apt-get update failed because certificate verification

Ubuntu apt-get update shows Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake:

Monitor Website in Zabbix

1.Select the host in Zabbix 2.In the Applications tab, click on Create Application and specify name 3.In the Web Scenario tab, click Create web scenario…
Reset User Password and Force Change At Next Login

Delegate Password Reset Permission

The steps involved to set delegation for a AD user or group to reset account password permission.
Add AD Group account to Sudoers

Add AD Group account to sudoers in Ubuntu

Add %ADgroup ALL=(ALL) ALL to sudoers file to provide sudo privilege to AD group

Network Interface Configuration for VM moved from Hyper-V to VMWare

The network interface of VM converted from Hyper-V to VMWare may not work until you change the name of network interface in netplan.

Change Microsoft Teams Directory Status from On-premise to Online

Change AD attribute msRTCSIP-DeploymentLocator of the affected user to “sipfed.online.lync.com” to change Teams Directory Status to Online without Skype for Business Server