It allows you to filter and extract lines from text based on matching patterns. The grep command is a powerful command used to search for patterns or specific text in files. grep Command – Search for Patterns or Specific Text in Files $ getent passwd tecmintįetch User Info in Linux 5. To get a user’s account details, use the passwd database and the username as follows.
It can be used to retrieve information about users, groups, hosts, networks, protocols, and other system entities that are stored in database files like /etc/passwd, /etc/group, /etc/hosts, etc. The getent command is used to retrieve information from various databases, including the system user and group databases. getent Command – Fetch User Info from System Database $ finger tecmintĬheck User Info in Linux 4. It shows a user’s real name home directory shell login: name, time and so much more as shown below.
USE GREP COMMAND IN LINUX TO FIND FAILED LOGIN ATTEMPTS INSTALL
The finger command doesn’t come pre-installed on many Linux distributions, you need to install it using your default package manager as shown. The finger command is used to search for information about a user on Linux, which includes detailed information about a specific user or a list of users, including their login name, real name, terminal, idle time, login time, and other relevant details. $ groups tecmintĬheck User Groups in Linux 3. It lists all the groups that a user belongs to, including both primary and supplementary groups. The groups command is used to display the group memberships for a user.
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