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--- rpi_common [2019/03/29 12:53] – Júne Park
+++ rpi_common [2019/04/13 14:44] – [Upgrade Raspbian from Jessie to Stretch] Júne Park
@@ Line 271: / Line 271: @@
 ----
+==== Customize login messages ====
+edit or append ''/etc/update-motd.d/xx-command'', where xx is arbitrary number to set priorities.
+For example touch ''/etc/update-motd.d/20-disk'' with the following,
+<code bash>
+#!/bin/sh
+printf "\n"
+df -h /dev/sd* --out=target,fstype --output=size,used,avail,pcent --type=ext4
+printf "\n"
+</code>
+shows size of disk, used and available capacities of ''ext4'' format disk(es).
+<code ini>
+Mounted on             Type  Size  Used Avail Use%
+/home/userid/disk1     ext4  917G  338G  533G  39%
+/home/userid/disk2     ext4  458G  307G  128G  71%
+</code>
+----