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Aleksei Niemi

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Niemi / lsof
Created Aug 29, 2012
lsof check
View lsof
lsof -n -p {procpid}
Niemi / .screenrc
Created Nov 14, 2013
my dotfiles from vim, screen, tmux etc
View .screenrc
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 Nov 14, 2013
useful commands
View netstat output
netstat -ntaoep
Niemi / ss output
Created Nov 14, 2013
check network connection on server with ss
View ss output
ss -4t -p -e -m -p
View apache_ajp_proxy.conf
ProxyRequests Off
ProxyPreserveHost On
<Proxy *>
AddDefaultCharset Off
Order deny,allow
Allow from all
ProxyPass /myapp ajp://{{IPaddr}}:8009/myapp
ProxyPassReverse /myapp ajp://{{IPaddr}}:8009/myapp
Niemi / tomcat init.d
Last active Aug 29, 2015
tomcat init.d script [SysV] for SLES or OpenSuSe
View tomcat init.d
#source ""
# Tomcat Startup Script
# 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
View tmux.conf
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"
# Restrictive Iptables Based Firewall for Webserver script
# Copyright (C) 2012 Cédric Walter -
# 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 Oct 29, 2014
NFS services in iptables|netfilter
View gist:65a6f5eb74d555efa670
: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 Nov 19, 2014
Apache 2.4 AJP proxy to Tomcat Example
View gist:9fc35cc74f0e06abf6df
<VirtualHost *:443>
# General setup for the virtual host
DocumentRoot "/srv/www/htdocs"
ErrorLog /var/log/apache2/error_log
TransferLog /var/log/apache2/access_log
CustomLog /var/log/apache2/ \
"%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"