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

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abregman 2019-12-18 15:33:16 +02:00
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:information_source:  This repository contains questions on various DevOps and SRE related topics :information_source:  This repository contains questions on various DevOps and SRE related topics
:bar_chart:  There are currently **635** questions :bar_chart:  There are currently **640** questions
:books:  To learn more about DevOps check the resources in [DevOpsBit.com](https://devopsbit.com) :books:  To learn more about DevOps check the resources in [DevOpsBit.com](https://devopsbit.com)
@ -255,7 +255,7 @@ One can argue whether it's per company definition or a global one but at least a
</b></details> </b></details>
<details> <details>
<summary>How do you measure your CI/CD quality? Are there any metrics you are using for measuring the quality?</summary><br><b> <summary>How do you measure your CI/CD quality? Are there any metrics or KPIs you are using for measuring the quality?</summary><br><b>
</b></details> </b></details>
<details> <details>
@ -1135,6 +1135,15 @@ For each file (and directory) in Linux there is an inode, a data structure which
related to the file like its size, owner, permissions, etc. related to the file like its size, owner, permissions, etc.
</b></details> </b></details>
<details>
<summary>Which of the following is not included in inode:
* Link count
* File size
* File name
* File timestamp</summary><br><b>
</b></details>
<details> <details>
<summary>How to check which disks are currently mounted?</summary><br><b> <summary>How to check which disks are currently mounted?</summary><br><b>
</b></details> </b></details>
@ -1144,8 +1153,18 @@ related to the file like its size, owner, permissions, etc.
Hard link is the same file, using the same inode. Hard link is the same file, using the same inode.
Soft link is a shortcut to another file, using a different inode. Soft link is a shortcut to another file, using a different inode.
</b></details>
Soft links can be created between different file systems while hard link can be created only within the same file system. <details>
<summary>True or False? You can create an hard link for a directory</summary><br><b>
False
</b></details>
<details>
<summary>True or False? You can create a soft link between different filesystems</summary><br><b>
True
</b></details> </b></details>
<details> <details>
@ -1259,6 +1278,10 @@ SIGKILL - a signal which cannot caught or ignored
To view all available signals run `kill -l` To view all available signals run `kill -l`
</b></details> </b></details>
<details>
<summary>What <code>kill 0</code> does?</summary><br><b>
</b></details>
<details> <details>
<summary>What is a trap?</summary><br><b> <summary>What is a trap?</summary><br><b>
</b></details> </b></details>
@ -1426,6 +1449,12 @@ This is a great article on the topic: https://www.computerhope.com/jargon/f/file
<summary>How to list active connections?</summary><br><b> <summary>How to list active connections?</summary><br><b>
</b></details> </b></details>
<details>
<summary>How to trigger neighbor discovery in IPv6?</summary><br><b>
One way would be `ping6 ff02::1`
</b></details>
##### Linux DNS ##### Linux DNS
<details> <details>