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  1. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    Thanks for the warning! I shall try undoing what I did until post #5! BTW: /etc/resolv.conf was already overwritten but still contains 1.1.1.1. and 1.0.0.1 and everything continues to work fine!...
  2. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    We must have posted at about the same time! TheFu had a very simple solution. I out commented all nameservers in /etc/systemd/resolved.conf and just put:
    nameserver 1.1.1.1
    nameserver 1.0.0.1...
  3. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    I found the problem with sudo and solved it via correcting an inconsistency of hosts and hostname.

    However, the problem with Temporary failure in name resolution persists. When pinging e.g....
  4. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    Thank you! Sorry for the confusion: Sure, I used "sudo" and not "root"! It is not an issue of root or sudo access, it is rather a problem with the domain name resolution. For some reason the DNS does...
  5. [SOLVED] sudo: unable to resolve host ZB: Temporary failure in name resolution

    Hi,
    my ubuntu-22.04 box (named "ZB") got stuck probably because of various parallel VPN connections. As I could not run it down correctly I power cycled it. Now everything is fine again but...
  6. [ubuntu] Re: list unsuccessful connection attempts

    OK, but then fail2ban should at least show something! But there is nothing at all!
  7. [ubuntu] Re: list unsuccessful connection attempts

    Sorry, I just realized that I set ssh to an unconventional port.
    even grep NOTICE /var/log/fail2ban.log* doesn't show anything
    So, it seems that I am quite save. Correct?
  8. [ubuntu] Re: list unsuccessful connection attempts

    thanx! I installed fail2ban and run each of your scripts. In both cases I always get "0" Is this normal?
  9. [ubuntu] Re: list unsuccessful connection attempts

    Thanx, I understand! So, I would also be happy with just getting login attempts on port 22. But how do I find out the IP address of the failed attempt? I only get:

    xxx@XXXX:/var/log$ cat...
  10. [ubuntu] list unsuccessful connection attempts

    Hi,
    how can I list all (unsuccessful) attempt at accessing my ubuntu mate 22.04 box from the internet? All I tried (ie.g. "last" and number of scripts extracting info from the log files) failed...
  11. [ubuntu_mate] Re: gparted: Error executing command as another user: No authentication agent found.

    I now run the above command on another laptop with ubuntu mate 22.04 and, again I receive the same response "/usr/bin/lightdm". So, I guess it cannot the fault of the display manager that gparted...
  12. [ubuntu_mate] Re: gparted: Error executing command as another user: No authentication agent found.

    On the PC gparted does not work:
    grep . /etc/X11/default-display-manager
    /usr/sbin/lightdm

    I get the same on another laptop running Ubuntu 20.04.06 (I do not have the other one at hand) where...
  13. [ubuntu_mate] Re: gparted: Error executing command as another user: No authentication agent found.

    On the laptop where gparted iworks and where it does not work I get the same output:

    printenv XDG_SESSION_TYPE XDG_SESSION_DESKTOP
    x11
    On both I was unable to localize a gear icon, which has...
  14. [ubuntu_mate] Re: gparted: Error executing command as another user: No authentication agent found.

    Thanx!!!!

    When running your script I get; "Error executing command as another user: No authentication agent found."

    when trying to find out which windows manager runs on my machine with...
  15. [ubuntu_mate] Re: gparted: Error executing command as another user: No authentication agent found.

    Thanks for the replies! When I start gparted from the terminal I get: "Error executing command as another user: No authentication agent found" When I start it from Menu / System Tools nothing...
  16. [ubuntu_mate] gparted: Error executing command as another user: No authentication agent found.

    Hi,
    I have two laptops with ubuntu mate 22.04 with the latest updates. On one gparted works as expected. On the other one it issues the error: "Error executing command as another user: No...
  17. Re: Wine access to USB and USB RS232 Adapter

    Thanks, I'll try!
  18. Wine access to USB and USB RS232 Adapter

    Hi,
    I am trying to run two old Win7 programs (Sabsik's cam2com and Hydrotec/bb-sensor's temperature and humidity monitor) via wine from within ubuntu-20.04. Both programs start correctly and show...
  19. [ubuntu_mate] Re: continue using 16.04 after EOL - change of repository in sources.list

    thanks a lot! Most enlightening! I am release-upgrading right now.....
  20. [ubuntu_mate] continue using 16.04 after EOL - change of repository in sources.list

    I'd like to continue using my old 32 bit laptop with ubuntu-mate 16.04 and install corresponding versions of programs e.g. like gnuplot-x11. According to https://help.ubuntu.com/community/EOLUpgrades...
  21. [ubuntu_mate] Re: USB2 / USB3 problems? External HD stopping to work

    Thanks, shall do! In the meantime I checked with 'sudo hardinfo'. It gives me the following output:
    USB Devices
    can't get debug descriptor: Resource temporarily unavailable
    can't get device...
  22. [ubuntu_mate] USB2 / USB3 problems? External HD stopping to work

    I connect four external USB Toshiba HDs (5 TB) formatted with xfs to my workstation running Mate 20.04. Upon mounting them I can perfectly access them w/r. However when scp-ing substantial amounts of...
  23. [ubuntu_mate] Cameras of Lenovo ideapad Miix-320-10ICR still not working under 22.04

    On my Lenovo Miix-320-10ICR I started using Mate 18.04, in the meantime I changed to 20.04 and finally I tried 22.04 desparately hoping that the very last version would support the cameras. In vain:...
  24. Replies
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    [ubuntu_mate] one external HD extremely slow

    Hi,
    I have a number of external hard disks formatted as xfs attached to my ubuntu mate box via USB3 connectors. All but one have reasonable read times e.g.:


    sudo hdparm -Tt /dev/sdj
    ...
  25. [other] Re: Windows Subsystem Linux (WSL2) after win10 update xming does not work

    Thanks to both of you for your ample explanations! I admit that I learned only very recently about wsl and simply wanted to try it out. I find it quite handy to have win10 and ubuntu running in...
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