Bug: Minimize Windows freeze Unity Desktop 15.04 Solution: If you use Tweaks to disable or hide the Desktop Icons which are displayed by Nautilus Filemanager Unity is often freezing on maximize or minimize the Windows of Apps like Firefox or Chromium-Browser. This is NO Compiz or Graphic Chip Driver Problem! Its seen on Intel HD, […]
Kategorie: Howto
Ubuntu: Create USB Live System Stick for Live Mode or Emergency Help
For all Users, especially Newbies its VERY helpful to have a Rescue System on a USB Stick if a Major Update/Release Change fails or break the System. To this the Ubuntu-ON-RAM Live System is very useful at public shared PCs for Online Banking etc., cause after every reboot all old Firefox Data are safe deleted!! […]
Security: Webserver HTTPS with Self Signed Certificate Do it yourself in 5 Minutes!!
Today the Point of Security and encrypted Webserver Communication is rolling over every User who hosts own Websites on the Internet. Last decades HTTPS was only used by Online Login Pages like Shops and Banks to verify the Communication between a User PC and the Website. But after January 2015 the most Search Engines like […]
Raspberry Pi: Howto build a Local Network Monitor for Intrusion Logging Watchdog
Today the count of network devices at home networks grows up weekly, cause more and more home devices like freezers, coffee engines, dishwasher and more got builtin wifi interfaces. To have a Control Unit you can use a raspberry pi2 as cheap Network Monitor Logger. The Raspian by default offers builtin free tools, like arp, […]
Owncloud: Howto harden owncloud access with a ssh tunnel and squid
If you want to use a private secure owncloud (WebDAV Space Server) as Backup for all your devices you can harden the access thru a openssh Login with key auth and a squid as relay. Install apache2, php5, mysql-Server, openssh, squid3 config Apache2 to listen on https://localhost:443 setup squid3 and config the Proxy to listen only on localhost:3128 […]
Oneye: Cloud Office Solution
If you are looking for a Cloud based Office Solution you should take a closer look on the Open Source Software „oneye“ (commercial version of eyeos) All you need is a cloud served or home hosted LAP Webserver (Linux/Unix, Apache, PHP5 Server) NO Database required! Source: http://oneye-project.org/ Advantages? + Weboffice with Word, Excel, Mail Client POP+IMAP, […]
Ubuntu Debian: Installer Messages during Installation Realtime Debug Installer Mode
If you boot your PC on a Setup CD into „live“ mode after some time the Desktop Unity or Gnome starts. After successful testing the PC with the current Drivers and Kernel you can select „Install“ by pressing the icon left on the desktop. But here the Problem appear that you dont see any informations about bugs, […]
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 && […]
Ubuntu: Libreoffice Calc slow scrolling Intel HD Graphics
On Libreoffice 4.3.X and earlier a lot of users post problems or freezes of scrolling inside Documents This seems to be a bug inside Libreoffice and Cache Handling or 3D Handling to Intel HD Solution: Add last ppa sources to the System to pull newest Version: Open Gnome Terminal / Console enter: sudo add-apt-repository ppa:libreoffice/ppa […]