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Here is something that I got my hands dirty on just now

Calendar September 2010

Download link.

Hope you like it.

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Here is description of program/utility to display the currently logged in user in a Linux box (tried on Fedora 13 Goddard):

Whowatch is an interactive console utility that displays informations about the users currently logged on to the machine, in real time. Besides standard information (login, tty, host, user’s process) you can see type of login (ie. ssh, telnet). You can also see selected user’s processes tree or all system processes tree.  In the process tree mode there is ability to send INT or KILL signal to selected process.

First the installation:

Here are the screenshot’s if you are interested:

Screenshot-whowatch

Press enter to see the process’s running for that user:

Screenshot-whowatch Process Tree

Press “t” to view the init tree and try other commands listed in the menu below

Screenshot-whowatch Init Tree

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How many times has it happened to you that you are working on some linux platform (like Fedora/Ubuntu/CentOS etc) and suddenly you see that you need to remove some path from the PATH variable so that a script is executed from some other path. It really difficult to do this if the path is too long and if you end up doing this couple of times. If that is the case, then the below script is for you

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• for loop in bash script on solaris without seq (amit-agarwal.co.in)

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Three Touch Up Tricks For Photoshop To Improve Your Photos enhancing photos with photoshopThe problem with exceedingly better cameras is that, besides every beautiful detail, they also manage to catch every blemish. The time when you could get away with sunburn, or even something as small as a mole is long past. Those details will be engraved in virtual stone as well.

Nowadays, everyone realizes that movie stars don’t look all that perfect in real life and that Madonna doesn’t look like a twenty year old, but rather thrice that number. It’s the fault, or blessing, of Photoshop, a premier photo editing application.

In this article, I’d like to teach you three rather simple tricks on enhancing photos with Photoshop to fix nearly every blemish. More so, this article is intended for junior editors, like myself. This means that :

* You don’t need extensive experience with Photoshop. * You don’t need a steady hand (i.e. no airbrush techniques).

In other words, everyone can take this tutorial and expect to follow it through to the end. If you watch where you step, you will get great results from very little effort and experience.

1. Remove Moles & Other Blemishes In Photoshop CS5, there’s an amazing new feature, called content-aware. Instead of sampling from one particular area, content-aware will try to reconstruct spots with little image-parts grabbed from all over the canvas. You can use it to fix a skyline, delete a tree, or to remove blemishes.

________________________________________________________________________

Similar MakeUseOf Articles * How To Create An Awesome Soft Focus Effect In Photoshop (8 comments) * How To Change The Background Of A Photo In Photoshop (13 comments) * 5 Free Awesome Graphic Design Tutorial Sites You Should Check Out (6 comments) * The Basics of How to Properly Resize Images in Photoshop (2 comments) * Remove Unwanted Photo Elements With Photowipe (16 comments) * Photoshop Tips For Black & White Photography (9 comments) * How To Make Fake High Dynamic Range Photos In Photoshop (25 comments) * How To Make A Cool Collage Using Photoshop (15 comments) * How To Lighten Dark Photos In Photoshop (4 comments) * How To Easily Create Clouds In Photoshop (15 comments)

URL: http://feedproxy.google.com/~r/Makeuseof/~3/GqntLJYPe0w/

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• 09/04/2010, Lot’s of time to play with photoshop while my wife is in Florida | Deviant Dad writes: [...] Three Touch Up Tricks For Photoshop To Improve Your Photos (amit-agarwal.co.in) [...]

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mkat details:

mkat is a set of command line tools to burn, catalog data CD/DVD, audio CDs and then search the catalog database, e.g. check whether you have a certain file or audio CD in your collection. Tags can be used to categorize CDs, e.g. comedy, drama, etc. Audio CD support is very rudimentary though.

I use this program to catalogue my DVD’s and CD’s but the issue with that is that it is un-necessarily slow in doing the cataloguing. It does a md5sum for all the files which is of not much use to me. How to overcome this. Create a file called md5sum and change the permissions to executable. Just put something like

echo “File”

and put the path of this file in the PATH variable in the begining and you are done.

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Happy Janamastmi to all of you

Janamastmi

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Use the last command’s output as input to a command without piping and
bind to it to a key sequence in bash.

My comment : fc is the fix command of the bash builtin.
This is similar to using `!!` or

In bash 4.1 it seems you can bind directly to a shell command, but I’m
not running that version.

* View this command to comment, vote or add to favourites
* View all commands by rthemocap

commandlinefu.com

by David Winterbottom (codeinthehole.com)

URL:
http://feedproxy.google.com/~r/Command-line-fu/~3/Y59sGmIg24s/use-the-last-commands-output-as-input-to-a-command-without-piping-and-bind-to-it-to-a-key-sequence-in-bash.

