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    [ubuntu] Re: E-mail errors, sometimes...!

    Does the server contain all the mailboxes, e.g, files like /var/spool/mail/username? If so, I don't see an instance of dovecot in that list of running processes. Postfix is the program than handles...
  2. [ubuntu] Re: No Install alongside Windows 10 option appears when installing

    Likely the entire disk is already allocated to Windows leaving no space for Linux. HP does this all the time.

    Boot from an Ubuntu installation medium (DVD, USB drive) and pick "Try Ubuntu" from...
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    Re: Sharing WiFi to Ethernet

    First possibility is that you did everything right but forgot to enable IP forwarding in the kernel. Edit the file sysctl.conf and set

    net.ipv4.ip_forward=1
    then run

    sudo sysctl -p
    to have...
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    Re: URL for internal network

    Yes, I would first try the /etc/hosts file. (This file exists on Windows machines as well at C:\Windows\System32\Drivers\etc\hosts.)

    Edit the file as root with "sudo nano /etc/hosts" and add a...
  5. [SOLVED] Re: Why does Postfix need to use an SMTP relay?

    Postfix doesn't need a mail relay, but if it doesn't send its mail through a well-regulated relay, the mail is likely to be refused.

    To avoid using a relay you would need, at a minimum, both...
  6. [ubuntu] Re: Cannot ssh Virtualbox from Ubuntu 20.04

    First, I assume you're trying to ssh from the host's virtual IP to the VM's virtual IP, something like 10.8.x.y.

    Any chance the firewall is enabled on the VM?

    You don't need two network...
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    Re: connect several machines

    Usually the modem has an Ethernet port that connects to a router. I have that arrangement here, with a Netlink cable modem and a D-Link AC 1750 router. I own both these items.

    If the Actiontec...
  8. [server] Re: File Sharing - nfs-kernel-server - Service Won't Start

    This error is pretty clear. The directory /media/D_Data has files in it before the mount is attempted. Delete anything in the directory then try the mount again.
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    [server] Re: Webmail Help

    Is it worth $5-10/month to get all this infrastructure out of your physical location and into the cloud? I'd lease a Linode and build the webmail server there.

    My only experience with webmail...
  10. Re: Problem with Samba related to moving WIndows desktop files to newly installed Ubu

    Install WinSCP on the Windows machine. Then install the openssh-server package on the Ubuntu box. Use WinSCP to connect to the Ubuntu box via SCP. If the Linux box doesn't respond to a "hostname"...
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    Re: service produces nogroup

    Usually things like this are set in configuration files.

    Some daemons like SSH have nogroup as their group. On my pretty vanilla installation, these user accounts belong to group 65534, nogroup....
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    Re: Domains and registrars

    I don't know if it's a standard policy, but my registrar, DirectNIC, has a 30-day grace period after the expiration date. You can renew for the standard $15 fee.

    I'm not sure I understand how...
  13. [ubuntu] Re: Default permissions for file creation

    I changed the umask in ~/.profile overriding the default 022 with 077. Then I ran


    seiji@Linux:~$ source .profile
    seiji@Linux:~$ touch test
    seiji@Linux:~$ ls -l test
    -rw------- 1 seiji seiji 0...
  14. [ubuntu] Re: Is Samba read/write rate performance on Ubuntu 20.04 capped at around 11MB/s?

    I use NFS whenever possible.
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    Re: error copying from smb drive

    Mount the share into the file system with an entry in /etc/fstab.

    https://wiki.ubuntu.com/MountWindowsSharesPermanently
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    Re: Does it matter which NIC I use?

    https://www.newegg.com/Product/Productcompare?CompareItemList=9SIA4RE8NV1888%2C9SIA4RE8NV2264%2C9SIAH8W97S5016%2C9SIAM4SA8G3562

    This one gets high marks....
  17. [ubuntu] Re: Video Editing Software - Good One For YT Channel?

    I've been using KDEnlive for nearly a year now. We're conducting online Zoom events as part of our college reunion activities during lockdown. I typically am just adding title slides to an MP4...
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    Re: rsync not copying everything

    Samba shares, like all Windows-based filesystems, are not entirely compatible with *nix file systems. In some cases I've had to ZIP directories on NTFS filesystems and use rsync to transfer the ZIPs....
  19. Re: Run apache2 virtual host as different user

    You could create a virtual host within a domain you control, e.g, myfriend.mydomain.com. Use a <Directory> statement to point to a directory in his home that he can manage.
  20. Re: Insert text from one file into another text file

    cat file1 >> file2

    Appends the contents of file1 to the bottom of file2. The double redirection (">>") means append. With only one redirection character (">") file2 would overwritten.
  21. [SOLVED] Re: Raid5 mdadm assemble with weird error message

    Try putting "/dev/md128" immediately after "--assemble".
  22. [ubuntu] Re: error while loading shared libraries: libssl.so.1.1: invalid ELF header

    libssl1.1 is a separate package. From "apt-cache search libssl"

    libssl1.1 - Secure Sockets Layer toolkit - shared libraries

    Try reinstalling that.
  23. Re: Large transfers over the Internet stalling.

    Do you use the "-v" option in rsync to get a list of the transferred files? Does the failing transfer always hang at the same file, or does it happen randomly?
  24. Re: How to solve getting repeatedly “hacked” on basic 18.04 VPS setup

    Yes, blocking outbound traffic only fixes a symptom, but it is the one that is triggering problems with your provider.



    You'll notice I suggested a fresh install of the OS and, if that doesn't...
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    Re: Securing Computer Lab

    You can reconstruct the skeleton files by copying the contents of /etc/skel as the owner of the home directory. All the files there are hidden, so you need to use "ls -a" to see them:


    $ ls -la...
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