Linux Shell Network layer monitoring scripts (monitoring includes: number of connections, number of handles, and analysis based on monitoring feedback results)

Source: Internet
Author: User

Script monitoring:

The process that gets the maximum number of handles:

Link Analysis:

Script fragment:

Case"$handle" inch2) echo"The handle of the process:"Echo" "Handle| Awk'{print $ "\ n" \ n "\ $7" \ n " $9" \ n "$11" \ n "}'>Temp forIinch' Cat temp ' do PS-ef | grep $i | Awk'{print "{" $ "}" ":" "{" $8 "}" ":" "{" $ "}"}'|grep $i Done RM-RF Temp echo"after 5 Seconds of waiting, the previous page is automatically adjusted. To exit, press CTRL + C:"Sleep5            ;; 1) echo" Analysis"Echo" "                               if[$closewait-ge" -"] then echo"close_wait: $closewait"Echo"a large number of close_wait have not been released for a long time, resulting in slower system responsiveness and recommended modifications to the Linux kernel parameters"fi

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