After 6 months of waiting ( the normal time for Ubuntu releases) Ubuntu 9.10 is here. Today (29 Octomber) I upgraded my laptop at Ubuntu 9.10. What is Ubuntu promising with this new release:
Faster, simplified, better-looking boot experience for most users in other words was redesigned from many points of view
Audio revamp – Pulse audio
Firefox 3.5 – no more comments
Other cool things:
Ubuntu One – a new technology which offer you 2Gb of free storage over internet (I should check that myself)
Better integration with: Flickr, Facebook, Picassa, Youtube, last.fm and other social sites.
Office – Openoffice 3.0
Games:
Over 400 completely free and completely cool games. Solitaire is not the only game in town.
Japan Linux Symposium is between October 21 – 23 2009 in Tokyo, Japan. In the same day (21) Microsoft Japan Launched Windows 7 and one of the Microsoft point of sales was across the street from this Linux Symposium. The guys decided to do something fun and get one of their best guests, on this symposium, and take a picture on the Windows 7 stand.
Sometimes you need standby for your Xorg server and sometimes not (surveillance applications don’t need it). I will try to show you in several lines how you can configure that.
To control standby for your monitor you need to see if you have enabled Display Power Management Signaling enabled.
For that try to run following command in a xterm
$xset q
DPMS (Energy Star):
Standby: 1200 Suspend: 1800 Off: 2400
DPMS is Enabled
Monitor is On
if is not enabled just run
$xset +dpms
To set standby, suspend and off parameters run
$xset dpms X Y Z
where X is standby time, Y is suspend time and Z is off time all in seconds.
To set that at every Xorg boot then you should add the following lines to your xorg.conf Section “ServerFlags”
Option “blank time” “150″
Option “standby time” “300″
Option “suspend time” “600″
Option “off time” “1200″
Option “dpms” “true”
EndSection
If you want to disable DPMS standby then put this configuration in your xorg.conf
If you copy your shortcuts from one system to another and you don’t preserve the right attributes on this files then is possible to get a warning everytime when you run a application from your desktop or your menus.
This shortcut should be a *.desktop file and it should have your rights on it or it should have minimum read and execute for group or others.
to fix that just run
sudo chmod ugo+rx *.desktop
That means you give rx rights (read and execute) to ugo (user, group and other).
So now, you also learned how to set the proper file rights
I know you can also use mark as trusted button, but is very useful when you have more than 40 shortcuts on your desktop.
Windows 7 has not released yet, but Microsoft already made big plans for Windows 8. It will released in 2012 and one of the most important features will be 128bit architecture support.
Microsoft:
Robert Morgan is working to get IA-128 working backwards with full binary compatibility on the existing IA-64 instructions in the hardware simulation to work for Windows 8 and definitely Windows 9.
The user interface will be totally different, more pleasant, easy to use … and so OSX.
Sometimes we need to query, under Linux, Active Directory for users/computers without accessing a remote desktop. We can achieve that with ldapserch. First you should install first ldap-utils. In Debian or Ubuntu just run:
One of the most productive IDE applications, Delphi RAD Studio 2010, from Borland Embarcadero, had reached version 2010:). Here is a video demonstrating why Delphi is still the best player in area.
The introduction explains about multitier development, multiple databases code quality tools, touch and gesture inmput.
This is an old bug, first discovered in 2003, but now was applied to the hash table functions from the new programming languages. The main idea behind this bug is to create hashes which collide, because collision will eat a lot more cpu cycles on your server. For a post of 2 MB is resulting in a 44 minutes of CPU time which will results in a DOS. As suggeste […]
Together with some colleagues I started to put the base for a distributed application. Everything is looking good, but we have a big dilemma. We don’t know what communication API to choose. In first phase we didn’t have so many options to choose, but after some research, we found several good communications libraries, and now, is very hard for us […]
I should admit, I didn’t read the Glassfish 3.1 Administration Manual, and I don’t know if this is documented. Anyway the main problem appeared when I tried to connect on my cluster instances with admin credentials. If I connect with VisualVM or JConsole to Domain Administration Server (DAS) on 8686 I don’t have any problem. When I’m […]
I switched all my Java Glassfish webservices to SSL, because I wanted to have an encrypted communication between me and my clients. Until then, all my applications worked flawlessly over the HTTP protocol, but now, after switching to SSL, I got the following error: HTTP transport error: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorExc […]
It’s been a while since I configured the latest Dynamic Mass Virtual Hosting Server. Last time I used mod_vhost_alias to create a dynamic virtual hosting and it worked without any problem for what we need in that time. Then we didn’t care about the ftp and virtual users, the sites was updated from web pages and security was pretty much handled by […]
