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In this example I will show how to setup network configuration using command line and graphical tool in Ubuntu 12.04. To start accessing internet or sharing other resources on the network you have to configure TCP/IP settings of you ethernet card. In ubuntu you can configure network settings through

Screencast Review of Ailurus System Enhancement Tool for Ubuntu Linux 9.10 Karmic Koala Ailurus is an application which aims at making Linux easier to use. Features: * Help users study some Linux skills * Install/remove some applications which are not provided in the official repository * Search the fastest apt repositories * Enable/disable some third party repositories * Keep track of what packages you have installed/removed * Display information about BIOS, motherboard, CPU and battery * Show/Hide Computer, Home folder, Trash icon and Network icon on desktop * Configure Nautilus thumbnail cache * Configure Nautilus context menu * Configure Window behavior * Configure GNOME auto-start applications * Show/Hide GNOME splash screen original

Bumblebee Configurator GUI is an apps based on Python and development by Alessandro Facciorusso. it allow linux user easily set up and manage Bumblebee/Nvidia Optimus through a simple graphical interface.

In this example, I will show how to install samba and configure network share on Ubuntu 12.04. Samba is a graphical user interface to help with configuration and management, there are several GUI interfaces to Samba available, for me the most simple and powerful one of these tools is samba server co

DNS server is used to resolve domain name into IP address. There are three common DNS server configurations can be done using BIND, caching nameserver, pri

This Linux instructional exercise covers TCP/IP organizing, system organization and framework design nuts and bolts. Linux can bolster various system gadgets. The gadget names are numbered and start at zero and tally upwards. For instance, a PC running two ethernet cards will have two gadgets marked/dev/eth0 and/dev/eth1. Linux system arrangement, administration, observing and framework devices are secured in this instructional exercise  All the enormous, userfriendly Linux dispersions accompany different graphical apparatuses, taking into account simple setup of the PC in a nearby system, for associating it to an Internet Service Provider or for remote access. These devices can be begun up from the charge line or from a menu:  Ubuntu setup is done selecting System->Administration->Networking.  RedHat Linux accompanies redhat-config-system, which has both a graphical and a content mode interface.  Suse's YAST or YAST2 is a holding nothing back one design device.  Mandrake/Mandriva accompanies a Network and Internet Configuration Wizard, which is ideally begun up from Mandrake's Control Center.  On Gnome frameworks: elf system inclinations.  On KDE frameworks: knetworkconf.  Your framework documentation gives a lot of guidance and data about accessibility and utilization of apparatuses.  Data that you should give:  For interfacing with the nearby system, for occurrence with your home PCs, or at work: hostname, domainname and IP address. In the event that you need to set up your own particular system, best do some all the more perusing first. At work, this data is liable to be given to your PC consequently when you boot it up. If all else fails, it is better not to indicate any data than making it up.  For interfacing with the Internet: username and secret key for your ISP, phone number when utilizing a modem. Your ISP generally naturally doles out you an IP l

This Linux instructional exercise covers TCP/IP organizing, system organization and framework design nuts and bolts. Linux can bolster various system gadgets. The gadget names are numbered and start at zero and tally upwards. For instance, a PC running two ethernet cards will have two gadgets marked/dev/eth0 and/dev/eth1. Linux system arrangement, administration, observing and framework devices are secured in this instructional exercise  All the enormous, userfriendly Linux dispersions accompany different graphical apparatuses, taking into account simple setup of the PC in a nearby system, for associating it to an Internet Service Provider or for remote access. These devices can be begun up from the charge line or from a menu:  Ubuntu setup is done selecting System->Administration->Networking.  RedHat Linux accompanies redhat-config-system, which has both a graphical and a content mode interface.  Suse's YAST or YAST2 is a holding nothing back one design device.  Mandrake/Mandriva accompanies a Network and Internet Configuration Wizard, which is ideally begun up from Mandrake's Control Center.  On Gnome frameworks: elf system inclinations.  On KDE frameworks: knetworkconf.  Your framework documentation gives a lot of guidance and data about accessibility and utilization of apparatuses.  Data that you should give:  For interfacing with the nearby system, for occurrence with your home PCs, or at work: hostname, domainname and IP address. In the event that you need to set up your own particular system, best do some all the more perusing first. At work, this data is liable to be given to your PC consequently when you boot it up. If all else fails, it is better not to indicate any data than making it up.  For interfacing with the Internet: username and secret key for your ISP, phone number when utilizing a modem. Your ISP generally naturally doles out you an IP l

How to Install and Configure Vsftpd Ftp Server on RHEL 6/ CentOS 6.2/ Ubuntu 11.10/ Fedora /Debrin. VSftpd (Very Secure FTP Daemon) is an FTP server for Linux distributions. Vsftpd is the default FTP server is the Fedora, RHEL, CentOS, Ubuntu, NimbleX Linux distributions. It is not just secure as th

