Voitekk Softsol Linux Support Engineer Interview Questions and Answers

Types of memory dumps in Windows include Complete Memory Dump, Kernel Memory Dump, Small Memory Dump, and Automatic Memory Dump.

• Complete Memory Dump - contains all the contents of physical memory at the time of the crash

• Kernel Memory Dump - includes only kernel memory, useful for troubleshooting kernel mode crashes

• Small Memory Dump - contains minimal information about the crash, takes up less space

• Automatic Memory Dump...read more

Updating patches in ESXi server involves downloading the patches from VMware website and applying them using the command line interface.

• Download the necessary patches from the VMware website

• Upload the patches to the ESXi server using SCP or other methods

• Put the ESXi server into maintenance mode before applying the patches

• Apply the patches using the command line interface

• Reboot the ESXi server to complete the patching p

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...read more

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 ...read more

Networking is the practice of connecting devices to share resources. DNS cluster in Linux is a group of DNS servers that work together.

• Networking involves connecting devices to share resources such as files, printers, and internet access.

• DNS cluster in Linux is a group of DNS servers that work together to provide high availability and load balancing for DNS queries.

• DNS cluster can be configured using tools like BIND an...read more

Backups are copies of data that can be used to restore the original data in case of data loss or corruption. Ports are communication endpoints used for network connections.

• Backups are essential for data recovery in case of disasters or system failures

• Ports are identified by numbers and are used to establish connections between devices

• Common ports include HTTP (80), HTTPS (443), SSH (22), FTP (21), etc.

Linux is an open-source operating system based on Unix, known for its stability, security, and flexibility.

• Linux is open-source, meaning its source code is freely available for anyone to use, modify, and distribute.

• Linux is based on Unix, which is a powerful and stable operating system used in servers and mainframes.

• Linux is known for its security features, such as user permissions and access control.

• Linux is highly cu...read more