Archive for the ‘vSphere’ Category

Clear ARP on various systems

Just a quick reference for how to clear ARP entries on various systems following a network change: Windows Print arp table: arp -a Delete single entry: arp -d 192.168.1.1 Delete entire arp table: arp -d * Add static entry: arp -s 192.168.1.1 00-aa-00-62-c6-09 Cisco ASA/IOS/NX-OS Print arp table: show arp Delete entire arp table: clear […]

ESXi won’t boot from USB stick

I was installing ESXi 5.5 onto a USB stick today, something I have done hundreds of times. The install went fine, however no matter what I tried in the bios it just wouldn’t boot. Turns out, the server (in this case a HP DL380 G8) had no support for UEFI. Since ESXi5.5 installs as GPT […]

Veeam as a vSphere backup solution

I’ve recently had the pleasure of implementing Veeam Backup & Replication v8 as a direct replacement for BackupExec 2012/2014 vRay edition.  BackupExec 2012 was a terrible product, which is such a shame considering how good its Veritas predecessor was.  BackupExec 2014 was just as bad; its low reliability and poor usability create a huge support […]

Configuring ESXi network coredump settings

Its useful to configure your VCSA as a network dump collector for when your ESXi hosts experience a PSOD, just make sure that the “ESXi Dump Collector” service is running on your VCSA.  The host configuration via ESXCLI is as follows: esxcli system coredump network set –interface-name vmk0 –server-ipv4 xx.xx.xx.xx –server-port 6500 esxcli system coredump […]

Restart ESXi management agent

ESXi 5.x /etc/init.d/hostd restart /etc/init.d/vpxa restart ESXi 4.x /etc/init.d/hostd restart service vmware-vpxa restart ESX: service mgmt-vmware restart service vmware-vpxa restart

Force dismount VMware tools

First post in two years, been incredibly busy and blogging always sinks to the bottom of the list! If VMware tools installer has been mounted to a VM for too long you may experience a scenario where you are unable to unmount it no matter how many times you click end or run dismount-tools. To […]