Reload SSL certificates with systemd
Recently I relinquished an old domain on my server and had to re-issue a certificate to drop that domain off. Previously it ran Let’s Encrypt’s official client Certbot, set up back in 2019. All my ...
Recently I relinquished an old domain on my server and had to re-issue a certificate to drop that domain off. Previously it ran Let’s Encrypt’s official client Certbot, set up back in 2019. All my ...
Recently we discovered that both SSDs on our storage server were giving worrisome SMART values, so we started replacing them. One of them was used only for ZFS L2ARC, so pulling it out was easy. Th...
Today I stumbled upon this V2EX post (Simplified Chinese) where the OP shared their PowerShell implementation of a “makeshift fail2ban” for RDP (their GitHub repository). Their script looked very c...
ZFS is about the most complex filesystem for single-node storage servers. Coming with its sophistication is its equally confusing “block size”, which is normally self-evident on common filesystems ...
A few days back when I was setting up a new VM to host some extra websites, I noticed an unexpected Nginx error page. As I don’t administer the new websites, I just added reverse proxy rules on the...
Public Wi-Fi and some campus network typically block traffic from unauthenticated clients, but more often allow traffic targeting UDP port 53 to pass through, which is normally used for DNS queries...
Since my blog on installing Proxmox VE on eMMC, there’s been a lot of discussion over the Internet on this. I suspect that Proxmox decided not to include eMMCs in their hardware options by design, ...
An LVM volume group (VG) on our Proxmox VE cluster has failed to create new logical volumes, reporting that its metadata was full. At first this appears to be easy, “fine I’ll just add more space f...