sudo apt-get install iotop

#  /etc/rsyslog.conf	Configuration file for rsyslog.
#
#			For more information see
#			/usr/share/doc/rsyslog-doc/html/rsyslog_conf.html


#################
#### MODULES ####
#################

#$ModLoad imuxsock # provides support for local system logging
#$ModLoad imklog   # provides kernel logging support
#$ModLoad immark  # provides --MARK-- message capability

# provides UDP syslog reception
#$ModLoad imudp
#$UDPServerRun 514

# provides TCP syslog reception
#$ModLoad imtcp
#$InputTCPServerRun 514


###########################
#### GLOBAL DIRECTIVES ####
###########################

#
# Use traditional timestamp format.
# To enable high precision timestamps, comment out the following line.
#
$ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat

#
# Set the default permissions for all log files.
#
$FileOwner root
$FileGroup adm
$FileCreateMode 0640
$DirCreateMode 0755
$Umask 0022

#
# Where to place spool and state files
#
$WorkDirectory /var/spool/rsyslog

#
# Include all config files in /etc/rsyslog.d/
#
$IncludeConfig /etc/rsyslog.d/*.conf


###############
#### RULES ####
###############

#
# First some standard log files.  Log by facility.
#
auth,authpriv.*			/var/log/auth.log
*.*;auth,authpriv.none		-/var/log/syslog
#cron.*				/var/log/cron.log
daemon.*			-/var/log/daemon.log
kern.*				-/var/log/kern.log
lpr.*				-/var/log/lpr.log
mail.*				-/var/log/mail.log
user.*				-/var/log/user.log

#
# Logging for the mail system.  Split it up so that
# it is easy to write scripts to parse these files.
#
mail.info			-/var/log/mail.info
mail.warn			-/var/log/mail.warn
mail.err			/var/log/mail.err

#
# Logging for INN news system.
#
news.crit			/var/log/news/news.crit
news.err			/var/log/news/news.err
news.notice			-/var/log/news/news.notice

#
# Some "catch-all" log files.
#
*.=debug;	auth,authpriv.none;	news.none;mail.none	-/var/log/debug
*.=info;*.=notice;*.=warn;	auth,authpriv.none;	cron,daemon.none;	mail,news.none		-/var/log/messages

#
# Emergencies are sent to everybody logged in.
#
*.emerg				:omusrmsg:*

#
# I like to have messages displayed on the console, but only on a virtual
# console I usually leave idle.
#
#daemon,mail.*;#	news.=crit;news.=err;news.=notice;#	*.=debug;*.=info;#	*.=notice;*.=warn	/dev/tty8

# The named pipe /dev/xconsole is for the `xconsole' utility.  To use it,
# you must invoke `xconsole' with the `-file' option:
# 
#    $ xconsole -file /dev/xconsole [...]
#
# NOTE: adjust the list below, or you'll go crazy if you have a reasonably
#      busy site..
#
daemon.*;mail.*;	news.err;	*.=debug;*.=info;	*.=notice;*.=warn	|/dev/xconsole