Monthly Archives for December 2008
Setting up stronger password policy rules in Linux – Part II
In a previous post we discussed how to setup stronger password policy rules in Linux and found out that any changes we make are not reflected back to existing accounts. So how do we make these changes retroactively apply to … Continue reading
Learning to play
Totally off topic, but I’ve always wanted to learn to play hockey. There’s just something about this sport that has always captivated me. The combination of skill on the ice with the very physical action that occurs during the game … Continue reading
Setting up stronger password policy rules in Linux
Increased password security is no longer an optional item in setting up a secure system. Many external organizations (such as PCI) are now mandating security policies that can have a direct effect on your systems. By default, the account and … Continue reading
Setup SAN disk for use in a Linux Veritas cluster
For this particular exercise we’re going to go through the entire process of provisioning disk for use in a VCS cluster. We will use EMC Symmetrix disk zoned and masked to a RHEL 4u6 host as the foundation.
Find WWN’s on Linux
To find port and node WWN’s while the system is running: 2.4.x Kernels > cat /proc/scsi/[hba_type]/(n) where hba_type is the driver (e.g. lpfc for Emulex) and (n) is the HBA number. 2.6.x Kernels: > cat /sys/class/scsi_host/host(n)/[port_name|node_name] Hosts with multiple HBAs … Continue reading
Setting up VirtualBox external VRDP authentication
[NOTE: I originally posted this on the VirtualBox forum for those that were having issues with using external VRDP authentication and wanted to add it here as well...] I finally found a workable solution that will work for everyone (at … Continue reading