Kategorie: Technic Tips

Linux: Perfect Secure Travel Laptop

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 […]

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 + […]

Webserver Port 80 open or close

If you hold a website and use SSL/HTTPS with Certificates theres is often the question should i block Port 80? The most Admins think after the Major Changes of the Browsers to pull first HTTPS Port 443 they can close the HTTP Port 80. But you should NOT do it! Why? most Bots scan at […]

Reuse OLD PCs for IPFS File Cloud Blockchain

What is IPFS = Internet Planetary File System (peer-to peer) ? It’s a decentral sharing Ecosystem for Files on Blockchain Technology Warning it is NOT anonymous! The ipfs command offers display commands to follow back the hosting & mirroring IP’s! Why is it a current Hype? Cause it offers many Solutions for saving files into […]

Setup Openwrt Xiaomi AX3200 BR01 11-2021 Redmi AX6S

Today i got the openwrt Firmware to run on my new xiaomi ax3200 Router, the Problem is that the Default Firmware open a Upload-Channels to „api.wifimi.com“ Many online wiki told that its impossible to flash the BR01 Version after Production Date 09.21 To flash you need a Serial UART to USB Adaptor and 4 Pin-Lab […]

Ubuntu 18.04 Backlight Control Command Line

By default the xbacklight command does not work on Intel HD Graphics: Workaround: sudo nano /usr/share/X11/xorg.conf.d/10-intel.conf: insert: Section "Device" Identifier "Card0" Driver "intel" Option "Backlight" "/sys/class/backlight/intel_backlight" EndSection now add to startup / autostart (lxde) : xbacklight -set 30

Goodby Smartphones

Today iam going offline with any of my Smarthones for Testing. Why? all current Smartphones based on nonfree Hard and Software less patched Hackers can remote force install Trojans as Updates (especially Stores by gov order) non rooted devices are black boxes rooted Images or Tools as Workarounds are often not published in which way […]

Android Browser Traffic Waste

If you use a Smartphone or Tablet be sure that the Browser like Firefox, Icecat Opera are not active at „minimize“ mode, if the Website code uses a „auto“ refresh code the Browser will endless load the sites on Background! This burns your Data Limit to zero.. Howto: Swipe unused apps to Top of Screen! […]

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 […]

Meltdown Spectre VM Hosting

Thru current IT News you may have heard about the major Security Problem of x86 Technology. If your Websites current hosted on VM at VM Providers, contact them to get current news about their bug handling of their VM Host Servers. If you get no details, then shutdown your sites temporarily, or look for a […]

Design copyright www.linuxonlinehelp.com - Linux PC & Server Support