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Linux find total usage of files older than specified number of days

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 ?


Email archiving with MailPiler 1.3.x on Debian 8 Jessie

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 ...

Detecting CSV delimiter with PHP

Excel doesn't do a very good job on exporting comma separated files (CSV or TXT). Reading the file with fgetcsv could fail, since the field separator might not be as expected (a comma).

Here is a quick method to find the field delimiter from a CSV file. We'l ...

Debian Linux cron error: bad username (nscd and libnss-mysql)

If your system setup is based on nscd with libnss-mysql and you have setup a cron job for a database user, it might be possible to get this error in your syslog after ...

Setting up SRV records for an Office 365 domain using PowerDNS with PowerAdmin

Adding a domain to Office 365 requires adding some DNS records.

The details are explained here Cre ...

Delete messages from Postfix queue by sender address and recipient domain

Ever wanted to delete all messages from Postfix queue by sender email address and recipient domain ?

Today, I did ... and below you can find a handful script for this purpose.

Tools needed: grep, awk, mailq and postsuper.

In a hu ...