If you need to automatically rebuild all initrds for all installed kernels: rpm -qa | grep kernel | grep -v headers | grep -v tools | sed ’s/^kernel\-//g‘ | xargs -i dracut -v -f /boot/initramfs-{}.img {} Oh, and while we’re at it, the same for Ubuntu update-initramfs -u -k all
Quick Tip: How to rebuild all initrds with dracut in CentOS 6/7 Read More »
Yet another video is out, as you can probably see our flying skills constantly improve. In the meantime i’ve also been building a new quad, this time without tilting arms, a „regular“ racequad on the Wizzard 220 frame. Here’s the new quad in the building process:
We went out to fly, and this time there really was a lot of crashing involved. That’s just the way it’s supposed to be if you’re learning to fly, I guess. Especially if you’re trying to pass things with as little distance as as possible, flying proximity, and if you max out the physics of
How often can you crash your FPV race quads in one weekend? Read More »
ffmpeg -loop 1 -i images/img13.jpg -i audio.mp3 -c:v libx264 -c:a copy -shortest out.mp4
Add the following lines to /etc/sysctl.conf : vm.dirty_background_ratio = 5 vm.dirty_ratio = 10 Now make the changes active by running „sysctl -p“ as root – done.
Quick Fix: Copying large files to USB disk hangs the system (Ubuntu) Read More »
In case your Magento database import fails with errno 150, here’s a quick solution: Put the following statements on top of your import script: SET SQL_MODE=“NO_AUTO_VALUE_ON_ZERO“; SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT; SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS; SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION; SET NAMES utf8; SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE=’NO_AUTO_VALUE_ON_ZERO‘; SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0; Put the following statements at the end of your import script: SET SQL_MODE=@OLD_SQL_MODE;
This udev rule worked out just fine: rephlex@hera:~$ cat /etc/udev/rules.d/45-stdfu-permissions.rules # DFU (Internal bootloader for STM32 MCUs) ACTION==“add“, SUBSYSTEM==“usb“, ATTRS{idVendor}==“0483″, ATTRS{idProduct}==“ea60″, MODE=“0664″, GROUP=“plugdev“ Everytime you plug the Eachine in, be sure to sudo chmod 777 /dev/ttyUSB0 in order to get permission to the serial/USB port as regular user. Now just run the Betaflight Configurator using
Connecting the Eachine Racer 180 to Betaflight in Linux Read More »
Diese Grafik erschien 2011 auf xkcd.com. Hinweis des originalen Erstellers: you may republish this image anywhere without any sort of restriction; I place it in the public domain. I just suggest that you make sure to include a clear translation of the disclaimer that the author is not an expert, and that anyone potentially affected
I’ve made a full scan of the Eachine Racer 180 Instruction Manual which can be downloaded in PDF format by clicking the link. [ Eachine Racer 180 Instruction Manual ]
VBR=“3500k“ # bitrate FPS=“30″ # framerate KEYFRAMEINT=“40″ # keyframe interval QUAL=“medium“ # ffpmeg quality preset YOUTUBE_URL=“rtmp://a.rtmp.youtube.com/live2″ # youtube rtmp url KEY=“XXXX-XXXX-XXXX-XXXX“ sudo modprobe snd_aloop alsactl restore while true do ffmpeg -err_detect explode -thread_queue_size 16384 \ -f alsa -ac 2 -i pulse \ -f v4l2 -video_size 864×480 -thread_queue_size 16384 -i /dev/video1 -deinterlace \ \ -vcodec libx264
Bildschirm schwärzen nach wie vielen Sekunden inaktivität? (0 = niemals) gsettings set org.gnome.desktop.session idle-delay 3600 Verzögerung von Bildschirm schwärzen zu Bildschirm sperren (in Sekunden, 0=sofort) gsettings set org.gnome.desktop.screensaver lock-delay 0
Gnome-Shell: Display-Timeout / automatische Bildschirmsperre konfigurieren Read More »
Meine aktuelle Theme-Konfiguration für Ubuntu Gnome 16.04 sudo apt-add-repository ppa:numix/ppa sudo apt-get update sudo apt-get install numix-icon-theme numix-icon-theme-circle numix-gtk-theme breeze
Es gibt wohl einen Bug im Kernelmodul „iwlwifi“, welches zu extrem langsamer Datenübertragung führt. Die Abhilfe: den n-Standard abschalten. echo „options iwlwifi 11n_disable=1“ | sudo tee /etc/modprobe.d/iwlwifi.conf sudo reboot
Ubuntu: Langsames WLAN mit Intel Centrino N6200 beheben Read More »
If you ever encounter this error, add the line KexAlgorithms=+diffie-hellman-group1-sha1 at the end of your /etc/ssh/ssh_config file. Bonus: One-Liner for the impatient sudo echo „KexAlgorithms=+diffie-hellman-group1-sha1“ >> /etc/ssh/ssh_config
Update der OpenBSD-Pakete pkg_add -Uu -vvvvv Update der OpenBSD-Ports Neueste Ports herunterladen: cvs -qd anoncvs@anoncvs.usa.openbsd.org:/cvs get -rOPENBSD_`uname -r | sed ’s/\./_/’` -P ports Veraltete Ports suchen /usr/ports/infrastructure/bin/out-of-date Beispiel: databases/pkglocatedb # 1.2 -> 1.1 devel/quirks # 2.197 -> 2.114 misc/screen # 4.0.3p5 -> 4.0.3p6 Hier würde das Paket misc/screen ein Update benötigen: cd /usr/ports/misc/screen make update