Tag: vmware

  • ESX Commands – esxcfg-firewall

    I have really forgot to keep up on my VCDX study path. So today a quick tidbit on the esxcfg-firewall command.Many of us today will use the vCenter Client to change firewall ports on the ESX. One instance where I exclusively mess with the firewall from the command line using esxcfg-firewall is when I install […]

  • ESX Commands – esxcfg-dumppart

    Finally have a second to log into the test ESX and mess with esxcfg- commands again. Today, esxcfg-dumppart, this command can be used to list, create and activate dump partitions used by the VMKernel during a crash. I would bet almost everyone automatically creates one of these during the install of ESX. What I mean […]

  • ESX Commands – esxcfg-configcheck

    The ESX Quick reference has information on this command. I didn’t find any posts in the VMware Communities or the Knowledge base with any reference to this command. From what I can cypher it checks the settings of the /etc/vmware/esx.conf . I wonder if it does any more or less.http://screencast.com/t/flViWgGth3 So really, does anyone know […]

  • ESX Commands – esxcfg-boot

    What in the world does this command do? esxcfg-bootesxcfg-boot -h –help -q –query bootvmkmod -p –update-pci -b –update-boot -d –rootdev UUID= -a –kernelappend -r –refresh-initrd -g –regenerate-grubQueries cannot be combined with each other or other options. Passing -p or -d enables -b even if it is not passed explicitly. -b implies -g plus a new […]

  • ESX Commands – esxcfg-auth

    Following my alphabetical method of learning. esxcfg-authusage: esxcfg-auth [options] options: –enablemd5 Enable MD5 password storage –disablemd5 Disable MD5 password storage –enableshadow Enable Shadow password storage –disableshadow Disable Shadow password storage –enablenis Enable NIS Authentication –disablenis Disable NIS Authentication –nisdomain=domain Set the NIS domain –nisserver=server Set the NIS server –enableldap Enable LDAP User Management –disableldap Disable […]

  • ESX Commands – esxcfg-advcfg

    Everything I find out in the VM Blogosphere about studying for the VCDX says to know your esxcfg- commands. Ok. So here I go.The first command as I start out was the one on the top: esxcfg-advcfg. [root@esxlab1 root]# esxcfg-advcfgUsage: esxcfg-advcfg []-g|–get Get the value of the config option-s|–set Set the value of the config […]

  • VCDX – Nugget — Identify iSCSI, Fibre Channel

    Storage – Create and Administer VMFS Datastores using advanced Techniques Describe how to identify iSCSI, Fibre Channel, SATA and NFS configurations using CLI commands and log entries. First, there are several commands relating to storage. Two of which I have discovered give me very useful information. First is esxcfg-vmhbadevs [root@esxvdi01 log]# esxcfg-vmhbadevs -hesxcfg-vmhbadevsPrint the mappings […]