Random stuff

Cloning an SD Card

• sudo dd if=/dev/disk2 of=~/Desktop/boot.dmg

Insert the new card and format it in diskutil, then unmount it. Do

• sudo dd if=~/Desktop/boot.dmg of=/dev/disk2

SSH without password login

• ssh-keygen -t rsa –C “username@HeadNodeIPaddress”

Enter a passphrase or if you leave this blank (not such good security) then no passwords are needed. Then

• cat ~/.ssh/id_rsa.pub | ssh username@WorkerNodeIPAddress "mkdir .ssh;cat >> .ssh/authorized_keys"

Sending yourself a notification email from terminal

Time servers

Speeding up Mail in Mac 10.8

• sqlite3 ~/Library/Mail/V2/MailData/Envelope\ Index vacuum

Setting up printer for Mac, UCT physics department

• Go to http://www.konicaminolta.com.au/downloads?ref=dlptl
• Select Office, bizhub 363
• Select your operating system and download the file and run it.
• Then go to https://www.icts.uct.ac.za/modules.php?name=Your_Account&page=iprint
• Fill in your login details (UCT student number and password).
• select IPP00817 as the printer, download and install it
• Go to system preferences, print and scan
• Add a new printer and select the IP tab.
• Fill in the IP: 137.158.92.77
• Select the Protocol =Line Printer Daemon - LPD"
• Under the Use tab select "Select printer software" and choose "Konica Minolta 363 PS"
• Add the printer. A window will pop up with settings. For "Paper Source=PC-409", "Finisher=FS-529", "Punch holes=none"

To test:

• Open a document in Preview and select "Print"
• In the drop down menu that says "Preview" go to "Output Method"
• Select "Account Track" and enter printer account password