xman1980’s gists

xman1980 / gist:6617edd15de6ef21f220071183fd2e15

Created March 13, 2018 20:14

sort running yarn applications

yarn application -list -appStates RUNNING | cut -f 2 | sort | uniq -c

xman1980 / gist:fb438bb02256ae07ece535cabfbc5e38

Created April 5, 2018 18:49

mysql encrypted backup

	#!/bin/sh

	sql_host=""
	sql_user=""
	sql_passwd=""
	sql_db=""
	sql_opts="--routines --add-drop-table --add-locks --create-options --single-transaction --disable-keys --extended-insert --quick"
	sql_bk_directory=""
	sql_bk_password=""

xman1980 / gist:8a8e024a132ed0f7e8d52e1d974832d5

Last active May 16, 2018 18:16

letsencrypt certbot wildcard

certbot certonly --manual -d domain.info -d *.domain.info --agree-tos --no-bootstrap --manual-public-ip-logging-ok --preferred-challenges dns-01 --server https://acme-v02.api.letsencrypt.org/directory

xman1980 / gist:2a16343d459ec74b40c7cc30d5994b08

Created May 14, 2018 10:26

hadoop balancer settings tuning

	Recommended Configurations
	This section provides recommended configurations for Background and Fast modes.

	The HDFS Balancer can run in either Background or Fast modes.

	Background Mode
	HDFS Balancer runs as a background process. The cluster serves other jobs and applications at the same time.

	Fast Mode
	HDFS Balancer runs at maximum (fast) speed.

xman1980 / dump_cloudera_manager.py

Created June 11, 2018 08:04 — forked from sit/dump_cloudera_manager.py

A quick and dirty script to dump the cluster/service/role configuration via the Cloudera Manager API http://cloudera.github.io/cm_api/.

	#!/usr/bin/env python

	from cm_api.api_client import ApiResource

	def main(args):
	cm_host = get(args, 1, "localhost")
	cm_user = get(args, 2, "admin")
	cm_pass = get(args, 3, "admin")

	api = ApiResource(cm_host, username=cm_user, password=cm_pass)

xman1980 / gist:03892b27c6af01725d7ac964adc778e0

Last active June 18, 2018 20:14

logtop nginx logs

	tail -f /var/log/nginx/nginx.access.log \| cut -d ' ' -f 1 \| logtop

	Покажет (и будет обновляться в режиме реального времени) что-то вроде:

	3199 elements in 27 seconds (118.48 elements/s)
	1 337 12.48/s 95.65.66.183
	2 308 11.41/s 122.29.177.10
	3 304 11.26/s 122.18.251.54
	4 284 10.52/s 92.98.80.164
	5 275 10.19/s 188.239.14.134

xman1980 / gist:ede776147777f74816264c07e6ea56ae

Created June 18, 2018 20:26

check ips in log

 cat log | awk '{print $1}' | sort | uniq -c | awk '{if($1>50){print $1 " " $2}}' | awk '{print $2}' > /tmp/ips

xman1980 / gist:5216c5a66bdbd4651c237e5d6f66e09e

Created June 24, 2018 19:02

ec2_metadata.sh

	#!/bin/bash
	#
	#########################################################################
	#This software code is made available "AS IS" without warranties of any #
	#kind. You may copy, display, modify and redistribute the software #
	#code either by itself or as incorporated into your code; provided that #
	#you do not remove any proprietary notices. Your use of this software #
	#code is at your own risk and you waive any claim against Amazon #
	#Digital Services, Inc. or its affiliates with respect to your use of #
	#this software code. (c) 2006-2007 Amazon Digital Services, Inc. or its #

xman1980 / ip-down

Created June 25, 2018 07:10 — forked from copiousfreetime/ip-down

PPP ip-up/ip-down for vpn with optional dns resolving

	#!/bin/sh

	# install into /etc/ppp/ip-down
	# chmod a+x /etc/ppp/ip-down

	source /etc/ppp/ip.config

	case "${IPREMOTE}" in
	${MY_IPREMOTE})
	/sbin/route delete ${MY_ROUTE} -interface ${IFNAME}

xman1980 / gist:1194b5faf8e9437f2402d9ca8cd3d580

Created July 8, 2018 20:41

enable ssh root sed

sed -i "s/.*PasswordAuthentication.*/PasswordAuthentication yes/g" /etc/ssh/sshd_config && service sshd restart

Vitali xman1980