Tag Archives: generate

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.
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Linux: Creating a ssh keypair with ssh-keygen

Hi,

ssh-keygen can be used to generate a new ssh key pair.

Continue reading Linux: Creating a ssh keypair with ssh-keygen

OpenSSL: Asymmetric en- and decryption of a file


Hi,

this post describes the en- and decryption of a file with a asymmetric encryption algorithm.

Asymmetric encryption means you encrypt data by a public key and can only decrypt this data with a private key associated with the public key.
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VMware Workstation: Generate a new selfsigned SSL/TLS certificate

Hi,

the VMware Workstation does not provide a program or script to generate a new pair of key and selfsigned certificate.

If’ve written a batch file which builds a new one. The scripts assumes that the Workstation is installed in the default folder C:\Program Files (x86)\VMware\VMware Workstation and uses the openssl command delivered with the program.

Adjust the Countryname, State, etc. to your own needs. Config is based on the VMware Docs.

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Windows: Renew a machine certificate

Hi,

in most Active Directory Enviroments the Certificate Enrollment is active which generates and enrolls a certificate for each client. This can be used for Radius authentication or as certificate for an IIS webserver.

Typically the client renews this certificate itself.
Continue reading Windows: Renew a machine certificate