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  1. H

    Forwarding Proxmox logs to Graylog

    It seems to be possible to get something more automated than manual copy-pasting. Still, if it's there, then it's queriable
  2. H

    Forwarding Proxmox logs to Graylog

    you tag the filename_upid and a special tag like this_is_upid_detail, and then when you get a UPID in the mainlog, you can do a query on the this_is_upid_detail with filename_upid == UPID to fetch the relevant details. incron/FAM/etc.[1] is adding a tad more... fragile complexity, to the...
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    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    perhaps should've limited ZFS's ARC sizing?
  4. H

    Forwarding Proxmox logs to Graylog

    I did :) Bit.. of a bigger challenge when you want to stream the logs to a central logger/store (Like Loki / ElasticSearch) using a quite static tool (like Promtail / Fluentd / Graylog )
  5. H

    Forwarding Proxmox logs to Graylog

    My question, as I'm busy with a central logging project on multiple ProxMox clusters to log to Loki via Promtail: is there a hook script of sorts to be able to know when the next file is created/closed/etc.? A bit counter productive to scan the directory every couple of minutes, and then to...
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    Promtail (to Loki) for task logs?

    One of the questions that arise with this: is there a hook that would be called at the end of tasks? Then it'll be an easy method to use that to send the task output to the central logger
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    Promtail (to Loki) for task logs?

    Good day, Anybody done promtail configs for getting task logs into Loki/etc. ?
  8. H

    Advice for memory optimisation / overcommit

    The same way as ISPs oversell bandwidth by playing a numbers game ie. expecting that, on average, users will not use more than 50% of RAM, thus 100 x 2G VPS's expecting to not use more than 100*2*0.5GB of RAM. Some even enforce (inside VMs) echo 3 > /proc/sys/vm/drop_caches and others have...
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    Synchronization over latency links - parallel fetches?

    That is/has been the "solution" to assist in catching up, but it becomes.... tedious to load/create them all. But then it gets stuck with the single big DB which is then single synchronous thread.
  10. H

    systemtap compatible kernels?

    I've got a situation where I need to run something like systemtap to track especially DNS requests. Found this solution https://serverfault.com/questions/192893/how-i-can-identify-which-process-is-making-udp-traffic-on-linux/192920#192920 that would've be a "perfect" solution, but PVE kernels...
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    Synchronization over latency links - parallel fetches?

    I have a case where the latency for a cross continent synchronization, is being slowed down by the "small" requests from the pulling PBS. If I start up multiple synchronization jobs for multiple backups groups, I do get the full (expected) bandwidth, but when it's "stuck" on a single group's...
  12. H

    Secrets vault or similar to Instance metadata and user data (AWS IMDSv1/2)

    I'm starting to hit my head into the needs for something similar to AWS's IMDS (using IPs fd00:ec2::254 & 169.254.169.254) with something connected to a Vault (ala HAshiCorp's Vault) for secrets and automated secret sharing/etc. without the secrets/passwords being unencrypted in the VM/LXC...
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    Problem with VLAN tags

    Draw a network/connection diagram please What is the errors you got?
  14. H

    Machines lose network connectivity after host network restart

    Thank you, My "mods" #First get the stuff we are interested in: qm list |grep running| awk '{print "qm config "$1" | grep ^net|sed -e '\''s/^/qm "$1" /'\''"}'|sh >> /tmp/t1 pct list |grep running| awk '{print "pct config "$1" | grep ^net|sed -e '\''s/^/pct "$1" /'\''"}'|sh >> /tmp/t1 #Now...
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    Machines lose network connectivity after host network restart

    One reason: OpenVSwitch's deamon needs to restart, and that kills the bridge during updates/upgrades of the `openvswitch-switch` package
  16. H

    FAI(me) .ISO for guests - with cloud-init suport?

    Good day I've stumbled on FAIme https://fai-project.org/FAIme/ which creates a "nice" ISO installer that mostly just work... except for the requirement/need of DHCP (not an option at present, unless you could advise a ISC KEA option/replacement with cost effective (for me) static host API...
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    VM network crash after openvswitch-switch upgrade

    well... that replug via GUI is just.... not feasible when you have tens of VMs/LXCs to do. Where is that `ifreload` documented? I wished it was something part of the upgrade documentation/etc. or at least triggered with a warning whenever OpenVSwitch is involved
  18. H

    VM network crash after openvswitch-switch upgrade

    oh, I've been working around this since 6.x days with out of band RMI/iKVM connections that I run the `apt [dist-]upgrade` in a screen/tmux/byobu session after pre-vacuuming the hypervisor, as I know that the VM etc. interfaces will also by "lost" after the OpenVSwitch restart It's especially...
  19. H

    LXC (Ubuntu/Debian) with systemd-resolved's /etc/resolv.conf and adding DNS info?

    Good day, I got the need to fix the DNS query flooding and to deploy systemd-resolved, BUT that means I need to find a different way to inject the LXC's search domains and DNS server. I know what I all have to modify/change, but before I go on that endeavour, I'm wondering what others are...
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    Proxmox VE 7.2 released!

    I need to add the correction there: *IF* you use OpenV-Switch *NO* You must be doing that from a console, and expect to reboot as that is the easier way to get the system and the VM/LXCs connected back to the OpenVswitch bridge(s). Sorry, I get bitten by this every time when I tried this...

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