Windows Subsystem Linux (WSL) name resolution issue
I am trying to run ansible command on a windows server from WSL ubuntu machine. Even ping is failing. Resolution: Add search <domain name> in /etc/resolve.conf file. You should now…
Checks before adding a new Domain Controller
Ensure that you can resolve the IP addresses of the existing domain controllers and that you can reach the DCs over ports 445 and 389 Verify the Healthy Replication of…
Gracefully shutting down Brocade VDX Switches
Note on gracefully shutting down Brocade VDXs 6740s in Logical Chassis Mode Backup the configurationcopy running-config ftp://username@ipaddress/path/filenameor use Putty but enable the session logging. To avoid the page break use…
Migrating Active Directory Certificate Service (ACDS) from Windows Server 2012 R2 to Windows Server 2019
CA server name is not the same as the FQDN of the server hosting the CA. Default common name naming scheme in ADCS is <Domain Name>-<CAHostname>-C . For example, Contoso-w2k12r2-CA…
Migrate Symantec Endpoint Manager 14.2 from Windows Server 2012 R2 to Windows Server 2019 seamlessly without breaking client communications
Way back in 2015 and 2016, I successfully migration all applications and servers from Windows Server 2008 R2 to Windows Server 2012 R2. Since DCSA approved deployment of Windows Server…
VM in Hyper-v getting duplicate IP addresses
I've a VMs running on Hyper-v lab at work. For inter vlan routing I am using pfsense. When I configure a vm with static IP after a reboot it is…
Nessus scanning on Windows Servers with Symantec Endpoint IPS enabled
SEP with IPS enabled was blocking Nessus scanning. Solution: I had to add the host IP of Nessus scanner on the IPS excluded hosts and re-run the scan. Solution: I…
Reading on Active Directory
AD and Disaster Recoveryhttps://www.reddit.com/r/sysadmin/wiki/ms/activedirectorydisasterrecovery What does DCDIAG do...? https://docs.microsoft.com/en-us/archive/blogs/askds/what-does-dcdiag-actually-do How Active Directory Authentication Works? http://www.rebeladmin.com/2018/06/active-directory-authentication-works/ AD DS security is key for any environment as it is foundation of identity protection.…
Linux: Volume Management
I've run into issues where the drive runs out of space and have to add a new one and move the data. Most of the time it scares me. I…
VMware VM resolution
I was getting VM display resolution of max 1280 x 800 only. Small console window and hard to work with. Resolution: Power off the VMIncrease the total video memory. I…
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