Linux and Photography Blog

procmail filters – apply to received mails.

Amit Agarwal — Fri, 24 May 2013 00:58:51 +0000

If you already have some mail in your maildir and you have set procmail filters, then it is difficult to apply the procmail filter, right? Not so, you just need to go to the Inbox directory and then execute the command. for i in *; do cat $i|procmail; rm -f "$i"; done This will pass… Continue reading →

procmail filters – apply to received mails. was first posted on May 24, 2013 at 6:28 am.
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quick notepad in firefox.

Amit Agarwal — Mon, 20 May 2013 00:53:57 +0000

If you quickly need to note something and you do not want to leave your browser then just add a bookmark to : data:text/html, <html contenteditable> and whenever you need to get the notepad, just open this bookmark. Sorry, I do not remember, where I got this from, but this is something that I did… Continue reading →

quick notepad in firefox. was first posted on May 20, 2013 at 6:23 am.
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Vim – Why and where am I getting these errors from?

Amit Agarwal — Wed, 15 May 2013 01:47:13 +0000

If you have got this question in your mind, then you are in right place. vim -V20 2>&1 |tee You can give the debugfile as any file, where you would want to log the debug messages. This will log a lot of information in the debugfile, you can open the file, once you have got… Continue reading →

Vim – Why and where am I getting these errors from? was first posted on May 15, 2013 at 7:17 am.
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Fedora – Ramdisk creation

Amit Agarwal — Fri, 10 May 2013 00:40:07 +0000

In Fedora, ramdisks are not created by default as is the case with RHEL. So, if you need to get Ramdisks on Fedora, then you can do this: sudo yum install MAKEDEV This will create some default Ramdisk’s in the “/dev” directory. Now, if you need to change anything then feel free to go to… Continue reading →

Fedora – Ramdisk creation was first posted on May 10, 2013 at 6:10 am.
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Manage your servers the easy way with perl script over ssh with no remote client.

Amit Agarwal — Mon, 06 May 2013 01:16:23 +0000

For a long time I have not posted any script. So, its not that I have not written anything new, but just that did not put them here in lack of time. So, here is one interesting one. The original idea came from one posted in one of the interesting blog here. But the problem… Continue reading →

Manage your servers the easy way with perl script over ssh with no remote client. was first posted on May 6, 2013 at 6:46 am.
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cksum – compare for multiple files.

Amit Agarwal — Tue, 30 Apr 2013 01:15:30 +0000

If you have to compare cksum for couple of files, the you know how cumbersome it is. So, I wrote a simple script, wherein you can create a file called cksums in the current directory and copy paste the result of “cksums *“ into this file, and then run this script. Cool #!/bin/bash - #===============================================================================… Continue reading →

cksum – compare for multiple files. was first posted on April 30, 2013 at 6:45 am.
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configure firewall – the easy way.

Amit Agarwal — Wed, 24 Apr 2013 00:50:17 +0000

It is good practice to keep iptables/firewall enabled. But configuring it is difficult, do you agree. Not any more Install firewall-config sudo yum install firewall-config This will install a GUI application, which you can run with “Firewall” application in the dash or with “firewall-config” in terminal. It is pretty straight forward to use this tool,… Continue reading →

configure firewall – the easy way. was first posted on April 24, 2013 at 6:20 am.
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sendmail or sending mail

Amit Agarwal — Fri, 19 Apr 2013 01:35:01 +0000

If you want to use sendmail so that you can send all your mails from the local system to your email address, then you have to use sendmail. Now, configuring sendmail has never been that easy and if you are working internally on your corporate network then for sending mails to the same domain, generally… Continue reading →

sendmail or sending mail was first posted on April 19, 2013 at 7:05 am.
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IE8 – Developer Tools

Amit Agarwal — Mon, 15 Apr 2013 01:31:20 +0000

Don’t start banging me for this, but I had to test something on Windows and thus found out this. I f you need to debug or test something on IE8 on Windows, then you can simply press “F12” and this will bring up the developer tools… could be useful to you, sometime if you are… Continue reading →

IE8 – Developer Tools was first posted on April 15, 2013 at 7:01 am.
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ss – anothre utility to investigate sockets.

Amit Agarwal — Thu, 11 Apr 2013 01:42:04 +0000

ss is : ss is used to dump socket statistics. It allows showing information similar to netstat. It can display more TCP and state informationsthan other tools. This comes in iproute package in Fedora. So, to install this you would need to install “iproute” if not installed already. sudo yum install iproute Now, once… Continue reading →

ss – anothre utility to investigate sockets. was first posted on April 11, 2013 at 7:12 am.
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