ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats
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_complete_ssh_hosts () | |
{ | |
COMPREPLY=() | |
cur="${COMP_WORDS[COMP_CWORD]}" | |
comp_ssh_hosts=`cat ~/.ssh/known_hosts | \ | |
cut -f 1 -d ' ' | \ | |
sed -e s/,.*//g | \ | |
grep -v ^# | \ | |
uniq | \ | |
grep -v "\[" ; |
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#!/bin/bash | |
# | |
# tc uses the following units when passed as a parameter. | |
# kbps: Kilobytes per second | |
# mbps: Megabytes per second | |
# kbit: Kilobits per second | |
# mbit: Megabits per second | |
# bps: Bytes per second | |
# Amounts of data can be specified in: | |
# kb or k: Kilobytes |
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#view current chains | |
$ iptables -L | |
#remove/flush all rules & delete chains | |
$ iptables -F | |
$ iptables -X | |
$ iptables -t nat -F | |
$ iptables -t nat -X | |
$ iptables -t mangle -F | |
$ iptables -t mangle -X |
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the\
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)