getpidprevcon - Linux

Overview

getpidprevcon is a Linux command that retrieves the previous context of a process. This context includes information such as the process’s security attributes, capabilities, and file descriptors.

Syntax

getpidprevcon [PID]

• PID (Optional): The PID of the process whose previous context is to be retrieved. If no PID is specified, the current process’s PID is used.

Options/Flags

getpidprevcon has no options or flags.

Examples

Example 1: Retrieve the previous context of the current process:

getpidprevcon

Example 2: Retrieve the previous context of a specific process:

getpidprevcon 1234

Common Issues

• Permission denied: The user running the command does not have sufficient privileges to retrieve the context of the specified process.

Integration

getpidprevcon can be integrated with other commands to perform advanced tasks, such as:

# Retrieve the previous context of a process and display it in a readable format
getpidprevcon | jq

Related Commands

• getcon: Retrieve the current context of a process
• setcon: Set the context of a process
• lscon: List the contexts of all processes on the system