Author: Aly Chiman

2 Many utilities in Ubuntu Linux use a text editor to edit configuration options and files. One example of this is using the crontab command, that allows you to edit your cron jobs using the default editor. It’s quite easy to set the default editor using the update-alternatives command. Open a terminal and type in the following command: sudo update-alternatives “config editor Here is an example of what you’ll see: $ sudo update-alternatives “config editor…

2 You can block facebook and other sites in single computer using host file. Click start and then click on run and type following notepad c:windowssystem32driversetchosts Once notepad is open you can edit the file. We will block Facebook in this example. For this just enter in the following after the # mark. 0.0.0.0 http://www.facebook.com After editing the file don’t forget to save it . Now check if we try to access Facebook in IE.…

2 Windows PC users don’t rely on a printer connected to their own machine via USB. Instead a device located on a network is used, or perhaps as many machines now feature Wi-Fi connectivity. In this case, you’ll need to find and connect to the device through Windows before it can be used. Below are the steps to do that. Step one Click Start and go to Control Panel. Step two Click on the Hardware…

How to Find and Kill a Process that is Using a Particular Port in Ubuntu I had a problem with tomcat/pivotal server, it says that port 8080 is already in use so I can not use it … Solution 1- Open the terminal $sudo netstat -lpn |grep :8080 and press Enter. You will get an output similar to this one tcp6       0      0 :::8080                 :::*                    LISTEN      1153/java 2- I have got the process Id,…

2 $ sudo vi /etc/sysconfing/network-scripts/ifcfg-eth0 Configuration for Dynamic IP DEVICE=”eth0″ BOOTPROTO=dhcp NM_CONTROLLED=”yes” ONBOOT=yes Static IP Configuration DEVICE=”eth0″ BOOTPROTO=static NM_CONTROLLED=”yes” ONBOOT=yes TYPE=”Ethernet” IPADDR=192.168.1.2 PREFIX=24 GATEWAY=192.168.1.1 DEFROUTE=yes DNS1=192.168.1.10 DNS2=192.168.1.20 $ sudo service network restart