CentOS

Install Trident on Fedora, RHEL, CentOS Stream, Rocky Linux, AlmaLinux, openSUSE, Oracle Linux, and Amazon Linux using DNF, YUM, or Zypper.

Tested Distributions

This installation method is tested end-to-end on Fedora 41, Rocky Linux 9, CentOS Stream 9, AlmaLinux 9, and openSUSE Leap 15.6 using automated integration tests that verify binaries, configuration, systemd service, caching behavior, and graceful shutdown.

Automatic Setup

The repository setup script handles everything:

Bash

curl -sSL https://pkg.trident-cache.com/setup | sudo sh

Then install:

DNF (Fedora / RHEL 8+)

Bash

sudo dnf install trident

Microdnf (Rocky / Alma minimal)

Bash

sudo microdnf install trident

YUM (CentOS 7 / older)

Bash

sudo yum install trident

Zypper (openSUSE)

Bash

sudo zypper install trident

Manual Setup

DNF / YUM Distributions

Fedora, RHEL, CentOS Stream, Rocky Linux, AlmaLinux, Oracle Linux, and Amazon Linux.

1. Import the GPG signing key

Bash

sudo rpm --import https://pkg.trident-cache.com/gpg.key

2. Add the repository

Create /etc/yum.repos.d/trident.repo:

INI

[trident]
name=Trident Cache Proxy
baseurl=https://pkg.trident-cache.com/rpm/$basearch
enabled=1
gpgcheck=1
gpgkey=https://pkg.trident-cache.com/gpg.key

3. Install

DNF

Bash

sudo dnf install trident

Microdnf (minimal images)

Bash

sudo microdnf install trident

YUM

Bash

sudo yum makecache
sudo yum install trident

openSUSE / SLES

1. Import the GPG signing key

Bash

sudo rpm --import https://pkg.trident-cache.com/gpg.key

2. Add the repository

Bash

sudo zypper addrepo --gpgcheck --refresh \
  https://pkg.trident-cache.com/rpm/x86_64 trident

3. Install

Bash

sudo zypper install trident

What Gets Installed

The package installs and configures the following:

Component	Path
Main binary	`/usr/bin/trident`
CLI tool	`/usr/bin/trident-cli`
Default config	`/etc/trident/config.toml`
Systemd service	`/usr/lib/systemd/system/trident.service`
Cache directory	`/var/lib/trident/` (owned by `trident:trident`)
Log directory	`/var/log/trident/` (owned by `trident:trident`)

A trident system user and group are created automatically by the package's preinstall script.

Verify Installation

Bash

trident --version
trident-cli --version

Check that the systemd service file is in place:

Bash

systemctl cat trident

Next Steps

Configuration -- edit /etc/trident/config.toml
Service Management -- start and enable the systemd service