We have a Windows 10 virtual machine and we want to extend its disk drive. We extend the disk on the VMware side just fine. But then when we try to extend the volume in the operating system, the Extend Volume option is grayed out. We then try to convert the disk to dynamic but we …
For some reason the vast majority of VMware environments we run into continue to utilize the default untrusted self-signed VMware web client front end certificate. Why? Who knows – maybe admins are intimidated by the seemingly daunting procedure of replacing the machine SSL certificate. But let’s face it, daunting or not, any HTTPS website should …
Initial replication can take a while when promoting a domain controller to an existing domain. This is especially true for domains containing a rather large number of Active Directory objects. In medium to large size enterprises we have seen the DCPromo process take upwards of two hours to complete even on fast network links. Not …
With the upcoming deprecation of TLS-SNI-01, Let’s Encrypt certificate renewals may start breaking for some clients. For more information regarding the TLS-SNI-01 ACME protocol deprecation see Bulletproof TLS Newsletter #37. As per Let’s Encrypt’s recent notification, “It will stop working temporarily on February 13th, 2019, and permanently on March 13th, 2019”. TLS-SNI-01 validation is reaching …
IPv6 may not always be required and some administrators may elect to disable it on their servers. Here is how to disable IPv6 in Ubuntu Linux. To learn more about IPv6 please visit Wikipedia. 1. Open the “/etc/sysctl.conf” file for editing. To open the file for editing using nano type the following: sudo nano /etc/sysctl.conf …