Add Ansible and Regex questions

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abregman 2020-01-26 13:46:43 +02:00
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:information_source:  This repo contains questions and exercises on various technical topics, sometimes related to DevOps and SRE :)
:bar_chart:  There are currently **834** questions
:bar_chart:  There are currently **854** questions
:warning:  You can use these for preparing for an interview but most of the questions and exercises don't represent an actual interview. Please read [Q&A](common-qa.md) for more details
@ -60,6 +60,7 @@
<tr>
<td align="center"><a href="#testing"><img src="images/testing.png" width="75px;" height="75px;" alt="Testing"/><br /><b>Testing</b></a></td>
<td align="center"><a href="#databases"><img src="images/databases.png" width="75px;" height="75px;" alt="Databases"/><br /><b>Databases</b></a></td>
<td align="center"><a href="#regex"><b>Regex</b></a><br /><sub><a href="#regex-beginner">Beginner :baby:</a></sub><br><sub></td>
<td align="center"><a href="#design"><img src="images/design.png" width="110px;" height="75px;" alt="Design"/><br /><b>Design</b></a></td>
<td align="center"><a href="#questions-you-ask"><img src="images/you.png" width="110px;" height="75px;" alt="you"/><br /><b>Questions you ask</b></a></td>
<td align="center"><a href="#exercises"><img src="images/exercises.png" width="110px;" height="75px;" alt="Exercises"/><br /><b>Exercises</b></a></td>
@ -2166,6 +2167,14 @@ spun up and shut down, without you tracking every change in these sources.
<summary>You want to run Ansible playbook only on specific minor version of your OS, how would you achieve that?</summary><br><b>
</b></details>
<details>
<summary>What the "become" directive used for in Ansible?</summary><br><b>
</b></details>
<details>
<summary>What are facts? How to see all the facts of a certain host?</summary><br><b>
</b></details>
<details>
<summary>What would be the result of the following play?</summary><br><b>
@ -2184,7 +2193,7 @@ When given a written code, always inspect it thoroughly. If your answer is “th
</b></details>
<details>
<summary>What would be the result of running the following task?
<summary>What would be the result of running the following task? How to fix it?
```
- hosts: localhost
@ -2205,6 +2214,18 @@ When given a written code, always inspect it thoroughly. If your answer is “th
<summary>Explain the directory layout of an Ansible role</summary><br><b>
</b></details>
<details>
<summary>What 'blocks' are used for in Ansible?</summary><br><b>
</b></details>
<details>
<summary>How do you handle errors in Ansible?</summary><br><b>
</b></details>
<details>
<summary>You would like to run a certain command if a task fails. How would you achieve that?</summary><br><b>
</b></details>
<details>
<summary>Write a playbook to install zlib and vim on all hosts if the file /tmp/mario exists on the system.</summary><br><b>
@ -2320,10 +2341,10 @@ A full list can be found at the link above. Also, note there is a significant di
<details>
<summary>Write a filter to capitalize a string</summary><br><b>
<code>
```
def cap(self, string):
return string.capitalize()
</code>
```
</b></details>
<details>
@ -3616,7 +3637,7 @@ with open('file.txt', 'w') as file:
<summary>Can you write a function which will print all the file in a given directory? including sub-directories</summary><br><b>
</b></details>
#### Regex
#### Python Regex
<details>
<summary>How do you perform regular expressions related operations in Python? (match patterns, substitute strings, etc.)</summary><br><b>
@ -6280,6 +6301,44 @@ A single data source (at least usually) which is stored in a raw format.
<summary>What is OLAP (Online Analytical Processing)?</summary><br><b>
</b></details>
## Regex
Given a text file, perform the following exercises
#### Extract
<details>
<summary>Extract all the numbers</summary><br><b>
</b></details>
<details>
<summary>Extract the first word of each line</summary><br><b>
Bonus: extract the last word of each line
</b></details>
<details>
<summary>Extract all the IP addresses</summary><br><b>
</b></details>
<details>
<summary>Extract dates in the format of yyyy-mm-dd or yyyy-dd-mm</summary><br><b>
</b></details>
<details>
<summary>Extract email addresses</summary><br><b>
</b></details>
#### Replace
<details>
<summary>Replace tabs with four spaces</summary><br><b>
</b></details>
<details>
<summary>Replace 'red' with 'green'</summary><br><b>
</b></details>
## Design
#### Architecture