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As promised here are few pics from my DSLR.

Comments

• 08/31/2010, Tweets that mention Pictures from my new camera :) – Amit Agarwal -- Topsy.com writes: [...] This post was mentioned on Twitter by Amit Agarwal, Amit Agarwal. Amit Agarwal said: Check out new post about Pictures from my new camera :) http://ping.fm/nhFKr here [...]

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Technorati Tags: amit agarwal, Autofocus, Camera, Canon, Digital camera, Digital single-lens reflex camera, DSLR, Nikon, Nikon 5000, Photo, Photography, Zoom lens

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For last couple of months, I was thinking of taking a DSLR. I had a entry level DSLR from FujiFilm S9600(which now I am planning to sell off). This is a very nice camera indeed, but I had to have a better camera. So, I searched and researched and finally it came down to list of few things I wanted: a camera with couple of features, a zoom lens to begin with. So, after the discussion with one of my friends (Murali), thanks to him I have got my SLR (Nikon D5000). Its a dream come true. Here are some snaps of the box.

Nikon D5000 Box Pack

Nikon D5000 Box Pack

Nikon D5000

I will post few more posts on the first few photos from my SLR

Here is the snap of the camera :

D5000 Camera

D5000 Front

D5000 Back

And the features:

• New Vari-angle monitor
• Nikon DX-format 12.3-megapixel CMOS image sensor
• Specially designed EXPEED image processing system
• Live View shooting
• Movie clips with D-Movie
• 19 Scene Modes
• Scene Recognition System with Face Detection System
• Active D-Lighting
• 11-point AF system with Multi-CAM 1000 autofocus module
• Picture Control System
• Photo editing
• Nikon Integrated Dust Reduction System

And the technical specification :

Type of Camera	Single-lens reflex digital camera
Effective Pixels	12.3 million
Image Sensor	Nikon DX format (23.6 x 15.8 mm) CMOS sensor
Image Size (Pixels)	4,288 x 2,848 [L], 3,216 x 2,136 [M], 2,144 x 1,424 [S] D-movie: 1280 x 720 / 24fps, 640 x 480 / 24fps, 320 x 240 / 24fps
Sensitivity	ISO 200 to 3,200 in steps of 1/3 EV, plus HI-0.3, HI-0.7, HI-1 (ISO 6400); LO-0.3, LO-0.7 and LO-1 (ISO 100)
File Format	NEF (12 bit compressed RAW) JPEG (Baseline-compliant) AVI movie (Motion JPEG compression format with monaural sound)
Storage Media	SD memory card (SDHC compliant)
Shooting Modes	1) Single frame 2) Continuous: 4fps 3) Self-timer 4) Delayed remote 5) Quick-response remote 6) Silent shooting 7) D-Movie
White Balance	Auto (hybrid control with image sensor and 420-segment RGB sensor) 12 manual modes, 31 color temperature settings, preset manual, fine tuning, white-balance bracketing
LCD Monitor	2.7″, 230,000-dot, low-temperature polysilicon TFT vari-angle LCD
Playback Function	1) Full-frame, 2) Thumbnail (4/9/72, calendar), 3) playback zoom, 4) RGB histogram display, 5) RGB histogram for portion of the image visible in the monitor with playback zoom, 6) Slide show, 7) Movie playback, stop-motion movies
Delete Function	1) Card format, 2) All frames delete, 3) Selected frames delete
Interface	USB 2.0 (High-speed): MTP/PT, GP-1 (GPS Unit)
Picture Angle (in 35mm [135] format equivalent)	Approx. 1.5x lens focal length
Viewfinder	Eye-level penta-Dach mirror type; built-in diopter adjustment (-1.7 to +0.5m-1)
Focusing Screen	Type B Brite View clear matte screen Mark V with superimposed focus brackets
Viewfinder Frame Coverage/Magnification (with 50mm lens at infinity; -1.0 m-1)	Approx. 95%/ Approx. 0.78x
Autofocus	TTL phase detection by Nikon Multi-CAM 1000 autofocus module with AF-assist (range approx. 0.5-3m/1ft 8 in. – 9ft 10 in.); Detection range: -1 to +19 EV (ISO 100 at (ISO 100 at 20°C/68°F)
Focus Modes	1) Autofocus (AF): Single-servo AF (AF-S); Continuous servo AF (AF-C); Auto AF-S/AF-C selection (AF-A), 2) Manual focus (MF) can be selected from 11 focus point
Exposure Metering System	1) Scene-recognition system compatible 3D color matrix metering ? (type G and D lenses), color matrix metering II (other CPU lenses) 2) Center-weighted (weight given to 8-mm circle in center of frame) 3) spot metering (meters 3.5-mm circle centered on selected focus point)
Exposure Metering Range (at normal temperature [68°F/20°C], ISO 100 equivalent, f/1.4 lens)	1) 0 to 20 EV (3D-Color Matrix or Center-weighted metering) 2) 2 to 20 EV (Spot metering)
Exposure Control	1) Digital Vari-Program (Auto, Auto [Flash Off], Portrait, Landscape, Child, Sports, Close Up, Night Portrait), 2) Programmed Auto [P], 3) Shutter-Priority Auto [S], 4) Aperture Priority Auto [A], 5) Manual [M], 6) Scene modes applied with mode dial set to SCENE : Night landscape, Party/Indoor, Beach/Snow, Sunset, Dusk/Dawn, Pet portrait, Candlelight, Blossom, Autumn colors, Food, Sihouette, High key, Low key
Auto Exposure Bracketing	3 exposures in increments, ?2.0– +2.0 (in steps of 1/2 or 1/3 EV)
Shutter	Electronically controlled vertical-travel focal plane shutter, 30 to 1/4000sec in steps of 1/3 EV plus bulb
Sync Contact	X-contact only; flash synchronization at up to 1/200 sec
Flash Control	1) i-TTL flash control by 420-segment RGB sensor; i-TTL balanced fill-flash for digital SLR, standard i-TTL flash for digital SLR
Flash Sync Modes	1) Front-curtain sync, 2) Red-eye reduction, 3) Slow sync with red-eye reduction, 4) Slow sync, rear-curtain sync
Self-Timer	Electronically controlled timer with duration of 2, 5, 10 or 20 s.
Depth of Field Preview Button	No
Remote Control	Via Wireless Remote Control ML-L3 (optional)
GPS	via GP-1 GPS Unit (optional)
Supported Languages	Total of 17 languages: Chinese (Simplified and Traditional), Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish
Power Requirements	Rechargeable EN-EL9a Li-ion battery, EH-5a AC adapter (available separately; requires optional EP-5 AC adapter connector; EN-EL9 also supported)
Battery Life (on a fully charged battery)	Approx. 510 shots
Tripod Socket	1/4 in. (ISO1222)
Dimensions	Approx. 127 x 104 x 80mm
Weight (without battery, memory card or body cap)	Approx. 560g
Supplied Accessories (may differ by country or area)	Rechargeable Li-ion battery EN-EL9a, Quick charger MH-23, USB cable UC-E6, Rubber Eyecup DK-24, Camera strap AN-DC3, Body cap, Eyepiece cap DK-5, Software Suite CD-ROM, AV Cable EG-CP14
Other Features	Vari-angle LCD monitor with range of movement: 0°–180° for opening/closing (?90°–180° for rotation),Integrated Dust Reductions System, Graphic User Interface, Live view (with face-priority AF), D-Movie

