tag:blogger.com,1999:blog-8920836683341818578Sun, 08 Sep 2024 12:11:34 +0000linuxcomputer tips and trickstech guidesinternetwindows tips and trickselectronicsblogger how to's tips trickscOScomputernetworkingmiscwebdevelopmentComputer Networkingandroidguidesjavautilitiesblogger tricksData communicationsred5 media serverstreamingyoutube videosTechonicals is a tech tutorial on computer how to's tips and tricks, internet how to's, linux ubuntu, geek tips and tricks, linux how to's , Android, Java, computer networking, blogger tips and tricks, Electronics, C programming, operating systems and much more.http://techonicals.blogspot.com/noreply@blogger.com (Techonicals)Blogger311125tag:blogger.com,1999:blog-8920836683341818578.post-7993046324802021043Tue, 06 Oct 2015 08:20:00 +00002015-10-06T16:54:29.081+05:30Computer Networking Netstat is very useful utility for debugging network issues on linux.The following information can be obtained from netstat : route tables, ports open closed, interface details, Adress families as TCP, UDP &amp; Unix domain sockets. Well, to understand the output of the command can be a bit complex if you have not used it before. netstat needs to be run from root user. Below is the first http://techonicals.blogspot.com/2015/10/linux-command-to-list-which-ports-are.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-3224038264608316941Thu, 16 Apr 2015 04:45:00 +00002015-04-16T10:15:00.847+05:30Computer Networking Jperf is a GUI based utility using iperf commands in background. Download Jperf from here.&nbsp; To check the network speed between two machines, Jperf should be present on both the machines. You can either run the jperf.bat or jperf.sh depending on your OS. Suppose you want to test network speed between machine A and machine B. Run machine A as client and machine B as server or vice versa.http://techonicals.blogspot.com/2015/04/use-jperf-to-test-network-speed-between.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7808072769642597707Sun, 12 Apr 2015 04:45:00 +00002015-04-12T10:18:08.232+05:30Computer Networking A list of &nbsp;widely used commands for debugging and troubleshooting networks with very brief description. ifconfig&nbsp;&nbsp; ---for all interfaces ethtool -S eth0&nbsp; -----Link Status netstat -i&nbsp; ----- Link Status ifconfig -a&nbsp; ---- see MAC address ping&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; ------Test Network Connectivity telnet 192.168.1.102 22&nbsp;&nbsp; ------to Test Networkhttp://techonicals.blogspot.com/2015/04/commands-and-tools-for-network.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7365912407612684650Thu, 01 Jan 2015 13:59:00 +00002015-01-01T19:29:00.107+05:30Computer Networkinginternetlinux Iperf is an Open source network bandwidth testing application, available on Linux, Windows and Unix. Iperf can be used in two modes, client and server. The server runs on the remote host and listens for connections from the client. The client is where you issue the bandwidth test parameters, and connect to a remote server. You can install Iperf using apt-get on ubuntu. apt-get install iperf http://techonicals.blogspot.com/2015/01/test-your-network-speed-using-iperf.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-3364983565310011034Wed, 24 Dec 2014 09:09:00 +00002014-12-24T14:39:00.238+05:30linuxstreaming Flazr is a Java implementation of protocols such as RTMP used for multimedia streaming. The Flazr project includes a streaming media server and related utilities. Its a collection of streaming tools implemented in Java, which includes a RTMP client, a RTMP server and other utilities. It is available for both windows and linux. Flazr can do a stress testing on your rtmp streaming server. For http://techonicals.blogspot.com/2014/12/testing-rtmp-streaming-server-stress.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7182196486011005347Wed, 17 Dec 2014 08:49:00 +00002014-12-17T14:20:35.196+05:30webdevelopment A list of mostly all of the ffmpeg commands that can be used in daily use for conversion, creating images, editing videos . Read the post below for more details. Resize a video -s: switch to resize a video. ffmpeg -i input.mp4 -s 480x320 -c:a copy output.mp4 Convert video from one format to another ffmpeg -i flash_stream.flv -c:v libx264 converted.mp4 ffmpeg -i Wildlife.wmv -c:v libx264 http://techonicals.blogspot.com/2014/12/list-of-useful-and-most-common-commands.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7466827976807104176Thu, 06 Nov 2014 11:17:00 +00002015-09-30T12:36:42.088+05:30electronicslinux A difference table comparing zigbee and Wi-Fi. Detailed comparison between wifi and zigbee features wise. <!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin-top:0in; margin-right:0in; margin-bottom:10.0pt; margin-left:0in; line-height:115%; font-size:11.0pt; http://techonicals.blogspot.com/2014/11/comparison-between-zigbee-and-wi-fi.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-2333278561905064881Fri, 17 Oct 2014 07:59:00 +00002014-10-17T13:31:48.780+05:30 I faced this problem recently, when i had to monitor a service status on remote machine. I had a program in my local machine trying to access a remote port number. But unfortunately the port was blocked by the firewall. This could be solved by using SSH tunneling. &nbsp;# ssh -f username@remote -L 4668:remote:4557 –N This command sets the SSH tunnel for accessing port 4557 of remote server http://techonicals.blogspot.com/2014/10/setting-up-ssh-tunnel.