How to install Glances Linux server monitoring tool on CentOS

Installing Glances Linux

Glances is a great tool for monitoring a server. Its full name is “Glances – an eye on your system”

It gives detailed information about CPU, MEM, DISK, and server performance.

Click here for Glances GitHub site – https://github.com/nicolargo/glances

Here is a quick guide to installing Glances in CentOS 7

  • First, install wget if you do not already have it

yum install wget -y

  • Add the fedora repo to CentOS – this is not a default repository so you have to manually add it

wget https://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm

  • Install the package with RPM

rpm -ivh epel-release-7-11.noarch.rpm

Install glances

yum install glances -y

  • Run Glances

glances

Requirements

  • python 2.7,>=3.4
  • psutil>=5.3.0 (better with latest version)

Optional dependencies:

  • bernhard (for the Riemann export module)
  • bottle (for Web server mode)
  • cassandra-driver (for the Cassandra export module)
  • couchdb (for the CouchDB export module)
  • docker (for the Docker monitoring support) [Linux-only]
  • elasticsearch (for the Elastic Search export module)
  • hddtemp (for HDD temperature monitoring support) [Linux-only]
  • influxdb (for the InfluxDB export module)
  • kafka-python (for the Kafka export module)
  • netifaces (for the IP plugin)
  • nvidia-ml-py3 (for the GPU plugin)
  • pika (for the RabbitMQ/ActiveMQ export module)
  • potsdb (for the OpenTSDB export module)
  • prometheus_client (for the Prometheus export module)
  • py-cpuinfo (for the Quicklook CPU info module)
  • pygal (for the graph export module)
  • pymdstat (for RAID support) [Linux-only]
  • pySMART.smartx (for HDD Smart support) [Linux-only]
  • pysnmp (for SNMP support)
  • pystache (for the action script feature)
  • pyzmq (for the ZeroMQ export module)
  • requests (for the Ports, Cloud plugins and RESTful export module)
  • scandir (for the Folders plugin) [Only for Python < 3.5]
  • statsd (for the StatsD export module)
  • wifi (for the wifi plugin) [Linux-only]
  • zeroconf (for the autodiscover mode)

Here is the interactive command list

Sort process list automatically

  • If CPU >70%, sort processes by CPU usage
  • If MEM >70%, sort processes by MEM usage
  • If CPU iowait >60%, sort processes by I/O read and write

A – Enable/disable Application Monitoring Process

b – Switch between bit/s or Byte/s for network I/OB

B – View disk I/O counters per second

c – Sort processes by CPU usage

d -Show/hide disk I/O stats

D - Enable/disable Docker stats

e – Enable/disable top extended stats

E -Erase current process filter

f -Show/hide file system and folder monitoring stats

F – Switch between file system used and free space

g – Generate graphs for current history

h – Show/hide the help screen

i – Sort processes by I/O rate

I – Show/hide IP module

l – Show/hide log messages

m – Sort processes by MEM usage

M – Reset processes summary min/max

n – Show/hide network stats

N – Show/hide current time

p – Sort processes by name

q|ESC|CTRL-C – Quit the current Glances session

Q – Show/hide IRQ module

r – Reset history

R – Show/hide RAID plugin

s – Show/hide sensors stats

t – Sort process by CPU times (TIME+)

T – View network I/O as combination

u – Sort processes by USER

U – View cumulative network I/O

w – Delete finished warning log messages#

W – Show/hide Wifi module

x – Delete finished warning and critical log messages

z– Show/hide processes stats0

Enable/disable Irix/Solaris mode

Task’s CPU usage will be divided by the total number of CPUs

1Switch between global CPU and per-CPU stats2Enable/disable left sidebar3Enable/disable the quick look module4Enable/disable all but quick look and load module5Enable/disable top menu (QuickLook, CPU, MEM, SWAP and LOAD)6Enable/disable mean GPU mode/Switch between process command line or command name

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