The framework is currently a ftp server and can acknowledge associations. To arrange the server to consequently begin the administration at boot time, execute the charge chkconfig vsftpd on as root. To stop the server, execute the order administration vsftpd stop.  Document Transfer Protocol (FTP) is one of the most seasoned and most ordinarily utilized conventions found on the Internet today. Its motivation is to dependably exchange documents between PC has on a system without requiring the client to log specifically into the remote host or know about how to utilize the remote framework. It permits clients to get to records on remote frameworks utilizing a standard arrangement of basic summons.  The Very Secure FTP Daemon (vsftpd) is planned from the beginning to be quick, stable, and, above all, safe. Its capacity to handle vast quantities of associations productively and safely is the reason vsftpd is the main stand-alone FTP conveyed with Red Hat Enterprise Linux.  In Red Hat Enterprise Linux, the vsftpd bundle gives the Very Secure FTP daemon. Run the rpm - q vsftpd order to check whether vsftpd is introduced:

The framework is currently a ftp server and can acknowledge associations. To arrange the server to consequently begin the administration at boot time, execute the charge chkconfig vsftpd on as root. To stop the server, execute the order administration vsftpd stop.  Document Transfer Protocol (FTP) is one of the most seasoned and most ordinarily utilized conventions found on the Internet today. Its motivation is to dependably exchange documents between PC has on a system without requiring the client to log specifically into the remote host or know about how to utilize the remote framework. It permits clients to get to records on remote frameworks utilizing a standard arrangement of basic summons.  The Very Secure FTP Daemon (vsftpd) is planned from the beginning to be quick, stable, and, above all, safe. Its capacity to handle vast quantities of associations productively and safely is the reason vsftpd is the main stand-alone FTP conveyed with Red Hat Enterprise Linux.  In Red Hat Enterprise Linux, the vsftpd bundle gives the Very Secure FTP daemon. Run the rpm - q vsftpd order to check whether vsftpd is introduced:

Screencast style Tutorial on how-to use and configure Volume Controls & Sound Settings in the PulseAudio Manager and KMix with Kubuntu Linux 64bit KDE 4.4.2. I show you how to setup the Audio Volume settings in Ubuntu Linux based Open Source Operating Systems

This guide explains how to install and configure the Cherokee web server on Ubuntu Server edition ( 12.04, 12.10 and 13.04).

This guide shown you how to installing and configure Zimbra Collaboration Suite (ZCS) Open Source Edition 8 as web mail server on Ubuntu Server 12.04 LTS machine

At present, there are three variants of NFS. NFS form 2 (NFSv2) is more established and generally bolstered. NFS form 3 (NFSv3) underpins safe nonconcurrent composes and is more hearty at mistake taking care of than NFSv2; it likewise bolsters 64-bit record sizes and balances, permitting customers to get to more than 2Gb of document information.  NFS form 4 (NFSv4) works through firewalls and on the Internet, no more requires a rpcbind administration, bolsters ACLs, and uses stateful operations. Red Hat Enterprise Linux 6 underpins NFSv2, NFSv3, and NFSv4 customers. At the point when mounting a document framework through NFS, Red Hat Enterprise Linux utilizes NFSv4 as a matter of course, if the server underpins it.  All forms of NFS can utilize Transmission Control Protocol (TCP) running over an IP system, with NFSv4 requiring it. NFSv2 and NFSv3 can utilize the User Datagram Protocol (UDP) running over an IP system to give a stateless system association between the customer and server.  At the point when utilizing NFSv2 or NFSv3 with UDP, the stateless UDP association (under typical conditions) has less convention overhead than TCP. This can interpret into better execution on clean, non-congested systems. In any case, on the grounds that UDP is stateless, if the server goes down suddenly, UDP customers keep on saturating the system with solicitations for the server. Moreover, when a casing is lost with UDP, the whole RPC ask for must be retransmitted; with TCP, just the lost casing should be loathe. Consequently, TCP is the favored convention when associating with a NFS server.

At present, there are three variants of NFS. NFS form 2 (NFSv2) is more established and generally bolstered. NFS form 3 (NFSv3) underpins safe nonconcurrent composes and is more hearty at mistake taking care of than NFSv2; it likewise bolsters 64-bit record sizes and balances, permitting customers to get to more than 2Gb of document information.  NFS form 4 (NFSv4) works through firewalls and on the Internet, no more requires a rpcbind administration, bolsters ACLs, and uses stateful operations. Red Hat Enterprise Linux 6 underpins NFSv2, NFSv3, and NFSv4 customers. At the point when mounting a document framework through NFS, Red Hat Enterprise Linux utilizes NFSv4 as a matter of course, if the server underpins it.  All forms of NFS can utilize Transmission Control Protocol (TCP) running over an IP system, with NFSv4 requiring it. NFSv2 and NFSv3 can utilize the User Datagram Protocol (UDP) running over an IP system to give a stateless system association between the customer and server.  At the point when utilizing NFSv2 or NFSv3 with UDP, the stateless UDP association (under typical conditions) has less convention overhead than TCP. This can interpret into better execution on clean, non-congested systems. In any case, on the grounds that UDP is stateless, if the server goes down suddenly, UDP customers keep on saturating the system with solicitations for the server. Moreover, when a casing is lost with UDP, the whole RPC ask for must be retransmitted; with TCP, just the lost casing should be loathe. Consequently, TCP is the favored convention when associating with a NFS server.

