How to enable Android Market on Samsung Galaxy Mobiles

Posted on June 28, 2011 by Ahmed Tawfik

Android market seems to be disabled by default on Samsung Galaxy mobile phones in the Middle East, and Samsung is using their marketplace instead, which is totally ridiculous.

To enable the Android market (Tested successfully on Samsung Galaxy S9000)

  1. BACKUP all your data
  2. Get your IMEI by calling *#06#
  3. Call the following: *#272*IMEI#*
  4. Choose “XSG” and then “Install”
  5. Your mobile will reboot, and you’ll find the Android Market enabled.
  6. Enjoy!

Sources:

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Monitor CPU, Memory and Network on AIX

Posted on June 17, 2011 by Ahmed Tawfik

Very good two commands to monitor CPU, Memory and Network on AIX:

netstat and vmstat

e.g. “netstat 5”, views the network activity, reports every 5 seconds, change 5 to 10 if you want every 10 seconds and so on.

e.g. “vmstat 5”, views the CPU and RAM activity, same as above.

Credit goes to my friend & colleague Emmanuel Simart for these two commands.

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Ganglia Daemons Enable Debugging Mode

Posted on June 16, 2011 by Ahmed Tawfik

Just run “gmetad” or “gmond” with the “-d debugging_level” where debugging level is from 1 to 9, this will run it in the foreground and will show very useful information that will help you in debugging, pressing Ctrl+C will kill the process.

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Configure Ganglia Data Monitoring Agent (gmond) to send data to multiple Data Collection Agents (gmetad)

Posted on June 16, 2011 by Ahmed Tawfik

Edit the “/etc/gmond.conf” file, and just copy the udp_send_channel section, one copy for every host, e.g.

udp_send_channel {
host = 10.11.x.x
port = 8649
ttl = 1
}

udp_send_channel {
host = 10.11.x.y
port = 8649
ttl = 1
}

udp_send_channel {
host = 10.11.b.z
port = 8649
ttl = 1
}

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Installing a Text-based Browser on AIX (Lynx)

Posted on June 14, 2011 by Ahmed Tawfik

If you want a very simple text-based web browser in order to test responses on an AIX server and don’t want to waste time and bandwidth using Firefox – if it exists – and an X-session, use “Lynx”, Here are the steps in brief:

  1. Download the RPM from IBM’s AIX Linux Toolbox. (search for “lynx”, it’s less than 1 MB in size)
  2. Install it “rpm -ivh package_name.rpm“
  3. Run it using “lynx url“, e.g. “lynx http://www.yahoo.com”

Enjoy!

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