What is your daily task ? What is inode no. ? What is symlink and hardlink ? What is the use of SSH and its configuration file ? How to reset root password ? how to troubleshoot if Apache web server is working slow ? how to install a software ? how to configure in LINUX vm ? how to check which port is listening ? how to change port no. ? Which monitoring tool you use ?

Question

Accepted Answer

Answering questions related to daily tasks, inode, symlink, hardlink, SSH, root password reset, Apache troubleshooting, software installation, Linux VM configuration, port checking and changing, and monitoring tools.

Daily tasks may include troubleshooting technical issues, providing support to customers, and maintaining systems.
Inode is a data structure in a Unix-like file system that stores metadata about a file.
Symlink is a shortcut to a file or directory, while hardlink is a direct reference to a file.
SSH (Secure Shell) is a network protocol used for secure remote access to systems.
SSH configuration file (usually located at /etc/ssh/sshd_config) contains settings for SSH server.
To reset root password, boot into single-user mode, mount the root filesystem, and use 'passwd' command.
To troubleshoot slow Apache web server, check server logs, analyze resource usage, and optimize configurations.
To install software, use package managers like 'apt' or 'yum', or compile from source code.
To configure in Linux VM, modify network settings, set up user accounts, and install necessary software.
To check which port is listening, use 'netstat' or 'lsof' command.
To change port number, modify the configuration file of the service using the desired port.
Monitoring tools like Nagios, Zabbix, or Prometheus can be used for system monitoring.

Popular interview questions of Senior Support Engineer