some useful linux tools

http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html

http://www.dedoimedo.com/computers/linux_commands.html

http://tldp.org/LDP/abs/html/system.html

http://lwn.net/Articles/230975/

http://unix.stackexchange.com/questions/33381/getting-information-about-a-process-memory-usage-from-proc-pid-smaps

http://sebastien.godard.pagesperso-orange.fr/

http://www.pixelbeat.org/cmdline.html

http://www.brendangregg.com/perf.html

mount -o remount,rw <>

ps –ALFl

ps axfl

netstat -p ( pid ) –u ( number only ), -e ( extended ) –s ( stats ) –u ( udp ) –t ( tcp ) –x ( unix ) –l ( listen ) –a ( all ) –r ( routing table ) –i ( ifconfig)

vmstat : vmstat -S m 1 ,

pidstat: pidstat –u 1 2, pidstat –r 1 2, pidstat –d –p <pid>, pidstat –t,

iostat

sar : sar –u 1 3, sar –B 1 3, sar –r, sar -W

mpstat

pmap

nmap

netstat/ss

iptraf

tcpdump

strace -T

ltrace -T

fuser

lsof

slabtop

fatrace

ipcs

screen

readelf