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Building a Backup MX

Feb 22, 2022 6 min read UNIXBuilding a MailserverFreeBSD 12Postfix 3

Sometimes, you want a backup mail server. Something that will accept mail and hold it for delivery until your primary mail server is available again. This is the purpose of a backup MX (the MX refers to the type of DNS record that mail exchangers use).

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Backing Up an Opengear Console With Rancid

Jan 28, 2022 1 min read NetworkingRancidOpengearRancid

Recently deployed some Opengear serial consoles (love them, they work great). I needed a way to back them up in some kind of automated fashion. Turns out Opengear has written some scripts to work with Rancid .

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Building an IPSec Hub and Spoke

Apr 24, 2021 8 min read NetworkingpfSense SRXFreeBSD 12IPSecStrongSwanpfSense 2.4JuniperSRX240Junos 12JunOS 15

Sort of a continuation of the last post. This still uses FreeBSD , pfSense , Juniper SRX but it could fairly easily be adapted to OpnSense (fork/clone of pfSense ), and other network vendor appliances.

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Setting Up Telegraf

Aug 15, 2020 4 min read MonitoringInflux and GrafanaFreeBSDTelegraf

Telegraf1 is an agent that is capable of collecting various metrics and exporting them to various storage backends.

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Graphite and FreeNAS

Aug 1, 2020 2 min read MonitoringInflux and GrafanaFreeBSDFreeNASGraphite

If you want to export your FreeNAS1 reporting information to some kind of monitor/collector, graphite is how its done.

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Setting Up InfluxDB

Jul 29, 2020 2 min read MonitoringInflux and GrafanaFreeBSDInfluxDB

Time Series1 databases are all the rage right now.

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Fixing Corrupted Time Machine Backups

Jun 16, 2020 8 min read OS XmacOSOS X

Corrupted TimeMachine backups are annoying. There frequently isn’t any actual problem with the data, just that TimeMachine doesn’t know how to access.

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Rsync Cloning (Don't Do This)

Nov 18, 2019 2 min read UNIXFreeBSDFreeBSD 12

This is a really terrible way of cloning one box to another.

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Replicating ZFS to FreeNAS

Jul 20, 2019 4 min read UNIXFreeBSDFreeNAS 11FreeBSD 12

There are plenty of articles that discuss how to handle FreeNAS to FreeNAS replication, its even covered in the FreeNAS documentation (thank you iX Systems for both automatic and manual setups.

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Juniper SRX and Cisco ASA

Feb 19, 2019 10 min read SecurityCross-vendor IPSecAESCBCIPSecJuniperSHASRX300VPNJunOS 15.1X49CiscoASA5505ASA 9.2(4)

In all the vendor documentation I find, examples for setting up IPSec tunnels use some of the worst encryption possible.

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Louis Kowolowski
Louis Kowolowski
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Recent Posts

  • Building a Backup MX
  • Backing Up an Opengear Console With Rancid
  • Building an IPSec Hub and Spoke
  • Setting Up Telegraf
  • Graphite and FreeNAS

Categories

UNIX30 Networking21 OS X15 Security9 Virtualization5 iPhone4 Monitoring3 Pelican3 Business1 FreeBSD1

Tags

Mac OS X27 FreeBSD 1123 FreeBSD 1022 El Capitan19 macOS19 Juniper17 High Sierra16 Sierra16 FreeBSD 914 Junos 1211

Series

Building a Mailserver8 UNIX for Beginners4 Influx and Grafana3 Rancid3 Apps2 Flight2 FreeBSD-GPS-NTP2 Pelican2 pfSense SRX2 BSD Install1
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