This error show up in Exim mail logs when trying to send email from cpanel email: 2021-01-19 21:38:46 failed to expand “${lookup{$domain}cdb{/etc/domain_secondary_mx_ips.cdb}}” while checking a list: lookup of “test.com” gave DEFER: cdb: corrupt cdb file /etc/domain_secondary_mx_ips.cdb (too short). Issue: The…
Great Article on Adding Proxmox Storage
How to add storage to Proxmox
Install Brave Browser on Ubuntu, MintDebian 9+, Ubuntu 14.04+ and Mint 17+
Install Brave Browser on Ubuntu, MintDebian 9+, Ubuntu 14.04+ and Mint 17+ If you get gnutls_handshake() errors after adding the Brave repository on Debian 9, you may need to uninstall old conflicting packages. # sudo apt install apt-transport-https curl gnupg#…
How to While List IP’s for Different Email Providers
If you emails are not arriving or you are getting delays or no receipt, here are ways to help improve email delivery. Google To keep important email messages out of your Gmail spam folder, you should do the following steps.…
Proxmox Resources
Installation https://pve.proxmox.com/wiki/Installation How to manage USB devices https://pve.proxmox.com/wiki/USB_Devices_in_Virtual_Machines Command Line tools https://pve.proxmox.com/wiki/Command_line_tools
Proxmox on Debian Install fails – Errors were encountered while processing: pve-manager proxmox-ve
I reciently install proxmox on Debian and the install failed. Here is the error: apt-get update Hit:1 http://download.proxmox.com/debian/pve buster InRelease Hit:2 http://security.debian.org/debian-security buster/updates InRelease Hit:3 http://deb.debian.org/debian buster InRelease Hit:4 http://deb.debian.org/debian buster-updates InRelease Reading package lists… Done root@px1:~# apt dist-upgrade Reading…
Mount NTFS file system in Debian
How to mount a NTFS disk in Debian. Find the disk: # fdisk -l Disk /dev/sda: 232.9 GiB, 250059350016 bytes, 488397168 sectors Disk model: ST3250310AS Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes /…
Where Proxmox ISO Stored
How to use wget to download iso’s directly to proxmox 6.2-14. Here is the location for the iso file. There is 1 ISO – a Debian ISO that I uploaded to the GUI. Login the proxmox host via ssh. Now…
Disable TCP Port 135 and Avoid WannaCry Windows 10
Check open ports: How to identify the processes that are keeping ports open Windows OS For Windows operating systems, you can use netstat, which is included with the OS. On the scanned server, open command prompt. Run the command: netstat…
Lamp script for CentOS 8
Here is a simple lamp install script for CentOS 8. #!/bin/bash #update system dnf update #install apache dnf install httpd httpd-tools -y systemctl enable httpd systemctl start httpd systemctl status httpd #update firewall firewall-cmd –permanent –zone=public –add-service=http firewall-cmd –permanent –zone=public…