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        <title>ABI Knowledge Base - infra</title>
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       <dc:date>2026-07-10T19:22:57+00:00</dc:date>
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        <dc:date>2026-06-22T15:03:25+00:00</dc:date>
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        <title>backup_dataset</title>
        <link>https://wiki.abi.am/infra:backup_dataset?rev=1782140605&amp;do=diff</link>
        <description>Backup a Dataset

ABI uses zelta to replicate ZFS datasets from production servers to the backup server hoth via ZFS send/recv. Backups run automatically via cron, but this page covers how to manually trigger a backup.

The Backup Server: hoth

hoth (bak1) is the dedicated backup server. Its main backup pool is</description>
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        <dc:date>2026-05-03T18:40:12+00:00</dc:date>
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        <title>changelog</title>
        <link>https://wiki.abi.am/infra:changelog?rev=1777833612&amp;do=diff</link>
        <description>Infrastructure Changelog

This page documents changes to ABI&#039;s infrastructure -- server updates, software installations, configuration changes, maintenance events, and outages. Entries are in reverse chronological order (newest first).

IT team: please add an entry here whenever you make a significant change.</description>
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        <dc:date>2026-05-03T18:40:13+00:00</dc:date>
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        <title>ldap</title>
        <link>https://wiki.abi.am/infra:ldap?rev=1777833613&amp;do=diff</link>
        <description>LDAP in a nutshell

You configure a database /?/ of users /that you add manually/ and tell other services, like peertube /or the linux login system even/, to look for the individuals in the ldap directories. This way an admin does not make an accound for 500 different users in 500 different servers. The user is made in ldap, and then some to-be-integrated server, like Mastodon for example, is told to get the users email, password, phone number etc from LDAP.</description>
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        <dc:date>2026-06-30T15:23:14+00:00</dc:date>
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        <title>overview</title>
        <link>https://wiki.abi.am/infra:overview?rev=1782832994&amp;do=diff</link>
        <description>Infrastructure Overview

This page provides a high-level overview of ABI&#039;s computing and network infrastructure. For user-facing documentation, see Cluster Basics.

Architecture

ABI&#039;s infrastructure runs on FreeBSD physical hosts with compute workloads running in</description>
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        <dc:date>2026-06-30T15:23:45+00:00</dc:date>
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        <title>servers</title>
        <link>https://wiki.abi.am/infra:servers?rev=1782833025&amp;do=diff</link>
        <description>Server Inventory

This page lists all physical hosts and virtual machines in ABI&#039;s infrastructure.

Physical Hosts

All physical hosts run FreeBSD.
 Hostname  Alias(es)  Role  OS  CPU  Sockets x Cores  RAM  Storage  Notes  geonosis  nas0, genomic  HPC hypervisor + NAS</description>
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        <title>start</title>
        <link>https://wiki.abi.am/infra:start?rev=1782152609&amp;do=diff</link>
        <description>This page (will) describe ABI&#039;s infrastructure, such as network devices, servers, software setup and more.

These pages must be filled as soon as possible:

	*  Overview
	*  Servers
	*  Network
	*  Monitoring
	*  Automation
	*  LDAP

Some interesting pages

	*  How To&#039;s
	*  Process and Service Management</description>
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        <dc:date>2026-06-22T18:35:45+00:00</dc:date>
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        <title>tips_and_tricks</title>
        <link>https://wiki.abi.am/infra:tips_and_tricks?rev=1782153345&amp;do=diff</link>
        <description>Tips and Tricks

Quick one-liners and short guides.

	*  Clear SSSD Cache
	*  Kill All Processes of a User
	*  Remove Spaces From Filenames
	*  Get Your IP Address
	*  Check Internet Speed
	*  Format squeue Output

See Also

	*  How To&#039;s
	*  Infrastructure</description>
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        <title>virtual_machines</title>
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        <description>In order to boot the HPC VMs the system administrator must run the following commands


vm start thin-01 # start the vm thin-01
ping thin-01 # make sure that you get a response back before starting a different VM

vm start thin-02
ping thin-02

#optionally, if you are not scared

vm start thick-01
ping thick-01</description>
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