100SILEX, de 0 ŕ 100 s: changes
1522 5 Simple steps to secure TT-RSS reader
secure tt-rss, tt-rss security
5 Simple steps to secure TT-RSS reader
July 27, 2015 by Anand Leave a Comment
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We recently presented Tiny Tiny RSS to you as a great alternative to Google reader, which is one more way you can extend the functionality of your home server or your hosting space. Hopefully, you already exported your data from Google Reader. In this post, we will show you how to secure TT-RSS reader to prevent unauthorized access. Tiny Tiny RSS is an open source web-based news feed (RSS/Atom) reader and aggregator, designed to allow you to read news from any location, while feeling as close to a real desktop application as possible. As we previously explained, it makes an ideal candidate to replace Google Reader. While there are services like Feedly and Newsblur grabbing the crowd Google Reader, which some of you may prefer, there are a group of people who would like to run a RSS reader on their own server and keep things private. Assuming that you have already installed Tiny Tiny RSS on your alternative to Google reader or hosting space, we will now show you how to secure TT-RSS reader.
Secure TT-RSS Reader
One of the main reasons to move to an RSS aggregator like TT-RSS is maintaining your privacy. So if you do not secure TT-RSS reader well you are not only making your data available public but also making your system vulnerable to potential attacks. Choosing a strong username and password while setting your TT-RSS is the first basic thing that you can do to secure TT-RSS reader. Listed below are few more ways you can increase TT-RSS readerâ€™s security.
1. Rename TT-RSS Folder
One of the first lines of defense is to not use tt-rss in your URL to access your TT-RSS reader. To do this on your hosting account, use a folder name other than tt-rss while installing TT-RSS. On your Linux home server, edit /etc/tt-rss/apache.conf and change the first /tt-rss to something else. An example is shown below.
TT-RSS Rename URL
TT-RSS Rename URL
After making the change, restart your TT-RSS and Apache to apply the changes:
sudo service tt-rss restart
sudo serivce apache2 reload
Your TT-RSS reader is now available through the new URL (example: http://mydomain.com/myreader) only.
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2. Enable SSL
Accessing TT-RSS through http sends all information as unencrypted data. This could mean less privacy due to potential sniffing. The solution is to encrypt the data during transfer, which makes sniffing by hackers harder. To enable and enforce HTTPS access on Linux servers with Apache, install the following run-time libraries:
sudo apt-get install libssl0.9.8 libpam0g openssl
Restart your Apache server as shown above. You should now be able to access your TT-RSS reader with HTTPS. Note that you may have to have a SSL certificate generated. Refer to Apache documentation if you want to generate your own certificate. By default, the system will install self-signed certificates for you. These certificates are likely to raise warnings when you point your browser to the site.
3. Disable Single User Mode
By default the single user mode is already disabled (in /etc/tt-rss/config.php). Enabling single user mode will also disable TT-RSS login system. Therefore, keep the single user mode disabled.
Disable Single User Mode
Disable Single User Mode
A better way to make it a single user system is by limiting the number of registrations to 1 as described below. For whatever reason, you still want to enable single user mode, make sure you implement Apache Authentication method described below.
4. Self Registrations
Self registrations allow a visitor to register themselves, which could reduce TT-RSS security. If your TT-RSS will be for personal use only, then you may want to disable user registration by setting â€śENABLE_REGISTRATIONâ€ť to â€śfalseâ€ť.
TT-RSS Self Registrations
TT-RSS Self Registrations
To further secure TT-RSS Reader, uou may also want to change â€śREG_MAX_USERSâ€ť to â€ś1â€ť to make your account the only account on TT-RSS.
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5. Apache Authentication
Last but not the least, enable Authentication. This is even more important if you have enabled â€śSingle User Modeâ€ť describe above. Every time you access TT-RSS, you will be asked for a username and password as shown in the picture below:
Secure TT-RSS Reader
On your hosting account this equivalent to password protecting a directory, in this case the TT-RSS directory. To do this on your Ubuntu server, you will have to create a .htpasswd file. More information is available in Apache documentation. But the easiest way to achieve this is to use one of the htpasswd generators available online.
