would like to find out how long the system has been running under a UNIX or Linux operating system. How do I find out system uptime? How to tell how long the Linux system has been running on
It refers to the clarity of an image on screen. Screen resolution suggests the number of dots or pixels on the entire computer screen. For example, when you say a 640 x 480 screen resolution then all you means is individual 640 dots on each 480 lines i.e. 307K pixels.
Use xdpyinfo command to find out current screen resolution:
$ xdpyinfo | grep 'dimensions:'
dimensions: 800×600 pixels (283×212 millimeters)
You can also use xrandr command:
$ xrandr | grep '*'
*0 1024 x 768 ( 283mm x 212mm ) *61
You can also use Desktop tools to find out current desktop screen resolution:
(A) Gnome Desktop
Click Gnome Desktop menu > Preferences > Screen resolution
(B) KDE Desktop
- Click on K desktop Icon > Select Control Center
- Select Peripherals (under Index tab) > Select Display
- It will display Screen resolution or size
See Screen resolution at wikipedia.
ow do I change MySQL root password under Linux, FreeBSD, OpenBSD and UNIX-like like operating system over the ssh session?
According to wikipedia “A content management system (CMS) is a computer software system for organizing and facilitating collaborative creation of documents and other content. A content management system is frequently a web application used for managing websites and web content, though in many cases, content management systems require special client software for editing and constructing articles. The market for content management systems remains fragmented, with many open-source and proprietary solutions available.”
Most CMS systems are written in PHP/Perl and MySQL database software. According to us following are the best open source content management system:
For more information and in depth comparisons of CMS see:
- http://www.opensourcecms.com/ – You can try various open source CMS software before install. Includes both admin and user page access.
- http://www.cmsmatrix.org/ – You can discuss, rate, and compare the various CMS software systems available on the market today including open source CMS systems.
MySQL is open source database server. It is reliable and widely used by web developers around the world. You can use PHP or Perl scripting to access a MySQL database. However, thousands of ready to use application available for MySQL, here is list of some of the most popular application (written in PHP [PHP (Hypertext Preprocessor) is a widely used, general-purpose scripting language that is especially suited for web development and can be embedded into HTML]):
- Guestbook software
- Forum software
- Content management system
- Blog software
- Photo Gallery
Once you are, experienced user, you may also use MySQL to create dynamic web pages or software(s) for yourself. For more information see:
ow do I create a user account on MySQL database server?
What is UNIX / Linux Korn Shell?