Entries Related to ‘Linux’

Ever felt bewildered when troubleshooting a problem with your CentOS server? These troubleshooting tools and best practices can help you solve most of your problems swiftly and efficiently.

ht://Dig lets you keep track of the text on a single website or a group of sites. Controlling your own search engine for your website gives you control over the detail of how the search works, and you can search across multiple sub-sites, or not, as you prefer. Here’s how to create a personal search engine for your personal domain.

Control groups in Linux let you aggregate tasks to allow for hierarchical resource management and allocation. Here’s how you can take advantage of control groups to improve your systems’ efficiency.

Today, businesses require high availability (HA) and zero downtime for many IT services. Redundancy and failover mechanisms are essential parts of the HA infrastructure. CentOS 6 provides a reliable, flexible, and powerful clustering solution that lets you use multiple servers to avoid downtime.

Automating Linux server installation promotes better security, stability, and performance through standardized setup, saves administrators’ time, and decreases the chance of human mistakes. You can use Kickstart on Red Hat-based operating systems to create a custom boot configuration with just the software and options you want. Here’s how to get Kickstart working with CentOS 6 installations.

The Linux find, grep, and awk commands are amazing power tools for fine-grained file searches, and for finding things inside files. With them you can find the largest and newest files on a system, fine-tune search parameters, search for text inside files, and perform some slick user management tricks.

With all you rely on your Linux server for, you need your system to be as secure as possible. That means taking steps to keep the kernel up to date, enhance user security, and control daemons and other processes. Here are some essential steps to take to harden your Linux servers.

Novice web developers installing their first LAMP-driven website may stumble over unfamiliar technologies, but with a little Googling and guidance they soon succeed at viewing their own PHP-enabled pages. While reaching this milestone is a crucial first step toward becoming a proficient LAMP developer, it’s what occurs next that determines the speed and efficacy with which a developer can create and manage websites.

BackTrack Linux has established itself as the de facto suite of choice for security professionals and administrators who want to find any possible holes in their servers, systems, and networks. This bootable Linux distro includes a complete set of tools that can help you not only assess the security of your system but also aid in uncovering possible break-ins, making it an essential part of any administrator’s toolkit.

Apache is a reliable HTTP server that still holds more than 65% of the web server market, according to Netcraft. Unfortunately, Apache was not designed with performance or scalability in mind. While alternative solutions might be more efficient, switching is not always the best option. But that doesn’t mean you don’t have other alternatives to improve your web server’s performance.