VMware – Replace the ESX Certificate
May07

VMware – Replace the ESX Certificate

ESX Certificate KB ID 0000974  Problem ESXi comes with a self-signed certificate, and for most people that’s fine, but some clients want to have a ‘Trusted’ certificate on theirs, and have their own PKI infrastructure for issuing them. Below I will generate a new certificate for my ESXi server using the Active Directory Certificate Services role on Windows Server 2012. Then replace the self-signed certificate with my new...

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Cisco ASA Remote Management via VPN
Apr21

Cisco ASA Remote Management via VPN

ASA Remote Management KB ID 0000984 Problem It’s been ages since I has to do this, I usually just manage firewalls via SSH from outside. But I was out on a client site last week and needed to connect to to my ASA, so I simply connected in via AnyConnect; Note: The same procedure is applicable if you are an IPSEC VPN client, L2TP VPN client, or simply coming in over a site to site VPN link. And attempted to SSH, no joy, I tried...

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Juniper SRX Alarm Light Lit
Jan17

Juniper SRX Alarm Light Lit

SRX Alarm Light KB ID 0000993 Problem I noticed the alarm light was lit amber on an SRX240 Juniper firewall. Solution : SRX Alarm Light This will not serve as a solution to every alarm on the SRX, but it should point you where to look, and show you how to resolve the two problems I identified on my firewall. View SRX Alarm Light Status in J-Web The status is displayed on the ‘Dashboard’ tab, here you can see I’ve got...

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SSH: Host Identification Has Changed
Aug29

SSH: Host Identification Has Changed

Host Identification Has Changed KB ID 0001889 Problem I’ve been doing a lot of building and destroying Linux boxes lately, and came across this problem, (while attempting to SSH into one). WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The...

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VMware Enable SSH (vSphere ESX)
Apr01

VMware Enable SSH (vSphere ESX)

  VMware Enable SSH KB ID 0000299  Problem Should you wish to get SSH (remote secure console) access to your ESX  hosts, you need to do the following. ESX Version 8 and Newer ESX Version 6.5 and Newer ESX version 5 and Newer ESX version 4.1.0 ESX version 4.0.0 and earlier ESX version 4.0.0 and earlier Solution VMware Enable SSH ESX 8.0 Directly on an ESX Host: If you have a stand-alone ESX Server running version 8.x, Log in via the...

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