goyalankit

#!/usr/bin/perl

# Copyright Ben Maurer 
# you can distribute this under the MIT/X11 License

my $pid=shift @ARGV;
unless ($pid) {
    print "./smem.pl <pid>\n";
    exit 1;
}

goyalankit

{
	"ociVersion": "1.0.0",
	"process": {
		"terminal": false,
		"user": {
			"uid": 0,
			"gid": 0
		},
		"args": [
			"sh"

goyalankit

import os
import time
from functools import wraps

def memoize_until_file_modified(filepath):
    """"Memoize the data until the mtime of the file at filepath changes."""
    def memoize_until_file_modified_decorator(func):
        @wraps(func)
        def decorated(*args, **kwargs):
            try:

goyalankit

goyalankit

Keybase proof

I hereby claim:

• I am goyalankit on github.
• I am goyalankit (https://keybase.io/goyalankit) on keybase.
• I have a public key ASB35EigYuQtVor3E2Z5EX4pOGO8cg17amOaWGkhKMPf0wo

To claim this, I am signing this object:

goyalankit

# This script goes through all the network devices on the system
# and determines if the device in promiscuous mode.
# 
# More information at: http://goyalankit.com/blog/promiscuous-mode-detection
# 
# Usage: python is_promiscuous.py
# Author: Ankit Goyal (http://github.com/goyalankit)

import os

goyalankit

Linux NetFilter, IP Tables and Conntrack Diagrams

IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.

1) Filter Table

Filter is default table for iptables. So, if you don’t define you own table, you’ll be using filter table. Iptables’s filter table has the following built-in chains.

goyalankit

[Unit]
Description=Service that restarts my spread_goodness.service every two hours.

[Service]
Type=oneshot
ExecStart=/usr/bin/systemctl try-restart spread_goodness.service

goyalankit

{
	"action": "get",
	"node": {
		"key": "/registry/minions",
		"dir": true,
		"nodes": [{
			"key": "/registry/minions/172.17.8.102",
			"value": "{\"kind\":\"Node\",\"apiVersion\":\"v1\",\"metadata\":{\"name\":\"172.17.8.102\",\"selfLink\":\"/api/v1/nodes/172.17.8.102\",\"uid\":\"a062c77a-8e97-11e6-84ff-08002794c432\",\"creationTimestamp\":\"2016-10-10T03:14:16Z\",\"labels\":{\"beta.kubernetes.io/arch\":\"amd64\",\"beta.kubernetes.io/os\":\"linux\",\"kubernetes.io/hostname\":\"172.17.8.102\"},\"annotations\":{\"volumes.kubernetes.io/controller-managed-attach-detach\":\"true\"}},\"spec\":{\"externalID\":\"172.17.8.102\"},\"status\":{\"capacity\":{\"alpha.kubernetes.io/nvidia-gpu\":\"0\",\"cpu\":\"1\",\"memory\":\"2053160Ki\",\"pods\":\"110\"},\"allocatable\":{\"alpha.kubernetes.io/nvidia-gpu\":\"0\",\"cpu\":\"1\",\"memory\":\"2053160Ki\",\"pods\":\"110\"},\"conditions\":[{\"type\":\"OutOfDisk\",\"status\":\"False\",\"lastHeartbeatTime\":\"2016-10-10T03:47:28Z\",\"lastTransitionTime\":\"2016-10-10T03:14:16Z\",

goyalankit

dockerswarm
----

highly available, fault tolerant. replacing kubernates?

docker service
--------

- labels to target hosts. using constraints.