Tag: Ubuntu

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

Ubuntu Snap on Bionic 18.04 Reasons

If you upgrade or install Ubuntu to 18.04 the last and current LTS Version you have may asked yourself “what the hell is snap loop device?” Easy Snap was hidden built in to print MONEY, sure?? YES see manpage snap.. ” BUY A SNAP !!” .. its a new try to get money since Amazon Shop Link implementation.. like others from Appstores.. Howto get rid off? Removing of snapd with purge app Apps by deps.. # sudo apt-get remove snapd –purge Some may ask do i need snaps? No cause most packages still live at the debian apt repository Snap […]

Unity Ubuntu Topbar disappeared

I have often seen that the Unity Topbar of Ubuntu LTS is hidden or not clean loaded after Login. It’s Caching Problem of Unity (Compiz) and Lightdm, if the PC is not clean rebooted or started. Howto fix: sudo rm -fr ~/.cache/compizconfig-1 \ && sudo rm -fr ~/.compiz && sudo service lightdm restart Now relogin and check.. if ok do a Profile Backup! with: tar -cvzf /usb-backup-stick/compiz.tgz \ /home/username/.cache/compizconfig-1 /home/username/.compiz

Linux: Systemd ignore console-setup settings

If you work on older Laptops and you use a Console only System Setup like on Debian there is a Bug on systemd and the console-setup package since years. After reboot all Font Settings seems gone. But the Settings are not real gone, cause systemd does not pull the settings on boot! How to fix? edit the crontab of root by sudo su – crontab -e insert the /bin/setupcon command on “@reboot” means on every boot! @reboot     /bin/setupcon > /dev/null 2>&1 save and exit, reboot now now the PC should echo big Fonts for old eyes “Terminus 20×12 Frambuffermode”