there. It can be by chance in the “allowed” list but is hard to believe. In order to get PI connected also, I used a powered Ethernet hub which is working, all port...
by FTrevorGowen
Wed Mar 13, 2013 2:11 pm
Forum: Beginners
Topic: No IP address via DHCP
Replies: 15
Views: 36747

Re: No IP address via DHCP

Whilst I'm not familiar with that many different "cable modem" types, those that have been provided by my ISP usually have had only one ethernet port** and require an external router to provide a DHCP service for the (household's) Local Area Network (LAN) using one of the local IP address groups. If...
by FTrevorGowen
Wed Mar 13, 2013 1:44 pm
Forum: Beginners
Topic: Wifi and Lan
Replies: 2
Views: 932

Re: Wifi and Lan

More detailed info. needed ... What is "an ethernet relay board with RJ45 port"? (I can think of at least two interpretations of that phrase - probably both "wrong" :) ) IE. Make, model no. ... Does the ethernet port on the Pi work O.K. when connected to a LAN port on your router (if you have one) o...
by FTrevorGowen
Tue Mar 12, 2013 11:17 pm
Forum: HATs and other add-ons
Topic: Cheap Good Quality Wi-Fi Adapter or Wi-Fi/Bluetooth Combo
Replies: 7
Views: 3913

Re: Cheap Good Quality Wi-Fi Adapter or Wi-Fi/Bluetooth Comb

I've found the newer devices of those I've made notes about here (http://www.cpmspectrepi.webspace.virginmedia.com/raspberry_pi/MoinMoinExport/WiFiBlueToothAdapters.html) O.K. - they're all "just a few pounds". However, WiFi dongles can be "power hungry" when trying to connect, requiring upto 500mA ...
by FTrevorGowen
Tue Mar 12, 2013 10:53 pm
Forum: Beginners
Topic: Strange network behavior SSH to pi/wifi -"no route to host"
Replies: 3
Views: 3299

Re: Strange network behavior SSH to pi/wifi -"no route to ho

I use a dlink DWL-122 G on the pi with 2013-02-09-wheezy-raspbian (no rpi-updates, no dist-upgrade only apt-get update/install) Bus 001 Device 005: ID 2001:3c00 D-Link Corp. AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571] Is the dongle plugged directly into the Pi or via a hub? If the l...
by FTrevorGowen
Tue Mar 12, 2013 10:28 pm
Forum: Beginners
Topic: Download Software without Ethernet to Pi
Replies: 7
Views: 1181

Re: Download Software without Ethernet to Pi

I just found this in my garage: it's a Netgear Wireless-N Dual Band. I tried to use this, but it was not picked up on the Pi. Is there something I need to do first? Is that a router or a dongle? Without the model type/number I can't tell. However a quick, generic search suggests it may be a fairly ...
by FTrevorGowen
Tue Mar 12, 2013 9:49 pm
Forum: Beginners
Topic: Download Software without Ethernet to Pi
Replies: 7
Views: 1181

Re: Download Software without Ethernet to Pi

... If I connect the raspberry pi to the computer with an ethernet cable from the wireless to the pi, would the computer's internet be able to download things for the Pi? If this doesn't work, how else can I download software to my Pi without directly accessing the internet via the Pi itself (aka b...
by FTrevorGowen
Tue Mar 12, 2013 8:06 pm
Forum: Other projects
Topic: Help finding a case
Replies: 2
Views: 1336

Re: Help finding a case

Nick (torquetube), Most of the cases I've come across (eg. via Amazon) tend to support "ribbon cable" style connection to GPIO prototyping boards. However I am using the "Slice of PI/O" derivative of "Slice of Pi" with a couple of cases (see pictures on my webpages: http://www.cpmspectrepi.webspace....
by FTrevorGowen
Mon Mar 11, 2013 10:09 pm
Forum: Troubleshooting
Topic: USB Hard Drive Issue.
Replies: 2
Views: 708

Re: USB Hard Drive Issue.

Also, I have to mount and set a mount directory every time I power up the Pi which is not convenient. I'm sure there must be a way around this, but I have not been able to find the answer on here so far. More info. on auto-mounting and editing /etc/fstab can be found in the wiki eg. http://elinux.o...
by FTrevorGowen
Mon Mar 11, 2013 9:55 pm
Forum: Troubleshooting
Topic: i2c only works when HDMI is plugged in?
Replies: 14
Views: 2608

Re: i2c only works when HDMI is plugged in?

