Monitor your old Linux devices
Watching Grampa
© Lead Image © lightwise, 123RF.com
Create monitoring dashboards with SSH, command-line tools, and Node-RED.
Some excellent technologies and packages are available for monitoring computer hardware. For medium to large systems, the Simple Network Monitoring Protocol (SNMP) approach is usually the preferred solution. However if you have a smaller system with older or low-end servers, some excellent lightweight command-line monitoring utilities can be used instead.
These command-line utilities can be run remotely over Secure Shell (SSH) and the output parsed to return only the key data values, which can then be displayed graphically in a Node-RED web dashboard (Figure 1). In this article, I demonstrate examples that use the iostat utility [1] to monitor CPU utilization and the lm-sensors package [2] and hddtemp utility [3] to monitor temperatures on dashboards.
Figure 1: Sending commands over SSH to a Node-RED dashboard.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Plasma Bigscreen Returns
A developer discovered that the Plasma Bigscreen feature had been sitting untouched, so he decided to do something about it.
-
CachyOS Now Lets Users Choose Their Shell
Imagine getting the opportunity to select which shell you want during the installation of your favorite Linux distribution. That's now a thing.
-
Wayland 1.24 Released with Fixes and New Features
Wayland continues to move forward, while X11 slowly vanishes into the shadows, and the latest release includes plenty of improvements.
-
Bugs Found in sudo
Two critical flaws allow users to gain access to root privileges.
-
Fedora Continues 32-Bit Support
In a move that should come as a relief to some portions of the Linux community, Fedora will continue supporting 32-bit architecture.
-
Linux Kernel 6.17 Drops bcachefs
After a clash over some late fixes and disagreements between bcachefs's lead developer and Linus Torvalds, bachefs is out.
-
ONLYOFFICE v9 Embraces AI
Like nearly all office suites on the market (except LibreOffice), ONLYOFFICE has decided to go the AI route.
-
Two Local Privilege Escalation Flaws Discovered in Linux
Qualys researchers have discovered two local privilege escalation vulnerabilities that allow hackers to gain root privileges on major Linux distributions.
-
New TUXEDO InfinityBook Pro Powered by AMD Ryzen AI 300
The TUXEDO InfinityBook Pro 14 Gen10 offers serious power that is ready for your business, development, or entertainment needs.
-
LibreOffice Tested as Possible Office 365 Alternative
Another major organization has decided to test the possibility of migrating from Microsoft's Office 365 to LibreOffice.