Category: Support

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/

Outlook 2016 unsharp Fonts on Laptop Screen

If you asked for help on a new Windows 10 Laptop with Outlook 2016 cause the displayed Fonts unsharp or unclear check Outlook Settings -> Advanced -> Display -> set “disable Hardware Acceleration” for the Video Card ! or check the Subpixel Rendering of windows 10 go: Search -> Clear Type Settings -> rerun all Dialogs -> select the best readable Window with Texts Remark: Can be a Linux Problem too! Seen on some OpenOffice Setups! Checkout if installed, the advanced Video Driver Software at System Settings or beside Clock Icons! (seen at ATI)  

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 PC for hanging again!!!