Skip to content

Instantly share code, notes, and snippets.

View victortrac's full-sized avatar

Victor Trac victortrac

69 followers · 12 following
View GitHub Profile
@victortrac
victortrac / gist:8446314
Created January 15, 2014 22:49
If you have a bunch of cloudformation templates referencing a canonical SSL certificate by name and you need to update the SSL certificate, this will do it with zero downtime.
import argparse
import boto
import boto.ec2.elb
import time
AWS_ACCOUNT_ID = '0123456789'
REGIONS = ['us-west-2', 'us-east-1', 'eu-west-1']
def get_matching_elbs(region, ssl_cert_arn):
print "getting matching elbs in region {}".format(region)
@victortrac
victortrac / ssl_scanner.py
Last active August 29, 2015 13:58
Scans a host, route53 zones, and/or bind zone files for A and CNAME records and inventories SSL certificates
#!/usr/bin/env python
import argparse
import base64
import datetime
import hashlib
import json
import socket
import ssl
import sys
@victortrac
victortrac / gist:b5780c09df2a0a5852f0
Created July 4, 2014 14:38
cyanogenmod 11-20140703-NIGHTLY dialer crashing
I/Timeline( 1187): Timeline: Activity_launch_request id:com.android.dialer time:5116983
I/ActivityManager( 654): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.android.dialer/.DialtactsActivity bnds=[48,773][282,1035]} from pid 1187
W/BroadcastQueue( 654): Permission Denial: receiving Intent { act=com.android.launcher3.action.LAUNCH flg=0x10 (has extras) } to com.google.android.googlequicksearchbox/com.google.android.search.core.summons.icing.InternalIcingCorporaProvider$ApplicationLaunchReceiver requires com.android.launcher3.permission.RECEIVE_LAUNCH_BROADCASTS due to sender com.cyanogenmod.trebuchet (uid 10020)
V/Zygote (26212): Switching descriptor 33 to /dev/null
V/Zygote (26212): Switching descriptor 10 to /dev/null
I/ActivityManager( 654): Start proc com.android.dialer for activity com.android.dialer/.DialtactsActivity: pid=26212 uid=10015 gids={50015, 3003, 1028, 1015, 1006, 3010, -1}
D/ActivityThread(26212): handleBindApplication:com.androi
@victortrac
victortrac / keybase.md
Created September 24, 2014 05:23

Keybase proof

I hereby claim:

  • I am victortrac on github.
  • I am victortrac (https://keybase.io/victortrac) on keybase.
  • I have a public key whose fingerprint is 370F E276 C958 C190 CA3A FFF7 6648 CA71 555B F03F

To claim this, I am signing this object:

@victortrac
victortrac / reload_haproxy.sh
Created May 9, 2016 22:37
#!/bin/bash
#
# reload haproxy, but avoid losing existing connections
#
# briefly reject connection (SYN) TCP packets during port switch, so that
# connections are retried
#
# see:
# https://medium.com/@Drew_Stokes/actual-zero-downtime-with-haproxy-18318578fde6
# http://engineeringblog.yelp.com/2015/04/true-zero-downtime-haproxy-reloads.html
@victortrac
victortrac / gce_igreplace.py
Created June 9, 2016 21:49
Replace instances in a GCE Managed Instance Group when Templates are updated
#!/usr/bin/env python
import sys
import time
from googleapiclient import discovery
from oauth2client.client import GoogleCredentials
def get_google_auth(service, version='v2'):
credentials = GoogleCredentials.get_application_default()
service_conn = discovery.build(service, version, credentials=credentials)
@victortrac
victortrac / tag_release.sh
Created July 6, 2016 03:38
git tag a release with commit messages
#!/bin/bash
# Check out production branch and bring it up to date.
git fetch origin
git checkout production
git reset --hard origin/production
# Create a name for the new tag.
NEW_TAG=$(date +"%Y%m%d-%H%M")
@victortrac
victortrac / pvc.yaml
Created October 16, 2017 04:33
k8s dynamic PVC
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: jenkins
labels:
app: jenkins
annotations:
volume.alpha.kubernetes.io/storage-class: default
spec:
accessModes:
@victortrac
victortrac / brightness.sh
Last active February 8, 2021 22:47
sync laptop and external monitor brightness
#!/bin/bash
# This script syncs the brightness on my laptop screen as well as my
# Dell 2720QM external usb-c monitor
# References:
# https://blog.tcharles.fr/ddc-ci-screen-control-on-linux
# Steps
# 1. Add udev rules to /etc/udev/rules.d/45-ddcutil-i2c.rules:
@victortrac
victortrac / gist:186b01564276c2de1f2e99fbc6585707
Created April 18, 2021 02:57
Pipewire polybar config
# ~/.config/polybar/config
[module/pulseaudio-devices]
type = custom/script
label = "%output%"
label-font = 2
interval = 2.0
exec = ~/.config/polybar/sound.sh
click-right = exec pavucontrol &
click-left = ~/.config/polybar/sound.sh mute &
scroll-up = ~/.config/polybar/sound.sh up &