The figure below calls out
- The netfilter hooks
- The order of table traversal
#!/bin/bash | |
# Retrieve AWS instrance's commonly used metadata. Require curl. | |
# ./get-metadata help | |
# ./get-metadata id | |
# Input is case insensitive; format to uppper case to generate self-help page. | |
info=${1^^} | |
meta_data_url=http://169.254.169.254/latest/meta-data/ | |
roleProfile=$(curl -s http://169.254.169.254/latest/meta-data/iam/info \ | |
| grep -Eo 'instance-profile/([a-zA-Z.-]+)' | sed 's#instance-profile/##') |
# | |
# Working with branches | |
# | |
# Get the current branch name (not so useful in itself, but used in | |
# other aliases) | |
branch-name = "!git rev-parse --abbrev-ref HEAD" | |
# Push the current branch to the remote "origin", and set it to track | |
# the upstream branch | |
publish = "!git push -u origin $(git branch-name)" |
-- 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%' |