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If Proxmox VE 9 shows “The current guest configuration does not support taking new snapshots” on an LVM thick-backed VM, the usual cause is not ... (Read more)

If SSH or SFTP logins started failing right after an OpenSSH 10 upgrade, the usual cause is not your firewall, your users, or the SFTP subsystem. It is key exchange. OpenSSH 10 disables old finite-field Diffie-Hellman key exchange methods in sshd by default, so ... (Read more)

If Rspamd Bayes is not learning on your DirectAdmin server, the usual cause is simple: Bayes has not seen enough clean mail and spam yet, or you never wired DirectAdmin and Dovecot to feed training data into Rspamd in the first place. The giveaway is a log line like: “The ha... (Read more)

Run it in LXC if the workload does not need its own kernel, does not run Docker natively, and does not require strong security isolation from neighboring tenants. Run it in KVM for everything else. That is the core rule, and almost every edge case in this playbook traces bac... (Read more)

cPanel version 134, released in January 2026, blocks upgrades on servers running Rocky Linux 8 or Rocky Linux 9. New cPanel installations on Rocky Linux are also blocked. If your server runs cPanel on Rocky Linux, you must migrate to AlmaLinux before you can receive any futu... (Read more)

DirectAdmin 1.695, released on February 18, 2026, changes all web server configuration templates to use public_html as the document root for every virtual host. Before this release, HTTPS connections were served from private_html. If your server sti... (Read more)