Proxmox Firewall Primer
Background Sooner rather than later your servers and routers will be attacked. This is especially so if you run a large network (>100 servers), and
Background Sooner rather than later your servers and routers will be attacked. This is especially so if you run a large network (>100 servers), and
Sometimes your ZFS drives on your disk runs away with you. Then you quickly need commands to see what ZFS disk is the busiest. Try
Open the file /etc/cups/cups-files.conf. Find the group name at the line containing SystemGroup (in Ubuntu it should be lpadmin). Add yourself to that group (sudo usermod -a -G lpadmin
On a cPanel server you may see this warning: You’ll notice the link “Add KernelCare’s Free Symlink Protection” but clicking it bring up either a
Some sites such as ghs.googlehosted.com. requires you to use a CNAME www.example.com to ghs.googlehosted.com.. However, without www., the site won’t work. The solution can be
cPanel bodyhas_mismatch Emails from StandardBank.co.za to a cPanel hosted server fails with bodyhash_mismatch – DKIM issues Email from standardbank.co.za might fail with bodyhash_mismatch. Since it’s
Background Sooner rather than later your servers and routers will be attacked. This is especially so if you run a large network (>100 servers), and
On a large Virtualmin server, for some domains, you might encounter the following issue when enabling and disabling log rotation using the command line. The
Whilst updating Virtualmin, you might get this error: Err:6 https://software.virtualmin.com/vm/6/gpl/apt virtualmin-focal InRelease The following signatures were invalid: EXPKEYSIG D9F9010760D62A6B Virtualmin, Inc. (Package signing key for
CentOS 7 Is Broken for Upgrade In the last few year RedHat destroyed CentOS 7. Now we’ve moved on to Debian, Ubuntu, and Alma Linux.