Search results

  1. B

    What is client and server in docker?

    Docker client is probably docker CLI as written above Say I've installed Docker in my VM. Which is server? If the server is my VM, why does it require REST API to communicate with docker client cli?
  2. B

    Use dd or cp or rsync or tar for backing up files?

    How do you determine it? Which one to use at which context? I recently took backup using cp command. It was all good. But would there be a better way?
  3. B

    A short term devops course(worth <30hrs of curriculum)?

    As I said in my previous post, I'm learning RHCSA, LPIC etc. I will practice 257 questions of RHCSA, understand them. Along with Nehra Classes RHCSA course. I will practice 1200 questions from LPIC practice questions. The goal is to ensure I know short tricks as well as concepts of Linux. But...
  4. B

    When do I need to install epel-release?

    I see that for packages like chromium on centos 7, I need to install epel-release. But how do I know when I need to install epel-release? Is there some logic behind it?
  5. B

    I'm scared how long RHCSA will take me to learn. Will learning the exam(not for certificate) be worth it?

    I just bought ghada atef's rhcsa practice questions which contains 257 questions. It'd take me 1 day to learn 1 question. I already know basics of Linux but don't know advanced Linux. So, basically it'll take me ~1 year to read for RHCSA. Would it be worth it at the end? I'd miss so many...
  6. B

    What should I learn next as a devops beginner?

    I'm working as a devops engineer in a big tech company (local). The technologies used here are nginx, linux, sql, redis, docker, glassfish and payara, kubernetes, tomcat, gitlab, jenkins etc. I've learnt linux and sql till date. What should I learn next? I mean the order might be important. But...
  7. B

    Why Can't anyone open a tunnel and access the remote server?

    Currently in my company, we're using VPN->Then RDP. And inside RDP, we access remote server. While some servers are directly accessible, some are not. We need to do tunneling for it. I'm failing to understand the point of tunneling. I've read articles after articles like...
  8. B

    Optimizing grep -rnw . -e "string_to_search"?

    This greps for all files that contains the string_to_search in current directory. Is there a way to limit it to latest files? Or any way to optimize it? Like changing the command. Say I need to search for files from July only how'd I do it? Assume files are named programs.logs_2023-07-*
  9. B

    Not understanding when to use ~/.bashrc, /etc/profile ,~/.bash_profile or ~/.profile?

    I've read tidbits of pages from around 10 books, and I can safely say I am even more confused than before. Earlier I'd just set everything in .bashrc file. LOL. Say I've scenarios like these: 1) I want to set system variables for user "jacky", what should I use? 2) I want to set system...
  10. B

    How to search for files that have setuid bit set regardless of other permissions?

    sudo find / -perm -4000 > suid.txt Is this the correct syntax?
  11. B

    Should I quit my job?

    I am a entry level customer support engineer. Looks like this is not a very technical job. The contract is of 2 years. If I leave early, I'd have to pay 3 months equivalent of salary. My degree is in computer engineering. IDK why I am doing this job. I wanted to spend some time learning...
  12. B

    Learning linux for devops-Recommend some courses.

    I prefer videos to learn. Can you recommend some please. This is the job description "knowledgeable about Linux systems and has experience with shell scripting, Linux setup, and other related topics." That's all. Another job tells me I need to learn linux for the job that's all, it's like a...
  13. B

    If I allocate 20GB partition for ubuntu, does that mean I can't install anything more than 20GB?

    How much partition should I give to Ubuntu vs Windows 10 on dual boot? I don't think I'm coming back to windows 10 but just in case some errors happen, as I'm a beginner user, I'd have to come back to Windows 10. I am trying to understand if I give only 20GB partition for ubuntu, can I install...
  14. B

    Best linux books to understand what I'm doing on command line on linux?

    I started using Ubuntu since 1 month. Problem is that I'm just copying commands from others and pasting it. I'm memorizing them, noting them down rather than trying to understand the command in each detail. Trying to decode each command letter by letter probably won't be much effective as a...
  15. B

    How to do memtest86+ in Ubuntu latest?

    memtest isn't in my grub. So, I tried installing it by reading various manuals. I did these: sudo apt update sudo apt -y install memtest86+ But memtest86+ still doesn't show up at the grub. I instead used memtester but I'm not sure of its quality of checking. That's why.
  16. B

    Chrome alike bookmark manager for firefox?

    There is https://addons.mozilla.org/en-US/firefox/addon/chrome-bookmark-manager/ this bookmark manager for firefox similar to chrome one. But it's weird one. It doesn't remember(neither does chrome but this one feels so weird while using). I've 10 folders of bookmarks. In each I've subfolders...
  17. B

    How to remove youtube app from ubuntu?

    I tried sudo apt remove youtube but it didn't remove the app. How do I remove it? It was installed from website itself. It's not in Ubuntu Software Centre.
  18. B

    How to create a shortcut of a folder in Ubuntu at desktop?

    I just need a way to access a folder directly by clicking on desktop. This answers just copies that folder to desktop instead of just a shortcut. So, what's the way to do it? Is it impossible?
  19. B

    How to fix Touch pad Pinch Zooming issues even in Debian Google Chrome?

    The reason for needing chrome is because firefox bookmark manager doesn't fills my purpose. Here's the video Video is explained here: 1) At first, I'm in chrome. I'm reading google books on chrome. 2) I zoom to enlarge in google books, as you can see, it's too sensitive hence reacts in such...
  20. B

    When I click on "star" to bookmark a page in firefox, it doesn't respond, how to fix?

    This video explains the situation. Ask me for more information if required.
Top