I want to set environmental variables permanently through a batch file. Is there a command to set Permanent Environmental Variable (other than SETX) for Windows XP service pack 3? commandSETX JAVA_HOME=”C:javajdk-1.4″is not … Script – Set Permanent Environmental Variable in Windows XPRead more
Sd card – Disable write-protection on Micro SD
My task today is to open up and copy some files to 700 brand new micro SD cards. As I get going on this task I am finding that some of the … Sd card – Disable write-protection on Micro SDRead more
Seagate Expansion Hard Drive (Portable) is not recognized By Windows!
My Seagate Expansion Hard Drive is not recognized by windows. When I connect it to the computer I do not see “Mass Storage Device” Under “Universal Serial Bus Controller”. I already check … Seagate Expansion Hard Drive (Portable) is not recognized By Windows!Read more
Security – Are .docx or .pdf files potentially dangerous?
Just a general question of computer security – if I download a .pdf or .docx from an untrusted source, can it seriously harm my machine/give a malicious user access to my information? … Security – Are .docx or .pdf files potentially dangerous?Read more
Security – Do computer system units actually go up in flames?
There’s a strong belief amoung non-technical people that home computers should not ever be left on unattended – since they are electrical devices and can go up in flames and set the … Security – Do computer system units actually go up in flames?Read more
Security – Encrypting a user’s directory in Windows 7
I’m running Windows 7 Professional. Is there any way to make a user’s directory (anything under C:UsersFoo) encrypted? I’m looking for something like Apple’s FileVault feature. When I login as an administrator … Security – Encrypting a user’s directory in Windows 7Read more
Security – How are pseudorandom and truly random numbers different and why does it matter?
I’ve never quite got this. Just say you write a small program in any language at all which rolls some dice (just using dice as an example). After 600,000 rolls, each number … Security – How are pseudorandom and truly random numbers different and why does it matter?Read more
Security – How do anti-viruses work?
So I was thinking about viruses recently, and wondering how exactly antiviruses keep up?Considering anybody who’d been coding for a few weeks could hack together something do do nasty, nasty things to … Security – How do anti-viruses work?Read more
Security – How do I list the SSL/TLS cipher suites a particular website offers?
How can I retrieve a list of the SSL/TLS cipher suites a particular website offers? I’ve tried openssl, but if you examine the output: $ echo -n | openssl s_client -connect www.google.com:443 … Security – How do I list the SSL/TLS cipher suites a particular website offers?Read more
Security – How to find source process of unknown popup in Windows 7
A random popup appears in Windows 7 titled as Information with a progress bar and a clock. The window sometimes says Please wait a moment…, and the progress bar moves very slowly … Security – How to find source process of unknown popup in Windows 7Read more
