Go to advanced search

by fbe
Fri Jul 23, 2021 6:45 pm
Forum: Raspberry Pi OS
Topic: Can't install rpi-imager on R Pi 4
Replies: 8
Views: 290

Re: Can't install rpi-imager on R Pi 4

I don't know why the rpi-imager should be "the wrong way", once you have a desktop running on your Raspberry Pi. Actually the "advanced options menu" ( https://www.raspberrypi.org/blog/raspberry-pi-imager-update-to-v1-6/ ) may be a good reason to use it, even if you are familar w...
by fbe
Wed May 26, 2021 5:07 pm
Forum: Troubleshooting
Topic: Bluetooth PulseAudio problem- please help.
Replies: 2
Views: 127

Re: Bluetooth PulseAudio problem- please help.

Start over and don't install bluealsa. The recent (December 2020 or later) Raspberry Pi OS with Desktop images include Pulseaudio modules for bluetooth.
by fbe
Fri Apr 23, 2021 6:35 pm
Forum: Raspberry Pi OS
Topic: Is there a way to create a swap partition bigger than 2 GB?
Replies: 4
Views: 232

Re: Is there a way to create a swap partition bigger than 2 GB?

Hello everyone. I am trying to build Qt 6.0.3 from source natively on Raspberry OS, running on a Raspberry Pi 3 B. I am using a 64-bit version of the OS, which I believe is in beta. I've tried to set CONF_SWAPSIZE to 7168, in order to have 7 GB of swap, since building Qt turned out to be quite memo...
by fbe
Fri Mar 26, 2021 5:40 pm
Forum: Deutsch
Topic: Raspberry PI phpmyadmin funktioniert nicht
Replies: 2
Views: 403

Re: Raspberry PI phpmyadmin funktioniert nicht

Schwer was zu sagen was bei "wie gewohnt" schiefgegangen sein kann. Bei der IP-Adresse hast Du Dich nicht vertan? curl http://localhost/phpmyadmin in einem Terminal auf dem Server meldet den selben Fehler? Wie ich es gemacht hätte: Erst mal die Paketbeschreibungen aktualisieren, das Upgrad...
by fbe
Wed Mar 24, 2021 6:24 pm
Forum: Networking and servers
Topic: Apache using symlinks
Replies: 1
Views: 151

Re: Apache using symlinks

Please post the output of

Code: Select all

sudo -u www-data -g www-data ls -l /your_folder_in_tempfs
ls -l /var/www/fqdnofwebsite
by fbe
Mon Mar 22, 2021 7:12 pm
Forum: Deutsch
Topic: microSD plötzlich schreibgeschützt / Nymea
Replies: 1
Views: 348

Re: microSD plötzlich schreibgeschützt / Nymea

Ich meine aus der Nymea-Dokumentation verstanden zu haben, dass die Installation durch Schreiben einer Image-Datei auf die SD-Karte erfolgt. Dazu musst Du die SD-Karte nicht formatieren. Es sollte einfach so funktionieren. Wenn die Boot-Partition schreibgeschützt ist, Du also z.B. nicht mal eine lee...
by fbe
Sun Mar 21, 2021 6:21 pm
Forum: Deutsch
Topic: raspberry pi B3 wlan0 nicht vorhanden
Replies: 1
Views: 268

Re: raspberry pi B3 wlan0 nicht vorhanden

Falls Du nach dem eingebauten WiFi suchst, prüf mal /boot/config.txt, ob da eine Zeile dtoverlay=disable-wifi oder ...pi3-disable-wifi drin vorkommt. Mein WiFi hab ich so deaktiviert, da ich es nicht nutze. Außerdem mal in den Dateien unter /etc/modprobe.d nachschauen ob da in irgendeiner Datei blac...
by fbe
Thu Mar 18, 2021 7:22 pm
Forum: Raspberry Pi OS
Topic: Unable to launch a process.
Replies: 6
Views: 414

Re: Unable to launch a process.

