Category ‘Operating Systems’

• TECHPULP | How to bind a service under xinetd to a specific ip address
  As an administrator,  you wouldn’t want external users to access a new service while you are setting it up. In such cases, you might want to bind the service to loop-back address (127.0.0.1) until you are sure that service is...
• TECHPULP | How to read Microsoft Windows .chm help files in Linux
  It is sometimes required to read Microsoft Windows help files (.chm) in Linux. Once such case could be for cross developing applications using MinGW for Windows in Linux. Another case could be reading documentation of a generic stuff like JavaScript...

• TECHPULP | How to create passwordless account in Linux system
  First of all, you should know that creating a password-less account is a very bad idea. You should be knowing what you are doing before doing so. However this may be of use in certain scenarios like doing SSH or...
• TECHPULP | How to install screen command in FreeBSD
  To install screen command in FreeBSD, run the following commands after logging in as super user (root). Note that you should have valid Internet connection. [root@techpulp ~]# cd /usr/ports/sysutils/screen [root@techpulp ~]# make install The above command should download screen command...

• TECHPULP | How to unzip files with .7z extension in Fedora Linux
  There is an open source tool names 7zip  which creates compressed files with .7z extension. Fedora Linux provides a package in its repository to install the application if required. First of all, you need to install “p7zip” package in the...
• TECHPULP | How to show desktop pop-up notification in Linux using notify-send command
  It is very useful when you are about to start a bulk job and want to get notified asynchronously after its completion. That helps you continue with other work without having to check for its completion periodically. Of course if...

• TECHPULP | How to configure a network interface in Linux
  Linux provides “ifconfig” command to configure network interfaces. To display list of available interfaces: [root@techpulp ~]# ifconfig eth0      Link encap:Ethernet  HWaddr 00:65:23:5E:D4:3C inet addr:192.168.191.1  Bcast:192.168.191.255  Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1 RX packets:261958 errors:0 dropped:0 overruns:0 frame:0 TX packets:201967...
• TECHPULP | How to lock and unlock an user account in Linux
  Any user account can be locked or unlocked only by Administrator (i.e root user). This is done using passwd command as explained below. When an user account is locked, Linux sets a irrecoverable password for that account so that login...

• TECHPULP | How to get standard 80×25 console instead of SVGA console in Fedora Linux
  If you want to get good old 80×25 console in text mode of Fedora, you need to pass “nomodeset” option to the kernel. Open the file /etc/grub.conf or /boot/grub/grub.conf file and “nomodeset” option to the “kernel” line of the active...
• TECHPULP | How to disable graphical boot in Fedora
  To disable graphical boot in Fedora, you need to modify system configuration. Open the file “/etc/sysconfig/init” and change the line “GRAPHICAL=yes” to “GRAPHICAL=no“. This only disables Fedora from using graphics mode during start up. So Fedora shows the text bar...