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You can schedule a job regularly using cron jobs in Linux.
Use the crontab command to edit the cron table
Specify the schedule using the appropriate syntax (minute, hour, day of month, month, day of week)
For example, to schedule a job to run every day at 3am, you would add the following line to the cron table: 0 3 * * * /path/to/command
Boot process is the sequence of steps that occur when a computer system is starting up.
BIOS/UEFI initialization
Loading the bootloader
Loading the kernel
Init process starts
Launching user space processes
Hard links and soft links are two types of links used in Unix-like operating systems to create shortcuts to files.
Hard links are direct pointers to the inode of a file, while soft links are indirect pointers to the file name.
Hard links cannot link directories or files on different filesystems, while soft links can.
If the original file is deleted, hard links will still point to the data, while soft links will be br...
The /mnt directory is used as a mount point for temporary mounting of filesystems, and fstab is a configuration file that lists filesystems to be mounted at boot.
The /mnt directory is commonly used for temporarily mounting external storage devices or network shares.
The fstab file is located at /etc/fstab and contains information about filesystems to be mounted at boot time.
Entries in fstab include the device to mo...
Steps for file system creation involve partitioning, formatting, and mounting the file system.
Partition the disk using tools like fdisk or parted
Format the partition with a file system like ext4 or xfs
Create a mount point directory
Mount the file system to the mount point
Update /etc/fstab to automatically mount the file system on boot
tcpdump is used for network troubleshooting and analysis by capturing and analyzing network packets.
Captures network packets for analysis
Helps in troubleshooting network issues
Can be used to monitor network traffic
Provides detailed information about network communication
Useful for security analysis and monitoring
NFS stands for Network File System, a distributed file system protocol that allows a user on a client computer to access files over a network.
NFS allows a user to access files on a remote server as if they were local files.
It is commonly used in Unix and Linux environments for sharing files and directories.
NFS uses RPC (Remote Procedure Call) to communicate between the client and server.
It provides centralized sto...
Check for any processes or open files using the file system, then force unmount if necessary.
Check for any processes or applications currently using the file system with 'lsof' command
Kill any processes that are using the file system if necessary
Try unmounting the file system again using 'umount -l' to force unmount if needed
I applied via Recruitment Consulltant and was interviewed in Feb 2024. There were 3 interview rounds.
Steps for file system creation involve partitioning, formatting, and mounting the file system.
Partition the disk using tools like fdisk or parted
Format the partition with a file system like ext4 or xfs
Create a mount point directory
Mount the file system to the mount point
Update /etc/fstab to automatically mount the file system on boot
tcpdump is used for network troubleshooting and analysis by capturing and analyzing network packets.
Captures network packets for analysis
Helps in troubleshooting network issues
Can be used to monitor network traffic
Provides detailed information about network communication
Useful for security analysis and monitoring
Files can be transferred from one server to another using tools like SCP, SFTP, or rsync.
Use SCP (Secure Copy Protocol) to securely transfer files between servers. Example: scp file.txt user@server2:/path/to/directory
Use SFTP (SSH File Transfer Protocol) for interactive file transfers. Example: sftp user@server2
Use rsync for efficient synchronization of files between servers. Example: rsync -avz file.txt user@server2:/...
You can schedule a job regularly using cron jobs in Linux.
Use the crontab command to edit the cron table
Specify the schedule using the appropriate syntax (minute, hour, day of month, month, day of week)
For example, to schedule a job to run every day at 3am, you would add the following line to the cron table: 0 3 * * * /path/to/command
Hard links and soft links are two types of links used in Unix-like operating systems to create shortcuts to files.
Hard links are direct pointers to the inode of a file, while soft links are indirect pointers to the file name.
Hard links cannot link directories or files on different filesystems, while soft links can.
If the original file is deleted, hard links will still point to the data, while soft links will be broken.
...
The /mnt directory is used as a mount point for temporary mounting of filesystems, and fstab is a configuration file that lists filesystems to be mounted at boot.
The /mnt directory is commonly used for temporarily mounting external storage devices or network shares.
The fstab file is located at /etc/fstab and contains information about filesystems to be mounted at boot time.
Entries in fstab include the device to mount, ...
Check for any processes or open files using the file system, then force unmount if necessary.
Check for any processes or applications currently using the file system with 'lsof' command
Kill any processes that are using the file system if necessary
Try unmounting the file system again using 'umount -l' to force unmount if needed
NFS stands for Network File System, a distributed file system protocol that allows a user on a client computer to access files over a network.
NFS allows a user to access files on a remote server as if they were local files.
It is commonly used in Unix and Linux environments for sharing files and directories.
NFS uses RPC (Remote Procedure Call) to communicate between the client and server.
It provides centralized storage ...
Boot process is the sequence of steps that occur when a computer system is starting up.
BIOS/UEFI initialization
Loading the bootloader
Loading the kernel
Init process starts
Launching user space processes
Check disk visibility and partitioning to ensure proper filesystem expansion in Linux after assigning a disk from VMware.
Verify if the disk is recognized by the OS using 'lsblk' or 'fdisk -l'.
Check if the disk is partitioned using 'parted' or 'fdisk'. If not, create a partition.
Use 'pvcreate' to initialize the disk for LVM if you're using logical volumes.
If the disk is already partitioned, ensure the filesystem is resi...
I appeared for an interview in Nov 2021.
I applied via Campus Placement and was interviewed before Mar 2021. There was 1 interview round.
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I applied via Referral and was interviewed before Feb 2022. There were 4 interview rounds.
Discussion about Basic Information
I applied via Naukri.com and was interviewed before Nov 2023. There were 4 interview rounds.
I applied via Company Website and was interviewed in Jan 2022. There were 3 interview rounds.
Testing is the process of evaluating a system or component to determine if it satisfies specified requirements.
Testing is done to identify defects or errors in software or hardware.
It involves executing a system or component with the intent of finding bugs or verifying its functionality.
Testing can be performed at various levels such as unit testing, integration testing, system testing, and acceptance testing.
Different...
Testing is done to ensure that the software meets the requirements and is of high quality.
To identify defects and errors in the software
To ensure that the software meets the specified requirements
To improve the quality of the software
To increase customer satisfaction
To reduce the risk of software failure
To ensure that the software is reliable and secure
I expect a competitive salary that reflects my experience, skills, and the industry standards for a Senior Engineer role.
Based on my research, the average salary for a Senior Engineer in this industry ranges from $100,000 to $130,000.
I have over 8 years of experience, which positions me towards the higher end of that range.
Additionally, I bring specialized skills in areas like cloud computing and machine learning, whic...
I applied via Referral and was interviewed in Nov 2020. There were 4 interview rounds.
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