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Find serial number in Linux

linux 128Q. I'm looking for a serial number of the system and motherboard (eg. Dell or HP), is there any way to find that remotely?

A. Yes, there is. In many cases a little tool called dmidecode can be used.

Here's the synopsis from the man pages:

dmidecode is a tool for dumping a computer's DMI (some say SMBIOS) table contents in a human-readable format. This table contains a description of the system's hardware components, as well as other useful pieces of information such as serial numbers and BIOS revision. Thanks to this table, you can retrieve this information without having to probe for the actual hardware. While this is a good point in terms of report speed and safeness, this also makes the presented information possibly unreliable.

Wednesday, 22 July 2015 12:44
 

All about ScanPST (and ScanOST) tool

scanpst-iconQ. What is ScanPST.exe (and ScanOST.exe)?

A. ScanPST.exe is a tool to repair corrupted Outlook data files. It is useful to run when:

  • Outlook is slow to load and open files
  • Can't drag and drop emails or folders
  • Can't open email

It works equally good on repairing PST and OST (exchange data file).

Tuesday, 28 April 2015 07:58
   

Zentyal - default mysql root password

Q. Where do I find the default password for MySQL in Zentyal 3.5?

A. Run this code as root (or sudo):

echo $(sudo cat /var/lib/zentyal/conf/zentyal-mysql.passwd)

Friday, 17 October 2014 13:29
   

Add static route with destination

linux 128Q. I have 5 IP addresses from my provider, however, I can only access 1. When I try to access the others internally, they time out.

Another scenario: I would like to access a different subnet. (eg 192.168.0.0/24 from 192.168.1.0/24). How can this be done?

A. You need to add the gateway for particular IPs (or IP range) manually, to the routing table. (This exercise assumes that you are running a linux based router).

Thursday, 03 July 2014 14:00
   

Change default editor in Ubuntu

ubuntu-logo-smThere should a separate article on the "easiness" and "intuitiveness" of the NANO editor. Who would have thought that Ctrl+V stands for Next Page, Ctrl+C for Cur Pos (What is Cur Pos anyway?)? The person that says that this is intuitive should get shot. Completely ignoring well established norms of ALL editors (be it Windows, Mac or Linux) should be a punishable offense.

VI (or VIM) has one advantage over all *NIX editors - it's just there when you need it. No need to install, no matter what distribution or version - it's there. Whether you want it or not, you have to know at least the basic commands of VI. Forcing NANO on me and making me learn random key combinations is unacceptable.

I got distracted, however.

To select one of the more familiar editors in Ubuntu, you can run the following as root:

Wednesday, 25 June 2014 10:15
   

Adding a new user to Joomla 1.5 using custom code

There used to be a nice link on the Joomla site (http://docs.joomla.org/JUser) on how to add a user to Joomla 1.5 using custom code. The link was taken down, so here's that code:

Friday, 20 June 2014 15:27
   

Run a script at shutdown

ubuntu-logo-smQ: I would like to run a script at system shutdown, how do I do that?

A: The best way to do so, is to add it to the /etc/init.d directory and link it to rc0 and rc6 (reboot and shutdown). Here's a sample script:

Tuesday, 27 May 2014 14:13
   

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