Comments

• 08/29/2010, Tweets that mention New entry – My DSLR from Nikon… just loving it. – Amit Agarwal -- Topsy.com writes: [...] This post was mentioned on Twitter by Amit Agarwal, Amit Agarwal. Amit Agarwal said: I just post New entry - My DSLR from Nikon... just loving it. on http://ping.fm/KBIVP [...]
• 08/29/2010, SATA HDD enclosure with AV Media DVR recording and playback | Buy Korg D3200 writes: [...] New entry – My DSLR from Nikon… just loving it. – Amit Agarwal [...]
• 08/30/2010, Niranjan Dash writes: Congratulations for the new camera sir. How much did it cost? and from where did you buy it? It was just a coincidence that when I was just looking at Nikon D5000 in some other site, I opened Facebook and saw your entry for this same camera. Niranjan
• 08/30/2010, Amit Agarwal writes: Thanks, got it for 48K at Brigade road.

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Technorati Tags: 35mm, Active pixel sensor, Arts, Autofocus, Camera, Digital camera, Digital single-lens reflex camera, Equipment and Services, Image sensor, Nikon, Nikon D5000, Nikon DX format, Photography

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History-Zabbix Error'd

I was woking on Zabbix some days back and here’s a screenshot that I took from Zabbix running on Red Hat Enterprise Linux 5. Pretty interesting to see that there is a graph with all the values on the Y-axis as 3.26GB and still there is a trend on the graph. How many times did you get such graph

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Comments

• 08/29/2010, Tweets that mention Zabbix error’d — just for fun – Amit Agarwal -- Topsy.com writes: [...] This post was mentioned on Twitter by Amit Agarwal, Amit Agarwal. Amit Agarwal said: Zabbix error’d — just for fun http://bit.ly/aAGIIV [...]

Technorati Tags: Cartesian coordinate system, Combinatorics, Distributions, Linux, Math, Operating Systems, Red Hat, Zabbix