How to change icon size of the dock in Ubuntu / Unity

To change the size of the Dock icons go to:

Settings > Appereance > Dock > Icon Size

Disable ask for password after suspend in Ubuntu

Run in the terminal:

gsettings set org.gnome.desktop.screensaver ubuntu-lock-on-suspend false

Add Chrome shortcut for more profiles on desktop

1. Create a file named User.desktop

2.Edit the file:

#!/usr/bin/env xdg-open

[Desktop Entry]

Version=1.0

Type=Application

Terminal=false

Icon[en_US]=google-chrome

Exec=google-chrome --profile-directory=Profile\ 1

Name[en_US]=User

Name=User

Icon=google-chrome

3. Move the file on the desktop

4. Right click on he file and select "Allow Launching" 

5. Double click on the file to start chrome with your profile

Dell Diagnostic Error Codes

Blinking Pattern		Possible Problem	Problem Description
Amber	White
2	1	CPU	CPU failure
2	2	BIOS ROM failure	System board failure (included BIOS corruption or ROM error)
2	3	Memory	No memory/ RAM detected
2	4	Memory	Memory/ RAM failure
2	5	Memory	Invalid memory installed
2	6	Chipset	System board/ Chipset error
2	7	LCD	LCD failure
3	1	RTC power failure	CMOS battery failure
3	2	PCI/ Video	PCI or Video card/ chip failure
3	3	BIOS recovery 1	Recovery image not found
3	4	BIOS recovery 2	Recovery image found but invalid

Excel print to pdf gets the error mandatory field empty

This error occurs when you click on Enable content.

To solve this, you have to go to

Options > Trust Center > Trust Center Settings > Trusted Documents

and click on the Clear button

Lock workstation from command line

Open a command prompt and run the following command:

rundll32.exe user32.dll,LockWorkStation

SMSTS log file location

x:\Windows\temp\SMSTSLog\SMSTS.log

Print file to a network printer from command prompt

copy filename.ext \\ServerName\PrinterName

Enable / Disable fast startup or hybrid sleep from command line

Open a command prompt and run the following commands:

powercfg -h off to disable hibernation

powercfg -h on to enable hibernation

Remove all exif data from photos

Method 1 (exiftool):

Run the following command to remove all exif data from all jpg files (and also the output will be the same file, old files will be overwritten with the new ones)

exiftool.exe -overwrite_original -all= *.jpg

Disable "Power Button Lockout" on HP ZR2440W

If you press the power button and you get this message Power button lockout, just keep the power button pressed for ~10 seconds to disable this feature

Fix: Skype for business error: There was a problem acquiring a personal certificate to sign in

How to fix Skype for business error: "There was a problem acquiring a personal certificate to sign in"

Step 1: Delete sign in information

• open skype
• click Delete my sign-in information
• re-login

Step 2: Delete certificate

• open a command prompt and run the following command:
• certmgr.msc
• Go to Personal/Certificates
• delete the certificate issued by Communications Server

Step 3: Flush the DNS cache

• open a command prompt and run the following command
• ipconfig /flushdns

Step 4: Delete sip folder

• delete your sip folder:
• Windows XP
• go to %USERPROFILE%\Local Settings\Application Data\Microsoft\Communicator<sip_YourEmailAddress>\
• Windows Vista/7/8/10
• go to %LOCALAPPDATA%\Microsoft\Communicator<sip_YourEmailAddress>\
• if you can't find the folder just search in %appdata% for SIP_ and delete that folder (it should look like this: sip_YourEmailAddress)

Uninstall/repair pending update [Windows 10]

Open a command prompt and run the command:

dism /image:C:\ /Cleanup-Image /revertpendingactions

CrowdStrike Windows Sensor: install location

C:\Windows\System32\drivers\CrowdStrike

CrowdStrike Windows Sensor: Check if service is running from command line

Run the following command:

sc query csagent

Flexible Single-Master Operations (FSMO) Roles

• PDC Emulator (One per domain)
• RID Master (One per domain)
• Schema Master (One per forest)
• Domain Naming Master (One per forest)
• Infrastructure Master (One per domain)
• Domain DNS Zone Master role (one per domain)
• Forest DNS Zone Master role (one per forest)

Map network drive from command line

Open command line and enter:

net use y: \\ServerName\SharedFolder /persistent:yes

Use the /persistent switch to restore the connection at next logon