Category: ubuntu

Apache: Analyse Logs Spam Bots

If you admin a Apache Webserver, you see often weekly¬†thousand of visits a day on your Blogs. Background: These are no real users, this visits are made by Spam Bots in my Logs like Xovi.de or xovibot.net Bots! On info pages this Company says Admins should disallow crawl by robots.txt, but they IGNORE the settings! This x-guys is in my opinion against German Law “Datenschutz”. "Mozilla/5.0 (compatible; XoviBot/2.0; +http://www.xovibot.net/)" Solution: On Linux Setup a Firewall like ufw and block these IP Ranges To find out the IPs do: $sudo cat /var/log/apache2/access.log|grep xovibot.net| awk '{ print $2 }' | sort | […]

Ubuntu: Deja-Dup Backup Freeze Desktop

If you use Ubuntu Desktop 16.10 you will run sometimes into freezes of the Desktop with a Default Setup. Background: Theres a known Bug of the Deja-Dup Backup Service which is started by Cron. The Service take 100% Ram and 100% CPU usage. This did my PC with 16GB Ram too! Only HARD RESET helps to get back Control! Solution: Purge the deja-dup service with: $sudo apt purge deja-dup Use instead the “rsync” tool by command line with users crontab to Backup your User Homes to external or 2nd. Disk. This should fix the problem.

Ubuntu: Advantage of Classic Desktop Openbox

I am often asked what is the best Desktop Software for Linux? a good Desktop must be fast by window handling, easy to read and needs less hardware resources the fonts must be clear and easy to read animations should not break the operations, glossy windows should by easy to switch off a taskbar should always show you which apps are active and opened a taskbar should not group icons! a progam menu should open fast and should wait for user interactions, special for newbies or older people! a good Desktop Software should not force you to the need of […]