If you want to Travel to other Countries (Border-Control), you should know some things: Buy a older Acer Laptop with Micro SSD Harddisk and SATA CDROM Slot Buy a SATA CDROM Adaptor for 10$, open the Laptop and remove the SATA Drive put it into the SATA Adaptor Don’t put Screws into the Laptop to […]
Schlagwort: howto
Linux Security: create, mount, lock Luks Encrypted Container Files
Howto create encrypted Container Files for private Photos? REMARKS: EVERY unlocked and active mounted Luks Drive could be read out by attackers! Use long Passwords for Luks! dismount and LOCK unused luks drives/containers if NOT used! Create and mount Script: #!/bin/bash # Script creates 4GB Encrypted File Container, set Password # and mount it to […]
Bug: virt-manager NO Keyboard input on VM
If you use Debian as Host System for Virtual Servers the „virt-manager“ Package is broken! no keymap input no VM Console Control no VT-Switch possible Fix: run sudo virsh edit "vm-name" remove all „spice“ display + audio entrys !! open sudo virt-manager go details and and ADD Display VGA + VGA-Adapter select VNC!! save + […]
Bug: AVM Router Repeater Mesh Stream Problems
Since latest Updates of AVM Router Firmware the Devices are sold with MESH Option but this FAILS! Background: Mesh should handle the best Connect between Router + Repeater and used Devices Mesh Service produces own Communication Traffic which is added to your default WIFI TRAFFIC! The Repeaters do NOT offer 3 or 4 seperated WIFI […]
Split Files on embedded Linux Systems
If you run a embedded Linux PC like raspi often some Linux Commands fail without error messages, cause the hardware performance is low tech. Same i have seen on the split command.. to split a 50GB Photos-Archive File to 4Gb on a USB Drive i found out that: sudo split -b 4096m -d -u Photos.tgz […]
Amazon AWS Howtos
Here some Bookmarks if you want to try Amazon AWS Cloud Services like S3 (Cloud File Storage), EC2 (VM Instances..) Howtos / Basics : https://github.com/open-guides/og-aws#aws-data-transfer-costs Remark: AWS Services mostly priced by data transfers and online time! Checkout daily „Billing Monitor“ ! Amazon AWS: https://aws.amazon.com/ Remark: S3 is the Standard Cloud Storage, cheaper is S3-IA or […]
WordPress Themes SEO Rating
If you use WordPress for a Blog and you think about a Theme Change for a new Look you should now some points: Check new Themes for available Updates Check new Theme for User Feedback Check new Theme how often its downloaded, if often used Search Engines can handle the code Check the new Theme […]
LEDE OPENWRT WIFI USB SETUP
Test Setup Futro S500 with USB Wifi Dongle Realtek RTL8192CU PCI Riser Card with Realtek Gigabit LEDE 17.XX Trunk Kernel 4.14 Download latest Version from openwrt.org select x86/64 extract the compressed image (*ext4*img.gz) and dump it with „dd“ to CF-Card 1GB Sample for Clean Setup like TP-Link Router Firmware: You need to install this packages […]
Nextcloud Owncloud Opensource Risk’s
If you are current using Nextcloud / Owncloud or other PHP-Kits for File Handling you should know these remarks: Based on this Article You must know: Details of Security about your current used PHP Versions (7.X) Details of your used Database Version (MySQL..) Details of hardened OS and Webserver Version (Apache,Firewall,fail2ban,file policys, selinux, apparmor filter) […]
Ubuntu 16.04 Compiz Hang Kernel
After Ubuntu published the latest Kernel Patches for Meltdown and Spectre the Kernel 4.4.0-104/109-generic let Intel Graphics freeze or hang on Compiz with Unity. Howto fix: Install the latest Kernel 4.4.0-112-generic do: sudo apt-get install linux-image-4.4.0-112-generic sudo apt-get install linux-image-extra-4.4.0-112-generic reboot then: sudo apt-get autoremove –purge -y This removes older kernels and save Space! Do test the […]