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    [server] Re: After kernel update no zfs

    I am about 90% sure. I have installed a lot of 20.04 servers but only with the legacy installer (Debian-based) and not the live installer version (not Debian-based).

    I looked over my old thread...
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    Re: irssi encoding

    Here are links to related documents that might help you in the direction you want to go:

    https://irssi.org/documentation/settings/
    ...
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    [server] Re: After kernel update no zfs

    I don't use ZFS so I am not familiar with it. But I do know that ZFS is not installed by default on Ubuntu Server 20.04 LTS. That has to be added with "apt install zfsutils-linux"

    The kernel...
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    [server] Re: After kernel update no zfs

    Reboot and tell it to load the prior kernel. It will likely be corrected in the next kernel update.

    LHammonds
  5. Re: 20.04.3 + Samba 4.13 + SSSD - Stop working after it was fine

    man pam.conf
  6. Re: 20.04.3 + Samba 4.13 + SSSD - Stop working after it was fine

    I will defer to others that actually run this kind of setup (I don't) but I recall needing to make sure the authentication method needed to be tied into PAM and if an update every reset the PAM...
  7. Re: 20.04.3 + Samba 4.13 + SSSD - Stop working after it was fine

    You are only looking at (or reporting) 1/2 of the puzzle. Make sure you look at the domain controller's event logs for correlating messages.

    I have had Windows updates break connections with...
  8. Re: /etc/security/limits.conf can only be deceased and not increased??

    Rather than make changes system-wide, you could apply them to a specific process. For example, I run a game server that touches a LOT of files due to how they designed their file system (lose files...
  9. [SOLVED] MariaDB failing to update via apt - Repository problem

    I had a MariaDB 10.04 installation that was throwing apt errors. It was mad about the repository. I found out that the repository I had been using was going away so it was a simple matter of...
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    Re: irssi encoding

    Looking at "man screen" I see multiple references for encoding but only for setting "to" utf8. Not setting to anything else.

    Are you sure it was screen and not some other screen manager like...
  11. [server] Re: Trouble with Wordpress file permissions

    There are at least 2 methods for doing updates/plugin installs.

    The secure method has the web server / database permissions set to just the minimum for running the site which means you cannot use...
  12. [SOLVED] Re: Ubuntu Server using Winbind authentication instead of SSSD

    Seems like having a method to monitor changes to key files in /etc would be a good thing to have running...maybe not only detect write changes but also to email a report of what changed.

    I can...
  13. Re: HA cluster - hearbeat vs pacemaker vs corosync, what combo is official?

    I cannot answer that question because I'm just a person that uses the various operating systems to accomplish what is needed (and many times I no say in what platform was used).

    But if that system...
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    Re: System Restore

    Well, you mentioned snapshots at the OS level. I talked about snapshots at a hypervisor level above the OS and then the Op started asking direct questions about virtualization. :)
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    Re: System Restore

    I have not.

    My first deployment of a virtual system was using ESXi many years ago and it is still running to this day...although on its last legs since our company has been moving away from...
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    Re: System Restore

    There is a lot of documentation out there to be found but I never found a "single source of truth" because there isn't one. The hardware used by each person will be different and will change how the...
  17. Re: HA cluster - hearbeat vs pacemaker vs corosync, what combo is official?

    You can achieve HA in a variety of ways with various levels of HA.

    Take for example a database-driven web server. You could have the database and website on a single server and have a 2nd one...
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    Re: System Restore

    And if you run inside a virtual environment, you can create VM-level snapshots...which are oh-so-handy at quickly making a snapshot (or more) and the rollback to a particular snapshot. Extremely...
  19. Re: Ubuntu 20.04 LTS install Apache2 2.4.51

    I am also running Ubuntu web servers on Long-Term Support.
    The current version is 20.04.3 LTS running kernel 5.4.0-88 and Apache 2.4.41

    This "is" the latest and most-current version for the...
  20. [SOLVED] Re: 2 swapfiles in /opt, but only one list in fstab?

    Not convinced a swap file is that much worse than a partition. Swap files should be fine. The goal is not to utilize the swap file...only have it as an emergency overflow. If you are constantly...
  21. [SOLVED] Re: 2 swapfiles in /opt, but only one list in fstab?

    You (or the person setting up your server) was following my tutorial with their own customizations. If you re-read the "Swap File Management" section, it shows how to add and remove swap files...
  22. Re: [ubuntu server 20.04] stop sending crontab mail for all users

    You might want to take one specific email and explain exactly how it is being sent. What you described in general does not make any sense to me. Is the server configured to run individual cronjobs...
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    Re: Backup server 20.04

    Most-definitely yes. My backup approach is very similar to MAFoElffen. I create monthly snapshots of my partitions as well as more frequent full/differential backups of the data.

    I use LVM...
  24. [SOLVED] Re: LetsEncrypt - SSL certificate is not valid

    Re-install of binaries won't fix any configuration issues.

    MAKE SURE YOU HAVE A BACKUP

    I would purge everything off the server related to certbot (especially its config files) and then install...
  25. [SOLVED] Re: LetsEncrypt - SSL certificate is not valid

    Your installation of certbot is not how I have mine installed so I don't know the differences.

    This is how I installed it on my servers:


    sudo apt install certbot python3-certbot-apache
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