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-4490110932613013774Wed, 01 Oct 2014 18:30:00 +00002014-10-02T00:00:00.772+05:30guidesinternettech guides Want to test multiple versions of Firefox without uninstalling the older versions, or without going through the process of installation and uninstallation. This is useful when you want to test applications with older or multiple versions of Firefox. You can install almost all versions of Firefox in one machine and launch them individually. Below are the steps to do the same. Firstly http://techonicals.blogspot.com/2014/10/install-mutiple-firefox-versions-in.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-4779678276993569009Sun, 21 Sep 2014 05:52:00 +00002014-09-21T11:22:00.053+05:30computer tips and tricks You will see this error probably because the filezilla erver needs to support opening files in shared mode &amp; it has a setting for it. Set this option in Filezilla server as below. Go to Edit &gt; Settings &gt; Miscellaneous &gt; Allow downloading of files which are open for writing another process Now you will be able to copy files opened in another session without error. http://techonicals.blogspot.com/2014/09/solving-550-cannot-access-file-error.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-6359936489519372638Wed, 17 Sep 2014 05:33:00 +00002014-09-17T11:03:07.201+05:30computer tips and trickstech guides Generate a sdp stream using VLC. Follow the steps below to do so. I have tested this with the vlc release 1.0.5 Golden Eye. For more understanding on sdp follow this wiki link. Creating a stream using GUI. 1. Create one rtp stream through VLC(1.0.5 golden eye).2. rtp://230.124.124.10:40003. Audio port:1, Video Port: 14. Disable Active transcoding5. Profile: Videohttp://techonicals.blogspot.com/2014/09/generating-sdp-file-for-rtp-streaming.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-8324208660583379925Fri, 20 Jun 2014 10:04:00 +00002014-06-20T15:34:00.055+05:30computer tips and trickslinuxtech guideswindows tips and tricks Here are some ports of common GNU utilities to native Win32. In this context, native means the executables do only depend on the Microsoft C-runtime (msvcrt.dll) and not an emulation layer like that provided by Cygwin tools. Download the zip file from the below location. Unix Utilities in windows Extract and run the commands from CMD by navigating to the location of extracted folder. Orhttp://techonicals.blogspot.com/2014/06/some-of-most-common-gnu.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-1197519633243977065Tue, 17 Jun 2014 04:26:00 +00002014-06-17T09:56:00.021+05:30computer tips and trickstech guides Before going to the solution, just a note tutorial who doesn't know that youtube videos can be played in VLC media player. Well it wasn't declared or promoted, at the time of initial releases, but it's there: So use below steps to play any youtube stream directly into VLC.(You can also save youtube videos from VLC). 1). Click File.2). Choose "Open Network Stream," 3). Paste in the main YouTube http://techonicals.blogspot.com/2014/06/solution-to-youtube-videos-not-playing.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-2669385211187439299Sun, 15 Jun 2014 04:07:00 +00002014-06-15T09:37:48.082+05:30Computer Networkinginternetlinux Netcat is described as being a "feature-rich network debugging and exploration tool". It can be obtained from Source Forge, or it may already be available in your distribution. To check the netcat installation in your linux, Use below commands. #which nc&nbsp; #/usr/bin/nc &nbsp; To set up our test, we'll use two machines, one to listen for a connection, and one to connect and send the http://techonicals.blogspot.com/2014/06/how-to-check-network-speed-between-two.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-3573138287654675680Tue, 27 May 2014 07:08:00 +00002014-05-27T12:42:33.217+05:30computer tips and tricksguidesinternet Here is a simple and short step wise guide for installing web player VLC plugin for Mozilla Firefox. Step1 : Download VLC version 2.1.3 Windows : 32 bit : download 64 bit : download Step2 : After downloading, run the installation program (if not started automatically) from where you downloaded. Note : please tick mozilla / firefox plugin and ActiveX plugin : Step3 : At the end of the http://techonicals.blogspot.com/2014/05/how-to-install-vlc-plugin-for-firefox.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-1436244983606141197Thu, 17 Apr 2014 18:29:00 +00002014-04-17T23:59:00.595+05:30computer tips and trickscomputernetworkinglinux Mostly VPS don't come with GUI, but what if you want GUI desktop and want to enable it in your hosted VPS. Here is a method to do that using VNC server. Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. Using VNC &nbsp;you can connect to GUI hosted on your for easy remote management. http://techonicals.blogspot.com/2014/04/how-to-installenable-gui-on-debian-vps.