Mac : Show all users login after restart

Writing by on Tuesday, 22 of September , 2015 at 5:34 am

If FileVault encryption is on and you’re not able to see other user accounts to login with:

System Preferences -> Privacy & Security -> FileVault -> Enable users…
Select the account and provide the user’s password.
Restart and you should see that user to login with

More info on apple.stackexchange.com.

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Category: Mac

Concatenate several gz files into one using bash linux command line

Writing by on Tuesday, 22 of September , 2015 at 5:24 am

This will work if there is only one period followed by gz. (*.gz)
Loop over all the files and extract the filename. Then do the usual …

for f in *.gz; do export l=`echo $f | cut -d’.’ -f1` ; gunzip $f; cat $l >> big_file ; gzip $l; done

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Category: Linux

Shivdev Kalambi's Blog

Shivdev Kalambi is a Software Development Manager, previously a Principal Software Engineer at ArcSight/HP. With over 16 years' experience in software development, he's worked on several technologies and played different roles and contributed to all phases of projects. Non-tech activies include Ping-pong, Rock Climbing and Yoga at PG, Golf, Skiing, Swimming & a beer enthusiast.