The Meraki runs on a version of OpenWRT, and is supposed to come with a great deal of software installed including a ruby interpreter. You will have to determine whether Meraki's version of OpenWRT is sufficient for your needs.
The simplest way to work with the Meraki is to plug it directly into an ethernet port on your computer. You will need to have DHCP running to access the Meraki. If you want to make sure the Meraki is working, open up a browser and enter the IP address your DHCP server assigned it. The default Meraki network setup page should appear.
ssh is the usual method of accessing the Meraki. To ssh to the Meraki, type at a shell prompt ssh firstname.lastname@example.org (IP address assigned by the DHCP server). The password is the serial number (including the dashes) printed on the back of the Meraki. Once you login as meraki, you can temporarily change the password of the root account. Yes, I said temporary and root. The passwd command without an arg will change the password to root, and it is temporary since /etc/passwd is not a part of permanent storage (/storage). If you wish to temporarily change the password for the account meraki, enter passwd meraki at the shell prompt. A way to work around this problem is addressed below.
Issuing a reboot will reboot the Meraki, reset all the passwords and start the process all over again.
A personal FYI, I had some problems accessing the Meraki using my Windows-based PC. It may be something as simple as choosing the correct authentication method in ssh.
Basic Configuration Information/storage is the only non-volatile area and isn't that large.Filesystem Size Used Available Use% Mounted on /dev/mtdblock2 1.0M 204.0k 820.0k 20% /storage none 14.4M 228.0k 14.2M 2% /tmp
Just as in any other version of Linux, the /etc/init.d/ directory contains the startup scripts. S10dropbear starts the ssh server and S50httpd starts a light-weight http server.# ls -l /etc/init.d/ -rwxr-xr-x 1 root root 3529 Jan 1 00:00 S10boot -rwxr-xr-x 1 root root 429 Jan 1 00:00 S50dropbear -rwxr-xr-x 1 root root 283 Jan 1 00:00 S50httpd -rwxr-xr-x 1 root root 634 Jan 1 00:00 S80meraki -rwxr-xr-x 1 root root 105 Jan 1 00:00 S99done -rwxr-xr-x 1 root root 85 Jan 1 00:00 rcS
In the S10boot script, there is a portion of the script that looks inside of /storage for a script called early-init.sh and a directory called early-startup. This is one location where we can place our startup scripts.if [ -x /storage/early-init.sh ]; then . /storage/early-init.sh fi if [ -d /storage/early-startup ]; then for i in /storage/early-startup/*; do [ -x $i ] && $i done fi
In the S80meraki script, there is a portion of the script that gives us one last chance to run some initialization scripts. It will look inside of /storage once more looking for a script called late-init.sh and a directory called late-startup. This is where I placed the script that overwrites the default /etc/passwd file with our updated passwords.if [ -f /storage/late-init.sh ]; then . /storage/late-init.sh fi if [ -d /storage/late-startup ]; then for i in /storage/late-startup/*; do [ -x $i ] && $i done fi
Available CommandsThe Meraki uses busybox which has many of the basic UNIX commands. A complete list of busybox commands and their website can be found here. The Meraki also comes with the click package installed.
Commands on The MerakiA list of the various commands available in /bin on the Meraki is listed below:ash dd grep mkdir nice rmdir true cat df gunzip mktemp pidof sed umount chgrp dmesg gzip more ping sh uname chmod echo ipcalc mount ping6 sleep usleep chown egrep kill mv ps sync vi cp false ln netmsg pwd tar zcat date fgrep ls netstat rm touch
Available in /usr/bin. The commands in bold are not a symlink to busybox.[ find mtunnel_client tee [[ free nc telnet arping freeze nslookup test awk get_board_config.rb passwd test_merakilib basename harvest printf test_tcp_client brain harvestd reset test_tcp_server bunzip2 head ruby time bzcat hexdump runmax top check_bootreason hostid save_random_seed tproxy checkpart id scp tr clear ipkg seq traceroute config_updater killall serial_number.sh uniq crc killall5 set_boot_time uptime crontab led_blink shalsum wc cut led_off sort wget dbclient led_on spawn-fcgi which dirname length ssh xargs dropearkey logger start_mtunnel yes du md5sum strings env meraki_watchdog sync_log expr mesg sync_log_d fastcgi mkfifo tail
Available in /sbin. The commands in bold are not a symlink to busybox.halt ifup logread reboot syslogd hotplug init lsmod rmmod udhcpc ifconfig insmod mtd route vconfig ifdown klogd pivot_root sysctl watchdog
Available in /usr/sbin. The commands in bold are not a symlink to busybox.80211associate brctl ip iwspy 80211debug chroot iptables lighttpd athchans crond iwconfig madwifi_multi athctrl dnsmasq iwgetid rdate athdebug dropbear iwlist wlanconfig athkey hostapd iwpriv
This material is based upon work supported by the National Science Foundation under grants #0435454 and #0454432, and the NSF Graduate Research Fellowship Program. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.