Skip to content

Instantly share code, notes, and snippets.

#!/bin/bash
# Vacuum, analyze and re-index all non-template postgres databases
# Should be run as root to avoid any permissions issues
db_list_sql="SELECT datname FROM pg_database WHERE NOT datistemplate AND datallowconn ORDER BY datname"
for db in $(su - postgres -c "psql -At -c '$db_list_sql'"); do
su - postgres -c "vacuumdb --analyze --quiet $db"
su - postgres -c "PGOPTIONS='--client-min-messages=warning' reindexdb --quiet $db"
#!/bin/bash
# Create a clean SQL dump of each non-template postgres database
# Should be run as root to avoid any permissions issues
dest_dir=/var/local/backup/postgres
db_list_sql="SELECT datname FROM pg_database WHERE NOT datistemplate AND datallowconn ORDER BY datname"
for db in $(su - postgres -c "psql -At -c '$db_list_sql'"); do
@dustinfarris
dustinfarris / main.py
Last active March 30, 2021 11:20
Download a file in a Kivy application then open it in a separate application
#!/usr/bin/env python
import sys
sys.platform = 'linux2'
import os.path
import mimetypes
import urlparse
import requests
#EXTM3U
#EXTINF:-1,BBC - Radio 1
http://bbcmedia.ic.llnwd.net/stream/bbcmedia_radio1_mf_p
#EXTINF:-1,BBC - Radio 2
http://bbcmedia.ic.llnwd.net/stream/bbcmedia_radio2_mf_p
#EXTINF:-1,BBC - Radio 3
http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/http-icy-aac-lc-a/format/pls/vpid/bbc_radio_three.pls
#EXTINF:-1,BBC - Radio 4
http://bbcmedia.ic.llnwd.net/stream/bbcmedia_radio4fm_mf_p
#EXTINF:-1,BBC - Radio 5 live
@eddieantonio
eddieantonio / fabfile.py
Created September 28, 2013 01:06
Fabric: task to authorize your SSH key on a remote host.
"""
Installs your SSH key on other hosts. A fabfile for lazy people.
"""
from fabric.api import task, run, put, env, cd
# Use sh instead of bash.
env.shell = '/bin/sh -l -c'
@task
@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active April 24, 2025 09:49
Useful PostgreSQL Queries and Commands
-- 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%'
@mmrwoods
mmrwoods / postgres
Created January 20, 2012 13:47
Postgres maintenance crontab file
# dump all databases once every 24 hours
45 4 * * * root nice -n 19 su - postgres -c "pg_dumpall --clean" | gzip -9 > /var/local/backup/postgres/postgres_all.sql.gz
# vacuum all databases every night (full vacuum on Sunday night, lazy vacuum every other night)
45 3 * * 0 root nice -n 19 su - postgres -c "vacuumdb --all --full --analyze"
45 3 * * 1-6 root nice -n 19 su - postgres -c "vacuumdb --all --analyze --quiet"
# re-index all databases once a week
0 3 * * 0 root nice -n 19 su - postgres -c 'psql -t -c "select datname from pg_database order by datname;" | xargs -n 1 -I"{}" -- psql -U postgres {} -c "reindex database {};"'