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@leolimajr
leolimajr / os-x-enable-trim.txt
Created Nov 21, 2012 — forked from clarencesong/os-x-enable-trim.md
Enable TRIM in OS X 10.8.2 for IOAHCIBlockStorage version 2.3.1
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…
@return1
return1 / trim_enabler.txt
Last active May 24, 2020
TRIM Enabler for OS X Yosemite 10.10.3
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/
@earthgecko
earthgecko / bash.generate.random.alphanumeric.string.sh
Last active Aug 8, 2020
shell/bash generate random alphanumeric string
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
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