Repos-que-me-gustan/devops-exercises
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Add a couple of questions

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Reached 200 questions :D
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abregman 2019-10-18 23:13:56 +03:00
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@ -3,7 +3,7 @@
:information_source:  This repository contains interview questions on various DevOps related topics :information_source:  This repository contains interview questions on various DevOps related topics
:bar_chart:  There are currently **170** interview questions :bar_chart:  There are currently **200** interview questions
:warning:  Some answers might be only partial and shouldn't be used as they are in interviews :warning:  Some answers might be only partial and shouldn't be used as they are in interviews
@ -495,6 +495,10 @@ The tasks are stored in a cron file.
* 750</summary><br><b> * 750</summary><br><b>
</b></details> </b></details>
<details>
<summary>Explain what is setgid, setuid and sticky bit</summary><br><b>
</b></details>
<details> <details>
<summary>How to add a new user to the system without providing him the ability to log-in into the system?</summary><br><b> <summary>How to add a new user to the system without providing him the ability to log-in into the system?</summary><br><b>
</b></details> </b></details>
@ -534,6 +538,27 @@ Can you explain when are you using each one?</summary><br><b>
<summary>Explain redirection</summary><br><b> <summary>Explain redirection</summary><br><b>
</b></details> </b></details>
<details>
<summary>What are wildcards? Can you give an example of how to use them?</summary><br><b>
</b></details>
<details>
<summary>What do we grep for in each of the following commands?:
* <code>grep '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' some_file</code>
* <code>grep -E "error|failure" some_file</code>
* <code>grep '[0-9]$' some_file</code>
</summary><br><b>
1. An IP address
2. The word "error" or "failure"
3. Lines which end with a number
</b></details>
<details>
<summary>Tell me everything you know about Linux boot process</summary><br><b>
</b></details>
<details> <details>
<summary>What is an exit code? What exit codes are you familiar with?</summary><br><b> <summary>What is an exit code? What exit codes are you familiar with?</summary><br><b>
@ -546,10 +571,6 @@ Each number has different meaning, based on how the application was developed.
I consider this as a good blog post to read more about it: https://shapeshed.com/unix-exit-codes I consider this as a good blog post to read more about it: https://shapeshed.com/unix-exit-codes
</b></details> </b></details>
<details>
<summary>How to grep two strings?</summary><br><b>
</b></details>
<details> <details>
<summary>What is the different between a soft link and hard link?</summary><br><b> <summary>What is the different between a soft link and hard link?</summary><br><b>
@ -560,6 +581,18 @@ soft links can be created between different file systems while
hard link can be created only within the same file system. hard link can be created only within the same file system.
</b></details> </b></details>
<details>
<summary>What do you know about LVM?</summary><br><b>
</b></details>
<details>
<summary>Explain the following in regards to LVM:
* PV
* VG
* LV</summary><br><b>
</b></details>
<details> <details>
<summary>What RAID is used for? Can you explain the differences between RAID 0, 1, 5 and 10?</summary><br><b> <summary>What RAID is used for? Can you explain the differences between RAID 0, 1, 5 and 10?</summary><br><b>
</b></details> </b></details>