How to check active connection in linux

Linux command to check all active connection

 

As oracle Apps DBA sometime i nned to know the active connection in my server. Or who are working as system administrator they have a common requirement like same.

So follow bellow info to find active connection in your linux system

 

By Using last command

[root@ebs ~]# last -a | grep -i still

Aply this command and you will get information like below image.

 

 

By using ss command

[root@ebs ~]# ss | grep ssh

 Aply this command and you will get information like below image.

 

 

 By using w command

[root@ebs ~]# w

 Aply this command and you will get information like below image.

 

 

By using who command

[root@ebs ~]# who

 

 

By using ps command

[root@ebs ~]# ps auxwww | grep sshd: | grep -v grep

 

 By using netstat command

[root@ebs ~]# netstat -tnpa | grep 'ESTABLISHED.*sshd'

 

 

I hope this topic will be helpful for both Oracle Apps DBA and Linux System Administrator.

  

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