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:

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

Then install:

DNF (Fedora / RHEL 8+)Microdnf (Rocky / Alma minimal)YUM (CentOS 7 / older)Zypper (openSUSE)

sudo dnf install trident

sudo microdnf install trident

sudo yum install trident

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¶

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

2. Add the repository¶

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

[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¶

DNFMicrodnf (minimal images)YUM

sudo dnf install trident

sudo microdnf install trident

sudo yum makecache
sudo yum install trident

openSUSE / SLES¶

1. Import the GPG signing key¶

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

2. Add the repository¶

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

3. Install¶

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¶

trident --version
trident-cli --version

Check that the systemd service file is in place:

systemctl cat trident

Next Steps¶

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