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How to calculate uptime/downtime % May 27, 2009

Filed under: Linux & OpenSource,Solaris/Unix,Windows — asriey @ 12:56 am
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The formula used in this calculation D/T x 100. D=total downtime in minutes. T=total time in minutes. For example, i need to know the % downtime for last month where the downtime recorded for last month is 4 hrs.

(4 x 60) / ((30 x 24)  x 60) x 100 so we get the downtime. so (240 / 43200) x 100 should get 0.555555556. Uptime will be 100 – 0.555555556=99.444444444%.


Fedora 7 Installation October 18, 2007

Filed under: Linux & OpenSource — asriey @ 3:36 pm
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Finally, after a half day troubleshooting, I can post something to share with you. The installation process take about 15 minutes to finish. Before this I’ve already installed Fedora Core 4 on my Dell Inspiron 6000 and it works perfectly. But this time, it gives me some headache.

Now, the problem that I’ve encounter is that, I can ping, resolve any domain or IP, but then, when I want to browse the Internet using Firefox, it will appear as connection timeout. I’ve recheck the IP address, routing, dns etc. But it’s the same with my windows configuration.

After searching for a solution, some people suggest that it’s a problem with IPv6. Below is what I’ve change on the system.

  1. edit /etc/modprobe.conf, insert these two lines to the end
    alias net-pf-10 0ff
    alias ipv6 off
  2. edit /etc/sysctl.conf, adding these two lines to the end
  3. Open Firefox, at the URL, type “about:config” (without quote), find for ipv6, u’ll get network.dns.disable.IPv6 and change default value to true by clicking on it.
  4. Restart

And it works for me. Thanks to Fedora Support.

Screenshot of Fedora 7 installed on HP Compaq NX6320.


Best Firefox Extensions July 5, 2006

Filed under: Linux & OpenSource — asriey @ 4:08 am

I’ve been a fan of Firefox(ff) since it was first launched. Before that i’m using mozilla firebird. instead of tab browsing, the functional of ff can be expand to anything that suite your needs. today i’ve read about this topic –> 50 Best Firefox Extensions for Power Surfing and i’m surprise with so many more extension beside what i’ve right now.

so far in my list that i’ve been using before :

  1. FlashGot -extension to using with Flashget, a download accelerator.
  2. Fasterfox -makes ff faster and also an indicator how long it takes to load a page.
  3. Gmail Notifier -notifies me about my Gmail Account
  4. Gmail Space* – upload your file to your Gmail Inbox
  5. Web Developer* – widgets for web developer like me. so many tools & utilities.
  6. Del.icio.us* -bookmark your favourite sites to internet (instead of your bookmark toolbar)
  7. Videodownloader* -download video from youtube, google, metacafe, etc.
  8. MeasureIt* -draw a ruler to get pixel size for any elements.
  9. Firefox Extension Backup Extension* -backup & restore your ff extension.

* for this extension, mayb you can search it here -> https://addons.mozilla.org/firefox/extensions/


Layan FrozenBubble March 26, 2006

Filed under: Linux & OpenSource — asriey @ 11:46 pm

Lepas install je game ni dalam N6630, dan pertama kali main, terus rasa masyuk..terus lupa malasah yg mendatang..huhu..kepada sapa yg pakai S60 punya handset, bleh download kat sini. http://fb-s60.sourceforge.net/


Open Source Summit 2006 Invitation March 23, 2006

Filed under: Linux & OpenSource — asriey @ 3:02 am

Tup² ada kad sampai, baca alamat penerima dulu, kot² posmen salah anto, skali mmg nama aku, uiks, pelik gak, mana depa dapat alamat aku ni, huhuh plak tu wat kat spain tu..mmg confirm la aku tak g, duit tak dak..lg pun gilo ka apo nak g sorang²..huhuhu


Gentoo LiveCD-install March 20, 2006

Filed under: Linux & OpenSource — asriey @ 3:03 am

inspired by this article http://linuxlah.blogspot.com/2006/03/peep-at-gentoo-livecd-20060.html terus download satu copy, mayb ni la masanya utk sambung balik install gentoo yg telah tergendala sekian lama. ISO image dah download, tak burn je lg, nanti apa2 update, sy letak sini. ok.


FeedReader November 23, 2005

Filed under: Linux & OpenSource — asriey @ 2:00 am

korang penah guna tak software utk baca news etc guna RSS ( RSS is a format for syndicating news and the content of news-like sites). so far duk guna FeedReader. ok jer..dapat latest update directly. just tengok mana topic/tajuk yg best, baca. instantly after the site updated. ni screenshot feedreader