Linux 100 + Realtime Scenario Based Interview Questions and Answers Explained in Detail | Part - 1
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- เผยแพร่เมื่อ 28 มิ.ย. 2024
- #engrabhishekroshan
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In this video I have explained below Linux Realtime Scenario Based Interview Questions and Answers In Detail.
0:00 Introduction
2:37 How to set a username and password to never expires.
3:37 Why /etc/passwd and /ete/shadow file cannot be merged into 1 file.
6:25 To list, all the files opened by particular PID.
7:11 We are unable to unmount the file system. What are the reason behind it ?.
9:15 What could be the reason it server take more time after reboot?.
10:58 we are trying to create the file under any partition but we are getting permission denied alert. What could be the reason? However space issue and no permission issue?
15:04 How to check kernel routing table Information?
16:27 How to set sticky bit and what is the difference b/w smalls and capital S
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AWS 300 + Realtime Scenario based Interview questions and answers explained in detail
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Watch English Playlist of Linux 100 + Realtime Scenario Based Interview Questions and Answers Explained in Detail
Part 1 • Linux 100 + Realtime S... ( In this video I covered 8 Q&A)
Part 2 • Linux 100 + Realtime S... ( In this video I covered 10 Q&A)
Part 3 • Linux 100 + Realtime S... ( In this video I covered 10 Q&A)
Part 4 • Linux 100 + Realtime S... ( In this video I covered 12 Q&A)
Part 5 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 6 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 7 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 8 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 9 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 10 • Linux 100 + Realtime S... (In this video I covered 12 Q&A)
Part 11 • Linux 100 + Realtime S... (In this video I covered 10 Q&A)
Part 12 • Linux 100 + Realtime S... (In this video I have covered 10 Q&A)
Part 13 • Linux 100 + Realtime S... (In This Video I have covered 1 Scenario based Interview Q&A )
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Your video is by far, hands down, the best video for interview questions that could possibly occur. These are real world situations. People can actually learn to troubleshoot quite a bit from your series. Great work Abhishek.
Thank you and welcome …keep watching and keep sharing 😊
Hi Abhishek, thank you very much. I got offer. Your videos helped me so much to get placed. I have practice well in Linux and aws. Especially real time scenario in aws & linux videos help me very much. Thanks you.
Glad to hear that … many more congratulations Prabhu 🙏
Fantastic looking forward to all the rest.
More to come!
Great video! I appreciated how you explained the concept of neural networks in a clear and concise manner. The visual aids really helped me grasp the key points. Please you share more examples of real-world applications for this technology
Thank you
super all class
Thanks…keep watching and keep sharing with others
excellent video series ! love & respect from PK.
Thank you and welcome
It's useful. Thanks for posting....
Thanks and welcome...keep Watching ...Don't forgot to LIKE , SHARE and tell other to SUBSCRIBE the channel. 😊 God Bless you.
IT'S A VERY USEFUL
Glad it was helpful!...Keep Sharing and keep watching.
Its very very helpful sir 🙂.
Thank you 🙏
Abhishek let me thank you . 🎉🎉🎉 This helped me.a lot.
My pleasure 😊...Welcome.
Nice one
Thanks 🔥
best video🤑
Thank You ...keep Watching and Keep Sharing
amazing sir , please brign aws cloud important question
Already uploaded
damn I've been using linux for a long time but I've never used any of these..
thanks for teaching me
Thanks and welcome...keep Watching ...Don't forgot to LIKE , SHARE and tell other to SUBSCRIBE the channel. 😊 God Bless you.
Hi sir , your videos are awesome ❤, please let me know when you will start AWS. Thanks
Thank you and Aws realtime 300+ interview questions and answers playlist is already available click the 👇 link to access playlist and AWS course will be publishing soon …..
AWS (Amazon Web Services) 300+ Realtime Scenario based interview Question and Answers
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Hi Abhishek How are you? Thank you for efforts to putting linux interview series .Really appreciate it. I like to personally connect with you for better guidance.How can I connect with u?
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sir mujhe devops mein aapna career start karna kahan se start kare .please guide
Hi Saurabh
Aap mera membership program join kar sakte ho jaha mai every alternate weekdays(Mon,W ed & Fri) dedicated time apne members ke doubts clear karta hu timing I will update before one day on community post. Use the below link to join my membership channel.
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Hi sir ,
How to install latest version of package with out deleting old version in linux.please help me.
If we have both old and new version, will it case any issue.
The process to install multiple versions of a package depends on the package manager you're using. Here are some common package managers and their respective ways to handle multiple versions:
1. APT (Advanced Package Tool) used in Debian-based distributions like Ubuntu:
To install a specific version of a package alongside the existing version, you can use the apt-get install command with the = option. For example:
sudo apt-get install package_name=version_number
Both versions of the package will coexist without any issues.
2.YUM (Yellowdog Updater, Modified) used in Red Hat-based distributions like CentOS:
With YUM, you can use the yum install command with the --oldinstall option to install an older version of a package alongside the existing one.
3.DNF (Dandified YUM) is the newer package manager used in RHEL and newer versions of CentOS:
Similar to YUM, you can use the dnf install command with the --oldinstall option.
