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

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

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Firefox

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