A Real-Time Detection Method of Software Configuration Errors Based on Fine-Grained Configuration Item Types

Table 4

System environment constraints met by different configuration item types.

configuration item type	System environment constraints	Command of obtaining system environment information
Memory	Less than the available memory	Free - m
Speed rate	Less than the upper bandwidth limit	ip a and ethtool [ethernet port]
Port	Not occupied by other services	Netstat - anp | grep [port]
User name	User exists	cat/etc/passwd | grep [user name]
File name	File name exists	Stat [file name]
Language	Available language types	ISO 639–1 [54]
MIME types	Available MIME types	IANA [55]
Path	Path exists	Stat (path)
Domain name	Domain name is available	Curl - I [domain name]
IP address	IP address is accessible	Ping [IP address]