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Showing posts from February 11, 2019

Why there are 65535 ports

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1 Wondering why they chose to have 16-bit (65535) ports. Why not just 256 or millions. I understand it's a power of 2, but not why it was this size. Wondering in what situations it would make sense to have a different amount, either smaller or significantly larger. port share | improve this question asked 11 mins ago Lance Pollard Lance Pollard 151 7 Uh…Because TCP or UD

How to resolve sudo error in RHEL7

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0 I am not able to use sudo, how to resolve this ? $ sudo vi /etc/fstab sudo: effective uid is not 0, is sudo installed setuid root? rhel share asked 2 mins ago user2439245 user2439245 3 1 New contributor user2439245 is a new contributor to this site. Take care in asking for clarification, commenting, and answering. Check out our Code of Conduct.