CentOS operating system monitoring

Collect and monitor the general performance Metrics of CentOS operating system.

Configuration parameter

Parameter Name	Parameter Help Description
Monitored Host	The IPV4, IPV6, or domain name of the host being monitored. Note ⚠️ No protocol header (e.g., https://, http://).
Task Name	The name that identifies this monitoring, which must be unique.
Port	The port provided by Linux SSH, default is 22.
Timeout	Sets the connection timeout in milliseconds, default is 6000 ms.
Connection Reuse	Sets whether SSH connections are reused, default is :false. If false, a new connection is created each time information is retrieved.
Use Proxy Connection	Sets Whether connect via proxy, default is false.
Username	SSH connection username, optional.
Password	SSH connection password, optional.
Collector	Configures which collector is used to schedule data collection for this monitoring.
Monitoring Period	The interval time for periodic data collection in seconds, with a minimum interval of 30 seconds.
Binding Tags	Used for categorized management of monitoring resources.
Description	Additional notes and descriptions for this monitoring, where users can make notes.
PrivateKey	The private key required to connect to the server.
PrivateKey PassPhrase	The password phrase used to encrypt the SSH private key. If the private key was generated with a passphrase, this field must be filled to decrypt and use the key for authentication.
Proxy Host	The address of the proxy server, supporting IPV4, IPV6, or domain name format. Required when using SSH jump host to access the target host.
Proxy Port	The port number of the proxy service, default is 22.
Proxy Username	The authentication username required to connect to the proxy server.
Proxy Username	The authentication password required to connect to the proxy server.
Proxy PrivateKey	The private key required to authenticate with the proxy server.

Data Collection Metrics

Metric Set: Basic System Information

Metric Name	Metric Unit	Metric Help Description
hostname	None	Host name
version	None	System version
uptime	None	System Uptime

Metric Set: CPU Information

Metric Name	Metric Unit	Metric Help Description
info	None	CPU model
cores	None	Number of CPU cores
interrupt	None	Number of CPU interrupts
load	None	Average CPU load (1/5/15 minutes)
context_switch	None	Number of context switches
usage	%	CPU usage

Metric Set: Memory Information

Metric Name	Metric Unit	Metric Help Description
total	Mb	Total memory capacity
used	Mb	Memory used by user programs
free	Mb	Free memory capacity
buff_cache	Mb	Memory used for cache
available	Mb	Remaining available memory capacity
usage	%	Memory usage rate

Metric Set: Disk Information

Metric Name	Metric Unit	Metric Help Description
disk_num	None	Total number of disks
partition_num	None	Total number of partitions
block_write	None	Total number of blocks written to disk
block_read	None	Total number of blocks read from disk
write_rate	iops	Disk block write rate per second

Metric Set: Network Card Information

Metric Name	Metric Unit	Metric Help Description
interface_name	None	Network card name
receive_bytes	Byte	Inbound data traffic (bytes)
transmit_bytes	Byte	Outbound data traffic (bytes)

Metric Set: File System

Metric Name	Metric Unit	Metric Help Description
filesystem	None	Name of the file system
used	Mb	Used disk size
available	Mb	Available disk size
usage	%	Usage rate
mounted	None	Mount point directory

Metric Set: Top 10 CPU Processes

Statistics for the top 10 processes using the CPU. Statistics include: process ID, CPU usage, memory usage, and executed command.

Metric Name	Metric Unit	Metric Help Description
pid	None	Process ID
cpu_usage	%	CPU usage
mem_usage	%	Memory usage
command	None	Executed command

Metric Set: Top 10 Memory Processes

Statistics for the top 10 processes using memory. Statistics include: process ID, memory usage, CPU usage, and executed command.

Metric Name	Metric Unit	Metric Help Description
pid	None	Process ID
mem_usage	%	Memory usage
cpu_usage	%	CPU usage
command	None	Executed command