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-745560180123522035Tue, 15 Apr 2014 09:17:00 +00002014-04-15T15:17:45.773+05:30computer tips and tricksguidestech guideswindows tips and tricks How to Reset Your Forgotten Windows Password the Easy Way Forgetting your password is never any fun, but luckily there’s a really easy way to reset the password. All you need is a copy of the Windows installation disk and one simple command line trick. Resetting Your Forgotten Windows Password Boot off the Windows disk and select the “Repair your computer” option from the lower http://techonicals.blogspot.com/2014/04/how-to-reset-your-forgotten-windows.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-318186473088568516Sun, 22 Dec 2013 02:00:00 +00002013-12-22T07:30:03.831+05:30blogger how to's tips tricksblogger tricks Adding a Google transcript gadget in you blog page, to make your blog or site view-able in all languages. Here's the script to add google translate script you want to add in you blogger. So that your blog is available to all viewers from all countries. Sign in to your blogger account. Go to design or dashboard of your blog Select layout from left side menu Just click on "add a gadget" http://techonicals.blogspot.com/2013/12/how-to-add-google-translate-gadget.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7503806380400036035Thu, 19 Dec 2013 02:30:00 +00002013-12-19T08:00:02.165+05:30linux Displaying line numbers in vi / vim text editors can be very helpful for debugging code errors and to improve overall viewing of a program or a file. vi / vim show line number command To display line numbers along the left side of a window, type any one of the following: :set number or :set nu To turn off line number again enter the same command: :set nu! If you need number every time you http://techonicals.blogspot.com/2013/12/how-to-display-line-numbers-in-vivim.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-2261903714443225713Tue, 17 Dec 2013 04:44:00 +00002013-12-17T10:14:29.726+05:30guidesyoutube videos Below are some very simple steps to get and download videos from YouTube. That too without using any Youtube video down-loader or any such thing. There are a lot of tools and converters, online applications available to download videos from YouTube. &nbsp; You will just need the YouTube video link and VLC media player, which is most commonly used for playing videos on desktop. But there is a http://techonicals.blogspot.com/2013/12/download-videos-from-youtube-without.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-833620237244080742Sat, 14 Dec 2013 07:29:00 +00002013-12-14T14:30:37.293+05:30guidesred5 media server Recently I was installing a Red5 media server. And to my surprise came across, that by default red5 installation doesn't support PHP. And as it is ran by tomcat, so we need to make tomcat to handle PHP. There is a tutorial available guiding you to recompile Tomcat with PHP-handling. A little Complex&nbsp; thing to go with just to enable PHP.&nbsp; Well there's a rescuer&nbsp; -- http://techonicals.blogspot.com/2013/12/enabling-php-with-red5-open-source.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-3028429057670353244Mon, 15 Apr 2013 06:16:00 +00002013-12-14T14:19:21.460+05:30tech guides There is a ' about:memory ' url many of us know. There's more about: URI scheme options in Firefox and came across an addon which adds an “about:me” URL. This addon, "about:me", makes use of the browsing and downloading history data to give our browser usage pattern a visual representation through graphs and pie charts. Its very useful if u want to know out the usage of our firefox. You canhttp://techonicals.blogspot.com/2013/04/addon-in-firefox-to-map-your-internet.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-7862536584121221061Fri, 29 Mar 2013 07:04:00 +00002013-12-14T14:19:21.563+05:30tech guides An extension to save files directly to Google Drive in one click. Imagine a Hard Drive extended for you from your computer within. This post talks about same using Google Drive as your extended hard disc. It comes as a extension ans so has become more as a local hard drive to your computer.It is a extension available for google chrome and a n official one from Google itself. It is handy as it http://techonicals.blogspot.com/2013/03/save-files-and-images-directly-to.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-4077656477592159974Thu, 28 Mar 2013 06:21:00 +00002013-12-14T14:19:21.474+05:30tech guides This article is about searching you queries directly from the address bar. And this will search into the default search engine set for your browser displaying the results page for the default search engine. A step wise guide for setting up default search engine in Mozilla firefox. In your address bar, type in: “about:config” (if you doing it for the first time, you may have to promise http://techonicals.blogspot.com/2013/03/changing-default-search-engine-in.htmlnoreply@blogger.com (Techonicals)tag:blogger.com,1999:blog-8920836683341818578.post-2408024256788501063Wed, 27 Mar 2013 05:55:00 +00002013-03-27T12:36:07.845+05:30linux If your file is too lengthy, and it is a specific line you are interested&nbsp; then you surely will like this commands to work with. This commands will let you display line numbers in files. &nbsp;cat command &nbsp;nl command - Display each FILE to standard output (screen), with line numbers added. Gnu&nbsp;less command - Less is a program similar to more , but which allows http://techonicals.blogspot.com/2013/03/how-to-add-line-numbers-to-files-in.htmlnoreply@blogger.com (Techonicals)