Most useful websites list

1.      goo.gl – shorten long URLs and convert URLs into QR codes.

2.     bing.com/images – automatically find perfectly-sized wallpapers for mobiles.

3.     boxoh.com – track the status of any shipment on Google Maps – alternative.

4.     bubbl.us – create mind-maps, brainstorm ideas in the browser.

5.     builtwith.com – find the technology stack to know everything about a website.

6.     codeacademy.com – the best place to learn coding online.

7.     copypastecharacter.com – copy special characters that aren’t on your keyboard.

8.     coralcdn.org – if a site is down due to heavy traffic, try accessing it through coral CDN.

9.     ctrlq.org/html-mail – send rich-text mails to anyone, anonymously.

10. ctrlq.org/screenshots – for capturing screenshots of web pages on mobile and desktops.

11. ctrlq.save – save online files to Dropbox or Google Drive directly.

12. ctrql.rss – a search engine for RSS feeds.

13. deadurl.com – you’ll need this when your bookmarked web pages are deleted.

14. dictation.io – online voice recognition in the browser itself.

15. disposablewebpage.com – create a temporary web page that self-destruct.

16. downforeveryoneorjustme.com – find if your favorite website is offline or not?

17. draw.io – create diagrams and flowcharts in the browser, export your drawings to Google Drive and Dropbox.

18. e.ggtimer.com – a simple online timer for your daily needs.

19. everytimezone.com – a less confusing view of the world time zones.

20. ewhois.com – find the other websites of a person with reverse Analytics lookup.

21. faxzero.com – send an online fax for free – see more fax services.

22. feedmyinbox.com – get RSS feeds as an email newsletter.

23. fiverr.com – hire people to do little things for $5.

24. flightstats.com – Track flight status at airports worldwide.

25. followupthen.com – the easiest way to setup email reminders.

26. formspring.me – you can ask or answer personal questions here.

27. ge.tt – qiuckly send a file to someone, they can even preview it before downloading.

28. goo.gl – shorten long URLs and convert URLs into QR codes.

29. google.com/history – see your past searches, also among most important Google URLs

30. google.com/webfonts – a good collection of open source fonts.

31. gtmetrix.com – the perfect tool for measuring your site performance online.

32. homestyler.com – design from scratch or re-model your home in 3d.

33. hundredzeros.com – the site lets you download free Kindle books.

34. iconfinder.com – find icons of all sizes.

35. ifttt.com – create a connection between all your online accounts.

36. imo.im – chat with your buddies on Skype, Facebook, Google Talk, etc. from one place.

37. iwantmyname.com – helps you search domains across all TLDs.

38. join.me – share you screen with anyone over the web.

39. jotti.org – scan any suspicious file or email attachment for viruses.

40. kleki.com – create paintings and sketches with a wide variety of brushes.

41. kuler.adobe.com – get color ideas, also extract colors from photographs.

42. labnol.org – software tutorials and how-to guides.

43. liveshare.com – share your photos in an album instantly.

44. livestream.com – broadcast events live over the web, including your desktop screen.

45. lmgtfy.com – when your friends are too lazy to use Google on their own.

46. lovelycharts.com – create flowcharts, network diagrams, sitemaps, etc.

47. mailvu.com – send video emails to anyone using your web cam.

48. marker.to – easily highlight the important parts of a web page for sharing.

49. midomi.com – when you need to find the name of a song.

50. minutes.io – quickly capture effective notes during meetings.

51. mixlr.com – broadcast live audio over the web.

52. mondrian.io – create vector drawings in the browser

53. myfonts.com/WhatTheFont – quickly determine the font name from an image.

54. noteflight.com – print music sheets, write your own music online (review).

55. notes.io – the easiest way to write short text notes in the browser.

56. office.com – download templates, clipart and images for your Office documents.

57. onlineocr.net – recognize text from scanned PDFs – see other OCR tools.

58. otixo.com – easily manage your online files on Dropbox, Google Docs, etc.

59. pancake.io – create a free and simple website using your Dropbox account.

60. pdfescape.com – lets you can quickly edit PDFs in the browser itself.

61. picmonkey.com – Picnik is offline but PicMonkey is an even better image editor.

62. pipebytes.com – transfer files of any size without uploading to a third-party server.

63. polishmywriting.com – check your writing for spelling or grammatical errors.

