This is a one line sed command trick in which we will convert the new line into space. I have a file in which there is a words per line.Now here I want to remove all these lines and instead of this I would like to use spaces. For eg. I have a file called…
Today I installed the Debian wheezy 7.1 and after doing apt-get update first problem I found ,the system was searching packages from CDROM. Because I do not want to install packages from CD first I commented the below given lines in /etc/apt/sources.list nano /etc/apt/sources.list # deb-src cdrom:[Debian GNU/Linux 7.1.0 _Wheezy_ – Official Multi-architecture i386/amd64/source DVD…
In this tutorial we will learn about how to configure vsftpd server with virtual user and mysql authentication in backend in CentOS 6 and Red Hat 6. Note: SELINUX and IPTABLES are disabled Features: vsftp server with chroot mysql authentication virtual users in mysql (Not in local system) Server Details: Operating System:CentOS release 6.4 (Final)…
How to install pam_mysql in CentOS or Red Hat While working on some mysql authentication.I required pam_mysql. In CentOS 6.4 I found it was not available even in CentOS 5 it was not also. Again same method is applied. Download the EPEL repo. Step 1: Install latest EPEL Repo rpm -ivh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm Step 2: Now…
error: could not configure a c compiler It is the most common error found while installing the package from its source code. Many times I got this issue while working in CentOS and Red Hat Actually the source code has some scripts which require C compiler as the code is written in C language. If…
In this tutorial we will learn how to create VirtualHost in Apache Webserver. With the help of VirtualHost we can host many domains or website from single Web Server.This is a simple example to start with your first VirtualHost configuration in Apache Webserver. We have used a few terms which is required for setting up…
In this tutorial we will learn about how to install apache webserver. Web server as the name says it is server which is used for web services. The websites and web applications required web server to run. Here for webserver we will install apache. There are other web server which are also widely use in…
To rename and move the directory and files in linux in linux we use single command called mv. The mv command is used for both purpose means renaming and moving the directory or file,it is system command which ships bydefault when you install any linux. The command is also applicable to all Unix based operating…
In this tutorial we will learn How to set user postgres password in postgresql 9.1 and force to prompt for password. When you freshly install Postgresql and after using command psql it will allow you to login into postgresql server without prompting or asking for password. Here we will first of all reset the password…
In this tutorial we will configure the additional ethernet in CentOS. The practical has been done in Virtual box whereas it is also applicable to physical machines. Scenario: In Virtual Box,we have only one ethernet or NIC card (eth0) while installing the CentOS.Later we added one more ethernet(eth1) but when we were using command ifconfig…
MySQL Workbench is a integrated tool for MySQL. The MySQL workbench gives a graphical interface to user through which user can easily manage many MySQL Administration task. The tool can be install in Windows,MacOSX and Linux. As well as its source code is also available.The MySQL Workbench is easy to install in Windows,MacOSX and Linux…
vim is the acronym of Vi Improved . vim is text editor written by Bram Moolenaar. Vim is available in command line as well as in graphical mode. It has advanced features as compared to vi text editor which usually by default available in almost all unix like operating system. Note: Practical Tested in FreeBSD…
Korn shell or ksh is another Unix shell like bash,sh and csh. Korn shell was developed by David Korn at Bell Labs in the early 1980s and announced at USENIX on July 14, 1983. Many Unix based operating system like AIX,BSD etc. they already have ksh preinstalled. The AIX by default uses the ksh. To…
Piwik is free and open source web analytics software for your websites.It helps to give insight details of your website visitors activity. Likewise google analytics it is also capable of providing the Live website visitors information. It comes with many default features,apps and plugin which enhance the Piwik as one of the best analytics software…
In this post we will learn how to use php to get the visitor’s IP address in a webpage.This code also helps Network or system admin to know from which IP he is using currently. For eg. your company have 2 public IP from different ISP and both are in failover. The companies network is…