Aleksei Niemi

DevOps

Niemi / lsof

Created August 29, 2012 06:58

lsof check

lsof -n -p {procpid}

Niemi / .screenrc

Created November 14, 2013 12:47

my dotfiles from vim, screen, tmux etc

	startup_message off
	vbell off
	defutf8 on
	nonblock on
	# Window numbering starts at 1, not 0.
	bind c screen 1
	bind ^c screen 1
	bind 0 select 10
	screen 1
	altscreen on

Niemi / netstat output

Created November 14, 2013 12:50

useful commands

netstat -ntaoep

Niemi / ss output

Created November 14, 2013 12:51

check network connection on server with ss

ss -4t -p -e -m -p

Niemi / apache_ajp_proxy.conf

Created April 30, 2014 08:21

	ProxyRequests Off
	ProxyPreserveHost On
	<Proxy *>
	AddDefaultCharset Off
	Order deny,allow
	Allow from all
	</Proxy>
	ProxyPass /myapp ajp://{{IPaddr}}:8009/myapp
	ProxyPassReverse /myapp ajp://{{IPaddr}}:8009/myapp

Niemi / tomcat init.d

Last active August 29, 2015 14:07

tomcat init.d script [SysV] for SLES or OpenSuSe

	#!/bin/sh
	#source "http://tr.opensuse.org/Tomcat_HOWTO"
	# Tomcat Startup Script
	### BEGIN INIT INFO
	# Provides: Tomcat
	# Required-Start: $local_fs $network $remote_fs apache2
	# Required-Stop: $local_fs $network $remote_fs apache2
	# Default-Start: 3 5
	# Default-Stop: 0 1 2 6
	# Short-Description: Tomcat

Niemi / tmux.conf

Created October 23, 2014 06:18

	set-option -g status-utf8 on
	set -g default-terminal "screen-256color"
	set -g history-limit 10000
	set -g base-index 1
	setw -g utf8 on
	set -g terminal-overrides 'xterm*:smcup@:rmcup@'
	# Set window notifications
	setw -g monitor-activity on
	set -g visual-activity on
	# set -g terminal-overrides "88col:colors=88,256col:colors=256,xterm*:colors=256"

Niemi / firewall.sh

Last active August 29, 2015 14:08 — forked from cedricwalter/firewall.sh

	#!/bin/bash

	# Restrictive Iptables Based Firewall for Webserver script
	# Copyright (C) 2012 Cédric Walter - www.waltercedric.com
	# Credits to all various authors
	#
	# This program is free software: you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.

Niemi / gist:65a6f5eb74d555efa670

Created October 29, 2014 08:05

NFS services in iptables|netfilter

	filter
	:INPUT ACCEPT [0:0]
	:FORWARD ACCEPT [0:0]
	:OUTPUT ACCEPT [2:200]
	:RH-Firewall-1-INPUT - [0:0]
	-A INPUT -j RH-Firewall-1-INPUT
	-A FORWARD -j RH-Firewall-1-INPUT
	-A RH-Firewall-1-INPUT -i lo -j ACCEPT
	-A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
	-A RH-Firewall-1-INPUT -p esp -j ACCEPT

Niemi / gist:9fc35cc74f0e06abf6df

Created November 19, 2014 13:14

Apache 2.4 AJP proxy to Tomcat Example

	<VirtualHost *:443>
	# General setup for the virtual host
	DocumentRoot "/srv/www/htdocs"
	ServerName host.example.com
	ServerAdmin [email protected]
	ErrorLog /var/log/apache2/error_log
	TransferLog /var/log/apache2/access_log
	CustomLog /var/log/apache2/host.example.com-ssl_request_log \
	"%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"