To choose multiple files and folders user must hold Ctrl and click on desired icons. Now is possible to create checkboxes for icons and use it on old fashion way. Continue reading “Checkboxes and files”
Send to…
Righ click/Send to menu speeds work. Unfortunately, options are limited. But, it can be customized and extended. Continue reading “Send to…”
Copy a file path to the clipboard
Sometimes there is a need to copy a file path to the Windows Clipboard. This is a shortest way.
Continue reading “Copy a file path to the clipboard”
Active Directory: what is difference between user object and contact object?
Shortest answer is: User objects have security identifiers (SIDs), so users can log in and have assigned permissions. Contacts do not have SIDs. Continue reading “Active Directory: what is difference between user object and contact object?”
Active directory: How to find all memberships for specific user
There are three ways, using net, dsquery or whoami command from command prompt. Continue reading “Active directory: How to find all memberships for specific user”
Pairing the Ultraslim Keyboard/Mouse Lenovo
It appears that after a long period with a dead battery, many of the devices are no longer paired with their USB dongles.
ICMP – use of
ICMP is short for Internet Control Message Protocol. It is one of mail internet protocols. This network layer protocol provided control, troubleshooting and error messaging. It works over IP, but it is not transport layer, like TCP and UDP.
Ping, tracert and pathping are some of tools on this level. Continue reading “ICMP – use of”
What is TCP/IP?
TCP/IP is acronim for Transmission Control Protocol / Internet Protocol. They are two main protocols used in modern networks.
Finding serial number of laptop/PC using command prompt
If the label of your computer is missing and the system will power up, you can easily find serial number of laptop/PC as it is written into the BIOS on the system board.
Command Prompt:
Run an elevated command prompt, Enter the command “wmic bios get serialnumber” (without the quotations).
VLAN
Task:
- Divide one physical network (1 switch and 6 PCs) in two separate virtual LANs
- Ports 1 to 10, 21 and 23 should be in LAN 2
- Ports 11 to 20 and 22 should be in LAN 2
- Port 24 should remain in LAN 1
- VLAN 2: PC1 – IP 192.168.0.1/24, Port 1; PC2 – IP 192.168.0.2/24, Port 3; PC3 – IP 192.168.0.3/24, Port 21
- VLAN 3: PC4 – IP 192.168.0.4/24, Port 11; PC5 – IP 192.168.0.5/24, Port 13; PC6 – IP 192.168.0.6/24, Port 22
