View bash.generate.random.alphanumeric.string.sh
#!/bin/bash | |
# bash generate random alphanumeric string | |
# | |
# bash generate random 32 character alphanumeric string (upper and lowercase) and | |
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
# bash generate random 32 character alphanumeric string (lowercase only) | |
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1 |
View trim_enabler.txt
# | |
# UPDATE for 10.10.4+: please consider this patch obsolete, as apple provides a tool called "trimforce" to enable trim support for 3rd party SSDs | |
# just run "sudo trimforce enable" to activate the trim support from now on! | |
# | |
# Original version by Grant Parnell is offline (http://digitaldj.net/2011/07/21/trim-enabler-for-lion/) | |
# Update July 2014: no longer offline, see https://digitaldj.net/blog/2011/11/17/trim-enabler-for-os-x-lion-mountain-lion-mavericks/ | |
# | |
# Looks for "Apple" string in HD kext, changes it to a wildcard match for anything | |
# | |
# Alternative to http://www.groths.org/trim-enabler-3-0-released/ |
View os-x-enable-trim.txt
Enable TRIM on non-Apple SSDs in OS X 10.8.2 Mountain Lion. | |
WARNING: This is ONLY tested on 10.8.2 (IOAHCIBlockStorage version 2.3.1), and NOT earlier or later versions. | |
Check /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/version.plist | |
Technical note: The driver changed in 10.8.2 and similar perl commands that worked in earlier OS X versions did not work for me once I updated to 10.8.2. | |
Run the following commands in Terminal… |