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Comodo Dome Firewall

Comodo Dome Firewall

Dome Cloud Firewall Admin Guide

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View Dome Cloud Firewall Status > System Status
  • Introduction To Dome Cloud Firewall
    • Login To The Dome Cloud Firewall Module
    • Get Started
  • The Dashboard
  • The Main Interface
  • View And Modify System Status And General Configuration
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System Status


The 'System Status' screen shows information about running services.


To open the 'System Status' interface, click 'Status' on the left then 'System Status':




  • Services - Services which are currently loaded and their running status
  • Memory -  System memory usage
  • Disk Usage -  Hard disk usage
  • Uptime and Users - Shows how long Dome CF has been running since the last restart, and which users are currently logged-on to the system
  • Loaded Modules - Shows kernel modules currently loaded into memory
  • Kernel Version - Shows current kernel version number

Administrators can navigate between sections by using the links at the top of the screen:



Services


The 'Services' pane shows a list of services that are currently loaded to Dome CF and whether they are running or stopped. A service may be stopped if the corresponding daemon or script is not enabled.




Memory


The memory pane shows the usage status of the physical memory in DCF server.



Memory Usage - Row Descriptions

Row

Description

RAM

Shows the total RAM size, used memory size, free available memory size in KB and a bar indicating in the memory usage in percentage. It can be close to 100% if Dome CF is running for long time since the Linux kernel uses all available RAM as disk cache to speed up I/O operations.

=/- buffers/cache

Shows the size of memory actually used by currently running processes. The memory used by processes should not exceed 80% of the total memory, otherwise, the active processes will be swapped to disk, which will reduce the performance of the system. If the memory usage exceeds the threshold for long periods of time RAM should be added to maintain the system performances.

Swap

Shows the memory dedicated for swapping services/processes and its usage status. The average swap usage will be below 20%, if not all the services are used all the time.


Disk usage


The 'Disk Usage' pane shows the hard disk drives/ partitions mounted on Dome Cloud Firewall, their mount point and the space of each disk partition similar to the output of Linux Disk Free (df) command.




Disk Usage - Column Descriptions

Column

Description

Device

The disk device or partition for various Dome CF modules. Examples:

  • The main disk (/dev/sda1).
  • The boot disk (/dev/sda1 /boot)
  • The data disk (/dev/mapper/local-var).
  • The temporary file system (/tmp)
  • The log partition (/var/log).
     

Mounted on

The mount point of the partition.

Size

The total size of the partition.

Used

Used space in the disk.

Free

Free Space in the disk.

Percentage

The usage of the disk space in percentage The used space in partitions that store the data and the logs grow over time. It is recommended to ensure that their usage does not exceed 95% to maintain the efficiency of the system.


Uptime and users


The 'Uptime and Users' pane indicate the period for which DCF is continuously running from the last boot time and the list of users that are currently logged-in.




The first line displays the following items in order:

  • Current time
  • The period for which the Dome CF is up and running from the last boot time
  • The number of users currently logged into the system
  • The average load on the system for the past 1, 5 and 15 minutes.

Following the first line, a table displays the details of the currently logged-in users.


Users - Column Descriptions

Column

Description

USER

The username/type.

TTY

The name of the terminal from which the user is connected.

FROM

The remote host name from which the user is connected.

LOGIN@

The date and time at which the user logged-in to the system, for the current session.

IDLE

The period for which the user is idle.

JCPU

The time spent by the processes initiated by the terminal through which the used has connected to the system, excluding the past background jobs. However, it includes the background jobs that are currently running.

PCPU

The time spent by the currently running processes, initiated by the actions listed under 'What' column.

WHAT

Shows what the user is doing.


Loaded modules


The 'Loaded Modules' pane displays the Kernel modules that are currently loaded to the system.



Loaded Modules - Column Descriptions

Column

Description

Module

The name of the module.

Size

Size of the module.

Used by

Number of times the module is used and the parent modules that referred this module.


Kernel version


The 'Kernel Version' pane displays the version number of the kernel currently used.




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