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@lukeyeager
lukeyeager / ec2_set_hostname_from_tag.sh
Created February 7, 2019 18:12
AWS EC2: set a node's hostname to it's tagged name
#!/bin/bash
set -ex
# Sanity check
hostname="$(hostname --fqdn)"
if [[ "$hostname" != ip-*.internal ]]; then
echo hostname already updated
exit 0
fi
@lukeyeager
lukeyeager / set_nvidia_pl.sh
Last active February 14, 2019 20:09
Set GPU power levels
#!/bin/bash
set -e
case "$1" in
max) ;;
default) ;;
min) ;;
*)
echo "Usage: $0 [max,default,min]"
exit 1
#!/bin/bash
set -e
sort_func () {
tr ' ' '\n' | sort -u | (grep -v '^$' || true)
}
cutoff=$(date -Is --date='10 days ago')
# Get list of images used recently
# NOTE: events store image names, not IDs.

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@lukeyeager
lukeyeager / prometheus_to_influxdb.sh
Created February 3, 2021 23:17
Read from prometheus and write to influxdb
#!/bin/bash
set -euo pipefail
# connecting to prometheus
readonly prometheus_uri='localhost:9090'
# prometheus query
readonly query='sum(irate(metric_total[20s])) without (job)'
readonly ts_start=1612280785
readonly ts_end=1612390785
@lukeyeager
lukeyeager / docker-compose.yml
Created May 18, 2022 14:36
ELK 8.2.0 minimal docker-compose.yml
services:
elasticsearch:
image: elasticsearch:8.2.0
ports:
- '9200:9200'
environment:
# https://www.elastic.co/guide/en/elasticsearch/reference/8.2/docker.html#docker-configuration-methods
ES_SETTING_DISCOVERY_TYPE: 'single-node'
ES_SETTING_XPACK_SECURITY_ENABLED: 'false'