Raspberry Pi Forums

epoch1970

My math skills are very poor and I am afraid I am beyond the age I can remedy to that really. But what comes to my mind is that instead of trying to replicate what your GF can do, you could have the machine do a simpler task, repeatedly. Like, 'brightest color on the left, others on the right'. Or p...

epoch1970

At my desk I have a mac mini with OSX 10.11 and I connect over wifi to a Pi 3 which is setup in AP mode. The 2 machines are next to each other, the wifi connection is very robust, lasting days. Throughput is good too. I rarely use the Pi as a wifi client, but it doesn't seem to have issues connectin...

epoch1970

The bridge doesn't have an address on the network, it has an ipv4ll (auto-ip, APIPA address). wlan0 has got the address. It should not have one anymore. This attempt is futile. Bridging wlan in client mode is not allowed by the wifi standard. Only if the interface is in AP mode, meaning use hostapd.

epoch1970

Well wifi seems to work, hardware and driver.
What seems to be missing is your configuration input (password, ssid). Then the wifi interface will "associate".
I'm not using the GUI so I can't help you there.

epoch1970

Well, first you can't put what you want in Fstab. This file has a mandatory format because it is being parsed by programs. Fstab is a static file, you can't put a program in it. Second the program you propose allows to delay boot by 2 seconds. That is not a very powerful remedy to the variety of boo...

epoch1970

Mhh. I'm not happy with it. I think it's better than last time I tried, but still... - The "same channel" requirement is awkward. In effect you're generating interference against the main AP. Biting the hand that feeds you... - For some reason hostapd_cli doesn't work any longer, and I use that to s...

epoch1970

For a local drive that may or may not be available via USB I use: "nofail,x-systemd.device-timeout=10" - nofail: if the USB drive is not present, boot will pause for a while and continue. Without this option the system would go to failsafe mode if the drive was missing. - x-systemd.device-timeout=10...

epoch1970

I would try "sudo /usr/sbin/hostapd /etc/hostapd/hostapd.conf"

epoch1970

aumudin wrote:Even if power was an issue I could hook up a motion sensor which uses hardly any power and if it detects anything it would trigger it to turn the wifi on for 20 minutes then turn it back off.

That's a funny idea: use your own cameras to identify the boss and then start the network

epoch1970

I think that's a good starting point. You don't really need the network address translation thing (NAT) since AFAIK your Pis will not be connected to the internet or together. You can do away with the dhcp server requirement, and use either IPv4LL (although you need a thinggy that delivers the 169.2...

epoch1970

Cool. But I'm afraid the cost of VDI still remains in the server(s), I'm not too sure about a SoHo VDI solution.

epoch1970

Oh yes you can. Search for "hostapd".
Be aware than all usb keys are not created equal, and hostapd performance or even support will vary according to brand/model.
On Pi 3 the integrated hardware runs fine, BTW.

epoch1970

Talking about reboot, I am about sure that systemd competes with ntpdate. The dreadful timesyncd-systemd service tries to step the clock with ntp servers at boot time, exactly what ntpdate did. As usual the feature comes unannounced. So I think on jessie you can remove ntpdate. This is what I did af...

epoch1970

So you don't want to use wifi? I'm not sure wifi consumes much more power than BT, regular or LE, I'll leave that to others. If you were to create a wifi access point on each Pi, then I think I would try using syncthing on each Pi (and on your laptop) It's 2-way replication, so you have to be carefu...

epoch1970

Did /etc/ntp.conf get honked on a recent update? I participated in the sinking of another thread about ntp recently :) (But that wasn't really my fault, nor ntp's I think) I have one Pi 3 I use as my lab mouse, it is up to date with the stable distro. I have my own ntp.conf, I can assure you nothin...

epoch1970

I'll be pedantic and point out that dd on OS X accepts units in lowercase, not uppercase for block size. If the number ends with a "b", "k", "m", "g", or "w", the number is multiplied by 512, 1024 (1K), 1048576 (1M), 1073741824 (1G) or the number of bytes in an integer, respectively. When I backup a...

epoch1970

Well, it could have been "rm -rf . /*" instead of "rm -rf ./*". Yes, I did that, a long time ago. And that was on a networked server. I still remember the look the admin who restored the tape gave me the next morning... If it's not too late, perhaps you can avoid starting from scratch. A lot of file...

epoch1970

I'm looking for advice about the possibility to install/customize an Entreprise Content Management (documents) + Business Process Management (workflows) platform on Pis. The application is management of small-scale building projects. I wish to use a multi-site, fault-resistant peer-to-peer network d...

epoch1970

I just tried mounting it with rw with no success. I also physically unplugged the pi to reboot it. Does remounting the file system reset all the configuration files? I'm about to try repairing the file system on Ubuntu laptop. The SD has a problem so as part of the boot process it is mounted RO ins...

epoch1970

That's right. I'll elaborate a bit. You need to recognize the current kernel name of the device. If you just plugged the drive, then "dmesg | tail" will show you the name of the recently arrived device, e.g. /dev/sda with 1 single partition /dev/sda1 Then you can use the "blkid" command: blkid /dev/...

epoch1970

(I don't know anything about the device tree, so if your issue relates to that, just disregard.) If you type "mount" do you see something like this: /dev/mmcblk0p2 on / type ext4 (rw,noatime,data=ordered) ... except your mount would be "ro" instead of "rw"? If so, all is not lost because the root pa...

epoch1970

Oops. Poor Pi

Encouraging news, I'll look into it myself when I have time. Thanks again!

epoch1970

Would this be suitable to configure in this way for a Tor relay? I don't know what a Tor relay is. This thread (or at least my last post) is about making a wireless Access Point out of the Pi. Like a real-life AP you can buy off the shelf: plug an ethernet cable on one side, and start using wifi in...

epoch1970

Ah yes, I think I was there when I tried doing this.
What definitely put me off was: "use the same password on STA and AP". For me that was a definite "no".

I'll be glad to hear your impressions, thanks

epoch1970

what I found is that momentarily I can update time using ntpdate even if I don't turn ntpd off. No, you can't. This is a machine, it's not magic. You don't order it around and bend it to your will. You learn how to make it do what you want. If you were able to run ntpdate without message it means p...

Search found 5127 matches

Re: First time poster! Multiple questions

Re: ssh - broken pipe/connection refused, wlan interface

Re: How To: Wifi to Ethernet Bridge

Re: WI-FI Failure to Launch in PI 3

Re: bad fstab file, can you start the pi

Re: RPI3 AP with multiple ssid - has anyone made this?

Re: bad fstab file, can you start the pi

Re: error writing etc/hostapd/hostpad.conf\; no such file or

Re: RPi File Transfer Solution

Re: RPi File Transfer Solution

Re: Citrix announce a thin Pi

Re: RPi File Transfer Solution

Re: Time is not updating

Re: RPi File Transfer Solution

Re: Time is not updating

Re: dd takes so long...

Re: Messed Permission of all directory

ECM/BPM with Pi 3?

Re: Stuck in read-only file system

Re: Partition letters constantly changing

Re: Stuck in read-only file system

Re: RPI3 AP with multiple ssid - has anyone made this?

Re: Problem with hostapd

Re: RPI3 AP with multiple ssid - has anyone made this?

Re: RPi3 jessie - NPTD does not work