Replacing VMware-stsd certificate on 6.5/6.7

If the vCenter was upgraded from 5.5, it retains legacy endpoints for lookup service IE: https://FQDN:7444/lookupservce/sdkRunning certificate-manager will not replace the certificate and vCenter might actually start to complain about expired certificate although they are valid. In this can be easily worked around by replacing the certificate on the VECS store: Start by exporting the […]

Understanding VMCA, Manual VMCA Certificates replacement for vCenter.

VMCA is the Default self-signed certificates that is set up at the time of vCenter deployment. All solution users and machine SSL certificates are signed with this certificate. VMCA certificates can be regenerated by using option 8 on the certificatae manager. choosing option 8, you are presented with the below options: Below are the .cfg’s […]

Restricting Plugins on vSphere web-client (Flex and html5)

on Certain occations when the vCenter is upgraded, Plugins like pure, Netapp, NSX, SRM etc can cause incompatibility and prevent the webclient from loading up/Malfunctioning Starting vSphere 6.7, we have a config file to white list and black list plugins which helps us to flag specific Malicious/incompatible plugins which prevents the web client form loading […]

recovering from an unresponsive hostd after a datastore/storage goes PDL

Hostd crashes with the below: Scsi Decoder: Link In my case, The volume appeared to have gone offline because the host was aborting the commands to the HBA. This shows that hostd still appears to be stuck as running in a zombie state. To resolve this, we will need to reset scsi commands to vmhba32 […]

PostgreSQL: could not open file “/var/lib/pgsql/data/pg_clog/0726”: No such file or directory

when selecting a specific date from a table, at times due to database corruption Postgres might report the file was not found. In Such instances, we will can re-create the file using the below dd command (note: data loss on the missing file) Note: Ensure the permissions on the file that was re-created are set […]

joining Esxi to domain fails with LW_ERROR_INVALID_MESSAGE [code 0x00009c46]

Joining Esxi to doamin fails with the below message: Cat /etc/hosts show below: In some cases, the hostname on the /etc/hosts file might not match to that of the host.  (look for the message on domainjoin-join “With Computer DNS Name: esx.” In order to sort this out,  correct the /etc/host file (in my case, I […]