If you own a raspberry pi, in some cases it is useful to shrink the sdcard, cause you need often not more than 8/16GB. What do you need and how to solve shinking or extending the OS: Hardware you need: 2 empty SDCards (Source + Dest.) 2 SDCard Adaptors Micro-SD to SD Fullsize 2 SD-USB […]
Schlagwort: linux
Debian: Update SSD Firmware without CDROM
If you want to update the SSD Firmware of a device you should know some things: Do you REALLY need the update? Bugs? If NOT exit here! Firmwareupdates can destroy DATA on Drives! Data cant be restored if the Controller fails after Update Downgrade a Firmware to older is most IMPOSSIBLE!! .. now you need […]
Ubuntu Debian Samsung SSD secure erase with Linux
If you use a Samsung (possible others brands same howto) SSD and you want to secure erase the SSD for reuse or resale (better destroy it!!!) do: Insert your Debian/Ubuntu Setup CD/Stick Boot into Live/Setup Mode open Gnome Terminal or Console and enter $sudo su – #to be root then enter.. $ apt-get update && […]
Debian: Auto Update System Daily without special Tools
If you want to have a full automatic Update on your System then open a Gnome Terminal / Linux Console run (# Comments): $sudo nano /root/update.sh enter: #/!bin/bash apt-get update #pull updates apt-get dist-upgrade -y # install updates apt-get clean #clean update database for next pull to have clean source urls exit 0 save with […]
Ubuntu: Recover Data from old Luks Encrypted HDD to new HDD
If you prefer to use encrypted Devices you ran into a problem if you try to move, migrate or recover the files from the old luks protected home. As normal User you should know that luks is used with LVM2 Logicial Volume Manager, which manages the partitions „named based“. Major Info! Ubuntu prename the volume […]
Linux Tip: Split Console Screen on Widescreen Laptop / PCs with „screen“ and „terminator“
Current Laptops / PCs uses 16:9 Widescreen Displays and if you dont want to use Xorg (Gnome,unity,Openbox Desktops) you can use on Linux Console the program called „screen“ it offers: – Split Consoles horizontally and vertically – disconnect the screen and let the scripts/commands active on remote Systems – reconnect if the remote Session was […]
Linux Info: UEFI + GPT + Secure Boot = Dongled OS = Printing Dollars
UEFI+GPT+dongled OS = Printing endles Dollars for PC Manufacter and M$. UEFI was offered for „security reasons“ but in my opinion the normal users should be prevented by this „UEFI LOCK“ to use Dual Boot or remove Windows on owned hardware, in cases of Mainboard failures the Users are forced to buy new Mainboards with […]
Linux: 46″ inch Weatherstation Display with Thinclient PC and Linux OS
With Tiny Core Linux: 46″ inch Weatherstation Display with FSC S500 Thinclient PC and Linux OS connected via DVI-D to HDMI Cable Awesome to see Satellite Images in HDTV Resolution and Full Color all developed by me. www.linuxonlinehelp.com YOU NEED NOT to buy a „SmartTV“ of Samsung cause the Thinchlient uses open Linux and offers […]
Debian Bug: Slow user switching at Console (su, sudo, slow ssh logon, slow PC,IPv6 Problems)
Problem: On a Debian Squeeze/Ubuntu with default setup the interaction can be very slow at your Home Network. SSH Logon seems to hang seconds, Browser startup and www browsing could be slow or offer waits Background: IPv6 was implemented on newer OS, but never used at Local Networks (IPv4) cause there are no IPv6 Nameservers!!! […]
Linux FreeBSD: Protect your Disc Data against power loss
Problem: If you use IDE or SATA Disc Drives inside your Workstation or Server without a additional uninterruppted power supply after a power loss your Disc Drives can lose data, do not boot clean up agian or damage the drive headers and sectors. Background: SATA or IDE Drives uses „Disc Cached Controllers“, the count of […]