Linux/Ubuntu Cheatsheets

APT-GET COMMAND sudo apt-get install program-name SERVICE COMMAND sudo service service-name status sudo service service-name stop sudo service service-name start INTERFACE CONFIGURATION FILES sudo vi /etc/network/interfaces RESTART NETWORK SERVICE sudo /etc/init.d/networking restart SOFTWARE SHOULD BE INSTALLED sudo apt-get install openssh-server DETECT NETWORK CARD sudo sudo lshw -C network ifconfig -a…

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Turn off AutoConfiguration on a Network Interface

In Windows, you can turn off the autoconfiguration function on a network interface for troubleshooting.  It’s a registry that you need to add. First of all, open your regedit.exe program.  Then go to the following key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces Expand the key and find your network adapter.  Your network adapter is hashed,…

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Passmark OSForensics ImageUSB

https://www.osforensics.com/tools/write-usb-images.html     ImageUSB is a free utility which lets you write an image concurrently to multiple USB Flash Drives. Capable of creating exact bit-level copies of USB Flash Drive (UFDs), ImageUSB is an extremely effective tool for the mass duplication of UFDs. ImageUSB also supports writing of an ISO…

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The Vietnam War A film by Ken Burns & Lynn Novick (PBS)

The Vietnam War

From the award-winning historian and filmmakers of The Civil War, Baseball, The War, The Roosevelts, and others: a vivid, uniquely powerful history of the conflict that tore America apart–the companion volume to the major, multipart PBS film to be aired in September 2017. More than forty years after it ended,…

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HOWTO: How to make a Bootable USB from a Bootable DVD

1. Get a USB Thumbdrive between 4-32GB. If the drive is larger than 32GB, Windows cannot format it as FATS32, so an alternate utility must be used. Windows can still read FAT32 partitions larger than 32GB, though some devices cannot. However, we are going to use NTFS for the big…

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Cisco Unity Communication Database Queries

I was assigned a task to find out the mailbox size of an individual user.  Below are the queries that I successfully ran. Query the mailbox size of a specific user. GSumner is the mailbox username run cuc dbquery unitydirdb select alias as UserID,bytesize,send,receive, warning from vw_user,unitymbxdb1:vw_mailbox where vw_user.objectid in (select userobjectid…

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Internet Explorer cannot display Cisco Unified Call Manager Administration

  You may get the above message when you try to access Cisco Unified Call Manager Administration in Internet Explorer.  This happens to people using CUCM version 8.3 or 9.2.  The problem is caused by Microsoft security patch KB3061518.  They removed Diffie-Hellman 512-bit encryption from the supporting Windows OS. In order to…

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Exchange: Hide/UnHide Distribution Group Members

By default, this option is not set and it will be treated as false or hiding distribution group members.  You can unhide distribution group members following the below steps. Open Active Directory Users and Computers console Click View Menu and select Advanced Features (to show the Attribute Editor tab) Find your Distribution…

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