Friday, 9 March 2012
Being Away and Back In All IRC Chans At Once [XChat Tip]
Hi everybody, one friend of mine asked me today if he could mark himself as away at once in all the open servers and he was using the XChat IRC client in mint and I quickly remembered the allserv and allchanl commands. So here I am sharing the quick tip on how you can mark yourself away in all the open IRC channels at once in XChat IRC client.
XChat provides two commands allserv and allchanl that can be used to run any specified command for all the open IRC servers and IRC channels of currently selected server respectively. The syntax is very simple as below:
The first command i.e. allserv allows to run any IRC command in all servers you have open currently. So if you want to mark yourself away, all you have to use is away command in conjunction with allserv command(fyi, away syntax is /away Reason for being away), type the command as below:
Once you come back and do not need to be marked as away in all servers, enter the command as below:
The above allserv example is for marking you as away for all the servers. What if you want to mark yourself as away in all the channels of currently selected server? Don't worry, xchat offers allchanl for this very purpose. See the examples below using this command.
Set yourself away:
Set yourself no longer away:
I hope these information help you. :)
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XChat provides two commands allserv and allchanl that can be used to run any specified command for all the open IRC servers and IRC channels of currently selected server respectively. The syntax is very simple as below:
/allserv <cmd>
The first command i.e. allserv allows to run any IRC command in all servers you have open currently. So if you want to mark yourself away, all you have to use is away command in conjunction with allserv command(fyi, away syntax is /away Reason for being away), type the command as below:
/allserv away Brb Breakfast time
Once you come back and do not need to be marked as away in all servers, enter the command as below:
/allserv back
The above allserv example is for marking you as away for all the servers. What if you want to mark yourself as away in all the channels of currently selected server? Don't worry, xchat offers allchanl for this very purpose. See the examples below using this command.
Set yourself away:
/allchanl away Brb Breakfast time
Set yourself no longer away:
/allchanl back
I hope these information help you. :)
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Monday, 5 March 2012
NTC Now Offering Bill Payments From MPoS & Pre-paid Recharge Cards
The leading telecommunication company Nepal Doorsanchar Company Limited commonly known as Nepal Telecom is now offering its customer the ability to pay the bills for post-paid, land-line telephone and ADSL services by using its pre-paid recharge card or MPoS. Now the nepal telecom users can make use of MPoS(Mobile Point of Solution) system to clear their bills. Thus there will be no more need of waiting for your turn in the telecom counters and no need to face the sluggish and irritating telecom workers :D(happened to me in Banepa) for clearing the bills for these common telecom services.
Nepal telecom allows its customers to use both namaste pre-paid recharge card and MPoS technology to pay the bills of GSM post-paid, PSTN(landline) and ADSL services. With these methods, you can pay from Rs. 100 to at most Rs. 1000 at once as per your necessity.
Follow one of the below stated methods to pay your bills:
From IVR(Interactive Voice Response): Dial 1413 and follow the instructions for bill payments.
From USSD i.e. pre-paid recharge card: Buy the amount of recharge chard of your choice/necessity and dial *411*Pin No.*10# from your GSM post-paid mobile.
From MPoS Technology: Go to your Nearest MPoS retailer and get the payment done by providing your GSM post-paid mobile number, PSTN number or corresponding ADSL number. For the list of MPoS retailer, visit this link.
Also, you can verify your payments and it is recommended you check the payment status before and after doing the payment. Following are the procedures for verifying your payment:
GSM post-paid: Send new message to 1400 by typing cb.
PSTN: Dial 1606 and get your payment information from IVR.
ADSL (Unlimited and Volume Based Service): You can view your payment details by going to www.ntc.net.np/internet/adsl. Open the above URL to access online Customer Care Interface and login to the system with your login details.
I hope this post counts useful for you. :)
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Nepal telecom allows its customers to use both namaste pre-paid recharge card and MPoS technology to pay the bills of GSM post-paid, PSTN(landline) and ADSL services. With these methods, you can pay from Rs. 100 to at most Rs. 1000 at once as per your necessity.
Follow one of the below stated methods to pay your bills:
From IVR(Interactive Voice Response): Dial 1413 and follow the instructions for bill payments.
From USSD i.e. pre-paid recharge card: Buy the amount of recharge chard of your choice/necessity and dial *411*Pin No.*10# from your GSM post-paid mobile.
From MPoS Technology: Go to your Nearest MPoS retailer and get the payment done by providing your GSM post-paid mobile number, PSTN number or corresponding ADSL number. For the list of MPoS retailer, visit this link.
Also, you can verify your payments and it is recommended you check the payment status before and after doing the payment. Following are the procedures for verifying your payment:
GSM post-paid: Send new message to 1400 by typing cb.
PSTN: Dial 1606 and get your payment information from IVR.
