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Jonathan Kelley Articles


How to setup NFS encrypted Xen backups for all of your hosts

This guide will walk you through the steps required to setup NFS utilizing autossh and SSH tunnels for an encrypted & authenticated channel over public networks. Volume 2 will show you how to set up the NFS server. Volume 3 will provide automated setup using bash scripts. You will need to …

How to censor Jenkins passwords

In our environment we use Ansible through Jenkins frequently and an ansible-playbook I wrote started exposing secrets that I did not want in Jenkins logs. ansible-playbook outputs real-time status about the deploy but also leaks secrets. There were two ways I discovered how to filter, censor, or alter sensitive data …

Configure ISCSI Target & Initiators in Centos 7

ISCSI is the current generation of file storage targets, allowing block-level access to strage devices utilizing SCSI commands over the network. Clients are called initiators and storage devices are called targets. This technology competes with Fiber Channel but that technology requires dedicated cables and backplanes. In this guide I will …

How to reset password on Cisco ASA Firewalls

Cataylist 5585 (and similar) Password Recovery Introduction An absolute beginner will want to plan for 30 minutes of downtime, but might tell their team 1 hour for safety margin. Follow these steps to reset the password: 1) Console into the ASA 2) Reboot the ASA 3) Press the escape key …

Discovered major Issues with Gitlab LDAP Functionality

It seems like Gitlab has a pretty critical bug regarding LDAP accounts. The issue is brought up with Gitlab lots, but the issues seem to sit idle for now. It is impossible to start your organization on Gitlab with local users, and then switch to LDAP when your company matures …