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GNU/Linux Monitoring Tools
2
Operating systems control our
hardware and run our applications on
them, how can we monitor linux
operating system?
3
When we speak about monitoring it's
the matter of all hardwares and users.
users
CPU
Memory
Storage
Ethernet
4
The slides below will describe the
very common command line basic
tools for monitoring.
5
ps Command
The ps will provide you
a list of processes
currently running. There
is a wide variety of
options that this
c...
6
pstree Command
This command will give
you a hierarchy of
current processes of the
CPU regarding to their
parent process.
7
top Command
The most common of
Monitoring commands is
top. The top will display
a continually updating
report of system
...
8
tcpdump Command
Tcpdump one of the most widely used command-line network packet analyzer
or packets sniffer program that...
9
vmstat Command
The vmstat command will provide a report showing
statistics for system processes, memory, swap, I/O, and
...
10
iftop Command
iftop listens to network traffic on a named interface, or on
the first interface it can find which looks ...
11
iostat Command
The iostat will display the current CPU load average and disk I/O
information. This is a great command t...
12
lsof Command
The lsof command
will print out a list of
every file that is in
use.
13
du Command
To view usage by a
directory or file you can
use du. Unless you
specify a filename du
will act recursively.
14
netstat Command
Netstat is a command line
tool for monitoring incoming
and outgoing network
packets statistics as well ...
15
df Command
The df is the simplest tool available to view disk usage.
Simply type in df and you'll be shown disk usage f...
16
iotop Command
iotop is also much similar to
top command and Htop
program, but it has
accounting function to
monitor and...
17
who Command
The easiest way to see
who is on the system is to
do a who or w.
18
It is important that what is going on around us.
Finish
http://linux.org
http://gnu.org
http://xamin.ir
19
● [1] http://tldp.org - The Linux System Administrator's Guide
● [2] http://www.tecmint.com/command-line-tools-to-monit...
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Linux System Monitoring basic commands

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Operating systems control our hardware and run our applications on them, how can we monitor linux operating system?

When we speak about monitoring it's the matter of all hardwares and users.

The slides below will describe the very common command line basic tools for monitoring.

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Transcript of "Linux System Monitoring basic commands"

  1. 1. GNU/Linux Monitoring Tools
  2. 2. 2 Operating systems control our hardware and run our applications on them, how can we monitor linux operating system?
  3. 3. 3 When we speak about monitoring it's the matter of all hardwares and users. users CPU Memory Storage Ethernet
  4. 4. 4 The slides below will describe the very common command line basic tools for monitoring.
  5. 5. 5 ps Command The ps will provide you a list of processes currently running. There is a wide variety of options that this command gives you.
  6. 6. 6 pstree Command This command will give you a hierarchy of current processes of the CPU regarding to their parent process.
  7. 7. 7 top Command The most common of Monitoring commands is top. The top will display a continually updating report of system resource usage.
  8. 8. 8 tcpdump Command Tcpdump one of the most widely used command-line network packet analyzer or packets sniffer program that is used capture or filter TCP/IP packets that received or transferred on a specific interface over a network.
  9. 9. 9 vmstat Command The vmstat command will provide a report showing statistics for system processes, memory, swap, I/O, and the CPU. These statistics are generated using data from the last time the command was run to the present.
  10. 10. 10 iftop Command iftop listens to network traffic on a named interface, or on the first interface it can find which looks like an external interface if none is specified, and displays a table of current bandwidth usage by pairs of hosts.
  11. 11. 11 iostat Command The iostat will display the current CPU load average and disk I/O information. This is a great command to monitor your disk I/O usage.
  12. 12. 12 lsof Command The lsof command will print out a list of every file that is in use.
  13. 13. 13 du Command To view usage by a directory or file you can use du. Unless you specify a filename du will act recursively.
  14. 14. 14 netstat Command Netstat is a command line tool for monitoring incoming and outgoing network packets statistics as well as interface statistics. It is very useful tool for every system administrator to monitor network performance and troubleshoot network related problems.
  15. 15. 15 df Command The df is the simplest tool available to view disk usage. Simply type in df and you'll be shown disk usage for all your mounted filesystems in 1K blocks
  16. 16. 16 iotop Command iotop is also much similar to top command and Htop program, but it has accounting function to monitor and display real time Disk I/O and processes. This tool is much useful for finding the exact process and high used disk read/writes of the processes.
  17. 17. 17 who Command The easiest way to see who is on the system is to do a who or w.
  18. 18. 18 It is important that what is going on around us. Finish http://linux.org http://gnu.org http://xamin.ir
  19. 19. 19 ● [1] http://tldp.org - The Linux System Administrator's Guide ● [2] http://www.tecmint.com/command-line-tools-to-monitor-linux-performance/ ● [3] http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html/top-output References
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