Category Archives: Virtualisation

All about virtualisation. VirtualBox, VMware Workstation, ESXi and vCenter, qemu

VMWare vSphere: Install a custom a certificate in VCSA Appliance

Hi,

for a higher security level it is recommended to install own (trusted) certificates in to VMware’s vCenter VCSA appliance.
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ESXi: ssh public/private key authentication

Hi,

to login to your ESXi Hosts by ssh using public/private key authentication you need to place your public key into the authorized_keys file of the correspondenting user.
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vCenter: Parameter for generation of ESXi Host certificates

Hi,

is a ESXi host part of a cluster then vCenter is responsible for the generation of the host certificates.
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ESXi: Change encryption cipher modes

Hi,

security scanners may rank the ciphers a ESXi host uses for encryption as weak.
Continue reading ESXi: Change encryption cipher modes

ESXi: Generate a new selfsigned host certificate

Hi,

usually vCenter generates the certificates for the connected ESXi hosts. This is done by the VMCA and can be triggered by the vCenter GUI => Browser to the ESXi Host -> System -> Configure -> Certificate -> Renew.

To generate a new ESXi Host certificate, which is used for https connections at TCP/443 and for the CIM service TCP/5989, a script is located in /sbin.
Continue reading ESXi: Generate a new selfsigned host certificate