How to format a 1.44MB Floppy using modern Linux (Debian)
sudo ufiformat /dev/sdk && sudo mkfs.msdos /dev/sdk
Proxmox: replace zfs root disk
Depending on how Proxmox VE was installed it is either using systemd-boot or grub through proxmox-boot-tool or plain grub as bootloader. You can check by running: proxmox-boot-tool status The first steps of copying the partition table, randomizing the GUIDs on the new disk, and replacing the ZFS partition are the same. To make the system …
Installing Windows 10 / BootCamp on A1312 / Mid-2011 iMac
Here are the relevant hints: Installing Windows 10 on iMac 2011 and Fixing No Audio Issue: https://youtu.be/6foOrPapEFg Link to gpt disk / gdisk: https://sourceforge.net/projects/gptfdisk/ Fix MacBook Pro 2011 Windows 10 64 Bit No Sound: https://youtu.be/LbmLVOUpVOA Used forum article: https://egpu.io/forums/pc-setup/fix-dsdt-override-to-correct-error-12/ Bonus Info: If you want to always enter the bootmenu, set sudo nvram manufacturing-enter-picker=true Bonus Info: …
Installing Windows 10 / BootCamp on A1312 / Mid-2011 iMac Weiterlesen »
bareos: prune all clients
#!/bin/bashset -e set -x CLIENTS=$(echo „list clients“ | bconsole | grep „-fd“ | awk -F’|‘ ‚{ print $3 }‘ | sed ’s/\ //g‘) for CLIENT in $CLIENTS ; do echo „pruning $CLIENT…“ echo „prune jobs client=$CLIENT jobtype=backup yes“ | bconsole done echo „done.“
Ubuntu 22.04: hibernate laptop on critically low battery level
edit /etc/Upower/Upowerc.conf and set UsePercentageForPolicy=truePercentageLow=20PercentageCritical=8PercentageAction=5CriticalPowerAction=Hibernate Now, restart the upower systemd unit: systemctl restart upower
Note to self: Fix flickering webcam image when sitting in an LED illuminated room
v4l2-ctl –set-ctrl power_line_frequency=0sudo udevadm control –reload-rules && sudo udevadm trigger
Note to self: Install MacOS in Virtualbox
Create VM After creating the VirtualBox VM VBoxManage modifyvm „Your VM Name“ –cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff VBoxManage modifyvm „Your VM Name“ –cpu-profile „Intel Core i7-6700K“ VBoxManage setextradata „Your VM Name“ „VBoxInternal/Devices/efi/0/Config/DmiSystemProduct“ „iMac11,3“ VBoxManage setextradata „Your VM Name“ „VBoxInternal/Devices/efi/0/Config/DmiSystemVersion“ „1.0“ VBoxManage setextradata „Your VM Name“ „VBoxInternal/Devices/efi/0/Config/DmiBoardProduct“ „Iloveapple“ VBoxManage setextradata „Your VM Name“ „VBoxInternal/Devices/smc/0/Config/DeviceKey“ „ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc“ …
Das verwirrte Rechtsverständnis von eBay
eBay hat ein extrem verwirrtes Verständnis von Recht. Wieso, zeigen drei Fälle, die sich innerhalb eines Monats abgespielt haben. (1) Durch den Kaufvertrag wird der Verkäufer einer Sache verpflichtet, dem Käufer die Sache zu übergeben und das Eigentum an der Sache zu verschaffen. Der Verkäufer hat dem Käufer die Sache frei von Sach- und Rechtsmängeln …
Fix for UEFI + Hardware RAID + Linux = megaraid_sas io_page_fault
Short remider to myself and the rest of the world: Upgrade Firmware to latest (yes, 2013 is better than 2011) Set UEFI to UEFI ONLY! It’s 2021 as of now, so nobody should be using BIOS anymore. Seriously. Boot Kernel with iommu=soft option (in grub press „e“ if you are locked out already) Put iommu=soft …
Fix for UEFI + Hardware RAID + Linux = megaraid_sas io_page_fault Weiterlesen »
Linux: Make uPD720201 great again!
After returning my first USB3 PCIe Card because it randomly stopped working and, just to experience the same problems with the card I got in exchange – thanks amazon – i finally found the root cause and permanent fix. The Renesas uPD720201 USB 3.0 Host Controller seems to have broken S3 power saving implenented. Since …
Ubuntu: disable automatic screen blanking
gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-battery-timeout 0 gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 0 gsettings set org.gnome.desktop.screensaver idle-activation-enabled false gsettings set org.gnome.settings-daemon.plugins.power idle-brightness 100
DIY Surveillance Camera Recording
my crontab: # start recording on boot @reboot sleep 10; /usr/local/bin/startrecord.sh &> /dev/null # restart every 10 minutes to create a new file */10 * * * * killall ffmpeg ; sleep 5 ; /usr/local/bin/startrecord.sh &> /dev/null # purge old recordings 0 */6 * * * find /data/office-kamera -type f -mtime +12 -delete /usr/local/bin/startrecord.sh #!/bin/bash …
Reducing SAMBA Server / smbd load when transferring large files
We have a 4 core Intel i3 machine running ubuntu set up in our office, responsible for two jobs: recording 5 security cameras to disk (ffmpeg) being a general purpose fileserver. The machine has a single, 3TB SATA disk and no RAID. The data on the machine doesn’t matter, and doesn’t need to be 100% …
Reducing SAMBA Server / smbd load when transferring large files Weiterlesen »
Compiling and running ethminer 0.19.0 on Ubuntu 21.04
git clone https://github.com/ethereum-mining/ethminer.git cd ethminer git checkout tags/v0.19.0 git submodule update –init –recursive rm -rfv build && mkdir build && cd build export CC=/usr/bin/gcc-8 export CXX=/usr/bin/g++-8 cmake .. && make . && sudo make install ethminer -P stratum://0x2a9d3072a8feb1578c2f10069010480b8742c39c@eu1.ethermine.org:4444 Notes to self: use gcc-8 have at least 4GB Memory on the GPU use a CUDA-10 compatible …
Compiling and running ethminer 0.19.0 on Ubuntu 21.04 Weiterlesen »
Samsung Galaxy S10 battery caught fire while QI charging
Today a client brought a Samsung Galaxy S10 which reportedly caught in fire while lying on the QI charger. The device has been in use for around 18 months.