tach/Synology_NAS_Tips.md

## Synology_NAS_Tips.md

      
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    Synology NAS Tips

Shell operation tips

Password of root is same as administrator account as you created on setup.
How to change shell prompt

PS1="\u@\h:\w$ "

See http://unix.stackexchange.com/questions/62350/what-are-special-prompt-symbols-for-busyboxs-sh-support for details.
How to enable users login

Change user's login shell to /bin/ash at /etc/passwd.
vi /etc/passwd

How to enable public key authentication

$ mkdir ~/.ssh
$ chmod 700 ~/.ssh
$ cat >> ~/.ssh/authorized_keys
$ chmod 600 ~/.ssh/authorized_keys

# chmod g-w /volume1/homes/username

How to restart daemons

Synology is using "upstart" as init.
# /sbin/init --version
init (upstart 1.12.1)
Copyright (C) 2006-2014 Canonical Ltd., 2011 Scott James Remnant

This is free software; see the source for copying conditions.  There is NO warranty; not even for
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


START: start servicename
STOP: stop servicename
RESTART: restart servicename
RELOAD: reload servicename

crontabs

Synology runs busybox crond.  You should edit crontab as /etc/crontab.
# vi /var/spool/cron/crontabs/username
# restart crond

# m h d m dow user command
*/3 * * * * tach  date > date.log  

rsync remote


You must specify --rsync-path=/usr/syno/bin/rsync option to copy data from remote.

MacOSX Tips

Time Machine

See https://www.synology.com/en-us/knowledgebase/tutorials/608 for details.