ADSL (Unlimited and Volume Based Service): You can view your payment details by going to www.ntc.net.np/internet/adsl. Open the above URL to access online Customer Care Interface and login to the system with your login details.
I hope this post counts useful for you. :)
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Wednesday, 29 February 2012
Tuesday, 28 February 2012
Reloading The Page Using Javascript
If you wish to put a nice little Reload this page link in your page, the javascript provides a reload() method that you can use for reloading the page.
The reload() method in window.location can be used to reload the page and works well in most of the browsers. An example snippet is shown below:
I hope this comes useful sometimes.
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The reload() method in window.location can be used to reload the page and works well in most of the browsers. An example snippet is shown below:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Reload example</title> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> <meta name="generator" content="Geany 0.20" /> </head> <body> <iframe height="300" width="300" src="http://wwwindow.location.reload(true)w.google.com"></iframe> <a href="javascript:window.location.reload(true);">Reload this page</a>. </body> </html>
I hope this comes useful sometimes.
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List of Hashing Algorithms Used In Major CMS & Forums
Just found this random image from one digital friend and its a pretty good list of hashing algorithms used in many web based applications such as CMS and forum softwares. Some of these algorithms might get outdated with newer versions, but still it will be a good reference.
View Full Size Image
Note for creator: If you are the owner of this image, please let me know so that I can give you the credit.
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View Full Size Image
Note for creator: If you are the owner of this image, please let me know so that I can give you the credit.
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Tuesday, 21 February 2012
Remove EXIF Data From Pictures Using Linux Terminal [How To]
Exchangeable image file format (Exif) is a standard that specifies the formats for images, sound, and ancillary tags used by digital cameras (including smartphones), scanners and other systems handling image and sound files recorded by digital cameras.
Taken from wikipedia, above information says basically what the EXIF data is. Such EXIF data are usually found in JPEG and TIFF images and much deeper information is given by wikipedia. Now that you understand what EXIF data is, we will now see how we can remove EXIF data.
We like to remove the EXIF data to hide what the picture was build or taken with. For example, a photographer would like to remove the EXIF data after doing some photoshop stuffs on the image so that high-tech people would not find any EXIF presence of photoshop. (This is just an example).
The tool we will be using to remove EXIF data is not other than a part of ImageMagick package, mogrify. So we will use the mogrify command to remove or strip out the EXIF data from the image and then we will see how we can strip EXIF data from multiple files at once.
To strip EXIF from an image, type the following command:
Now, to strip EXIF from folder containing several images, type the following command:
Or use the for loop as below:
I hope this helps you. :)
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Taken from wikipedia, above information says basically what the EXIF data is. Such EXIF data are usually found in JPEG and TIFF images and much deeper information is given by wikipedia. Now that you understand what EXIF data is, we will now see how we can remove EXIF data.
We like to remove the EXIF data to hide what the picture was build or taken with. For example, a photographer would like to remove the EXIF data after doing some photoshop stuffs on the image so that high-tech people would not find any EXIF presence of photoshop. (This is just an example).
The tool we will be using to remove EXIF data is not other than a part of ImageMagick package, mogrify. So we will use the mogrify command to remove or strip out the EXIF data from the image and then we will see how we can strip EXIF data from multiple files at once.
To strip EXIF from an image, type the following command:
mogrify -strip IMAGE_NAME.JPG
Now, to strip EXIF from folder containing several images, type the following command:
find ~/Desktop/test/ -name '*.jpg' | xargs mogrify -strip
Or use the for loop as below:
for i in ~/Desktop/test/*.JPG; do mogrify -strip $i; done
I hope this helps you. :)
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Sunday, 19 February 2012
Delete All X-Chat Logs From Ubuntu
If you want to clear all the channel and personal chat logs from the X-Chat, this is a small piece of information on how to do that. In this example, I am showing how to delete the X-chat log in ubuntu and similar distributions.
Well I connect to IRC channels so often using X-chat gnome client that my chat windows are usually filled up with older chats. Also, for some unknown reason, unchecking Log Conversations checkbox in the Edit - Preferences is not working for me. And I usually hate the old chat logs coming up and of course, due to privacy concerns, I regularly delete the channel logs of X-Chat. All the chat logs in x-chat2 are recorded in the ~/.xchat2/scrollback/ folder with network names as the sub folders. So to delete the logs, all you have to do is use the rm command as below:
This will delete all the chat logs but in case you want to delete logs of specific networks or channel or user, just navigate to the scrollback directory and choose the network you wish to delete and issue the rm command for that network.