... My problem is not in launching the GUI. This works fine. The problem is that I can't launch ANOTHER GUI process (PROCESS B) from the initial GUI boot process (PROCESS A). This in ONLY a problem when using systemd. When using systemd ... I can boot to PROCESS A but cannot launch PROCESS B. I bel...
by fbe
Thu Feb 25, 2021 6:45 pm
Forum: Deutsch
Topic: ein paar Raspbian Fragen
Replies: 2
Views: 416

Re: ein paar Raspbian Fragen

Anregung zu Frage 2 - lass mal das Folgende in einem Terminalfenster laufen: for f in /usr/share/rpd-wallpaper/*.jpg; do pcmanfm --set-wallpaper ${f}; sleep 10; done Du kannst den Aufruf von pcmanfm natürlich auch in andere Programiersprachen einbauen. Musst jetzt nur noch in der Lage sein, eine Dat...
by fbe
Tue Feb 16, 2021 8:29 pm
Forum: Advanced users
Topic: Running Raspbian from USB Devices : Made Easy
Replies: 417
Views: 159732

Re: Running Raspbian from USB Devices : Made Easy

When Raspberry Pi OS is running in NOOBS, the BOOT partition is /dev/mcmblk0p6 and the ROOT partition is /dev/mcmblk0p7. usb-boot should not be attempting to access or mount any other partitions. ... but it first mounts 2nd and 1st partition of the target USB device for replication of the running s...
by fbe
Sun Feb 14, 2021 3:59 pm
Forum: Advanced users
Topic: Running Raspbian from USB Devices : Made Easy
Replies: 417
Views: 159732

Re: Running Raspbian from USB Devices : Made Easy

Hi. I tried to move my sd-card to an SSD with the usb-boot script. But I get an error mount: /tmp/usb-boot-mnt: can't read superblock on /dev/mmcblk0p2 Unable to mount ROOT partition This is strange because this partition - mmcblk0p2 - seems to be a bit special. ... /dev/mmcblk0p2 is not a partitio...
by fbe
Sat Feb 06, 2021 7:24 pm
Forum: Deutsch
Topic: Raspberry PI 4 8GB USB boot
Replies: 3
Views: 717

Re: Raspberry PI 4 8GB USB boot

Eigentlich ist das heutzutage gar nicht mehr so kompliziert. Wahrscheinlich sollte man immer noch mit SD-Karte anfangen, denn der ab Werk installierte EEPROM-Bootcode dürfte oft Booten von USB noch nicht unterstützen, aber bereits der aktuelle EEPROM-Bootcode aus dem critical Verzeichnis ist in der ...
by fbe
Tue Feb 02, 2021 4:07 pm
Forum: Deutsch
Topic: SSD über USB 2 Hub funktioniert aber Langsam. Mit USB 3 Hub geht es nicht!
Replies: 2
Views: 367

Re: SSD über USB 2 Hub funktioniert aber Langsam. Mit USB 3 Hub geht es nicht!

Was passiert, wenn Du den USB-3.2 Hub an einen USB2-Anschluss des Raspberry Pi anschließt, also dort nicht die blauen Anschlüsse nimmst?
by fbe
Sun Jan 24, 2021 8:47 pm
Forum: Beginners
Topic: boot on usb, with microsd plugged (3B+)
Replies: 3
Views: 162

Re: boot on usb, with microsd plugged (3B+)

is there a way to always boot on usb, even when microsd is plugged in? https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/gpio.md You can enable GPIO boot mode. But you lose 5 GPIO lines for other purposes. And once is enabled, this can't be undone. Don't program_gpio_bootmode...
by fbe
Thu Jan 21, 2021 6:34 pm
Forum: Other programming languages
Topic: PHP writing to USB: failed to open stream
Replies: 15
Views: 1019

Re: PHP writing to USB: failed to open stream

Thank you. Only root and (by ACL) pi can access /media/pi. I have access to files under /media/pi/USBDISK by PHP program with my Raspbian Stretch SD card. The thing is: 1/ I missed something in my config or 2/ There's a difference between Raspbian Stretch and Buster that creates my problem Please v...
by fbe
Thu Jan 21, 2021 4:56 pm
Forum: Other programming languages
Topic: PHP writing to USB: failed to open stream
Replies: 15
Views: 1019

Re: PHP writing to USB: failed to open stream

Hi and thanks for your answers. Is this fighting against apache's directory security in /etc/apache2/apache2.conf I thinkyou're talking about this part of apache2.conf: <Directory /> Options FollowSymLinks AllowOverride None Require all denied </Directory> <Directory /usr/share> AllowOverride None ...
by fbe
Thu Jan 21, 2021 6:13 am
Forum: Other programming languages
Topic: PHP writing to USB: failed to open stream
Replies: 15
Views: 1019

