In this article, we will explore how to search for files and directories in Ubuntu Server. This is a critical skill for system administrators and developers working with Ubuntu Server. We will cover the use of
find commands, the use of wildcards, and the method to search for installed packages.
To search for files and directories in Ubuntu Server, you can use the
find commands. The
locate command uses a database to quickly search for files, while the
find command searches the filesystem directly. Both commands can be used with wildcards to match patterns of filenames. Additionally, you can use the
dpkg -L <package-name> command to find files associated with a specific package.
locate command is a quick and efficient method to search for files and directories in Ubuntu Server. It uses a database that is updated periodically to provide search results. The basic syntax of the
locate command is:
For instance, if you are searching for files or directories related to PostgreSQL, you would use:
locate relies on a database that is updated periodically, it might not show the most recent changes to the filesystem. To manually update the database, use the
find command does not rely on a database. Instead, it searches the current content of the filesystem directly. This makes it more accurate but also slower. The basic syntax of the
find command is:
find <path> -name "<filename>"
For example, to search for files or directories named “postgresql” starting from the root directory, you would use:
find / -name "postgresql"
Wildcards can be used with the
find command to match patterns of filenames. For example, to list files and directories that start with “postgresql”, you would use:
find / -name "postgresql*"
In this command, the asterisk (*) is a wildcard that matches any sequence of characters.
Searching for Installed Packages
If you want to find files that belong to a specific package, you can use the
dpkg -L <package-name> command. For example, to see the files associated with the PostgreSQL package, you would use:
dpkg -L postgresql-contrib-8.4
In this command,
-L lists files associated with a package.
Searching for files and directories in Ubuntu Server is a fundamental skill for any system administrator or developer. The
find commands, along with the use of wildcards and the
dpkg -L command, provide powerful tools for this task. Remember to update the
locate database regularly to ensure accurate results.
For more information on these commands, you can always refer to their man pages by typing
man find, or
man dpkg in the terminal.
locate database is updated periodically. However, you can manually update it by using the
Yes, you can use wildcards with the
find command. The asterisk (*) is a wildcard that matches any sequence of characters. For example,
find / -name "postgresql*" will list files and directories that start with "postgresql".
To find files that belong to a specific package, you can use the
dpkg -L <package-name> command. For example,
dpkg -L postgresql-contrib-8.4 will show the files associated with the PostgreSQL package.
To view the man pages for the
dpkg commands, you can type
man find, or
man dpkg in the terminal. The man pages provide detailed information and usage examples for these commands.