Marco Morais marcoemorais

#Some discussions on logging from docker: Using logstash Using Papertrail

A lot of this boils down to whether you want a single or multi-process (systemd, supervisord etc.) container...

SSH agent forwarding and screen

When connecting to a remote server via SSH it is often convenient to use SSH agent forwarding so that you don't need a separate keypair on that server for connecting to further servers.

This is enabled by adding the

ForwardAgent yes

option to any of your Host entries in ~/.ssh/config (or alternatively with the -A option). Don't set this option in a wildcard Host * section since any user on the remote server that can bypass file permissions can now als use keys loaded in your SSH agent. So only use this with hosts you trust.

CPU:	Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz (X8)
OS:	debian7
PYTHON:	python2.7.3
GEVENT:	gevent-1.0rc1
UWSGI:	1.9.15-dev

hello world

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

Sync

rsync.net

$0.015 per GB/m (at least 680 GB), $0.01 per GB/m for more than 100 TB, $0.006 per GB/m for more than 1 PB.
git-annex discount: at least 100GB, paid annually)
attic/borg discount: at least 100 GB, paid annually)
Remote SSH commands (checksum, mv, cp, rm, tree, dd, etc.) supported
git

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'