visio support comes to Linux with loads of new features of LibreOffice.

2012-03-17 1 min read Linux Uncategorized
Microsoft Visio 2010
Image via Wikipedia

LibreOffice 3.5 was released few days back with loads of features and improvements. Most bragged about feature should be capability to read visio diagrams. You can read the full list of features here. And here are some interesting features:

  • Better UI for header/footer handling. Easily add header or footers. Quickly see what is edited with new changing text boundaries. Quickly edit or remove headers and footers without going through page styles formatting. (Cédric Bosdonnat)
  • New faster built-in grammar checker for English and several other languages. (László Németh)
  • New multi-line input bar in Calc. The arrow-control at the end of the toolbar allows to switch this on/off.  (Anurag Jain, Noel Power)
  • Import filter for Microsoft Visio documents. (Fridrich Štrba, Eilidh McAdam, Valek Filippov)
  • Custom Shapes import was greatly enhanced, many bugs were fixed and new presets implementation added. (Radek Doulik)
  • and many more…
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cream bash ide – vim with bash support

2012-03-14 1 min read Fedora Linux Uncategorized

 

English: Screenshot of graphical vim (gvim) sh...
Image via Wikipedia

Here you can find the cream editor. This is basically vim editor with lots of customizations thus making it simpler for the users to use the editor directly.

This version already has the bash and perl support plugins and thus you can start using them as IDE without the need to add any plugins. It has a simple and advanced mode. In the simple mode you need not worry about all the modes of the vi/vim editor. How cool is that 🙂

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Setup your own RFC Editor for Linux.

2012-03-05 2 min read Fedora Learning Linux
Tux, the Linux penguin
Image via Wikipedia

Well, if you are a professional who has to keep referring to RFC, then you know how good it would be to have the RFC downloaded and kept in your computer. But then unless you can search it and use and editor with it, its of not much use. So, here is something  that you can do :

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Backup of files in the directory.

2011-12-01 2 min read Bash Learning Linux

I was working on some scripts and the changes that I was making in the scripts was very dynamic, which I did want to keep backing up in the version control system. But for the peace of my mind, I wanted to keep a copy of the scripts, whenever it was in working state.

Since I had multiple files, so it would make more sense to have a script that could copy all the files in the current directory to “old” directory without over-writing the existing files. So, I wrote a script that would postfix the files with a number. With this approach, finally what I had was the following:

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Linux hardware details.

2011-11-28 3 min read Bash Learning Linux

Here is one of the scripts that I found on the net while searching for something … Note the URL for the script in the Description.

#!/bin/bash -
#===============================================================================
#
#          FILE:  linux_hw.sh
#
#         USAGE:  ./linux_hw.sh
#
#   DESCRIPTION:  http://www.howtogeek.com/howto/solaris/get-the-processor-type-on-solaris/
#
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR: Amit Agarwal (aka), amit.agarwal@roamware.com
#       COMPANY: Roamware India Pvt Ltd
#       CREATED: 09/13/2011 03:57:34 PM IST
# Last modified: Sun Oct 30, 2011  04:59PM
#      REVISION:  ---
#===============================================================================

function linux_hw_CPU {
	typeset num=0
	typeset name=""
	typeset cores=""
	name="$( cat /proc/cpuinfo | awk -F: '
/vendor_id/ { vendor=$2 }
/model name/ { model=$2 }
/cpu MHz/ {
if( model ~ "Hz" ) {speed=""} else { speed=$2? MHz" };
print vendor, model, speed; }
		' | tail -1
	)"

        num=$(if [ -r /proc/vmware/cpuinfo ]; then awk '/pcpu/ { print NF-1 }' /proc/vmware/cpuinfo; else cat /proc/cpuinfo | grep processor| wc -l; fi)