64. printwhatyoulike.com – print web pages without the clutter.

65. privnote.com – create text notes that will self-destruct after being read.

66. qClock – find the local time of a city using Google Maps.

67. radbox.me – bookmark online videos and watch them later (review).

68. random.org – pick random numbers, flip coins, and more.

69. regex.info – find data hidden in your photographs – see more EXIF tools.

70. safeweb.norton.com – check the trust level of any website.

71. scr.im – share you email address online without worrying about spam.

72. screenr.com – record movies of your desktop and send them straight to YouTube.

73. scribblemaps.com – create custom Google Maps easily.

74. seatguru.com – consult this site before choosing a seat for your next flight.

75. similarsites.com – discover new sites that are similar to what you like already.

76. snopes.com – find if that email offer you received is real or just another scam.

77. spypig.com – now get read receipts for your email.

78. stupeflix.com – make a movie out of your images, audio and video clips.

79. sumopaint.com – an excellent layer-based online image editor.

80. tagmydoc.com – add QR codes to your documents and presentations (review).

81. talltweets.com – Send tweets longer than 140 characters.

82. teuxdeux.com – a beautiful to-do app that looks like your paper dairy.

83. timerime.com – create timelines with audio, video and images.

84. tinychat.com – setup a private chat room in micro-seconds.

85. translate.google.com – translate web pages, PDFs and Office documents.

86. tubemogul.com – simultaneously upload videos to YouTube and other video sites.

87. typewith.me – work on the same document with multiple people.

88. typingweb.com – master touch-typing with these practice sessions.

89. unfurlr.come – find the original URL that’s hiding behind a short URL.

90. unsplash.com – download images absolutely free.

91. urbandictionary.com – find definitions of slangs and informal words.

92. wetransfer.com – for sharing really big files online.

93. whichdateworks.com – planning an event? find a date that works for all.

94. whoishostingthis.com – find the web host of any website.

95. wolframalpha.com – gets answers directly without searching   – see more wolfram tips.

96. woorank.com – research a website from the SEO perspective.

97. wordle.net – quick summarize long pieces of text with tag clouds.

98. youtube.com/disco – quickly create a video playlist of your favorite artist.

99. youtube.com/leanback – Watch YouTube channels in TV mode.

100.                    zerodollarmovies.com – find full-length movies on YouTube.

101.                    zoom.it – view very high-resolution images in your browser without scrolling.

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ACTIVE DIRECTORY DOMAIN SERVICE

ACTIVE DIRECTORY DOMAIN SERVICE
It is a centralized database management system that store information about   user,computer,groups,printers,security settings,server configuration,Network infrastructure configuration and so on centrally.

#Directory service(DS):-Developed by IETF.
Directory service define the relationship between two object in any manner.It use protocol called LDAP (Lightweight directory access protocol) port no 389.
 #AD DS has following features:-

• It manages user logon process,authentication and directory searches.
• It manages the communication between user and domains.
• It stores directory data (called directory store), also AD DS has a mechanism to locate and retrieve information from the system.
• By using AD DS, we can implement a centralized control all the available resources (like user, computers and data access) inside the company.
• Server running AD DS is called as domain controler.

#Component of AD DS:-

#Forest:-

• It is a grouping or hierarchical arrangement of one or more separate independent domain trees.
• It has highest level in the Active Directory.
• It is the logical security boundary for an Enterprise.
• It shares the sinfle database and a single global address list.
• It contains one or more domain container objects like Directory Structure,Global Catalog and Directory Schema etc.
• A forest contains multiple domain trees.The first domain in the forest is called as a Forest Root Domain.
• By default a user or administrator of one forest cannot access another forest.

#Domain:-

• It is logical security boundary that store information about user,group,computer,printer etc.
• It have a fully Qualified domain name(FQDN)  that identified a domain name in enterprise network.
• A Domain is managed by a physical machine known as Domain controller.
• A domain managed by a domain controller is used to provide authentication service and authorization for the objects stored in its database.
• All domain controllers hold a copy of the domain database, this domain database is continuously synchronized.

#Domain Tree:-

• Two or more Domains that share common schema and global catalog.
• It is a collection of domains grouped together in a hierarchical structure.
• Domain tree support parent-child concept(parent domain and child domain)
• It contains Namespace like enhanceofit.com(parent domain) and delhi.enhanceofit.com(child domain of parent).