Search this site
Embedded Files
Skip to main content
Skip to navigation
www.rcannings.com
Home
Blog
SSH Key Exchange for Clustered ONTAP
SFO Aggregate giveback failed
Moving a Load Sharing Mirror relationship
SSH Key Exchange for Brocade FabricOS
Consolidated SSH remote admin for multiple devices
Clustered ONTAP 8.2 NDMP
Fibre Optic Specifications summary
Duplicate WWPNs on separate CDOT filer nodes
DFPM Resource Limits
Mounting NFS datastores on multiple VM Hosts with PowerCLI
CommVault Simpana IntelliSnap - DFM Dataset Naming conventions
NetApp MPHA - you might not know there is a fault
Metrocluster single-disk MPHA Faults
Quotas in C-DOT
Using PowerShell to update DNS records
Provisioning new CIFS shares in NetApp C-DOT
CDOT - Check what versions of disk firmware are on your system
Configuring NetApp cluster switches
sfpshow - fault-finding on Brocade Fibre Channel Switches
SNMPv3 in C-DOT
SAN Storage protocols - FC vs FCoE vs iSCSI vs NFS vs CIFS
IntelliSnap / SnapProtect uses e0M for SnapVault relationships
GRUB in CentOS 7
Runlevels and systemd in RedHat / CentOS 7
CDOT Event Logs
Grandstream UCM6104 PBX MyNetFone SIP Trunk
PXE Chain Loading from PXELinux to iPXE and back again
Building an rpm which contains a single file
Puppet Course - Day 1 notes
sed replacing a string in a file
Puppet Course - Day 2 Notes
Puppet Course - Day 3 Notes
Brocade Zoning helper script
Grandstream SIP error across multiple sites
Special Characters - IIS Auth from PXE
contextual data with grep
Upgrading a Dell Compellent from 8GBPs FC to 16Gbps FC
CentOS 7 tuned parameters misinterpreted
Puppet Practitioner Course - Day 1
Puppet practitioner Course - Day 2
Puppet Practicioner Course - Day 3
What does an NBN (FTTH) installation look like?
Apple Airport Express not issuing DHCP
SSH Authorized Keys file deleted when upgrading fabric OS
Building an rpm from source
rpm quick reference - useful stuff
Troubleshooting ipxe errors
Comments in kickstart files
yum - once off enable or disable repos
dracut - default behaviour is "hostonly"
Linux hardware utilities for HP Servers
Pulp create non-mirrored repos
Overriding puppet facts
Multiple values in Cisco CLI
Troubleshooting Puppet YAML errors
Extending a Linux LVM volume in VMWare
Cobbler replicate rsync error - Unknown module
ipxe error 040ee119
Cheetah in Cobbler Kickstart templates
Usenix ATC 2016 - Day 1
Usenix ATC 2016 - Day 2
Usenix ATC 2016 - Day 3
sysctl priorities
Puppet - Augeas Lens for systemd
Dell iDRAC Timeout due to Java proxy automatic configuration
Useful pulp workflow commands
systemd core Isolation
Cobbler ENC for puppet - relies on interface hostname match
Submitting dynamic DNS updates in python
systemd ctrl-alt-del behaviour
Generating CPU load and moving load to different CPU cores
Resolving git submodule path problems
Querying and Updating Active Directory GIDNumber attribute
Expire all objects from a redis cache
cannot pxe boot on an interface with spanning-tree portfast disabled
cannot pxe boot on an interface with spanning-tree portfast disabled
Enable sshd in the RedHat Anaconda installer
Linux Multipathing example
UTF-8 and Putty
Cobbler Proxy 502
Honda Odyssey rear wiper and boot lock fault
Kickstart Metadata Parameters when using Cobbler as a Puppet ENC
RedHat/CentOS boots into emergency mode if it can't mount a filesystem list
Getting started with Python Virtualenv
VIM Block Edits
Python PDB - Debugger
Goss default timeout (10 seconds)
Start sshd for Linux anaconda installer
combining git commits
Problems encountered when upgrading Atlassian Bamboo
USENIX LISA 2018 - Day 1
USENIX LISA 2018 - Day 2
USENIX LISA 2018 - Day 3
Can't hot-add LUN0 from EMC Unity
Uploading custom SSL certificates to EMC Unity
Landscape Photography Course Quakers Hill NSW
CentOS needs-restarting continuously triggered after OS install on new hard
SCRUM Master training
About
Services
www.rcannings.com
Overriding puppet facts
Report abuse
Page details
Page updated
Report abuse