Systems Administrator II Interview Questions | Glassdoor

Systems Administrator II Interview Questions

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User has lost root password, how do you reset?

5 Answers

init 1, change root password... I missed this one.

"init 1" doesn't always work, if you're not already root some systems will ask you for root password, and if you're not logged into the system ? What always works is to boot of a live CD, mount the file system with /etc, edit the /etc/passwd, /etc/shadow file.

Actually the easiest way to do this is to single the box in run-level 1 then use the standard passwd tools to update the hash. That's far simpler than using a live cd and editing the shadow file. This a network based kvm. is an operation that can be done at the DC or over ipmi or

Define the difference between a hub and a switch

3 Answers

When does DNS use TCP instead of UDP

3 Answers

What are the port number for smtp, ftp and http

2 Answers

How would you handle someone on your team who wasn't pulling their weight?

1 Answer

What is runlevel 3?

1 Answer

Give an example of a time when you suffered a failure.

1 Answer

Know what the lsof command does.

1 Answer

What are the port numbers for SMTP, FTP, and DNS

1 Answer

Sell yourself. Sell Sell Sell. They ask all the typical q's about bad customer support, good customer support, difficult coworkers or customers, etc etc. A lot of "why should we hire you?" "why do you want to work here?"

1 Answer
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