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 […]
Kategorie: support
Rasperry Pi: SD Card Partitions Layout Noobs Backup Restore
If you use a raspberry pi for projects which is shipped with a 8GB SDCard it is very useful to know basics about the root, file and recovery system on the preinstalled card. Major Basics about the Partitioning you find here To save time the raspberry pi offers possibility to run a Full Backup if the […]
Amazon: Cloud Drive Sharing with NFS on Local Network as Photo Uploader Backup
Current the acd_cli tool for amazon drive mount offers no „fsid“ (device /dev) point, that you cant export and share the amazon drive at your home local network. On the latest raspberry pi OS (jessie) you can use a small workaround to get a NFS Shared Amazon Cloud Backup Uploader (needs python3.4 !) install acd_cli tools, create the […]
Openmips: Upgrade Gigablue Firmware Failure Boot Freeze Enigma
If you own a Gigablue TV Box ( Gigablue UE 800 2 Tuner DVB-S + DVB-C for example) a reboot on Firmware 4.2 can lookup the box to factory reset. This did my box too. I decided to upgrade the Firmware from openmips 4.2 to current 5.4. But you ran into some bugs, like freezes […]
Password: Simple script generator on a linux console
If you need a password creator for your daily needs you can do this with a default tool called openssl / libressl and a small bash script: Howto: open a console open as user a editor like nano or vi with $nano pwcreate.sh insert this: #!/bin/sh /bin/bash -c „for i in {1..20}; do openssl rand […]
Raspberry Pi: Raspian disadvantages of embedded OS
The last 12 month have been a „golden“ time of the upcomming embedded linux devices, but the custom OS’s offers some problems, you should know for projects: embedded PC’s like the ARM based pi2 / pi3 uses a own compiled OS not every known debian package is available not all compile scripts to rebuild are […]
Security: Harden DSL Routers and Networks against attacks
Last days there was a high count of news about the Bot Attacks against T-Com Telekom Router devices. To understand the behavior about this up comming security problems you should know following points : Every network supported device can be a goal for a attack ( Routers, Modems, PC, Fridges,IP-TV, IP Switches, IP-Cams…) You have […]
Android: Remove builtin Bloatware without hacking rooting or root-firmware
Last Weeks i got a new Smartphone, it offered 8GB Rom for OS and Apps. Iam not a real fan of rooting, cause i didnt write/change the firmware, i found a other way to tune the System: Dont insert a SIM CARD! After first Boot DONT CREATE a Google Account! Then go i to Apps Manager at […]