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  1. [all variants] Re: Intermittent poor performance, low CPU frequency, Thermal throttling?

    That processor has a fairly low TDP (Thermal Design Power). It might be power throttling.

    Note: I only know Intel processors. They will power throttle by themselves. Not sure if the same applies...
  2. [SOLVED] Re: What is the each command's different merit between su and sudo?

    Disagree.

    Example:


    doug@s18:/media$ ping google.com
    PING google.com (172.217.3.174) 56(84) bytes of data.
    64 bytes from sea15s11-in-f14.1e100.net (172.217.3.174): icmp_seq=1 ttl=57...
  3. Thread: No DNS

    by Doug S
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    No DNS

    Hi All,

    I have had 20.04 on my main test computer for a few months now.
    I just put the computer on its own static IP address, and in doing so I changed the network interface it is using.

    Note...
  4. [SOLVED] Re: What is the each command's different merit between su and sudo?

    Incorrect. The default user, the one made during the install, will be in the sudo'ers list and can use the su command.

    Incorrect. It exists, but you can not login as root directly.
  5. [ubuntu] Re: weird weird weird login troubles in ubuntu 20.04

    I didn't use any command. My point was that sometimes computers can have multiple network names that end up at the same place. However, they typically only have one reverse lookup answer. So in my...
  6. [ubuntu] Re: weird weird weird login troubles in ubuntu 20.04

    This thread needs to be moved to the development area.

    For whatever reason your computer thinks its primary name is worker01.
    I can get the same thing (also a 20.04 computer) if I login using an...
  7. [SOLVED] Re: What is the each command's different merit between su and sudo?

    Yes, agreed. However that particular example was for when even that doesn't work, because the number of files even exceeds the regular (not sudo) limit. Example (200,000 .txt files and 6 .save files...
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    [ubuntu] Re: What is the purpose of Netplan?

    Does anyone know if netplan is being adopted by other debian based linux distributions? I only know if it being used by Ubuntu/Canonical.

    So far, I have stayed with Ubuntu server 16.04, however...
  9. [gnome] Re: latest update of ubuntu 20.04 dev. branch gnome version

    To clarify: The old kernel works o.k. the new one doesn't. Is that correct? If yes, then my suggestion is to just wait and try the next kernel. If issues continue then look deeper into it.
    (note: I...
  10. [gnome] Re: latest update of ubuntu 20.04 dev. branch gnome version

    Hi and welcome to Ubuntu forums.

    did your update today include a new kernel? Perhaps 5.4.0-18-generic? And have you tried going back to the previous kernel?
    It should still be available, but you...
  11. [server] Re: Ubuntu Server KVM error - CPU does not support

    It used to be trivial to nest KVM/QEMU vm's. Then it got harder, but still relatively easy a few years ago, as one had to remember to set `/sys/module/kvm_intel/parameters/nested` in the VM....
  12. [SOLVED] Re: What is the each command's different merit between su and sudo?

    I was just trying to reply to the question, but thanks. However, I am always wanting to learn more, but so far haven't been able to use xargs to overcome the issue. Note sure what I'm doing wrong.
    ...
  13. [SOLVED] Re: What is the each command's different merit between su and sudo?

    I will use "su" mode instead of the "sudo" command prefix when attempting to delete many many root owned files in one command.
    Why, because "sudo" has an arbitrary, and rather low, limit on the...
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    Re: Looking for xtables-nft package

    I have been trying to figure out a reply, and am not certain:

    Isn't the xtables-nft stuff in the kernel already, at least as a module? In which case, you merely have to start using it, which...
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    [SOLVED] Re: sorting by IP address

    I have always found sort -g to be good enough for my needs.
  16. Thread: Kernel 5.6

    by Doug S
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    Re: Kernel 5.6

    I get the same(well, i get the error 5601 times), and added effects me also to an existing launchpad bug report. I also see an upstream bug report. Hmmm... upstream says "fixed" for version 0.136 of...
  17. Thread: Kernel 5.6

    by Doug S
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    Re: Kernel 5.6

    Seems that I can not run a KVM/QEMU type VM with the mainstream kernel running on the host. I get this:


    doug@s15:/etc/libvirt/qemu$ virsh start serv-ff
    error: Failed to start domain serv-ff...
  18. Thread: Kernel 5.6

    by Doug S
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    Re: Kernel 5.6

    O.K. I have been running it overnight on two computers. Done a kernel compile on one. O.K. so far.
    Clean kernel compile seems to take about 20% longer than it did for kernel 5.5.

    As of the last...
  19. [SOLVED] Re: How to pass packets between two network interfaces through manually written filte

    What are the sub-net masks? I am assuming those are two different sub-nets, perhaps with a 24 bit mask? What are the IP addresses of eth0 and eth1, the same or different?
    I think the "-o eth1"...
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    Re: Firewall rules not working as intended

    Your iptables rules listing seems incomplete, therefore we can not answer your question. Do this: "sudo iptables -v -x -n -L" and post it all, although I find ufw generated rule sets difficult to...
  21. [SOLVED] Re: A moment at which Ubuntu 20.04 switches from Gnome to Unity?

    Do you know how to check the status of a package's migration away from python 2.X dependencies?
    My particular example is the "kernel-package", which still wants to pull in a ton of python 2.x stuff:...
  22. [SOLVED] Re: A moment at which Ubuntu 20.04 switches from Gnome to Unity?

    I am having struggles with 20.04 and lingering python 2.X dependencies also.
  23. [server] Re: allow only 1 (not specific) IP at a time on a port

    @SeijiSensei : thanks for trying it and your additional information.

    I played around some more and had difficulties getting repeatable good test results. I think my suggested iptables rule should...
  24. [server] Re: allow only 1 (not specific) IP at a time on a port

    I think this iptables rule will also do what you want:


    sudo iptables -A INPUT -p tcp --dport 22 -s 0.0.0.0/0 -m connlimit --connlimit-above 1 -j DROP

    The rule will have to be placed properly...
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    [ubuntu] Re: macbook pro 13" mid 2012 getting hot

    Everything looks O.K. to me. The processor does seem a little warm for the load, but I don't think that is uncommon for laptops, not sure.
    I put some small CPU load on my test server (not a LapTop)...
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