During my last Network Monitoring found out that MANY of “free” Software calls home permanent Article: https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections .. if you want to be safe, block all OUTGOING Traffic by a Firewall or local DNS Server and use a Proxy with Auth Mechanism!
Category: Linux Einstieg Newbie
If you run a embedded Linux PC like raspi often some Linux Commands fail without error messages, cause the hardware performance is low tech. Same i have seen on the split command.. to split a 50GB Photos-Archive File to 4Gb on a USB Drive i found out that: sudo split -b 4096m -d -u Photos.tgz Photos-Archive_ fix the job.. Cause option -u disable IO-Caching over the 2.0 USB Port to the RAM of the raspi that the Data of the Output Stream is written direct to the Drive.
If you are a Newbie on AWS Glacier Cloud Backup you want to use a simple Backup Uploader you can use FastGlacier inside Wine! Major Info: Glacier puts only Files up to 4GB size, split 50GB Tar/Zip Files to 4GB!! Setup AWS free Account !! Go to IAM create User, set User Role to Glacier full access Write down User and Password key at IAM now go right to you loved Cloud Area like Frankfurt or Asia Setup new vault, logout.. install wine install winetricks dotnet40 Framework install FastGlacier have fun.. sudo apt-get install wine sudo apt-get winetricks Run winetricks […]
If you use a Toshiba Canvio 3tb Drive at a raspi then smartmontools will not see the usb drive. Try: sudo smartctl -t long -d sat -s on /dev/sdb -t test long or short -d drive protocol sata = sat -s enforce smart which is off by the usb drive firmware wait XXX Minutes then: sudo smartctl -H -d sat -s on /dev/sdb get status..
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 […]
If have read the latest News about the Big Data Collector and his for FREE shared Browser, you see that the big data Company’s abuses their power to block Websites from their Buisiness. With the next upcoming Releases they prevent fast access to public News Sites or other Blogs and enforces the Website Owners to ACCEPT the NEW RULES. You see that most FREE Software IS NOT REALLY FREE Software, cause it’s a Tool to take CONTROL over the normal USERS! To PREVENT this POLITICS try to use ALTERNATE SOFTWARE like the ICECAT Browser, sometimes it’s more useful to have […]
If you run scripts to handle text output by cronjobs your perhaps get problems with umlouds “ÖÄÜ” cause they are displayed by “**”. This is a problem cause cron uses “C” setting as locale, you can test it by setting it into root crontab: open crontab from root with: $su – root $crontab – insert * * * * * locale This will mail cron’s locale echo to the mailbox of root! Read root’s mail! After tests remove the locale entry at crontab! Howto fix for Scripts: open crontab from root with: $su – root $crontab -e insert (for German): […]
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”
a “must know” .. !! If you use old Hardware! End of Life may break old Laptops or Systems with unsupported Onboard Graphics! ATI/NVIDIA
If you want to be more secure, on Linux you can isolate used programs on different Users! All you need is installed by default! Howto: Add a new User for eMail and Browser to the System with: $sudo adduser mailuser $sudo adduser webuser now install if not installed by default “gksu” User Switch $sudo apt-get install gksu copy now the default App Links to webuser’s Home Desktop, for mailuser enter mailuser’s name $cp /usr/share/applications/firefox-esr.desktop /home/webuser/Desktop/firefox-esr.desktop edit the firefox-esr.desktop by right click on nautilus or a editor and change command line: old: /usr/lib/firefox-esr/firefox-esr %u to: gksu -u webuser -w "/usr/lib/firefox-esr/firefox-esr %u" […]
Today i got a call and was asked how to STOP Seahorse from asking with a Passphrase Popup after opening Chrome or Chromium Browser: Seems that google implementated a new Tool for Security to Prevent Access to STORED Browser Passwords, BUT this won’t work on Desktops with USER AUTOLOGIN like Lightdm! Howto: open a Terminal an enter ln -s /usr/share/applications/google-chrome.desktop /home/username/Desktop/google-chrome.desktop Now open the new Icon on the desktop with the mouse right click Change Command Line for Chrome : google-chrome-stable –password-store=basic %U or for (chromium): Now open the Browser with the new Icon Link On Ubuntu you can hold the Icon […]
If you use SSH Logins to your Systems, you perhaps want to know, who logged in last days and from which IP Address. Screenshot SSH Login Echo LAST Info: Howto: Open the .profile File at your Home with a Editor and enter: clear last -n 4 This will echo after login the last 4 Logins including the used IP’s To prevent Hackers to purge the lines set the .profile File “readonly” sudo chmod 444 .profile sudo chown root:root .profile