How to monitor your Linux server with Glances

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When you’re a Linux administrator, that info is efficacious. With out the flexibility to rapidly achieve perception into knowledge heart servers, troubleshooting turns into exponentially tougher. Due to that, you want that info at a look. However when your Linux servers are sans a desktop atmosphere, how do you get the data you want?

There are lots of instruments accessible that present varied bits of knowledge. For a lot of admins, the primary device to make use of is the highest command. However for some, high misses out on some essential info. What if there’s a terminal app that may give you extra info than high? That device does exist, and it is referred to as Glances.

Glances is a text-based monitor that gives details about:

  • CPU
  • Reminiscence
  • Load
  • Course of checklist
  • Community interface
  • Disk I/O
  • IRQ / Raid
  • Sensors
  • Filesystem (and folders)
  • Docker
  • Monitor
  • Alert
  • System data
  • Uptime
  • Quicklook (CPU, MEM, LOAD)

Glances even features a web-based GUI that makes monitoring much more versatile. Let’s set up and use Glances on Ubuntu Server 18.04 (concern not, Glances might be put in on most distributions, from the usual repository).

SEE: Securing Linux coverage (Tech Professional Analysis)

Set up

The set up is kind of easy. Open a terminal window and subject the command:

sudo apt-get set up glances

As soon as the set up completes, you are prepared to make use of the app.

Utilization

Problem the command glances and the curses-based device will open (Determine A).

Determine A

The Glances curses-based interface is simple to learn.

As you possibly can see, there’s loads of info accessible. Nonetheless, you may get extra. Glances features a useful sidebar that provides a bit extra info (like Docker container community I/O). To open the sidebar (Determine B), hit the two key in your keyboard.

Determine B

Figure BFigure B

The Glances sidebar in motion.

The sidebar contains Community and Disk I/O, in addition to Docker info (if put in and working), in addition to ping occasions to the default gateway. To shut Glances, hit the [Ctrl]+[c] key mixture on the keyboard.

Internet server mode

The following trick is to run Glances in net server mode. To do that, begin Glances with the command:

glances -w

The above command will solely output that the webserver has began. You’ll be able to then level an online browser to http://SERVER_IP:61208 (the place SERVER_IP is the IP deal with of the server internet hosting glances). The interface you may see within the net browser is precisely the identical as what you noticed within the terminal window, solely from inside an online browser. To kill the online server occasion, return to the terminal working the command and hit the [Ctrl]+[c] key mixture.

Straightforward Linux server monitoring

Monitoring your Linux server has by no means been simpler. If the highest command would not show sufficient info, however you just like the interface-layout, Glances definitely fills the necessity for barely extra info that high misses.

Additionally see

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Picture: Jack Wallen

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