Where is your encrypted password stored under *nix.

 Posted by at 11:39 pm  Linux, Linux How To  Comments Off on Where is your encrypted password stored under *nix.
Apr 162010
 

So I went for an interview and one of the panel grilling me asked where, under *nix, is your encrypted password stored? I new /etc/passwd contained seven fields of detail for each user account, but I couldn’t remember where the encrypted passwords were stored! The answer is /etc/shadow (- r w – r – – […]

Linux File Information Overview

 Posted by at 2:39 pm  Linux, Linux How To  Comments Off on Linux File Information Overview
Apr 162010
 

View permissions with ls -l Output is seven columns: type & permissions, link count, owner, group, size, date & time last mod, name Type & Permissions displayed as 10 positions: first position is Type, last nine are permissions. Types: d, -, l, s, p, c, d. d = directory – = regular file l = […]

Eval of Windows 7, MCITP, and e-learning notes

 Posted by at 2:26 pm  Windows, Windows Research  Comments Off on Eval of Windows 7, MCITP, and e-learning notes
Apr 122010
 

I have a need to maintain my marketability and recent job searching has reminded me that I need to add a few certifications to my resume.� Towards that end I decided to use Microsoft’s e-learning to study for and pass (hopefully) the testes required for MCITP: Enterprise Administrator. MCITP stands for Microsoft Certified IT Professional, […]

The OSI Reference Model

 Posted by at 5:02 am  Network Administration, Network Research  Comments Off on The OSI Reference Model
Apr 082010
 

The OSI Reference model is the fundamental design of internet communication, and lays out a schematic for the assembly of internet based information, how it is organized and transmitted from one computer to another.� Information is organized like an onion, with layers over layers, and each layer communicates information. The layer effect is called encapsulation, […]

Ports to Remember

 Posted by at 4:33 am  Network Administration, Network Research  Comments Off on Ports to Remember
Apr 082010
 

Port Protocol��� Description 20� TCP��������� FTP, Data 21� TCP��������� FTP, Control 22� TCP/UDP�� SSH 23� TCP��������� Telnet 25� TCP��������� SMTP 42� TCP/UDP�� WINS 43� TCP � � �� � WHOIS 53� TCP/UDP�� DNS 67 UDP���������� BOOTP, DHCP Client 68� UDP��������� BOOTP, DHCP Server 69� UDP��������� TFTP 80� TCP/UDP�� HTTP 110 TCP���������� POP3 135 TCP ��������� […]

Exchange 2003 client protocols

 Posted by at 6:10 pm  Windows, Windows Research  Comments Off on Exchange 2003 client protocols
Apr 042010
 

So why the generic subject of protocols under Exchange 2003? I had an interview the other day and one of the three consultant questioned the configuration of my Exchange server, stating it was a strange configuration that my clients were not connecting via MAPI and why we still relied on PST files. I replied that […]

Need to script this: Parsing IP addresses from Emails

 Posted by at 4:46 pm  Problem Queue, Problems  Comments Off on Need to script this: Parsing IP addresses from Emails
Mar 242010
 

I have been working on an idea to parse IP addresses from emails that I receive and save them in a database for security analysis.� I have a process where 404.html hits on several of my websites send me an email notification containing the source IP and the message agent, and what page they were […]

tenonedesign.com makes a stylus for the multi-touch pad

 Posted by at 2:22 pm  News, Newsflash  Comments Off on tenonedesign.com makes a stylus for the multi-touch pad
Mar 242010
 

Listening to the MacCast I learned about tenonedesign.com from MacWorld Expo 2010, a stylus that permits us MacBook Pro users with the multi-touch pointer pad to use the pad as a digital drawing pad with pressure sensitivity.

Office for Mac 2011 brings the ribbon interface

 Posted by at 2:13 pm  News, Newsflash  Comments Off on Office for Mac 2011 brings the ribbon interface
Mar 242010
 

Listening to new podcast I recently started regarding Mac topics, covering the recent MacWorld expo that I missed, I heard about some cool products. One was that Microsoft’s Office for Mac in their 2011 revision will bring their “ribbon” interface to apple users. Right-on! I didn’t hear if there would be an upgrade path for […]

Powershell tips

 Posted by at 6:16 pm  Uncategorized  Comments Off on Powershell tips
Mar 192010
 

Message to Admin: Please link the Coding & Scripting category to my profile so I can post directly. PowerShell need to knows: To run PowerShell scripts at the command line you need to launch the PowerShell shell: c:>powershell When your in the PowerShell the prompt changes to PS plus the prompt from before, i.e. PS […]