-------------------------
Regardless of the package manager, installing multiple versions of a package should not cause conflicts, as long as the versions are properly managed and isolated. However, you should be cautious when it comes to managing dependencies. Sometimes, different versions of a package may have different dependencies, and you might need to ensure that each version's dependencies are satisfied without interfering with each other.
i could have been useful if you have shown everything practically.
You can check out my other videos of this series have explained everything in practically or you can Join my online membership program to connect with me directly. Use the below link to join.
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@@EngrAbhishekRoshan How to join your classes and what you cover in your classes?
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Sir I'm fresher.. I want to job in application support ya production support..sir plz help me..
sure....connect with me
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How to resolve the issue file system is corrupted??
Please note that these steps might vary depending on the severity of the corruption and the specific Linux distribution you are using.
1.Run a disk health check to ensure there are no physical issues with the storage device. You can use tools like smartctl to check the S.M.A.R.T. status of the disk.
sudo smartctl -a /dev/sdX
2. Boot into Recovery Mode:
Boot the system into recovery mode or use a live CD/USB to access the filesystem without mounting it.
3. Unmount the File System:
Ensure that the file system is unmounted before attempting any repairs.
umount /dev/sdXY
4. Check File System Integrity:
Run a file system check (fsck) to check and repair the integrity of the file system. Replace /dev/sdXY with the appropriate partition.
sudo fsck /dev/sdXY
5. Repair with fsck Options:
Depending on the severity of the corruption, you might need to use specific options with fsck. For example, to automatically repair without prompting, you can use the -y option:
sudo fsck -y /dev/sdXY
6. Check and Repair Btrfs File System:
If you are using the Btrfs file system, you can use the btrfs check and btrfs restore commands to check and repair the file system.
7. Check and Repair XFS File System:
For XFS file systems, use the xfs_repair tool.
sudo xfs_repair /dev/sdXY
8. Check for Bad Blocks:
Use the badblocks command to check for bad blocks on the disk.
sudo badblocks -v /dev/sdX
If bad blocks are found, it may be necessary to replace the disk.
9. Reboot:
After repairing the file system, reboot the system.
sudo reboot
10. Monitor Logs:
Monitor system logs (/var/log/syslog, /var/log/messages, etc.) for any additional error messages or warnings related to the file system.
Note: Always ensure you have a backup before attempting any file system repairs, as there is a risk of data loss.
Df -h command is hanging but not df command.. reason
See the below output and you have your answer.
[root@engrabhishekroshan /]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 867M 0 867M 0% /dev/shm
tmpfs 347M 8.7M 338M 3% /run
/dev/mapper/rhel-root 17G 5.5G 12G 33% /
/dev/sda1 1014M 371M 644M 37% /boot
tmpfs 174M 96K 174M 1% /run/user/0
/dev/sr0 91M 91M 0 100% /run/media/root/CDROM
/dev/sr1 8.0G 8.0G 0 100% /run/media/root/RHEL-9-0-0-BaseOS-x86_64
[root@engrabhishekroshan /]# df
Filesystem 1K-blocks Used Available Use% Mounted on
devtmpfs 4096 0 4096 0% /dev
tmpfs 886868 0 886868 0% /dev/shm
tmpfs 354748 8816 345932 3% /run
/dev/mapper/rhel-root 17811456 5723012 12088444 33% /
/dev/sda1 1038336 379188 659148 37% /boot
tmpfs 177372 96 177276 1% /run/user/0
/dev/sr0 93012 93012 0 100% /run/media/root/CDROM
/dev/sr1 8285830 8285830 0 100% /run/media/root/RHEL-9-0-0-BaseOS-x86_64
[root@engrabhishekroshan /]#
I want job in Linux profile plz me
send me your resume to abhishek88roshan@gmail.com
And Join my Membership.th-cam.com/channels/n2ZGN0TEGhgoDDiT8S3m4w.htmljoin where I do complete mentorship of my members. I connect with them every ( Monday, Wednesday and Friday)
Where are other videos??
Hi Akshay all the videos are in channel only😊
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Good Morning Sir,
Thanks for sharing the links, Sir, Can I have your contact number I need some counseling and guidance.
I’m from the virtualization field (VMware and Wintel).
Thanks
Thank you.....Click on the below link to connect with me on Every (Monday, Wednesday & Friday)
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can u share me the pdf sir
Hi Anand,
Yes , Good News You Access these content in my Blogging Website. Click The Below link to Access My Blog.
freshertube.com/
@@EngrAbhishekRoshan thank you for replying sir, kindly post all q&a video sir
@@Anand-bg9hq thank you.Yeah sure I will upload all the videos everyday and every video will have 10 questions and answers so that everyone can understand 😊🙏
@@EngrAbhishekRoshan in some places voices are breaking sir
@@Anand-bg9hq sure Anand.Next video will upload with more clarity.
Hi SIr, where can we get a Sample resume for a Linux admin 6+Yrs exp. please share
Noted....I am going to publish a video soon for Linux Resume Preparation for 5+ Years Experience with Roles and Responsibilities