WordPress is an extremely popular blogging and Content Management System (CMS) used by millions of websites. It can be used to easily organize, manage, and create content on the web and handle interactions with visitors and contributors. Although... Read More

IntroductionThe sed stream editor is a powerful editing tool that can make sweeping changes with very little input. In our previous article on sed, we discussed the basics of using sed to edit text. This article will continue our introduction by... Read More

NFS mounts work to share a directory between several servers. This has the advantage of saving disk space, as the home directory is only kept on one server, and others can connect to it over the network. When setting up mounts, NFS is most effective... Read More

PHP is a popular programming language that allows you to quickly create scripts and install additional libraries. This time, we will expand on this idea and create Nagios plugins using PHP. Step 1 - Install RPMForge Repository and NRPE on client ... Read More

How Do I Monitor Process Utilization? top One of the most common tools for checking the resource utilization of processes is "top". Top provides a simple, real-time table of your processes, with the largest consumers on top: top top - 14:45:52 up... Read More

This time, we will expand on this idea and create Nagios plugins using Python. Step 1 - Install NRPE apt-get install -y python nagios-nrpe-server useradd nrpe && update-rc.d nagios-nrpe-server defaults Step 2 - Create your Python Script It... Read More

Step 1 - Setup public SSH keysOn our origin server, we will generate public SSH keys with no password: ssh-keygen -f ~/.ssh/id_rsa -q -P "" cat ~/.ssh/id_rsa.pubThis is our public SSH key that can be placed on other hosts to give us access: ssh-rsa... Read More

LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the server is already running CentOS, the linux part is taken care of. Here is how to install the rest. ... Read More

IntroductionThe sed stream editor is a text editor that performs editing operations on information coming from standard input or a file. Sed edits line-by-line and in a non-interactive way. This means that you make all of the editing decisions as... Read More

About LinuxLinux is a free, open-source operating system. All of ASPHostPortal's offered operating systems are Linux distributions. Linux has been under active development since 1991. It has developed to become versatile and used all over the... Read More

FTP, or "File Transfer Protocol" is a popular method of transferring files between two remote systems. SFTP, which stands for SSH File Transfer Protocol, or Secure File Transfer Protocol, is a separate protocol packaged with SSH that works in a... Read More

WordPress is the most popular CMS (content management system) used on the internet today. While many people use it because it is powerful and simple, sometimes people make a trade-off for convenience at the expense of security. This is the case in... Read More

Ghost is a great new blogging platform that focuses on content creation and presentation over the superfluous bells and whistles that dominate other platforms. It provides a clean, easy-to-use interface and can produce very polished results. How To... Read More

Web frameworks provide a quick and easy way to jump start a web application. Almost every web framework adheres to the MVC software pattern. MVC stands for model, view, and controller. It is a way of distinguishing and separating the different... Read More

This time, we will expand on this idea and create Nagios plugins using Python. Step 1 - Install RPMForge Repository and NRPE rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm yum -y install python nagios... Read More

Bash is a popular command processor available on Linux by default. This time, we will expand on this idea and create Nagios plugins using Bash. Step 1 - Install RPMForge Repository and NRPE on client rpm -ivh http://pkgs.repoforge.org/rpmforge... Read More

SSH keys provide a more secure way of logging into a virtual private server with SSH than using a password alone. While a password can eventually be cracked with a brute force attack, SSH keys are nearly impossible to decipher by brute force alone.... Read More

Step 1 - Install Packages on Monitoring Server rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm yum -y install nagios nagios-plugins-all nagios... Read More

To ensure that the most imperative programs remain online as much as possible (even after a server crash or reboot), one can create a simple bash script to check if the program is running, and if it is not, to launch it. By using cron to schedule... Read More

ProFTPD is a popular ftp server. Because it was written as a powerful and configurable program, it is not necessarily the lightest ftp server available. Step One—Install ProFTPD Before we do anything else, we need to download the EPEL... Read More

One of the commonly asked questions from our users is how to add another IP address to their server. You can assign your own private IP address to your control panel by creating a VPN tunnel. Whether you want to build your own Virtual Private Network... Read More

Step 1 - Install RPMForge Repository and NRPE on client rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm yum -y install ruby nagios-nrpe useradd nrpe && chkconfig nrpe on Step 2 - Create your... Read More

A Linux server, like any other computer you may be familiar with, runs applications. To the computer, these are considered "processes". While Linux will handle the low-level, behind-the-scenes management in a process's life-cycle, you will need... Read More

IntroductionZ shell, or zsh, is a shell for Linux and other Unix-like operating systems. It is built to be a drop-in replacement for the traditional bash shell. The zsh offers modern auto-completion and auto-correction, powerful scripting... Read More

Step 1 - Spin up Ubuntu 12.10 x64 and add SWAP memory To add 2GB of SWAP memory: dd if=/dev/zero of=/swap bs=1024 count=2097152 mkswap /swap && chown root. /swap && chmod 0600 /swap && swapon /swap echo /swap swap swap... Read More

IntroductionAn easy way to increase the responsiveness of your cloud server is to add some swap space. Swap is an area of the hard drive that can be used to temporarily hold information that is usually stored in RAM. The result is that more RAM... Read More

Servers do not exist in isolation, and those servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically protect the server from malicious signs. The program works by scanning... Read More

This article will take you from a fresh, new server to an online, working site. The following article will combine the relevant articles into a cohesive step by step to guide to set up your personal site on an Ubuntu server. Basic Server Setup... Read More

Perl is a popular programming language that allows you to quickly create scripts and install additional libraries. This time, we will expand on this idea and create Nagios plugins using Perl. Step 1 - Install RPMForge Repository and NRPE on client ... Read More

IntroductionOne of the most powerful text editors accessible from the command line is the vim editor. Built on the foundation of "vi", an editor dating back to 1976, vim adds additional functionality and power, while maintaining the editing style... Read More

What is FTP?FTP is a way to transfer files between hosts over the internet. It is especially helpful as a way to upload or download files to or from a site quickly. FTP clients allow connections from both anonymous and registered users. When the... Read More

Step 1 - Install NRPE on client apt-get install -y php5 nagios-nrpe-server useradd nrpe && update-rc.d nagios-nrpe-server defaults Step 2 - Create your PHP Script It would be a good idea to keep your plugins in same directory as other... Read More

Step 1 - Install NRPE on client apt-get install -y perl nagios-nrpe-server useradd nrpe && update-rc.d nagios-nrpe-server defaults Step 2 - Create your Perl Script It would be a good idea to keep your plugins in same directory as other... Read More

The first two letters of vsftpd stand for "very secure" and the program was built to have strongest protection against possible FTP vulnerabilities. Step One—Install vsftpd You can quickly install vsftpd on your virtual private server in the... Read More

The first two letters of vsftpd stand for "very secure" and the program was built to have strongest protection against possible FTP vulnerabilities. Step One—Install vsftpdYou can quickly install vsftpd on your virtual private server in the... Read More

When you first begin to access your fresh new virtual private server, there are a few early steps you should take to make it more secure. Some of the first tasks can include setting up a new user, providing them with the proper privileges, and... Read More

This time, we will expand on this idea and create Nagios plugins using Bash. Step 1 - Install NRPE on client apt-get install -y nagios-nrpe-server useradd nrpe && update-rc.d nagios-nrpe-server defaults Step 2 - Create your Bash... Read More