Skip to content

Instantly share code, notes, and snippets.

@mkornatz
mkornatz / crontab
Created December 14, 2016 20:49
AWS HA Proxy failover script. Uses two nodes with autofailover by assuming a "VIP."
@reboot /path/to/ha_monitor.sh >> /var/log/ha_monitor.log 2>&1
#!/bin/bash
mkdir ./cluster-dump
kubectl get --export -o=json ns | \
jq '.items[] |
select(.metadata.name!="kube-system") |
select(.metadata.name!="default") |
del(.status,
.metadata.uid,
@ianhomer
ianhomer / curl-ipv4.sh
Last active June 17, 2024 03:56
Force CURL to use ipv4
# curl not smart enough for ipv6, so force ipv4
# on my mac I started to get localhost connect failure
#
# curl: (7) Failed to connect to localhost port 9031: Connection refused
echo '--ipv4' >> ~/.curlrc
@polonskiy
polonskiy / 10-custom.conf
Last active June 4, 2021 22:36
sysctl tuning for docker & serf
# values from https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Welcome%20to%20High%20Performance%20Computing%20%28HPC%29%20Central/page/Linux%20System%20Tuning%20Recommendations
# install (root): curl -s https://gist.githubusercontent.com/polonskiy/00a71bab32360ffcb79f/raw/10-custom.conf > /etc/sysctl.d/10-custom.conf
# apply (root): sysctl -p /etc/sysctl.d/10-custom.conf
net.ipv4.neigh.default.gc_thresh1 = 30000
net.ipv4.neigh.default.gc_thresh2 = 32000
net.ipv4.neigh.default.gc_thresh3 = 32768
net.ipv6.neigh.default.gc_thresh1 = 30000
net.ipv6.neigh.default.gc_thresh2 = 32000
@erez-rabih
erez-rabih / nginx-dashboard.json
Last active August 29, 2015 14:06
Nginx Dashboard For Logstash
{
"title": "Nginx Web",
"services": {
"query": {
"list": {
"0": {
"query": "response:[200 TO 299]",
"alias": "OK",
"color": "#7EB26D",
"id": 0,
@tonyseek
tonyseek / supervisord.service
Created August 8, 2014 07:11
Running supervisord with systemd.
[Unit]
Description=supervisord - Supervisor process control system for UNIX
Documentation=http://supervisord.org
After=network.target
[Service]
Type=forking
ExecStart=/usr/bin/supervisord -c /etc/supervisord.conf
ExecReload=/usr/bin/supervisorctl reload
ExecStop=/usr/bin/supervisorctl shutdown
@porjo
porjo / docker_postfix.md
Last active August 29, 2015 14:03
Docker and postfix

UPDATE: 2014/09/05

Looks like this is now fixed as of Docker v1.2.0


For the benefit of the interwebs I'm documenting this here as I've spent several hours pulling my hair out.

Postfix does not play well inside a docker container

@plentz
plentz / nginx.conf
Last active July 2, 2024 13:20
Best nginx configuration for improved security(and performance)
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
@adamloving
adamloving / temporary-email-address-domains
Last active May 31, 2024 15:43
A list of domains for disposable and temporary email addresses. Useful for filtering your email list to increase open rates (sending email to these domains likely will not be opened).
0-mail.com
0815.ru
0clickemail.com
0wnd.net
0wnd.org
10minutemail.com
20minutemail.com
2prong.com
30minutemail.com
3d-painting.com