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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Oracle Select the top 5 queries

2012-02-27 1 min read Database

Here are one sql script that I found some time back. This will be listing the top 5 SQL queries in Oracle.

SET linesize 300
SET PAGESIZE 200
select *
from
(select sql_text,
        sql_id,
        elapsed_time,
        cpu_time,
        user_io_wait_time
from    sys.v_$sqlarea
order by 5 desc)
where rownum < 6;
quit;
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Check out all the colors on you X window system.

2012-02-24 1 min read Fedora

If you ever wondered what combination of some colors would look like but did not really feel like setting them in your xterm just to check them out. Or if you wanted to know about all the colors on you X window system then you can install this utility called xcolorsel.

[xcolorsel][1]
xcolorsel

You will need to setup the rpm-shere repo for this.

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glances – Get a glimpse of the whole system

2012-02-21 1 min read Fedora

You would have used top at some point of time. Did you not wish that instead of just the processes it list all the vital statistics of the system as a whole. How good it would be to see the Memory, Net, Processes and Disk usage on the same screen. Well then you should take a look at glances. Here is how it looks:

[glances][1]
glances

For using this tool, here is what you need to do :

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xmlwf – Is your xml document well formed?

2012-02-18 1 min read Bash

There is a small nifty utility called xmlwf that can check your xml documents to see if they are well formed.

sudo yum install expat

Once installed, simply use :

xmlwf

Need more details, just check the man page 🙂

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