how do you port scaning with netcat command?
How do you kill a process in linux?
difference between Tcp and udp
how do find all failed login attempts via ssh?
What is devops model?
Who whoami linux?
What is filter command in unix?
How do I permanently set ulimit in linux?
when i create SAMBA server it is ok but while i try for access from windows pc he ask me only first time smb password then i close samba login next time he can`t ask for passwd why.?
Explain trap command of linux?
find out what file systems supported by kernel?
How can you find configuration on linux?
How many types of dos commands are there?