Category: Support

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 NICs for handling the Traffic If you buy new Repeaters look that they have minimum 4 Channels (2,4+5GHZ to Router and 2,4+5GHZ to the Devices like TV,Laptop and more.. If you have LAN Cables next to the Repeaters, you should prefer at the Repeater LAN-to-WIFI […]

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

Social Bots the Business Killer

If you have  a small Company and you want to raise up your Startup Business you often asked to buy Support by Developers (eMail) or Big Data Companies (goo, fb .. etc.) to use their Marketing Tools like Social Bots, automated Scripts and more.. But take care this can be your Business Killer cause: Trust is lost if Bots are recognized by the Users too much Ads or Trash Posts forces Humans to leave if trust is gone the Users logoff from current Social Media Channel, for example “fb” loses much Users last time and was enforced to integrate new […]

WordPress Speed Test Optimization

If you use WordPress and you want to get better results on search engines and  social media checkout: Load Speed at Google free Speed Analyser for Developer https://developers.google.com/speed/pagespeed/insights/ Reduce and Control the Plugins Reduce and Control Images at Content and Image Sizes 50-100 kb Limits Use latest PHP Version if possible 7.3 Use cached MySQL if available Result: If green your Job is done well.. cause old rule, LESS is often MORE  

Major Bug: UFW stopped thru logrotate

On Debian Sid i have seen that ufw service is stopped on logrotate!! Its a bad known bug! Workaround: Set all Services like Dovecot, Postfix to listen on LOCALHOST (127.0.0.1) if not needed over Internet Enable ONLY encrypted AUTH (Login) to Postfix! (TLS 1.2) Disable unneeded Services ! like Samba, FTP… move config from /etc/logrotate.d/ufw to /root/ to disable ufw logrotate !! edit /etc/ufw/ufw.conf set LOGLEVEL to “off” restart the Server and check open Ports next Days from outside with: $sudo nmap -PN my.server.com

Openwrt LEDE ath9k bugs fixed

If you use a TP Link Router like 3600, 4300 or a other brand with ATH9K Chipset you should upgrade to OPENWRT 18.06 with Kernel 4.9 Tested: OpenWrt 18.06.0 r7188-b0b5c64c22 / LuCI openwrt-18.06 branch (git-18.210.69179-6df9a57) – Atheros AR9344 rev 2 cause: more stable less load no ath9k Wifi Lookup on high transfers Same seen on other TP Link Routers like 841 Series, remark last Version 13 not supported Hope that the Freifunk Software will be updated fast! More Information go: https://openwrt.org/