After you enter the username and password two code blocks will be generated. Copy the contents of the .htpasswd code block and save it to /etc/apache2/.htpasswd_ttrss. Next, copy the contents of the .htaccess code block and add it to /etc/tt-rss/apache.conf as shown below:
TT-RSS Apache Authentication
TT-RSS Apache Authentication
Save and exit. Restart both TT-RSS and Apache previous shown above. You should be prompted for a password every time you try to access TT-RSS. Some may think that this double authentication method is an extra inconvenience. But I would rather be safe than sorry.
Go ahead, secure Tiny Tiny RSS Reader and enjoy reading articles on your private secure RSS Reader.
1381 COLLIN CUNNINGHAM / NARBOTIC INSTRUMENTS
COLLIN CUNNINGHAM / NARBOTIC INSTRUMENTS
MidiVox CV sketch update
The MidiVox CV sketch has been updated to work with Arduino 1.0 - grab it here
Also be sure to use the new version of the Midi Library as well!
Also, also: Some previous comments on earlier posts seem to have been lost in a recent Disqus migration - apologies to previous commenters.
Updated Midi Library & site changes
Perhaps you noticed narbotic.com looks different? It is different!
A big thanks to everyone who picked up a MidiVox kit - you are now the proud owner of a rare piece of electronics.
Though the kit is no longer in production, there is now a new version of the Midi Libray which has been updated to work with the Arduino 1.0 IDE.
In addition to an aesthetic reboot, this site will now serve as your premiere destination for all things Collin Cunningham on the web. (and I vow that will be the one & only time I refer to myself in the third-person)
New things are in the works - more to come
1333 Download OpenStreetMap data OSM
Commonly Used Formats
europe-latest.osm.pbf, suitable for Osmium, Osmosis, imposm, osm2pgsql, mkgmap, and others. This file was last modified 19 hours ago and contains all OSM data up to 2013-05-28T18:59:04Z. File size: 10.3 GB; MD5 sum: c97ac9a7c90bc7791893f19fe9e7e3a3.
europe-latest.shp.zip is not available for this region; try one of the sub-regions.
Other Formats and Auxiliary Files
europe-latest.osm.bz2, yields OSM XML when decompressed; use for programs that cannot process the .pbf format. This file was last modified 5 days ago. File size: 14.9 GB; MD5 sum: 087b5f040c89d6d64ea18503b2723d61.
.poly file that describes the extent of this region.
.osc.gz files that contain all changes in this region, suitable e.g. for Osmosis updates
raw directory index allowing you to see and download older files
1078 The Modular Synth
A long time ago, in a galaxy far away, before your local music shop was packed with the latest digital synths, even before the early analogue monosynths, if you wanted a synthesizer you had to make it yourself. Modular synthesis is not in itself a different type of synthesis, but refers to the fact that a synth would be built up from individual components (modules) , which would be linked together (patched) in a configuration decided by the person doing the building.
Compared with today's 'plug and play' synths which come with 100's of presets, GM soundsets, etc, this has the obvious disadvantage that 'recalling' a preset can only be done if your synth is patched together in exactly the same way every time and every controller has to be manually set to the same parameter.
However, the big advantage of Modular synthesis, of course, is that, providing you have the right components, you can build practically anything you want, without being constrained by the 'hardwired' configurations of modern factory built synthesizers.
The Pulsar/Scope Modular synth, like any other Modular 'soft synth' brings together the advantages of both Modular synths and modern factory built synths. Modular configurations can be saved as patches for total recall later on, and each patch can contain any number of presets, again for later recall. Furthermore, with a software modular, you can re-use each component as many times as you wish within one patch, you never run out of cables, you don't have to dedicate a whole room to the synth and the modules never suffer from physical damage. What's more, each parameter can be controlled by MIDI so parameter changes can be recorded into your sequencer in real-time.