*Note: This little FYI guide was written by taking the version I've as the reference. Your version could even have the option for clearing the logs but I'm not aware of any such functionality in my version. I hope this helps :)
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Well I connect to IRC channels so often using X-chat gnome client that my chat windows are usually filled up with older chats. Also, for some unknown reason, unchecking Log Conversations checkbox in the Edit - Preferences is not working for me. And I usually hate the old chat logs coming up and of course, due to privacy concerns, I regularly delete the channel logs of X-Chat. All the chat logs in x-chat2 are recorded in the ~/.xchat2/scrollback/ folder with network names as the sub folders. So to delete the logs, all you have to do is use the rm command as below:
rm -rf ~/.xchat2/scrollback/*
This will delete all the chat logs but in case you want to delete logs of specific networks or channel or user, just navigate to the scrollback directory and choose the network you wish to delete and issue the rm command for that network.
*Note: This little FYI guide was written by taking the version I've as the reference. Your version could even have the option for clearing the logs but I'm not aware of any such functionality in my version. I hope this helps :)
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Friday, 17 February 2012
5 Cool and Useful Linux Command Line Tricks
Well using linux is fun and working on linux terminal is even more fun. Learning to use linux terminal and commands can prove very useful for personal as well as enterprise purpose. Today I'm going to talk about few cool and crazy linux commands that are less likely to be known by the average computer user.
1) The !$ trick: The !$ is a type of event designator that is present in bash as the feature. I'm not sure if other shells support it but bash does, for sure(I heard event designators are bash-specific). Anyway, !$ saves the last string from the previous command you've entered. The session in bash below shows what it actually does:
So when we give the mkdir test command, the !$ holds the value test So when we do cd !$, !$ is replaced by the string test which is the last string in last entered command.
2) The Don't Save This Command trick: Prepending your command with one or more space(<space>command) will not save the command in the bash history. This trick can be quite useful while doing password related stuffs and while sneaking in your friend's laptop.
3) The Oh! I forgot sudo trick: Well this is one of my favorite tricks and I named it so because I tend to forget to put sudo while running many commands and then I use this trick to prepend sudo at the beginning of the command. Below is the session when I used this trick recently.
As shown above, the !! is just another event designator. The !! actually holds the last used command and this can be alternatively specified as !-1. The !-1 version can be actually generalized to traverse back to history i.e. you can get any command in your history by using !-n convention.
4) The Clean up Terminal trick: Sometimes you open the binary and gibberish data and your terminal looks so ugly and needs some cleanup. In such cases, the command reset can be used which actually does is initialize the terminal.
5) Run previous command by replacing one string with another: Using the syntax ^abc^xyz^, you can run the previous command by replacing the string abc by the string xyz. The example below shows how I used the cat command after using the ls command. Its just an example, you could really make use of this trick for longer commands.
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1) The !$ trick: The !$ is a type of event designator that is present in bash as the feature. I'm not sure if other shells support it but bash does, for sure(I heard event designators are bash-specific). Anyway, !$ saves the last string from the previous command you've entered. The session in bash below shows what it actually does:
samar@Techgaun:~/Desktop$ mkdir test
samar@Techgaun:~/Desktop$ cd !$
cd test
samar@Techgaun:~/Desktop/test$
samar@Techgaun:~/Desktop$ cd !$
cd test
samar@Techgaun:~/Desktop/test$
So when we give the mkdir test command, the !$ holds the value test So when we do cd !$, !$ is replaced by the string test which is the last string in last entered command.
2) The Don't Save This Command trick: Prepending your command with one or more space(<space>command) will not save the command in the bash history. This trick can be quite useful while doing password related stuffs and while sneaking in your friend's laptop.
3) The Oh! I forgot sudo trick: Well this is one of my favorite tricks and I named it so because I tend to forget to put sudo while running many commands and then I use this trick to prepend sudo at the beginning of the command. Below is the session when I used this trick recently.
samar@Techgaun:~$ cat /etc/sudoers
cat: /etc/sudoers: Permission denied
samar@Techgaun:~$ sudo !!
sudo cat /etc/sudoers
[sudo] password for samar:
*** Content Snipped to preserve length ***
cat: /etc/sudoers: Permission denied
samar@Techgaun:~$ sudo !!
sudo cat /etc/sudoers
[sudo] password for samar:
*** Content Snipped to preserve length ***
As shown above, the !! is just another event designator. The !! actually holds the last used command and this can be alternatively specified as !-1. The !-1 version can be actually generalized to traverse back to history i.e. you can get any command in your history by using !-n convention.
4) The Clean up Terminal trick: Sometimes you open the binary and gibberish data and your terminal looks so ugly and needs some cleanup. In such cases, the command reset can be used which actually does is initialize the terminal.
5) Run previous command by replacing one string with another: Using the syntax ^abc^xyz^, you can run the previous command by replacing the string abc by the string xyz. The example below shows how I used the cat command after using the ls command. Its just an example, you could really make use of this trick for longer commands.
samar@Techgaun:~/Desktop$ ls /etc/hosts
/etc/hosts
samar@Techgaun:~/Desktop$ ^ls^cat^
cat /etc/hosts
/etc/hosts
samar@Techgaun:~/Desktop$ ^ls^cat^
cat /etc/hosts
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