How to list all installed python modules To know what are the python modules installed in system.Use the given below command. Login into system. Type the command python to get the python prompt # python Now you will get the python prompt like this >>>, type the command help(“modules”) and press enter key >>> help(“modules”)…
How to mount s3 bucket in linux EC2 instance Learn how to mount s3 bucket in linux EC2 instance. Tested in : EC2 and EC2-beanstalk instances If you have not created a s3 bucket kindly go through with EC2 documentation.The documentation is very clear and easy to understand .This is the link how to create…
How to configure htdigest in nagios server As a security point of view I always prefer to go with htdigest rather than htpasswd method.The reason is htpaswd uses cleartext username and password whereas htdigest uses encryption method. If you have already read my post “How to configure Nagios 3.4.4 in CentOS” there I use the…
In this post we will learn about,how to install mysql server in RedHat and CentOS. MySQL is a relational database management system (RDBMS), and ships with no GUI tools to administer MySQL databases or manage data contained within the databases.Read More About MySQL Server Default Port Number of MySQL : 3306 (TCP) Install the MySQL…
How to change smtp port number 25 in postfix Bydefault the SMTP protocol runs at port no. 25. You can change the port no. to any port no. other than below 2048. 0 to 2048 are IANA authorized known port no.but we have some other port no. also which are bydefault used by manyapplication for….
In this post we will read about curl command to check the http status. cURL is a computer software project providing a library and command-line tool for transferring data using various protocols. The cURL project produces two products, libcurl and cURL. libcurl is a free client-side URL transfer library, supporting FTP, FTPS, Gopher, HTTP, HTTPS,…
Run the script using nohup without hitting enter key two times As we have seen when we run the command with ‘nohup’ and ‘&’ so that the command should run at background even the terminal get disconnected we have to press enter key 2 times. To overcome from this problem,use the below given method. Note:…
In this tutorial we will learn How to install and configure nagios nrpe in CentOS and Red Hat. We will also do some configuration changes in nagios server so that we could monitor the servers. In this scenario we will add a server to monitor. Operating System : CentOS 6.3Nagios Server : hostname: nagios-server ,…
In this article we will solve the problem “”CHECK_NRPE: Error – Could not complete SSL handshake nagios””
Whenever we newly setup the nagios server we mostly get this error “Nagios HTTP WARNING: HTTP/1.1 403 Forbidden”. In this article we will solve this problem.
Error installing rails Today I was installing the ruby and rails in my system and found two times this error.Hence I decided to post the how to install method of ruby and rails in CentOS 6.3 . The CentOS 6.3 was minimal installed. Follow the given below steps Step 1: Install the gcc,gcc compiler and…
Installing rails in verbose mode CentOS and Red Hat When we do “gem install rails” , the command actaully take time to install rails and we can not see what are the liberaries are installing in background. To see the rails installation in verberose mode ,use the given below command : gem install rails -V…
Installing Nagios-3.4.4 in CentOS 6.3 This post is updated version of post “Installing Nagios-3.4 in CentOS 6.3”. The only difference here is , we will use the new EPEL repo rpm i.e epel-release-6-8.noarch.rpm. Rest of the steps are same Download the EPEL repo in your system yum install wget (use this command if you do…
How to set htdigest password in apache web server Through this method we can set the username and password in webserver means whenever anyone open the website he has to give username and password to see the content of website. To know about what is the difference in htdigest and htpasswd. Kindly visit these links….
How to install and configure samba server in CentOS 6.3 Introduction: Samba is a free software re-implementation of the SMB/CIFS networking protocol, originally developed by Andrew Tridgell. As of version 3, Samba provides file and print services for various Microsoft Windows clients and can integrate with a Windows Server domain, either as a Primary Domain…