Generate DSA Keys
// generates SSH DSA keys in ~/.ssh/
ssh-keygen -d
About this user
Nicholas http://organanddrums.net
rsync syntax
rsync -avz --eahfs --progress --delete /source-dir-without-trailing-slash /destination-dir-with-trailing-slash
// explanation of switches
// -a, archive mode, equivalent to -rlptgoD which does things like recurse through all the dirs, preserves times, etc.
// -v, verbose mode
// -z, compress - makes the copy go faster. doesn't actually compress into a zip file
// --eahfs - (could also use -E, I think)
// --progress - show copy status of each item
// --delete, delete files on destination that aren't on source (sync)
Open Firefox in Safe Mode
// opens Firefox with extensions disabled. Also gives you the ability/option to reset Firefox to defaults.
// More info and code for other platforms can be found at http://kb.mozillazine.org/Safe_mode
// More info and code for other platforms can be found at http://kb.mozillazine.org/Safe_mode
/Applications/Firefox.app/Contents/MacOS/firefox -safe-mode
Change root password in OS X Server
In Terminal:
passwd root
Change admin password in OS X Server
Bad things can happen if you change the administrator password on OS X server the wrong way. The right way is to change it via Workgroup Manager (NOT System Preferences) or via this command in Terminal:
passwd admin
Flush DNS cache
In Terminal, type:
lookupd -flushcache
Change Default Screen Capture Format in OS X
Enter the following into Terminal:
In place of *format* in the above put any of the following, depending on your preference:
jpg
pdf
tif
png - this is the default
(There may be others. Feel free to add these to the comments.)
defaults write com.apple.screencapture type *format*
In place of *format* in the above put any of the following, depending on your preference:
jpg
tif
png - this is the default
(There may be others. Feel free to add these to the comments.)