... I have a 20x4 i2c lcd screen that is powered through an Arduino and has the SDA and SCL pins connected to the Raspberry Pi. ... Do you have a ground connection between the Pi and the LCD screen/Arduino? (Silly question maybe, but sometimes we miss the obvious. Many years ago I had a screening/g...
by FTrevorGowen
Mon Mar 11, 2013 9:08 pm
Forum: Troubleshooting
Topic: i2c only works when HDMI is plugged in?
Replies: 14
Views: 2608

Re: i2c only works when HDMI is plugged in?

This may be a "red-herring", but I wonder if it's related to the HDMI "hot plug detection" issue I've noted/logged in the wiki (http://elinux.org/R-Pi_Troubleshooting#No_HDMI_output_at_all). It so happens that the (other) common factor is that the two Pi's in question (one a B2, the other an A) have...
by FTrevorGowen
Mon Mar 11, 2013 8:46 pm
Forum: Networking and servers
Topic: Networking a Model A Pi
Replies: 12
Views: 7026

Re: Networking a Model A Pi

Update on the USB-LAN dongle issue. It looks now the problem is a "specific hardware" issue. Two of the dongles appear to cause lock-up, but the third (Pluscom brand) seems stable. (I'm using it and the Model A Pi to browse & post to the forum "at this moment in time" :) ). I'm awaiting a fourth, US...
by FTrevorGowen
Mon Mar 11, 2013 8:35 pm
Forum: Networking and servers
Topic: IP Address lost
Replies: 3
Views: 2352

Re: IP Address lost

Hmmm. Not quite the setup I was thinking of. The only thing that comes to mind is possible "lease time" issues - A DHCP server usually "leases" an IP address to the client for a fixed time, usually a few hours. This is because the local (sub-)network will only have a limited number of such available...
by FTrevorGowen
Mon Mar 11, 2013 9:04 am
Forum: Beginners
Topic: TightVNC won't work the way I want it to
Replies: 5
Views: 1280

Re: TightVNC won't work the way I want it to

ranzig, You might find the (Tight)VNC guides on the wiki (http://elinux.org/RPi_Guides) of some help. I didn't have an HDMI/DVI monitor when I bought my first Pi and found them useful - I was able to get a "remote desktop" either via Windows XP or Ubuntu (my netbook is dual-boot). For Secure Shell l...
by FTrevorGowen
Mon Mar 11, 2013 8:44 am
Forum: Networking and servers
Topic: IP Address lost
Replies: 3
Views: 2352

Re: IP Address lost

sixstringsg, Are you connecting wirelessly (WiFi) or wired? Are you using static IP addresses or DHCP. By default raspbian uses DHCP to get the IP address (don't know about XBMC). If DHCP is in use, I guess your "switch" is really a "router" and, if that's the case, it is/should be running the DHCP ...
by FTrevorGowen
Sat Mar 09, 2013 10:11 pm
Forum: Beginners
Topic: Can not attach usb hard drive
Replies: 3
Views: 2437

Re: Can not attach usb hard drive

tekblom, Like rurwin I suspect that the drive is drawing too much current on "spin-up". You state that it's USB 3.0, seagate model, this suggests that it's a "large" drive ie. 500Gb upwards - generally speaking higher capacity drives within a model range will draw higher spin-up currents because the...
by FTrevorGowen
Sat Mar 09, 2013 7:30 pm
Forum: Troubleshooting
Topic: Connecting to wireless router [solved]
Replies: 12
Views: 6681

Re: Connecting to wireless router

Hi Trevor, I have carried out the above and it returns Ralink technology corporation RT 5370 wireless adapter mx pwr 450 ma Dongle is on the hub. I've just checked the wiki (http://elinux.org/RPi_VerifiedPeripherals#Working_USB_Wi-Fi_Adapters) and it suggests that "RT5370 USB-ID 148f:5370 (requires...
by FTrevorGowen
Sat Mar 09, 2013 6:42 pm
Forum: Beginners
Topic: "Overvolt" and power supplies
Replies: 10
Views: 9427

Re: "Overvolt" and power supplies

fishxz: IIRC "raspi-config" first appeared in Wheezy Raspbian in the autumn of 2012**. It normally runs automatically when you first boot from a clean, fresh image on the SD card, providing options to change user pi's password, setup key board options, timezone, expand the filesystem to fill the SD ...

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