What are monitoring tools in Linux?

Posted on by Muna Meyer

What are monitoring tools in Linux?

Best Closed-Source Linux Network Monitoring Tools:

  • SolarWinds NetFlow Traffic Analyzer.
  • Paessler PRTG Network Monitor.
  • Nagios Network Analyzer.
  • Zenoss Cloud. Top Open-Source Linux Network Monitoring Tools:
  • Icinga 2.
  • OpenNMS.
  • Cacti.
  • Zabbix.

How do you monitor Linux commands executed by system users in real time?

If your current shell is Bash Shell then all the commands that are executed by normal system users will be stored in the . bash_history hidden file which is found in each user’s home directory. The content of that file can be viewed by users, using the history command.

What are open source monitoring tools?

Let’s take a look at the top-rated open-source monitoring tools and see what works for you!

  • Prometheus. Prometheus is an open-source monitoring solution primarily fixated on data gathering and analysis based on time-series data.
  • Zabbix.
  • Nagios.
  • Riemann.
  • Sensu.
  • Icinga.
  • Cacti.
  • LibreNMS.

What is Sysstat command in Linux?

Sysstat is a collection of Unix tools used for performance monitoring, the package includes tools such as iostat , mpstat , pidstat , sadf and sar . Along with the real time commands sysstat will install a cronjob that will run every 10 minutes and collect the systems performance information.

How can I see all executed commands in Linux?

In Linux, there is a very useful command to show you all of the last commands that have been recently used. The command is simply called history, but can also be accessed by looking at your . bash_history in your home folder. By default, the history command will show you the last five hundred commands you have entered.

Is Prometheus better than Zabbix?

Prometheus is faster because of the database and Zabbix has a smaller footprint (because it’s written in C). In Zabbix you can do most things in the web GUI, but in Prometheus you must edit files like in Nagios.

What are the most common Linux commands?

ls -R will list all the files in the sub-directories as well

  • ls -a will show the hidden files
  • ls -al will list the files and directories with detailed information like the permissions,size,owner,etc.

    • How to run multiple Linux commands in one single command?

    A list of files that can be passed as input to parallel command,to do some operations in parallel on all of them

  • You can give a list of IP addresses/hostnames,on which you need to fire up a command in parallel
  • List of links/URLs (similar to our wget example we saw with xargs and shell above)

    • What are the Linux commands?

    Environment Variables. Variables are local,which means they are specific to a process.

  • Finding files and directories.
  • Managing Users and Groups.
  • Configure and Troubleshoot Network.
  • Managing Partitions and Logical Volumes.
  • Managing RPM and Software Repositories.
  • Manage logging.

    • How to monitor network activity on a Linux system?

    ac – Displays statistics about how long users have been logged on.

  • lastcomm – Displays information about previously executed commands.
  • accton – Turns process accounting on or off.
  • dump-acct – Transforms the output file from the accton format to a human-readable format.
  • dump-utmp – Prints utmp files in human-readable format.