Fedora 16 : small tips : monitoring tools : nethogs , latencytop , atop

[root@fc16 ~]# cat /etc/fedora-release Fedora release 16 (Verne) [root@fc16 ~]# uname -ri 3.3.1-3.fc16.x86_64 x86_64

[ nethogs ]

nethogs shows network bandwidth per process
You might identify which processes are using how much bandwidth.

install nethogs via yum

[root@fc16 ~]# yum install nethogs -y

nethogs “device name”



[ latencytop ]

latencytop displays system latency , for example , what kind of latency is occurring in your system , identify the cause of latency in your system.

[root@fc16 ~]# yum install -y latencytop

just type latencytop

# latencytop

[ atop ]

atop is a similar to “top”

# yum install -y atop

just type “atop”



write the output of "atop" to a file

[root@fc16 ~]# atop -w atop.raw  10 3

atop -w “filename” “interval” “# of samples”

[root@fc16 ~]# file atop.raw atop.raw: data

read the file

[root@fc16 ~]# atop -r atop.raw

You might want to use atop in combination with cron when monitoring your system periodically.