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I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
To troubleshoot network issues, start by checking physical connections, verifying network settings, testing connectivity, and analyzing network traffic.
Check physical connections (cables, ports, etc.)
Verify network settings (IP address, subnet mask, gateway, DNS)
Test connectivity using tools like ping, traceroute, and netcat
Analyze network traffic with tools like Wireshark or tcpdump
LDAP can be used to manage user accounts by storing user information in a centralized directory.
Set up LDAP server and configure it to store user account information
Use LDAP client tools to manage user accounts such as creating, modifying, or deleting accounts
Authenticate users against LDAP server for access control
Implement LDAP schema to define attributes and object classes for user accounts
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
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I applied via Indeed and was interviewed in Dec 2024. There was 1 interview round.
File system integrity can be checked using fsck command in Linux.
Use fsck command to check and repair file system errors
Run fsck on unmounted file systems for accurate results
Use options like -y to automatically repair errors without user intervention
I applied via Referral and was interviewed before Sep 2022. There were 2 interview rounds.
To check Kernel and OS Version, change file permissions, view default permissions of files, locate user id and password file, find network configuration file, and filter keywords.
To check Kernel and OS Version: Use 'uname -a' command
To change file permissions: Use 'chmod' command followed by permission code and file name
Default permissions of few files: For example, /etc/passwd has 644 permissions
User id and password s...
LVM is Logical Volume Manager used for managing disk space, RAID is Redundant Array of Independent Disks for data protection, RHEL boot process involves BIOS, GRUB, kernel loading, and init process.
LVM allows for dynamic resizing of logical volumes without downtime.
RAID combines multiple disks for data redundancy or performance improvement.
RHEL boot process involves BIOS POST, GRUB bootloader, kernel loading, and init ...
Use 'lsblk' command to scan for new hard drives attached to the system.
Open terminal and type 'lsblk' command
Check for any new devices listed in the output
Alternatively, use 'fdisk -l' command to list all disks and partitions
To roll back updates, identify the update and use the appropriate command to remove it.
Identify the update that needs to be rolled back
Use the appropriate command to remove the update
Verify that the rollback was successful
I applied via Recruitment Consultant and was interviewed in Sep 2021. There was 1 interview round.
posted on 19 Feb 2021
I applied via Naukri.com and was interviewed in Aug 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed in Nov 2019. There were 5 interview rounds.
Patching is the process of updating software to fix vulnerabilities and improve performance.
Patching involves identifying and applying updates to software systems.
It is important to regularly check for patches and updates from vendors.
Patching can be done manually or through automated tools.
Before applying patches, it is crucial to test them in a controlled environment.
Patching should be performed in a planned and syst...
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