	# ESX: mas info sobre logical/cores/packages
	if [ -r /proc/vmware/sched/ncpus ]
	then
		cores=$( echo $( cat /proc/vmware/sched/ncpus ) )
	fi

	echo $num $( echo "$name ($cores)" | enclose )
}

function enclose {
	tr -s " " | sed -e "s/^/\"/; s/$/\"/; s/\"\ /\"/; s/\ \"/\"/"
}

function linux_hw_CPU {

	typeset num=0
	typeset name=""
	typeset cores=""

	name="$(
		cat /proc/cpuinfo | awk -F: '
/vendor_id/ { vendor=$2 }
/model name/ { model=$2 }
/cpu MHz/ {
if( model ~ "Hz" ) {speed=""} else { speed=$2" MHz" };
print vendor, model, speed; }
		' | tail -1
	)"

	num=$(
		if [ -r /proc/vmware/cpuinfo ]
		then
			awk '/pcpu/ { print NF-1 }' /proc/vmware/cpuinfo
		else
			cat /proc/cpuinfo | grep processor| wc -l
		fi

	)

	if grep -q "physical id" /proc/cpuinfo || grep "siblings" /proc/cpuinfo
	then
		chip_count=$( grep "physical id" /proc/cpuinfo | sort -u | wc -l )
		chip_core=$( grep "siblings" /proc/cpuinfo | tail -1 | cut -d: -f2 )
		cores="($chip_count chips x $chip_core cores)"
	fi

	# Blades HP con
	if [ -x /sbin/hpasmcli ]
	then
		chip_name=$( /sbin/hpasmcli -s "SHOW SERVER" | grep "Name" | head -1 | cut -d: -f2 )
		chip_speed=$( /sbin/hpasmcli -s "SHOW SERVER" | grep "Speed" | head -1 | cut -d: -f2 )
		chip_core=$( /sbin/hpasmcli -s "SHOW SERVER" | grep "Core" | head -1 | cut -d: -f2 )
	fi

	# ESX: mas info sobre logical/cores/packages
	if [ -r /proc/vmware/sched/ncpus ]
	then
		cores="($( echo $( cat /proc/vmware/sched/ncpus ) ))"
	fi

	# Linux Itanium IA64
	if grep -q -i itanium /proc/cpuinfo
	then
		name="$(
		grep "vendor" /proc/cpuinfo | cut -d: -f2- | tail -1 ) $(
		grep "arch " /proc/cpuinfo | cut -d: -f2- | tail -1 ) $(
		grep "family" /proc/cpuinfo | cut -d: -f2- | tail -1 ) $(
		grep "cpu MHz" /proc/cpuinfo | cut -d: -f2- | cut -d. -f1 | tail -1 ) Mhz"

		chip_count=$( grep "physical id" /proc/cpuinfo | sort -u | wc -l )
		chip_core=$( grep "siblings" /proc/cpuinfo | tail -1 | cut -d: -f2 )
		cores="($chip_count chips x $chip_core cores)"
	fi

	echo $num $( echo "$name $cores" | enclose )
}

linux_hw_CPU
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quadkonsole – multiple consoles to make your life easier

2011-11-21 1 min read Fedora Linux

First lets install quadkonsole:

yum install quadkonsole

Now, to launch the quadkonsole, just type quadkonsole in the run box (appears with Alt+F2).

You will by default see 4 console windows in single window but you can change that with command line options like so:

quadkonsole --rows 4 --columns 4

This will initiate windows with 16 consoles. How cool is that.

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Add ssh key to remote host

2011-11-15 3 min read Bash Learning Linux Solaris

Example of tunnelling an X11 application over SSH
Image via Wikipedia

If you are working on recent versions of the *nix OS like Fedora or Ubuntu then you would know about the commad ssh-copy-id. But if you land up using one of the older versions like Solaris or something where the command is not present, then probably you need a simpler solution to this. One of the simplest solution is with a lot of assumtions, simply copy the id_rsa file to remote server and hope it works. And here is  a script to do just that:

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