Desktop shortcut to reset user passwords in Windows
Having users reset their passwords that connect via Remote Desktop from another Remote Desktop have a difficult time using the easiest method of resetting their password, CTL-ALT-END. That…
Re-register Windows client/server in WSUS
To re-register Windows client/server in WSUS review the following instructions: 1. Run “gpupdate /force” command on the Windows client/server that have a registration issue in WSUS. 2. Run…
Configuring Postfix as a Mail Relay on Red Hat
Generally, Postfix will already be installed on a CentOS 7.x machine as the default MTA however it along with a few additional packages will need to be installed…
Administrating Linux Machines Through Active Directory
In a mixed Windows-AD Linux environment, it is beneficial to maintain user accounts for both platforms through Active Directory. Adding Windows machines to Active Directory is a straightforward…
Remove Old Kernels on Red Hat
Keeping a few Linux kernels installed is not a bad idea. If you install a new kernel and for some reason it breaks something else you may have…
Creating a Bootable USB Drive From an ISO on a Mac
First you need to convert your ISO file to the proper file type for your Mac. I am using a Windows 2016 ISO image for my example. $…
Changing a Linux User Password With a Single Command
It is often useful to reset a user password with a single command. You can change the password from a local system with the following:
Adding a New Disk to Extend an LVM Partition
View the existing file structure and capacities with the df -h command. [root@utlxd1304 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 3.9G 0 3.9G 0%…