CMD Syntax

• Copy - Right-click/Mark/highlight/Enter
• Turn on Properies/Quick Edit Mode to copy with just highlight/enter and paste with right click
• Repeat last command - up arrow
• Mounting share drive
  • \10.xx.xx.xxplatform_support
  • Username: hostingu154314h
• Press enter to continue - pause
• Arguments to bat files (including drag and drop) = %1 %*
• net use - tells you what partitions you have mounted

Misc Utilities

• gunzip -c (sends to standard out)
• pscp -pw mypassword wamu-logo.jpg u154314@10.174.17.42:
  • Copy local file to server (don't forget colon at end, optionally follow colon with path)

Shellscript

Scripts

• eoldos
• regrep

General

• To input one line at a time instead of one word at a time (e.g. "for line in")
  • Set IFS="[newline]"
• set/debug options
  • set -vx # prints commands before execution
  • set -e # terminate the script at first error
  • set -u # unset variables are fatal errors
• Sort file based on field 2 with fields delimited by commas
  • sort -t, +1 file
• Same sort but use numeric values in sorting
  • sort -n -t ':' +2 file
• Convert text to all uppercase
  • tr ':lower:' ':upper:'
  • awk '{print toupper($0)}'
• Loop through file one line at a time

awk

• Newline conversion
  • IN UNIX ENVIRONMENT: convert DOS newlines (CR/LF) to Unix format
    • awk '{sub(/\r$/,"");print}' # assumes EACH line ends with Ctrl-M
  • IN UNIX ENVIRONMENT: convert Unix newlines (LF) to DOS format
    • awk '{sub(/$/,"\r");print}
  • IN DOS ENVIRONMENT: convert Unix newlines (LF) to DOS format
    • awk 1
  • IN DOS ENVIRONMENT: convert DOS newlines (CR/LF) to Unix format
    • Cannot be done with DOS versions of awk, other than gawk:
    • gawk -v BINMODE="w" '1' infile >outfile
  • Use "tr" instead.
    • tr -d \r outfile # GNU tr version 1.22 or higher
• concatenate every 5 lines of input, using a comma separator between fields
  • awk 'ORS=%NR%5?",":"n"' file
• print the first three fields of a csv file, (with no " around values)
  • awk -F"," '{gsub(/"/, ""); print $1 " " $2 " " $3}'
• Do the same but convert first field to uppercase and 3rd to lowercase
  • awk -F"," '{gsub(/"/, ""); print toupper($1) " " $2 " " tolower($3)}'

Cygwin, Windows quirks

• CygwinStartupScript
• vim replacement
  • :g,x,s,,y,g - doesn't work
  • :g,x,s//y/g - works
• Commands with duplicates in path: find, sort

Vservers/Hosting

• Blocking relayed spam
  • save emails to disk and grep (originating) IP
  • http://216.122.248.78/vadmin/
  • Mail Management / Access Control / Add Access Rules
  • Add DISCARD rule for IP range, e.g. 64.224.219.
  • Restart sendmail

Web Utilities

• favicon.ico 16x16 - convert to ico

AD queries

• dsquery user -name u154314 | dsget user -memberof | find /i "bfss" | dsget group -members
• Get object for me | Find groups I'm a member of | grep bfss | List the members of that group
• dsquery group "OU=Mail Lists,OU=WAMU Mail,DC=us,DC=wamu,DC=net" -name "DL ecommerce technology Minstry of Information*" | dsget group -members
  • (Get members of a DL)

Networking, IP

Shinn, William M. says:

iPod

• Fast forward: Hit center button to toggle bar

Fonts

• Installing on Gateway:   Control Panel / Fonts / File / Install Fonts  (downloads in /_install/fonts/ )

Windows

• Stopping Services: File Explorer / My Computer / right-click: Manage / Services and Applications / Services / right-click on service / Stop

Texting Addresses

Firefox

FirefoxSearchPlugins

Google Chart