unix - What are the best ways to search in logs? - Stack Overflow
May 5, 2015 · use grep with -B option ( -B, --before-context=NUM print NUM lines of leading context) to tell how many lines to print before the line of search: For finding the error in all the …
shell - How to catch an error in a linux bash script? - Unix & Linux ...
Oct 23, 2013 · See a detailed answer here: Raise error in a Bash script. Use set -e to set exit-on-error mode: if a simple command returns a nonzero status (indicating failure), the shell exits. …
Linux Log Files Location & How To View Logs Files on Linux - nixCraft
May 8, 2024 · Almost all logfiles are located under /var/log/ directory and its sub-directories on Linux. You can change to this directory using the cd command. Of course, you need to be the …
How to Check Logs in Unix Systems - wikiHow
Mar 10, 2025 · This wikiHow teaches you where to find the most essential logs on popular Unix operating systems. The default logging location on all versions of Linux, as well as FreeBSD, …
How to Debug Bash Script with “ShellCheck” Command?
Feb 11, 2024 · ShellCheck is a great static analysis tool that can help you find syntax errors, common mistakes, and areas where scripts could be improved. It provides clear, actionable …
Understanding and Ignoring Errors in Bash - GeeksforGeeks
Feb 5, 2023 · To check the error message of a command, you can redirect the standard error output (stderr) to a file or to the standard output (stdout) using the 2> operator. For example, …
Try-Catch in Bash: Bash Script Error Handling - LinuxConfig
Oct 2, 2024 · Below, we explore five methods, each with increasing complexity, to catch and handle errors in a Bash script. Basic Error Checking with Exit Status: The simplest way to …
How to Trap Errors in Bash Scripts on Linux - How-To Geek
By default, a Bash script on Linux will report an error but keep running. We show you how to handle errors yourself so that you can decide what needs to happen next. Handling errors is …
How to Check Logs in Unix - HogoNext
Feb 16, 2025 · You can use tail -f /var/log/apache2/error.log to monitor the error log in real-time as you attempt to reproduce the error. grep "error" /var/log/apache2/error.log | less allows you to …
Error Handling in Shell Scripting | by Subbareddysangham
Jan 31, 2025 · Error handling is crucial in shell scripting to ensure smooth execution and better debugging. Below are various ways to handle errors effectively: 1. Exit Status ($?): => Every …
- Some results have been removed