Viral - Linux Interview Questions and Answers | Tech Arkit
* Command to check Disk usage ? * Difference between ps -aux & top command ? * What are the ways to check CPU usage ? * How to check CPU details ? * Explain the steps to create a partition & how to format with file system ? * Explain the steps to create LV ? * Explain steps to reduce XFS & EXT files systems ? * Significance of .bashrc file ? * How you check the kernel version ? * How you check the Red hat release version ? * Significance of resolv.conf file ? * What is DNS ? How you resolve DNS ? Types of DNS records ? * Difference between Nginx & HTTP Server ? * Port no of HTTP, FTP, SSH, HTTPS ? * What is SSH ? How you generate SSH-keys ? * What is Private & public key ? How they authenticate ? * What is the default configuration file of SSH ? * What is the default configuration file of HTTP ? * What is Virtual Hosting ? How you configure virtual hosting ? * Explain ifconfig command ? * Difference between IPv4 & IPv6 ? * What is MAC address ? can we change the physical address ? * How to check system uptime ? * How to check memory information ? * What is SWAP ? * What is the exact memory free in your system ? * What is cache memory ? * What if you can do rm -rvf / ? * Kinds of permission in Linux ? * What is vim & vi ? * What is pipe | ? * What is grep command ? * What Find command does ? * How to redirect commands output ? * What is systemd in Linux ? * What does systemctl do ? * If you run a command like nautilus in terminal, whether it will block your terminal or not ? * What is rsyslog ?
