Zimbra reports “ Error: Queue report unavailable – mail system is down ”
After unexpected cold boot when you reboot Zimbra you can …
Zimbra reports “ Error: Queue report unavailable – mail system is down ” Read More »
Linux
how to setup proxy for apt in ubuntu / debian
Aptitude will not use the HTTP Proxy environment variables. Instead, …
how to disable ipv6 networking on debian / ubuntu
On modern systems IPV6 protocol enabled by default. And in …
how to disable ipv6 networking on debian / ubuntu Read More »
VestaCP – Debian – exim – main option “acl smtp mime” unknown
Error while start exim4 on Debian systems means that the …
VestaCP – Debian – exim – main option “acl smtp mime” unknown Read More »
How to renew letsencrypt ssl certificate 2023
I recently requested an update to our LetsEncrypt certificates to …
how to clear journal logs (/var/log/journal)
/var/log/journal is the directory with the package’s systemd logs the …
how to setup dkim on proxmox mail gateway
Go to port 8006 go to settings – Mail Proxy …
CSF: disable icmp ping
On this post we will learn how to allow / …
csf firewall set email smtp alert port number
For mail servers listens on non-standard port numbers Find in …
E: Failed to fetch https://enterprise.proxmox.com
So after upgrading 4 of our Proxmox servers from 6.0 …
E: Failed to fetch https://enterprise.proxmox.com Read More »
postresql: move data directory to another location
Databases grow over time, sometimes outgrowing the space on their …
postresql: move data directory to another location Read More »
how to install webmin on Debian 11
Webmin is an open-source application platform that gives a web-based …