Show old Procurve LLDP

 In CLI use command: show lldp info remote-device

Reset MySQL root password on Windows

Stop MySQL service
Give user full access to /data folder

Command line:

mysqld --skip-grant-tables
mysql -u root mysql
mysql> UPDATE user SET Password=PASSWORD('new_password') where USER='root'; 

mysql> FLUSH PRIVILEGES;

HPE advanced CLI

_cmdline-mode on

1910 password: 512900

1920 password: Jinhua1920unauthorized

Delete windows recovery partitions

Run PowerShell as admin
Run DISKPART.

Find disk ID:
DISKPART> list disk

Select disk you want to modify:
DISKPART> select disk 1

Find partition ID:
DISKPART> list partition

Select partition you want to delete:
DISKPART> select partition 5

Delete selected partition:
DISKPART> delete partition override
DISKPART> exit

Source: www.lifewire.com

VLAN ranges

0 & 4095 -> full range
0 -> internal system reserved
1 -> Cisco default
2-1001 -> used for ethernet VLANS
1002-1005 -> FDDI & Token Ring
1006-4095 -> extended VLANS for other uses

Recycle Bin is corrupted

Run Command prompt as Administrator.

rd /s /q C:\$Recycle.bin

This clears out the $Recycle.bin folder from the C:\ partition. You may have to do this for each hard disk partition in your system

Source: https://social.technet.microsoft.com

Remove duplicate lines with Notepad++

In replace dialog select "Regular expression" and ". matches newline"

Find what:^(.*?)$\s+?^(?=.*^\1$)
Replace with:

Source: https://stackoverflow.com