nncp | The Changelog
Sometimes we want better-than-firewall security for things. For instance:| changelog.complete.org
Sometimes we want better-than-firewall security for things. For instance:| changelog.complete.org
Sometimes we want better-than-firewall security for things. For instance: An industrial control system for a municipal water-treatment plant should never have data come in or out Or, a variant of the industrial control system: it should only permit telemetry and monitoring data out, and nothing else in or out A system dedicated to keeping your GPG private keys secure should only have material to sign (or decrypt) come in, and signatures (or decrypted data) go out A system keeping your tax rec...| www.complete.org
In my writing about dar, I recently made that point that dar is a filesystem differ and patcher. We can exploit this property to do something really cool: build an Asynchronous rsync. What does that mean? rsync is a tool that has been in may *nix admins’ toolboxes for years. Typically used over ssh, rsync will compare the state of a local directory tree (or file) to the state of a remote tree, and efficiently make the remote match the local (or vice-versa).| www.complete.org
Keeping your data safe in the event of a disaster or compromise is important. That’s why we back up. Here is some information on backups: Backing up every few minutes with simplesnap on ZFS For hosting backups offsite, my 2021 Roundup of Unique Data/Storage Hosting Options can be useful. How and Why to use Airgapped Backups (see also Airgap) Links to this note Dar dar is a Backup and archiving tool.| www.complete.org
