Disaster Recovery Linux Manager
Disaster Recovery Linux Manager (DRLM) is an on-premises management tool for GNU/Linux disaster recovery built around Relax-and-Recover (ReaR).
What Disaster Recovery Linux Manager is
Disaster Recovery Linux Manager (DRLM) is an on-premises management tool for GNU/Linux disaster recovery built around Relax-and-Recover (ReaR). It manages ReaR installations, schedules them, starts backups remotely, and supports network boot and recovery. Documented backup and output methods include ReaR PXE and NETFS (NFS), along with incremental backups, encrypted backup files, and TLS-secured rsync backups. DRLM can automatically install clients from the server when those clients are reachable over SSH. Its API uses HTTPS on port 443. Server operating systems listed in the installation guide include Debian, Ubuntu, CentOS, Rocky Linux, RHEL, openSUSE Leap, and SLES versions. Error reporting integrations include HP OpenView, Nagios, Zabbix, and email. The latest production release is available as tgz and zip source archives. DRLM is free, GPLv3-licensed software for physical and virtual GNU/Linux systems. The guide recommends dedicating a minimal Linux installation to the server.
Good
- Centralized ReaR management
- Remote backup scheduling
- Network boot and recovery
- Encrypted and incremental backups
- Multiple Linux server distributions supported
Watch out
- Requires a dedicated minimal Linux server
- Automatic client installation requires SSH reachability
- Professional support is paid
Who it suits
DRLM suits teams managing centralized recovery for small-to-large GNU/Linux environments, including physical and virtual systems. It is intended for deployments that can dedicate a minimal Linux server installation.
Verdict
DRLM provides centralized ReaR administration, scheduling, remote backups, and documented recovery methods for GNU/Linux systems. Its dedicated-server assumption and SSH requirement for automatic client installation should be considered before deployment.
The facts
Each one read from Disaster Recovery Linux Manager's own pages, with the date it was checked.
What it does
- API
- The installation guide identifies HTTPS on port 443 as the port used for the DRLM API.checked 8 Oct 2026
- Automation
- DRLM can automatically install clients from the server; the client must be reachable over SSH for that workflow.checked 8 Oct 2026
- Backup features
- The project documents incremental backups, encrypted backup files, and TLS-secured rsync backups.checked 8 Oct 2026
- Backup methods
- DRLM supports ReaR PXE and NETFS (NFS) output and backup methods.checked 8 Oct 2026
- Backup scheduling
- DRLM can schedule ReaR installations and start backups remotely.checked 8 Oct 2026
- Install options
- The download page offers the latest production release as source archives in tgz and zip formats.checked 8 Oct 2026
- Integrations
- The documentation lists error reporting integrations for HP OpenView, Nagios, Zabbix, and email.checked 8 Oct 2026
- Intended users
- DRLM is described as a centralized management solution for small-to-large disaster recovery implementations using ReaR.checked 8 Oct 2026
- License
- The DRLM project is released under the GNU General Public License version 3.checked 8 Oct 2026
- Notable limit
- The installation guide assumes a minimal Linux distribution installation dedicated to running the DRLM server.checked 8 Oct 2026
- Purpose
- DRLM centrally manages GNU/Linux disaster recovery using Relax-and-Recover (ReaR).checked 8 Oct 2026
- Recovery
- It manages ReaR installations and supports network boot and recovery for GNU/Linux systems.checked 8 Oct 2026
- Security
- The release notes state that DRLM added encrypted backup files and a security token for communication between server and client.checked 8 Oct 2026
- Server requirements
- The installation guide recommends a minimal Linux distribution installation dedicated to running the DRLM server.checked 8 Oct 2026
- Support
- The project says professional support is available as a paid service, while free support is provided in contributors’ spare time when available.checked 8 Oct 2026
- Supported distributions
- The documented server operating systems include Debian, Ubuntu, CentOS, Rocky Linux, RHEL, OpenSUSE Leap, and SLES versions listed in the installation guide.checked 8 Oct 2026
- Supported server operating systems
- The installation guide lists Debian, Ubuntu, CentOS, Rocky Linux, RHEL, openSUSE Leap, and SLES versions as supported server operating systems.checked 8 Oct 2026
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