Recent content by MimCom

  1. M

    [SOLVED] Expanding a KVM disk on ZFS

    Thanks! Mild PTSD from prior incidents with fdisk on spinning rust.
  2. M

    [SOLVED] Expanding a KVM disk on ZFS

    This seemed like it should be a fairly straightforward process, but I've hit a snag getting the OS to fill out its available space. I started on the PVE host with: qm resize 104 scsi0 +20G which immediately became visible in root@pve1:~# cat /etc/pve/qemu-server/104.conf ... scsi0...
  3. M

    Kernel v4.2.1 just became v5.0

    https://www.phoronix.com/scan.php?page=article&item=linux-2019-features&num=1
  4. M

    [SOLVED] Poor I/O performance

    Is it possible to direct pveperf to test a specific HDD (other then /dev/mapper/pve-root)?
  5. M

    Pihole + LXC Problem

    Found some threads about dnsmasq-base being installed ahead of dnsmasq and creating this sort of conflict, from which came a helpful lsof query, which seems to indicate that systemd-resolve is shimming something: root@pi-hole:~# lsof -Pn +M | grep ':53 (LISTEN)' systemd-r 74 systemd-resolve...
  6. M

    Pihole + LXC Problem

    Just tried installing pihole on an LXC here and hit the same blocker. Apparently, port 53 is already bound in the LXC: May 11 17:09:11 pi-hole systemd[1]: Starting dnsmasq - A lightweight DHCP and caching DNS server... May 11 17:09:11 pi-hole dnsmasq[88]: dnsmasq: syntax check OK. May 11...
  7. M

    Ubuntu 18.04 LTS LXC

    I noticed the pve-template update this afternoon and was able to build a template using DAB. Looks like it pulled a lot of stuff we don't usually want or need (including some x11 stuff) -- template ended up ~3X the size of others we have. Is there a guide for pruning the appliances of unwanted...
  8. M

    Container Linux in a KVM

    Right -- hence my (at least mostly) confined qualifier above. I've asked the app developers to craft an appropriately limited AppArmor profile, but they have more important priorities. This really seems like something that LXC and Docker should have worked out by now.
  9. M

    Ubuntu 18.04 LTS LXC

    Thank you. You guys really do rock this thing -- and Happy Birthday!
  10. M

    Ubuntu 18.04 LTS LXC

    I created an LXC of 17.10, edited the /etc/apt/sources.list and did a dist-upgrade (lengthy). Now: # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Bionic Beaver (development branch) Release: 18.04 Codename: bionic which looks...
  11. M

    Ubuntu 18.04 LTS LXC

    Bionic Beaver ships this week. I would like to start building some test machines and am wondering how to create a template using DAB. Substituting names and numbers into an existing dab.conf returns unsupported debian suite 'bionic' when I try to init. Seems DAB is dependent on some backend...
  12. M

    Container Linux in a KVM

    This started with me trying to find a way to run Docker in an LXC while leaving the container (at least mostly) confined. That turned out to be nontrivial. KVM overhead is significant, so I've been looking at ways to reduce that, along with the hassle of continuously updating VMs. Container...
  13. M

    Container Linux in a KVM

    My first experiment with CoreOS / Container Linux. Spun up a KVM with the current stable ISO as its CDROM. Booted, then created a static.network per https://coreos.com/os/docs/latest/network-config-with-networkd.html and restarted systemd-network. Verified connectivity. Then used sudo...
  14. M

    [SOLVED] VLAN to KVM guest using OVS

    VLAN-aware switch was blocking tagged VLAN packets. Added 88/tagged to both router and switch ports and we have ignition! Thank you for the help on getting 8021q loaded. I do believe the 8021q module should be configured for loading whenever a VLAN is added to a linux bridge or an OVS bridge...
  15. M

    [SOLVED] VLAN to KVM guest using OVS

    Link doesn't clearly indicate which post, but if it's the one two posts up (about creating a VM on 10.0.10.0/24) perhaps I wasn't clear -- here's what I tried yesterday: Added vlan_mode=native-untagged to VM OVS options. Rebooted node, started VM106 -> no success connecting from existing VM106...

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