Author Archives: Parker Jardine

About Parker Jardine

Manager of Systems Administration in the Information Technology Higher Education space. I enjoy biking, climbing, hockey, camping, mountaineering, hunting, paragliding, and just being outdoors. You can read my Make Magazine project articles about a diy solar panel and solar systems design in volumes 12 and 14.

Mac network accounts are unavailable – macOS Sierra, High Sierra

Applies to: macOS Sierra, macOS High Sierra, Active Directory 2008 R2 functional level and greater, Windows Security Baselines for Active Directory Our environment currently consists of Mac computers that are bound to Active Directory. Recently we deployed some new Active … Continue reading

Posted in Active Directory, macOS, Security, Windows Security Baselines | Tagged , , , , | Leave a comment

Kemp LoadMaster RESTful API Mangement with Powershell

There are several articles explaining how to access and manage the Kemp LoadMaster with the RESTful API. However, there are not very many articles that show you how to connect via Powershell. I attempted to follow several articles, but I … Continue reading

Posted in API Programming, Kemp LoadMaster, Powershell | Tagged , | Leave a comment

Graylog REST API – Creating User Token with Powershell

In order to access the Graylog REST api you need to do the folllowing: Create a new user within the User UI Temporarily assign the user the Admin role (Permission needed to create a token) , or use the REST … Continue reading

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Office 365 Address list Recipients Missing

In my organization we rely heavily on Address Lists within Exchange Online. For several years people have been able to find other people within the organization by accessing the Address book within Outlook or OWA, select the department and find … Continue reading

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Installing Cachet on Red Hat Enterprise Linux 7 (RHEL)

Below is my attempt at documenting the steps that I performed to successfully install Cachet on RHEL 7.  I had to use not only the official installation guide from Cachet, but several other guides provided by people who have successfully … Continue reading

Posted in Cachet, Linux, PHP, RHEL7 | 3 Comments

Duo Authentication Proxy Configuration

The DUO authentication proxy is a quick and easy way for a business to start to test 2FA with certain important applications. A lot of software doesn’t have 2FA built in, but does offer some LDAP user/group authentication. Software such … Continue reading

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Office 365 / Exchange Hybrid Security Issue

I have recently determined a major security issue related to deleted mailboxes in an Office 365 Hybrid environment. Our former decommission process for accounts was to allow Office 365 to delete the mailboxes of “Former” users no longer at the … Continue reading

Posted in Exchange 2013, Office 365 | Leave a comment

New Active Directory Replication Status Tool

It’s that time of the year for another Exchange 2013 CU upgrade.  Usually the first part of the upgrade process is to check to see if you need to extend the AD schema etc. Before I extend the schema I … Continue reading

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RHEL7 extend a LVM managed XFS File System

Most virtualization/linux administrators will have to continually expand certain virtual disks from time to time to increase free space.  Here is my simple step-by-step procedure to expand these volumes.  This process assumes that the volume you want to expand is … Continue reading

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Office 365 Mailbox Migration – RemoteRoutingAddress Issues

I recently started an Office 365 Exchange migration batch job with several thousand mailboxes.  The migration of the mailboxes was working just fine, but we heard  reports of bounced messages to a few migrated mailboxes. Remote Server returned ‘554 5.4.6 … Continue reading

Posted in Exchange 2013, Office 365, Uncategorized | 3 Comments