---
title: Install Processor Feature and Errata Inspector on Red Hat Enterprise Linux
  using the Snap Store | Snapcraft
description: Get the latest version of Processor Feature and Errata Inspector for
  on Red Hat Enterprise Linux - CPU instruction set flags, ELF AT_HWCAP vector & errata
  inspector
url: https://snapcraft.io/install/processor-feature-inspector/rhel
---

[Canonical Snapcraft](https://snapcraft.io/)

# Install Processor Feature and Errata Inspector on **Red Hat Enterprise Linux**

# Processor Feature and Errata Inspector (processor-feature-inspector)

[TC Studio (thanhcong1902)](https://snapcraft.io/publisher/thanhcong1902 "View all snaps from TC Studio (thanhcong1902)")

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[Install](https://snapcraft.io/install/processor-feature-inspector/rhel#install)

#### CPU instruction set flags, ELF AT\_HWCAP vector & errata inspector

Processor Feature and Errata Inspector is a desktop hardware capability, ELF auxiliary
vector, simultaneous multithreading (SMT), and kernel CPU errata status viewer for Linux.
An independent Linux alternative inspired by desktop processor feature utilities, it reads
live kernel interfaces to inspect supported instruction set extensions, memory addressing
limits, dynamic loader capability bitmasks, and active microarchitectural errata controls.

Key Features:

* ELF Auxiliary Vector Decoder (/proc/self/auxv): Reads and decodes AT\_HWCAP, AT\_HWCAP2,
  AT\_PAGESZ, AT\_CLKTCK, AT\_PLATFORM, AT\_MINSIGSTKSZ, AT\_SYSINFO\_EHDR, and program header
  entries passed directly from the Linux kernel to user-space processes.
* CPU Instruction Set & Microarchitecture Catalog (/proc/cpuinfo): Categorizes active
  SIMD vector extensions (SSE, AVX, AVX2, FMA), cryptographic instructions (AES-NI, SHA,
  VAES, RDRAND), paging and cache features, physical/virtual address widths, microcode
  revision, cache alignment, and per-thread clock frequencies.
* SMT & Kernel CPU Errata Telemetry (/sys/devices/system/cpu): Displays real-time SMT
  state and kernel-reported CPU hardware errata mitigation mechanisms alongside processor
  category distribution charts.
* Structured Reports: Exports complete processor capability, auxiliary vector, and errata
  tables to CSV and JSON files.

Disclaimer: This project is an independent open-source tool and is not affiliated with, sponsored by, or endorsed by Microsoft Corporation.

### Package name

* processor-feature-inspector

---

### License

* MIT

---

### Last updated

* Today - latest/stable

---

##### Report a Snap Store violation

* [Report this Snap](https://snapcraft.io/install/processor-feature-inspector/rhel#report-snap-modal)

---

[See more information about processor-feature-inspector ›](https://snapcraft.io/processor-feature-inspector)

## Enable snaps on Red Hat Enterprise Linux and install Processor Feature and Errata Inspector

Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.

Snaps are discoverable and installable from the [Snap Store](https://snapcraft.io/store), an app store with an audience of millions.

### Enable snapd

Snap is available for [Red Hat Enterprise Linux (RHEL) 8](https://www.redhat.com/en/enterprise-linux-8) and RHEL 7, from the 7.6 release onward.

The packages for RHEL 7, RHEL 8, and RHEL 9 are in each distribution’s respective [Extra Packages for Enterprise Linux](https://fedoraproject.org/wiki/EPEL) (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 7, RHEL 8 and RHEL 9, which is why they’re listed separately below.

The EPEL repository can be added to **RHEL 9** with the following command:

```
sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
sudo dnf upgrade
```

The EPEL repository can be added to **RHEL 8** with the following command:

```
sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo dnf upgrade
```

The EPEL repository can be added to **RHEL 7** with the following command:

```
sudo rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
```

Adding the *optional* and *extras* repositories is also recommended:

```
sudo subscription-manager repos --enable "rhel-*-optional-rpms" --enable "rhel-*-extras-rpms"
sudo yum update
```

Snap can now be installed as follows:

```
sudo yum install snapd
```

Once installed, the *systemd* unit that manages the main snap communication socket needs to be enabled:

```
sudo systemctl enable --now snapd.socket
```

To enable *classic* snap support, enter the following to create a symbolic link between `/var/lib/snapd/snap` and `/snap`:

```
sudo ln -s /var/lib/snapd/snap /snap
```

Either log out and back in again or restart your system to ensure snap’s paths are updated correctly.

### Install Processor Feature and Errata Inspector

To install Processor Feature and Errata Inspector, simply use the following command:

```
sudo snap install processor-feature-inspector
```

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