925 Forum Holga, SX70, pinhole,polaroid... canette ou boite Ă chaussures; tout le cheap est ici ~
Bienvenue sur h0lg4.org, le portail francophone dĂ©diĂ© aux photographies cheap et aux appareils exotiques.
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Armez votre bonne humeur, rĂ©glez votre curiositĂ© sur la plus grande ouverture, et dĂ©clenchez !!! Clic, clic, clic !!!
Â¤ MĂ©thode de DĂ©veloppement C41 avec le kit digibase de Rollei.
Â¤ DĂ©veloppement au HC-110 de la FP4 exposĂ©e en-dessous de sa sensibitĂ©
Â¤ DĂ©velopper les films couleurs Ă la maison (chimie C41)
Â¤ Agat 18
Â¤ Great Wall DF
Les derniĂ¨res interventions
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I have started to build a (slightly) updated version of the Korg PS-3200 synthesizer.
The PS-3200 was the last of three fully polyphonic, semi-modular analogue synthesizers offered by Korg in the late 70's. (See Ben Ward's excellent Korg PS site for detailed information, including user manuals.)
The concept of the PS-Synthesizers was different from other manufacturer's early polyphonic instruments. Instead of using a small number of voices and a clever keyboard assigning circuit, the "PolyKorgs" had a complete synthesizer circuit, hard wired to each key. That makes a total of 48 VCFs, 48 VCAs and 48 voltage controlled ADSRs even for the smallest of the range, the PS-3100. The largest of the range, PS-3300, even had 144 of these circuits.
The sheer number of synthesizer circuits called for an extremly economic circuit design, and it's a joy to look at Korg's design ideas which led to building blocks that almost did the same as in the better known "classic" synthesizers. And after many years of engineering and reverse-engineering electronic music circuits, I have learned to look at odd solutions not as "substandard", but as a source of creativity an individual character. Here's a list of some highlights:
Function Implementation Side effects
Single-Transistor Waveform Converter creates triangle, saw, pulse and PWM from saw input, using one (!) transistor, one diode and two resistors per voice, plus two global control voltages Pulse height also changes with pulse width
5-Transistor-VCF (Korg-35) A Voltage controlled 2-pole (Sallen&Key) LPF built from 5 transistors rather high CV feedthru
Single-Diode VC Resonance The dynamic resistance of a simple diode is used to alter the feedback gain of the VCF limited range of Q
"Expand" function instead of VCF Envelope modulation depth Instead of scaling down the ADSR with a VCA, the a variable portion of the Envelope is just clipped with a single diode. It's so remarkably close to ordinary VCA function that apparently nobody takes notice. At least I have not read about it anywhere.
At slow Atack times, the Envelope appears delayed at the VCF (no effect until th eclipping point is reached). Usefull for Brass sounds, and not easy to emulate with conventional synthesizers.
Minimum parts count Voltage Controlled ADSR Three transistors, 1/2 of a LM324 and one CD4007 per voice. Plus some more involved control circuit, shared by several voices Transistors must be selected in 13-tuples, not just in pairs.
ADSR detail (1):
One-opamp control logic 1/4 LM324 is used as Flipflop, which is dynamically set by Gate-ON, dynamically reset by Gate-OFF, statically reset when the attack peak voltage is reached, and whose set/reset sensitivity is altered by a CV Very odd "Hold" function, depending on the "Attack"-value. But very useful in practise.
ADSR detail (2):
Single-Transistor, exponential slope VC-Decay Using a single transistor per voice for VC Attack and Release is remarkable already, even though the A and R slopes are linerar. But the Decay slope is exponential, and this is achieved with a single transistor and two resistors per voice! The Decay time range is rather limited. No ultra fast Decay, and no ultra slow Decay either.
Single-Transistor VCA That's the "Korg standard" VCA, well known from other instruments like the MS-10.
