Reducing the size of /dev/pve/root (the root logical volume in a default Proxmox setup using LVM) and extend the space of /dev/pve/data can be done using SystemRescueCD (or any live Linux environment with LVM and filesystem tools).

This i ...

To extract all destinations (i.e., the recipients) from the Postfix mail queue (mailq), you can use the following Bash one-liner:

mailq | awk '/^[A-F0-9]/ {in_msg=1; next} in_msg && /^[ \t]*[^ ]+@[^ ]+/ {print $1}' | sort | uniq

E ...

Here is a step by step guide to configure OpenDKIM with Postfix on Debian 12 bookworm.

We're gonna modify default configuration files to keep only minimal or required settings.

Install openDKIM

sudo apt-get install opendkim opendkim-tools

Conf ...

Sometimes I need to calculate a total disk usage of files older than a specified interval (days, months, years).

Here is a 1 liner to do that:

find . -type f -mtime +7 -print0 | du -hc --files0-from - | tail -n 1

Detailed info ?

Use

If you are in a search for an email archiving solution, MailPiler is a recommend solutions.

If you didn't heard about MailPiler, check out the comparison with MailAr ...

**Trimite si monitorizeaza mesaje si campanii SMS. Usor & in siguranta, oriunde in lume. **

Platforma ElementarySMS este alcatuita din doua aplicatii, conectate prin Internet, pregatite sa trimita si sa receptioneze meseje text (SMS) catre si dinspre operatorii de telefonie ...