Update a VM’s alias: Set a VM to not autoboot:
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Category Archives: Operating Systems
vmadm by example
29-Apr-12Deploying a Zone on SmartOS
29-Apr-12Assuming a fresh install: References: How to create a zone ( OS virtualized machine ) in SmartOS
Burning a CD using wodim on Ubuntu
29-Apr-12“wodim – write data to optical disk media… This application is derived from “cdrecord” as included in the cdrtools package created by Joerg Schilling, who deserves most of the credit for its success.”
If this is a defensive setting – monitoring for a host being used as a spam bot, for example – you may want to consider rate-limiting outbound SMTP traffic first, to prevent your log partition from being filled (and limit the damage done by a compromised host in the first place):
Converting an IP Address to Hex
09-Nov-10Convert an IP address to hex using the “gethostip” command: This is useful for naming files in a pxelinux.cfg directory, for instance.
For Red Hat or clones, or ESX/ESXi, use “grub-md5-crypt”: Copy and paste to “rootpw –iscrypted” as appropriate.
Example checkinstall arguments
02-Aug-10NetApp requires setting a timeout value of 190 seconds for all VMware data stores on their filers to handle “long fabric or storage-side I/O interruptions”; this is done as follows on FreeBSD: This can be set permanently in /etc/sysctl.conf: Elsewhere, I have seen a recommendation for FreeBSD on ESX that kern.cam.da.retry_count be set to 120.
Query Architecture of RPMs
15-Jun-10To query the architecture of installed RPMs, use a custom query format: