Requirement.parse('cairocffi>=0.7')

# pip install --upgrade cairocffi

WProgram.h: No such file or directory

1.

change "WProgram.h" to "Arduino.h"


2.

#if ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif

References :
WProgram.h: No such file or directory
ARDUINO 1.0 - error: WConstants.h: No such file or directory

mplayer play speed

$ mplayer file.mpg -speed 0.1

--speed=<0 .01-100="">

0.5 = 0.5x
1 = original
10 = 10x

References :

[MPlayer-users] slowing down a video clip

SSH no matching host key type found. Their offer: ssh-dss

$ ssh -p 1234 -oHostKeyAlgorithms=+ssh-dss -oPubKeyAcceptedKeyTypes=+dsa root@192.168.1.1

References :
OpenSSH7 Unable to negotiate with 192.168.1.1: no matching host key type found. Their offer: ssh-dss - MikroTik RouterOS

Debian Hotplugged Network Interface

# vi /etc/network/interfaces

allow-hotplug usb0
auto usb0
iface usb0 inet dhcp

Weewx Raw/LOOP Data Plugin (raw.py)

1. Copy the extra/plugins/weewx/raw.py file into $WEEWX_HOME/bin/user/
2. vi weewx.conf
   [Databases]
       [[raw_mysql]]
       database_name = weewx
       host = localhost
       user = weewx
       password = weewx
       driver = weedb.mysql
   [Engine]
       [[Services]]
           archive_services = weewx.engine.StdArchive, user.raw.RawService
   [Raw]
       raw_database = raw_mysql
       data_limit = 24
3. ./bin/weewxd weewx.conf

References :

lirpa / mesowx — Bitbucket

No data (output) in Real Time and 24 Hours, but OK in Archive - Google Groups

Re: Re: How does weewx process Davis LOOP packets?
Upgraded raw plugin for MesoWx v0.4.0

configure: error: no libevent found

# apt-get install libevent-dev