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  1. [server] Re: postfix newbe, cant get it to work, can sombody help pls.

    Looks like that worked; did you get the message at GMail?

    Any chance you can get xs4all to create a reverse DNS record for your IP that points to bootsmaat.nl rather than...
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    Re: ssh server help

    You might be able to set up an OpenVPN tunnel between your computer at home and the EC2 instance. Then you could use iptables to forward port 22 on the instance back to port 22 on the machine at...
  3. [SOLVED] Re: send notification from pc to andoid

    kdeconnect-cli has a lot of options. See "kdeconnect-cli --help" for a list. My guess is you need to specify a "device ID" or a "device name." Running "kdeconnect-cli -l" returns a list of visible...
  4. [server] Re: postfix newbe, cant get it to work, can sombody help pls.

    Mail from "bert" will not be accepted. It needs to be a complete address.

    More significantly, I find this when I look up your hostname and address:



    # host bert-server1.fritz.box
    Host...
  5. Re: [UBUNTU 18.04] setting up private dns server with bind9

    First, a reverse domain maps from IP addresses to hostnames. All the entries need to be of the form


    1 IN PTR myserver.example.com.
    10 IN PTR myclient1.example.com....
  6. Re: Very annoying lag Linux Ubuntu 18.04.3 LTS with external display from Samsung

    Did you install the NVIDIA driver using the Driver Manager in System Settings?
  7. [ubuntu] Re: Linux/Unix commands for seraching database

    What kind of "database?" If it's an SQL system like MySQL or PostgreSQL, you'd need to use the native client for those systems and write a query in SQL. Something like

    select * from tablename...
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    [SOLVED] Re: upload but not delete permission

    You can protect a file saved to a shared directory from being deleted by other users with rights to the shared directory using something called the "sticky" bit. I don't know of any way to allow a...
  9. [lubuntu] Re: How can I measure the throughput of Samba?

    Samba isn't any more or less "intensive" than any other TCP service. I'm not sure what you're expecting to find. In particular, I don't know what you mean by "throughput." Samba transfers files...
  10. [server] Re: postfix newbe, cant get it to work, can sombody help pls.

    Let's start with the basics. See if you can telnet to port 25 on gmail-smtp-in.l.google.com.

    GMail is pretty fussy about which servers it will accept mail from. If you're on a residential...
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    Re: Canonical Ubuntu 20.04 Survey

    Rather surprised they didn't ask what "flavor" I'm running.
  12. [SOLVED] Re: Low disk space on “Filesystem root”

    Your docker is installed as a snap and has no free space (see the line for /dev/loop18 in the image above). See if you can install a version from an ordinary .deb in the repositories. I never use...
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    Re: asus machines

    M31AD desktop with an i5 connected to my TV. Once had a RAID1 array, but I have since moved that to the Dell T30 server I own. Added a fanless NVIDIA GT1030, after the prior GT750 was removed...
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    [ubuntu] Re: Software raid corrupted?

    Well the error messages say there's a physical problem with /dev/sda1. Is that part of the RAID set? If, after using emergency mode, you run

    mdadm --detail /dev/md*
    what do you see? Is...
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    Re: Database Web app

    Most web apps on the Linux platform use a combination of PHP, Perl, or Python to code the application, and database systems like MySQL or PostgreSQL on the backend. This site is written in PHP; DK...
  16. Re: What magical incantation do you need to get web browsers to play 5.1 audio?

    YouTube doesn't appear to support 5.1 audio.

    https://askubuntu.com/questions/733359/does-youtube-support-5-1-surround-sound

    Even its pay-TV service, YouTubeTV, does not yet support 5.1, though...
  17. [ubuntu] Re: How do I get TAIL -F NOT to close when leaving SSH (PUTTY)?

    You could run it in the background sending the output to a file.


    tail -f /path/to/file >> /home/me/tail.log 2>&1 &

    I included the "2>&1" just in case this process generates output sent to...
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    [server] Re: Edit default values for new users

    I'd start by looking at the options in /etc/login.defs.
  19. Re: Server not booting after messing with root file permissions

    Every account other than the initial one created that has sudo privileges has limited access. Ordinary users can write files to their home directories and to /tmp. That's it.

    Now there are other...
  20. Re: Server not booting after messing with root file permissions

    I vote for reinstalling. Trying to go back and fix permissions changes could take a very long time.

    Promise me you won't do this again. The permissions structure is carefully laid out and doesn't...
  21. [SOLVED] Re: MS-DOS Disk cloning (using whole disk image)

    I prefer ddrescue myself. "sudo apt install gddrescue" to install. (The "g" stands for "GNU.") I've used it to clone the SATA hard drives in two laptops onto SSDs. Worked flawlessly both times.
    ...
  22. Re: Laptop doesn't suspend when closing the lid

    Hmm. I use Kubuntu, and that option has been in System Settings for as long as I can remember. I just checked now, and it's still there in 19.10.
  23. [lubuntu] Re: 19.04 - Keep getting "/dev/sda1: clear ..." message when booting. Why?

    In both Kubuntu 19.04 and 19.10 I'll see the output from the filesystem check on the screen briefly during boot. Its appearance has been a fairly recent phenomenon.
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    Re: My savings using Linux

    Well, I'm sure you're not the only person on this forum who builds his or her own computers. I was talking about in real life.


    Last I looked an individual STATA license was around $800-900. ...
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    Re: Changing DNS

    Apparently systemd-resolved is not in its own package. You need to install the entire systemd package.
    ...
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