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monitoring

Server Administration

Monitoring

Monitoring an Ubuntu Server

See also: Apache Monitoring

If you think it is difficult to know what is going on with your Ubuntu server…look at all of the ways you can use to monitor everything.


Network Monitoring

program description
Iptraf Display network statistics in real-time, full-screen.
Netstat Netstat is the most versatile network administration tool.

See also: Network

CPU and Memory Monitoring

program description
Free Display information about physical RAM and swap memory.
Htop An easy to use upgrade to top.
Mpstat Mpstat reports processors statistics. Part of the Sysstat package.
Pmap Display the memory map of a given process.
Sar System Activity Report shows system load information for the most recent 30 days. Part of the Sysstat package.
Top Display and update information about top CPU processes, processor load and memory usage.
Vmstat Shows a snapshot about processes, memory, paging, block IO, traps, disks and cpu activity.

Disk Monitoring

program description
Iostat Show statistics and input/output statistics for devices and partitions. Part of the Sysstat package.

See also: Disk Space

Process Monitoring

program description
Atop An easy to use alternative to top.
Htop An easy to use alternative to top with mouse/trackpad support.
Lsof “List Open Files” lsof lists files open on the system.
PgrepFind process IDs (PIDs) by process name.
PkillThe nuclear weapon of kill commands.
Pmap Display the memory map of a given process.
Ps The ps command reports a snapshot of currently running processes.
PstreeDisplay a tree-like, hierarchical graph of running processes.
StraceShow A process's system calls and signals
Top Display and update information about top CPU processes, processor load and memory usage.

See also: Process Control, Services

Monitoring Users

program description
Who Display a list of users that are currently logged in.
Last Display a list of users who were recently logged in.

See also: Users and Groups

Other Monitoring Tools

program description
Glances A simple to use and uncluttered system information reporting program. Not available from standard repositories.
Icinga https://www.icinga.org/
Munin https://help.ubuntu.com/lts/serverguide/munin.html
Nagios https://help.ubuntu.com/lts/serverguide/nagios.html

monitoring.txt · Last modified: 2015/05/31 21:20 (external edit)