812 ED102 - Octave-Volts-Hertz
The ED102 borrows heavily from the Korg MS-02â„˘ although it was developed independently of Korg Inc.
Korg and MS-02 are the trademarks of Korg Inc.
Among presently available music synthesizers, there are two different types of control system used for controlling devices such as the VCO (voltage controlled oscillator) and VCF (voltage controlled filter). These two systems been: Hertz/Volt (Hz/V) and Octave/Volt (Oct/V).
The graph to the left shows the relationship between the VCO oscillator frequency (pitch) and the control voltage (keyboard output voltage). The straight line on the graph is from a synthesizer in which there is a one octave change for every one volt change in the control voltage (Oct/V). In contrast, the curved line on the graph is the control voltage from a synthesizer in which the VCO frequency is proportional to voltage (Hz/V system).
To allow these systems to work together you will need a module like this ED102. The built-in, fully adjustable log amp and anti-log amp ensure complete system flexibility and compatibility between any presently voltage controlled synthesiser.
The Hz/V system
In the Hz/V system, the VCO oscillator frequency is proportional to the control voltage so that, for example, if the frequency of a VCO increases by 100Hz for every volt applied, then applying 1V, 2V and 3V to this VCO would generate 100Hz, 200Hz and 300Hz respectively.
The Oct/V system
In the Oct/V system the VCO oscillator frequency changes one octave for every one volt change in the control voltage so that, for example, 1V, 2V and 3V to a VCO would generate 200Hz, 400Hz and 800Hz respectively.
Features and Functions
This changes a Hz/V type keyboard CV (control voltage) output into an OCT/V type of CV. Use the Log Amp to change the control signal from, say, a Korg or Yamaha synthesiser into a signal you can use with another type of synthesizer.
This changes an OCT/V type of keyboard CV output into a Hz/V type of CV. Use this Antilog Amp when you want to control, say, a Korg synthesiser by means of a unit that uses the OCT/V system.
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Nothing Sounds Like an Eventide
Through the decades, top players have depended on Eventide: Jimmy Page, Frank Zappa, Brian May, Eddie Van Halen, Steve Vai, Robert Fripp, John Petrucci, and Adrian Belew, to name a few. Now, for the first time these effects are portable AND affordable. Stompbox simple, PitchFactor fits on your pedalboard or in your gigbag.
Studio Quality Effects at Your Feet
Top recording studios worldwide use Eventide effects on hit after hit. PitchFactor includes Eventide's best pitch-changing effects from the past 39 years without compromising quality OR flexibility.
Plug-and-play expression pedal control of wet/dry mix or any combination of parameters. Control program changes and vary parameters continuously via MIDI. Supports instrument or line level inputs and outputs. Plays well with others; adapts seamlessly with a wide variety of amps and other foot pedals.
Obsolescence is so 20th Century
Easy to upgrade; download new software from the Internet and install via USB.
