View log files in Ubuntu Linux

View log files in Ubuntu Linux

There are several ways to view log files on an Ubuntu Linux system. Some common options include using the less, tail, or cat commands, or using a graphical log viewer such as gnome-system-log.

Here are some examples of how you can view log files on an Ubuntu Linux system:

  1. Use the less command to view a log file one page at a time. For example, to view the syslog log file, you can use the following command:
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less /var/log/syslog

This will open the syslog log file in the less pager, allowing you to scroll through the file one page at a time. You can use the / key followed by a search term to search for specific text in the log file.

  1. Use the tail command to view the last few lines of a log file. For example, to view the last 10 lines of the syslog log file, you can use the following command:
tail -n 10 /var/log/syslog

This will display the last 10 lines of the syslog log file. You can use the -f option to follow the log file in real-time and see new entries as they are added.

  1. Use the cat command to view the entire contents of a log file. For example, to view the syslog log file, you can use the following command:
cat /var/log/syslog

This will display the entire contents of the syslog log file.

  1. Use a graphical log viewer such as gnome-system-log to view and filter log files. To open the gnome-system-log viewer, you can use the following command:
gnome-system-log

This will open the gnome-system-log viewer, allowing you to browse and filter log files.

Keep in mind that the above examples are just a few ways to view log files on an Ubuntu Linux system. The specific steps and options may vary depending on your system and the log files you are working with.

For more information on viewing log files on Ubuntu Linux, you can refer to the Ubuntu documentation or the man pages for the less, tail, cat, and gnome-system-log utilities.

Created Time:2017-10-30 14:27:31  Author:lautturi