Sunday, February 19, 2017

How To Kill A Process With A VBS Script

VBS Script

This shows how you can use a vbs script to kill a process/task without windows task manager. Just replace the "firefox.exe" with any processes you want to kill.

VBS Script:

Friday, February 17, 2017

How To Configure Pfsense with OpenDNS (Web Filtering)

Open DNS


Requirements
1.Install pfsense 2.3.1 (More than one Dynamic DNS included in this version)
2.Sign up with OpenDNS
3.Configure your network on OpenDNS and don’t forget to configure your web filter settings

Assuming that you have completed the above requirements, first you have to change your DNS on pfsense to OPENDNS. To do this, go to Systems > General Setup. Under DNS Server Settings

DNS Server 1: 208.67.222.222
DNS Server 2: 208.67.220.220
DNS Server Override: Unchecked
Disable DNS Forwarder: Checked

See Figure 1 and 2.

Figure 1.

Tuesday, February 14, 2017

How To Change Active Partitions


DiskPart


Upon purposely changing the active partition on my system drive, I was faced with a BOOTMGR is missing error during my system’s start up that prevent Windows from starting. It is a common mistake to make when playing with partitions on a system drive and it can be a headache to solve if not prepared. To change your active partition back using the Windows 7 recovery disc or Installation DVD, follow the steps below.

How To Fix A Computer That Won’t Boot

Windows Boot Manager
 

Fix Bootmgr is Missing in Windows 7/8/10
Windows failed to start. File: \Boot\BCD 0xc00000f
Disk boot failure: Fix for Windows XP, Vista, 7, 8, 10
How to fix "no bootable device – insert boot disk and press any key"
No bootable device – insert boot disk and press any key
NTLDR is missing or corrupted
Ntoskrnl.exe is missing
Ntdetect.com is missing
BOOTMGR is missing or corrupted
NTFS.SYS is missing
Hal.dll is missing

Thursday, February 9, 2017

A New Way To Open And Edit PDF Files Online for FREE

PDFescape
 

PDFescape (The Original Free PDF Editor & Form Filler Online or Desktop)

A new way to open and edit PDF files online, PDFescape frees users from the typical software requirements for using the de facto document file format. Completely online, PDFescape requires no more than a modern internet browser and an active internet connection. Select any of the major features below to learn more.

PDFescape is a service started by Red Software, a California software company which specializes in PDF related software.

PDFescape is the first online PDF reader, editor, form filler, and form creator that does not require the download or installation of any software. PDFescape is entirely web based, relying on XHTML, JavaScript, XML, and AJAX.

Wednesday, February 8, 2017

How to Convert VA to Watts

VA to Watts


How to convert apparent power in volt-amps (VA) to real power in watts (W).

VA to watts calculation formula

The real power P in watts (W) is equal to the apparent power S in volt-amps (VA), times the power factor PF:

P(W) =  S(VA) × PF

So watts are equal to volt-amps times the power factor.

watts = volt-amps × PF

or

W = VA × PF

How to Size a UPS

Uninterruptible Power Supply (UPS)


You have decided that you need a UPS. How do you know which one to pick? Here are several options and tools available to assist in sizing the right UPS.

Do it the old fashioned way! With a few simple questions and calculations, you can identify your power needs and find the right UPS (Uninterrupted Power Supply). Follow these steps below. Our UPS Sizing Worksheet will help you get the job done right.

How to Open a Port in Squid Proxy Server

Squid Proxy


By default the following TCP port numbers are opened in squid proxy server.

acl Safe_ports port 80                    # http
acl Safe_ports port 21                    # ftp
acl Safe_ports port 443                  # https
acl Safe_ports port 70                    # gopher
acl Safe_ports port 210                  # wais
acl Safe_ports port 280                  # http-mgmt
acl Safe_ports port 488                  # gss-http
acl Safe_ports port 591                  # filemaker
acl Safe_ports port 777                  # multiling http
acl Safe_ports port 1025-65535   # unregistered ports

If a web server listening on custom port 81/TCP, squid server will not allow to browse to  that server due to the port 81/TCP is not listed as Safe_ports.