10 of Eventideâ€™s signature stereo or mono pitch+delay effects:
H910 / H949
Up to 4 voices of diatonic pitch shifting and up to 1.5 seconds of stereo delay
Studio quality sound
Guitar or bass compatible
Software upgradeable via USB 2.0
MIDI control via USB or MIDI in, out/thru
Instant program change
Real-time control with 10 knobs, MIDI, or expression pedal
Tap tempo and MIDI clock sync
100 factory presets, unlimited through MIDI
True analog bypass
Rugged cast metal construction
Reliable metal footswitches for instant preset access
Mono or stereo operation
Guitar or line level inputs and outputs
533 The Theory and Technique of Electronic Music
Sinusoids, amplitude and frequency
Measures of Amplitude
Units of Amplitude
Synthesizing a sinusoid
About the Software Examples
Wavetables and samplers
The Wavetable Oscillator
Audio and control computations
The sampling theorem
Converting from audio signals to numeric control streams
Control streams in block diagrams
Audio signals as control
Operations on control streams
Control operations in Pd
Automation and voice management
Linear and Curved Amplitude Shapes
Continuous and discontinuous control changes
Encapsulation in Pd
Taxonomy of spectra
Multiplying audio signals
Frequency and phase modulation
Pulse trains via waveshaping
Pulse trains via wavetable stretching
Movable ring modulation
Phase-aligned formant (PAF) generator
Time shifts and delays
Time shifts and phase changes
Recirculating delay networks
Power conservation and complex delay networks
Variable and fractional shifts
Fidelity of interpolating delay lines
Taxonomy of filters
Low-pass and high-pass filters
Band-pass and stop-band filters
Elementary non-recirculating filter
Non-recirculating filter, second form
Elementary recirculating filter
Real outputs from complex filters
Two recirculating filters for the price of one
One-pole low-pass filter
One-pole, one-zero high-pass filter
Peaking and stop-band filter
Stretching the unit circle with rational functions
Butterworth band-pass filter
Impulse responses of recirculating filters
Single Sideband Modulation
Fourier analysis and resynthesis
Fourier analysis of periodic signals
Periodicity of the Fourier transform
Fourier transform as additive synthesis
Properties of Fourier transforms
Fourier transform of DC
Shifts and phase changes
Fourier transform of a sinusoid
Fourier analysis of non-periodic signals
Fourier analysis and reconstruction of audio signals
Timbre stamping (classical vocoder)
Phase relationships between channels
Symmetries and Fourier series
Sawtooth waves and symmetry
Dissecting classical waveforms
Fourier series of the elementary waveforms
Square and symmetric triangle waves
General (non-symmetric) triangle wave
Predicting and controlling foldover
Sneaky triangle waves
332 Web Design Trends for 2010 | Webdesigner Depot
Purists will say that great design is timeless. Yes, in an ideal world, we should ignore trends.
Pragmatically speaking, though, there is a lot of value in monitoring and incorporating design trends, especially with regard to websites.
Letâ€™s face it: the web changes at a rapid pace. Unlike in other media, design trends on the web are not just driven by aesthetics.
Technology is changing that can drastically alter the capabilities of the medium.
In 2010, weâ€™re seeing designers continuing to push the boundaries of web design, setting the following clear trendsâ€¦
327 ReclaimPrivacy.org | Facebook Privacy Scanner
Keep up with the latest news about privacy policies on Facebook.
The Erosion of Facebook Privacy eff.org
Facebook Privacy Changes eff.org
7 Things to Stop Doing Now on Facebook yahoo.com
Facebook's Gone Rogue wired.com
This website provides an independent and open tool for scanning your Facebook privacy settings. The source code and its development will always remain open and transparent.
Drag this link to your web browser bookmarks bar: Scan for Privacy
Go to your Facebook privacy settings and then click that bookmark once you are on Facebook.
You will see a series of privacy scans that inspect your privacy settings and warn you about settings that might be unexpectedly public.
Follow us on Facebook to hear about the latest updates.
Having trouble? Check our help page for tips and video walkthroughs.
Our mission is to promote privacy awareness on Facebook and elsewhere. Spread awareness to your friends on Facebook by sharing this website with them:
You can follow us on Twitter too!
If you prefer email, you can also sign up for the newsletter to get informed of privacy updates:
Are you a coder? Contribute to the source code and help to keep the privacy scanner up-to-date.
we never see your Facebook data
we never share your personal information
Simple. The scanner operates entirely within your own browser.
Statement of limitation of liability: you use this tool at your own risk, and by using this tool you agree to hold neither ReclaimPrivacy.org (nor its contributors) liable for damage to your Facebook account. However, we do strive to reduce that risk by keeping the source code open and transparent, so that we can identify bugs and quickly fix any functionality.
about the author
298 The Evolution of Privacy on Facebook
Facebook is a great service. I have a profile, and so does nearly everyone I know under the age of 60.
