Commands tagged performance (7)

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Grep inside Vim and navigate results
Will search for the given pattern and build a list of occurrences. Then you can use :copen and :cclose to toggle the list. When browsing the list, ENTER will take you to that line in the file.

Delete all non-printing characters from a file
tr has some predefined sets of characters that are more convenient to use than characters codes

List only the directories
to include hidden dirs use: $ tree -adL 1 (with ls, requires 'ls -ad */ .*/')

Install pip with Proxy
Installs pip packages defining a proxy

print all except first collumn

Get IP address from domain
I'm not sure how reliable this command is, but it works for my needs. Here's also a variant using grep. nslookup www.example.com | grep "^Address: " | awk '{print $2}'

See KeepAlive counters on tcp connections
See connection's tcp timers

dump the whole database

Top ten memory hogs
Inspired by #7065

Produce a pseudo random password with given length in base 64


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