The vsftpd FTP daemon runs kept of course. SELinux arrangement characterizes how vsftpd communicates with documents, forms, and with the framework as a rule. For instance, when a verified client sign in by means of FTP, they can't read from or keep in touch with records in their home catalogs: SELinux keeps vsftpd from getting to client home registries as a matter of course. Additionally, as a matter of course, vsftpd does not have admittance to NFS or CIFS volumes, and unknown clients don't have compose access, regardless of the possibility that such compose access is arranged in/and so forth/vsftpd/vsftpd.conf. Booleans can be empowered to permit the beforehand said access.  The accompanying illustration shows a verified client signing in, and a SELinux foreswearing when attempting to view records in their home catalog:  Run the rpm - q ftp order to check whether the ftp bundle is introduced. On the off chance that it is not, run the yum introduce ftp order as the root client to introduce it.  Run the rpm - q vsftpd order to check whether the vsftpd bundle is introduced. On the off chance that it is not, run the yum introduce vsftpd order as the root client to introduce it.  In Red Hat Enterprise Linux, vsftpd just permits mysterious clients to sign in as a matter of course. To permit validated clients to sign in, alter/and so on/vsftpd/vsftpd.conf as the root client. Ensure the local_enable=YES choice is uncommented:

The vsftpd FTP daemon runs kept of course. SELinux arrangement characterizes how vsftpd communicates with documents, forms, and with the framework as a rule. For instance, when a verified client sign in by means of FTP, they can't read from or keep in touch with records in their home catalogs: SELinux keeps vsftpd from getting to client home registries as a matter of course. Additionally, as a matter of course, vsftpd does not have admittance to NFS or CIFS volumes, and unknown clients don't have compose access, regardless of the possibility that such compose access is arranged in/and so forth/vsftpd/vsftpd.conf. Booleans can be empowered to permit the beforehand said access.  The accompanying illustration shows a verified client signing in, and a SELinux foreswearing when attempting to view records in their home catalog:  Run the rpm - q ftp order to check whether the ftp bundle is introduced. On the off chance that it is not, run the yum introduce ftp order as the root client to introduce it.  Run the rpm - q vsftpd order to check whether the vsftpd bundle is introduced. On the off chance that it is not, run the yum introduce vsftpd order as the root client to introduce it.  In Red Hat Enterprise Linux, vsftpd just permits mysterious clients to sign in as a matter of course. To permit validated clients to sign in, alter/and so on/vsftpd/vsftpd.conf as the root client. Ensure the local_enable=YES choice is uncommented:

The striping with circulated equality implies it will part the equality data and stripe information over the numerous plates, which will have great information excess.  A Redundant Array of Independent Disks (RAID) is a progression of plates that can spare your information regardless of the possibility that a loathsome disappointment happens on one of the circles. While a few adaptations of RAID make complete duplicates of your information, others utilize the purported equality bit to permit your PC to remake the information on lost circles  Assault permits a director to shape a variety of a few hard crashes into one intelligent drive perceived as one drive by the working framework. It likewise spreads the information put away over the variety of drives to reduction circle access time and perform information excess. The information excess can be utilized to recoup information if one of the hard drives in the cluster crash.

The striping with circulated equality implies it will part the equality data and stripe information over the numerous plates, which will have great information excess.  A Redundant Array of Independent Disks (RAID) is a progression of plates that can spare your information regardless of the possibility that a loathsome disappointment happens on one of the circles. While a few adaptations of RAID make complete duplicates of your information, others utilize the purported equality bit to permit your PC to remake the information on lost circles  Assault permits a director to shape a variety of a few hard crashes into one intelligent drive perceived as one drive by the working framework. It likewise spreads the information put away over the variety of drives to reduction circle access time and perform information excess. The information excess can be utilized to recoup information if one of the hard drives in the cluster crash.

Sample of using Hibernate Annotations by reducing XML configuration files thus making it simpler to define required metadata directly into our Java code. When using annotations, we no longer need the additional mapping file (*.hbm.xml). The metadata for the ORM is specified in the individual classes.

An Example explaining on how @Required annotation from Spring Framework works. Provides sample on how to use @Required and expected exception if beans are not properly configured like BeanInitializationException or Property is required for bean.

Screencast tutorial showing you how to step by step configure and use the Theming Look & Feel of Ubuntu Linux 9.10 with the Themes & Icons & Wallpapers, some of which can to be downloaded through Ubuntu Tweak. Educational video

My Ubuntu 9.04 installation does not seem to listen to the .Xresources file. I am trying to figure out why.

Many people want to know how to obtain root permission on Ubuntu no matter su command or login x window. The root passwd have never been configured when you install ubuntu first time. You can use below command to change root password...