Re: PHP writing to USB: failed to open stream

The filemanager mounts removable devices only for use by the desktop user pi@raspberrypi:/media/pi $ ls -al total 40 drwxr-x---+ 3 root root 4096 janv. 20 14:01 . ... You should not use this drive for services like apache (or, e.g., samba), because the drive will not be mounted if you decide not to ...
by fbe
Sat Jan 16, 2021 9:13 pm
Forum: Deutsch
Topic: Backup der SD-Karte
Replies: 4
Views: 458

Re: Backup der SD-Karte

Habe gerade mal aus Neugier probiert. Bei mir ist Version 0.9.5 installiert. Boot-Laufwerk auswählen, (neuen) Image-Datei-Namen vorgeben, Read klicken. Die ganze SD-Karte wird in die Image-Datei eingelesen. Das ist aber keine besonders gute Backup-Strategie, weil SD-Karten nicht immer gleich groß si...
by fbe
Sat Jan 02, 2021 11:14 am
Forum: Troubleshooting
Topic: Webserver does not show PHP correctly in browser
Replies: 9
Views: 1158

Re: Webserver does not show PHP correctly in browser

You need to disable mpm_event, not mpm-event. The you need to enable php7.3, this automatically enables mpm_prefork, not mpm-worker. If you are a beginner, you should start over with a newly flashed SD card. Fixing a broken system is beyond your scope for now. The more guides you follow, to fix some...
by fbe
Mon Dec 28, 2020 7:15 pm
Forum: Deutsch
Topic: Hilfe bei Raspberry Pi Client LAN=>WIFI
Replies: 6
Views: 690

Re: Hilfe bei Raspberry Pi Client LAN=>WIFI

Also mir fällt es schwer, konkrete Anweisungen zu geben, denn Verwaltung von Netzwerken habe ich nie praktiziert, aber: Die iptables Konfiguration liest sich auf den ersten Blick so, wie man einen Router konfigurieren müsste, der eine Internetverbindung (bei Dir das W-LAN) und ein Lokales Netzwerk (...
by fbe
Mon Dec 14, 2020 6:57 pm
Forum: Troubleshooting
Topic: Trouble with latest apt update on RPi4
Replies: 11
Views: 685

Re: Trouble with latest apt update on RPi4

...btw, when I do a "ls /boot" I only get some files: [20:15:05] pi@raspberrypi4:~$ ls /boot '$RECYCLE.BIN' cmdline.txt cmdline.txt.old config.txt issue.txt overlays 'System Volume Information' Shouldnt there be a kernel.img / start.elf in /boot? Even stranger to me, the RPi is runnning a...
by fbe
Thu Dec 10, 2020 7:29 pm
Forum: Advanced users
Topic: [SOLVED] sudo privileges for *graphical* apps in Xrdp session
Replies: 4
Views: 505

Re: sudo privileges in Xrdp session

Create a file ~/.xsessionrc (.xsessionrc in your home directory) with content:

Code: Select all

export XAUTHORITY=${HOME}/.Xauthority
Reboot and try if this helped.
by fbe
Fri Nov 27, 2020 6:25 pm
Forum: Troubleshooting
Topic: Cant format the SD card that comes with the Raspberry Pi Starter Kit
Replies: 13
Views: 371

Re: Cant format the SD card that comes with the Raspberry Pi Starter Kit

Did you notice that the pictures of your adapter show the slider in Lock position?
by fbe
Thu Nov 12, 2020 7:51 pm
Forum: Beginners
Topic: New to Raspberry Pi - Multi-user Basics
Replies: 15
Views: 681

Re: New to Raspberry Pi - Multi-user Basics

... I've created a new user for each family member. Changed default password for pi and given all users same groups as pi (except pi). Sudo requires password for all users. ... 2. When I try to install apps via Add / Remove Software it always says 'Authentication is required to install software' an...
by fbe
Wed Oct 21, 2020 9:39 pm
Forum: Advanced users
Topic: sudo after network boot
Replies: 10
Views: 369

Re: sudo after network boot

Please post the output of:

Code: Select all

ls -l /opt/nfs/pi4/usr/bin/sudo
on your server.

Go to advanced search