However, Facebook hasn't always managed its users' data well. In the beginning, it restricted the visibility of a user's personal information to just their friends and their "network" (college or school). Over the past couple of years, the default privacy settings for a Facebook user's personal information have become more and more permissive. They've also changed how your personal information is classified several times, sometimes in a manner that has been confusing for their users. This has largely been part of Facebook's effort to correlate, publish, and monetize their social graph: a massive database of entities and links that covers everything from where you live to the movies you like and the people you trust.
This blog post by Kurt Opsahl at the the EFF gives a brief timeline of Facebook's Terms of Service changes through April of 2010. It's a great overview, but I was a little disappointed it wasn't an actual timeline: hence my initial inspiration for this infographic.
235 MATRIXSYNTH: Alesis Andromeda A6 Aurora Mod
This was a custom mod. I originally put a post up in August of 05 here. Anyone know the website where more info on this mod is hosted? I accidentally lost the link when mucking around with Blogger's settings a while back.
This image via Photobucket
Update: I found the original site but it is down. Some info and additional shots pulled from the Internet Archive Way Back Machine. You can find some thumbnails there, but most give you a 404 if you click on them for the larger shot. I pulled the large pics below before they are gone forever.
"Alesis made Synthesis History when they released their Alesis Andromeda A6, an analog polysynth bred with new technology and classic analog sound! Sixteen awesome voices with two types of filters, a vast modulation system, and enough bells and whistles to make the Andromeda A6 THE most highly featured analog polysynth in existence. If it only had a sloped panel...
* Take one Andromeda, lightly used (but out of warranty - very important!)
* Add one black on blue BETA Panel - because the pre-production beta panels were lacking the Pre- and Post-Filter Mix VIEW buttons, either the buttoncaps must be pulled off of the switches on the PCBs OR two holes need to be carefully drilled through the panel to accomodate. I drilled the holes after measuring about fifteen times each.
* Tilt that panel at approx. the same slope as the Korg MS-20. Requires the extending of a couple of ribbon cables inside, and some pop-rivetted braces. Not too hard.
* Custom wood endcheeks of nice Oak, plus a wood accent over the keyboard. I chose to go with thick, high quality wood to make Aurora more of a beast.
* Replace all green LEDs with red high-intensity ones. This also required changing some resistor values to increase the brightness.
* Replace the LCD with a Hantronix Blue-on-White display. Also, some resistor changes are needed.
* Have a very agreeable Alesis burn a custom Boot EPROM with the custom-designed bootup screen below.
* Build a custom top panel, complete with several additional controls (two joysticks, several switches and knobs) as well as a full 16-channel mixer with level and pan per channel, one for each of the 16 individual outs on the Andromeda.
* Add lots of careful, hard work and time, and PRESTO - you have the Aurora A6!
The Name: I went with Aurora for a couple of reasons.
1. Alliteration - AurorA - AndromedA - get it?
2. There is some legend/lore as to how the Alesis Andromeda got its name. Could be related to the Greek mythos. Could be related to the Andromeda galaxy. Could be darts thrown at dictionary pages :-) In any case, Aurora fits with the mythology bent because in Roman mythology, Aurora was the goddess of the dawn (Andromeda was rescued and married by Perseus in Greek mythos). Aurora also fits the 'celestial' thing as well, as the Aurora Borealis. Either way, it kept with what might have perhaps been Alesis' reasons for naming the Andromeda.
3. I just liked it.
4. The A6 is kept because this fits with Alesis' naming convention (QS8 = 81-key QuadraSynth, A6 = 61-key Analog). There is some rumor that A6 was a play on ASICs, the custom chips within Andromeda, but I'm assured this is just rumor :-) "
178 X5L Hardware changes (HD and battery) [Archive] - iAudiophile.net Forums
[Archive] X5L Hardware changes (HD and battery) iAudio X5
X5L Hardware changes (HD and battery), iaudiophile, review, iaudio, cowon, forum, community, fan
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