Tips and Tricks

tricks.sh

# remove non-ascii character from a file.
tr -cd '\11\12\15\40-\176' < file-with-binary-chars > clean-file

==
yum install sysstat
mpstat -P ALL
sar -u 2 5
nohup sar -o output.file 12 8 >/dev/null 2>&1 &
iostat -xtc 5 3
iostat 
==

# Monitors http://lintut.com/best-command-line-tools-for-linux-performance-monitring/
yum -y install ps_mem htop atop # Process monitors
yum -y install nethogs iptraf # Network monitors
yum install -y yum-utils # Yum repoingo tool
yum install inxi # Server Info
yum -y install ncdu # Disk usage
inxi -G
inxi -ni
inxi -n
inxi -D

# Web log analyzer - http://goaccess.io  
yum install ncurses-devel glib2-devel geoip

# Colourize - 
yum install ccze -y
tail /var/log/syslog | ccze -A
cat /var/log/syslog | ccze -h > ~/Desktop/syslog.html


References:
 - http://lintut.com/colorize-log-files-on-linux-using-ccze-tool/
 - http://lintut.com/best-command-line-tools-for-linux-performance-monitring/