Linux Interview questions that are commonly asked in interviews
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Log Rotation in Linux
Managing log files is a critical task in maintaining server health and preventing disk space issues. Enabling log rotation helps manage the size of log files, but it needs to…
Troubleshooting a database server in Linux
Troubleshooting a database server in Linux involves a systematic approach to identify and resolve issues related to configuration, performance, connectivity, security, and more. Below are steps and commands to help…
Common errors encounter in web server in Linux
When troubleshooting a web server in Linux, a variety of errors can arise. These errors can be related to configuration issues, resource limitations, network problems, security settings, or application-specific bugs.…
Common errors encounter for applications in Linux
When troubleshooting applications in Linux, a wide range of errors can occur due to various reasons such as configuration issues, resource limitations, dependency problems, and more. Below is a list…
Types of errors encounter in virtual machine (VM) in Linux
When managing a virtual machine (VM) in Linux, you may encounter various types of errors that necessitate checking the logs in the /var/log directory, particularly the syslog file and other…
Troubleshooting a web server in Linux
Troubleshooting a web server in Linux involves checking various components, including the server status, configuration files, logs, network settings, and more. Here’s a step-by-step guide to help you troubleshoot common…
Troubleshooting an application in Linux
Troubleshooting an application in Linux involves a systematic approach to diagnose and resolve issues. Here are some steps and commands to help you troubleshoot applications effectively: 1. Check Application Status…
To check system performance metrics in Linux
To check system performance metrics such as CPU, RAM, disk, I/O, and network in Linux, you can use a combination of built-in tools and utilities. Here are some of the…
To check the logs of a virtual machine in Linux
To check the logs of a virtual machine in Linux, particularly focusing on the /var/log directory and using the grep command to filter the syslog files, follow these steps: 1.…
Top 100 Complex Linux Troubleshooting Commands (Combined with Other Commands)
Command Combination Description Example dd if=/dev/urandom of=/tmp/randomfile bs=1M count=10 Create a 10MB file with random data. dd if=/dev/urandom of=/tmp/randomfile bs=1M count=10 find / -name “*.log” -mtime +30 Find log files…
Top Linux Troubleshooting Commands with Examples
Command Description Example top Display tasks and system information. top htop Interactive process viewer. htop ps Display current processes. ps aux kill Terminate a process by PID. kill -9 1234…