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Search results for Taking advantage of SELinux in Red Hat Enterprise Linux

RedHat

Taking advantage of SELinux in Red Hat Enterprise Linux

Post date: April 15, 2005, 21:04 Category: Security Views: 3748 Comments
Tutorial quote: The release of Red Hat Enterprise Linux 4 debuts the first commercially supported inclusion of Security-Enhanced Linux (SELinux). An installation of Red Hat's latest enterprise operating system has SELinux installed and enabled by default. In the past SELinux has been criticized for a lack of commercial support, many big sites were unable to use it due to the lack of support (Fedora Core 3 doesn't have the support that they require). Now in Red Hat Enterprise Linux 4, SELinux is a supported part of the OS, and such objections to the use of SELinux have gone away. SELinux is now widely regarded as being suitable for the largest sites.
RedHat

Choosing an I/O Scheduler for Red Hat Enterprise Linux 4

Post date: July 18, 2005, 22:07 Category: Benchmarks Views: 7412 Comments
Tutorial quote: The Linux kernel, the core of the operating system, is responsible for controlling disk access by using kernel I/O scheduling. Red Hat Enterprise Linux 3 with a 2.4 kernel base uses a single, robust, general purpose I/O elevator. The 2.4 I/O scheduler has a reasonable number of tuning options by controlling the amount of time a request remains in an I/O queue before being serviced using the elvtune command. While Red Hat Enterprise Linux 3 offers most workloads excellent performance, it does not always provide the best I/O characteristics for the wide range of applications in use by Linux users these days. The I/O schedulers provided in Red Hat Enterprise Linux 4, embedded in the 2.6 kernel, have advanced the I/O capabilities of Linux significantly. With Red Hat Enterprise Linux 4, applications can now optimize the kernel I/O at boot time, by selecting one of four different I/O schedulers.
RedHat

NIST Publically-Released Red Hat Enterprise Linux Benchmark

Post date: October 21, 2006, 04:10 Category: Benchmarks Views: 6583 Comments
Tutorial quote: The Benchmark is a compilation of security configuration actions and settings that "harden" Red Hat Linux operating systems. It is a CIS Level-I benchmark: the prudent level of minimum due care for operating system security. This benchmark was developed and tested on Red Hat Enterprise Linux (RHEL) including RHEL 2.1, RHEL 3.0, and Fedora Core 1, 2, & 3. It is likely to work for other Linux distributions - especially Red Hat and Fedora derivatives - as well.
RedHat

Tuning and Optimizing Red Hat Enterprise Linux for Oracle 9i and 10g Databases

Post date: December 19, 2007, 06:12 Category: Optimizing Views: 9511 Comments
Tutorial quote: This article is a step by step guide for tuning and optimizing Red Hat Enterprise Linux on x86 and x86-64 platforms running Oracle 9i (32bit/64bit) and Oracle 10g (32bit/64bit) standalone and RAC databases. This guide covers Red Hat Enterprise Linux Advanced Server 3 and 4 and the older version 2.1.
Solaris

NIST Publically-Released Fedora/Red Hat Core Security Guide

Post date: October 21, 2006, 04:10 Category: Security Views: 6005 Comments
Tutorial quote: The Benchmark is a compilation of security configuration actions and settings that "harden" Red Hat Linux operating systems. It is a CIS Level-I benchmark: the prudent level of minimum due care for operating system security. This benchmark was developed and tested on Red Hat Enterprise Linux (RHEL) including RHEL 2.1, RHEL 3.0, and Fedora Core 1, 2, & 3. It is likely to work for other Linux distributions - especially Red Hat and Fedora derivatives - as well.
White+Box

The perfect Setup - White Box Linux

Post date: April 15, 2005, 23:04 Category: Installing Views: 6014 Comments
Tutorial quote: This is a detailed description about the steps to be taken to setup a Linux server based on White Box Linux that offers all services needed by ISPs and hosters (web server (SSL-capable), mail server (with SMTP-AUTH and TLS!), DNS server, FTP server, MySQL server, POP3/IMAP, Quota, Firewall, etc.).

Since White Box Linux is very similar to Red Hat Enterprise Linux this tutorial should also work for Red Hat Enterprise Linux.
RedHat

Ruby on Rails on Red Hat

Post date: November 27, 2006, 07:11 Category: Network Views: 6380 Comments
Tutorial quote: Ruby on Rails is an open source freely available web development framework. It's been quite popular--it won a Jolt "Web Development Tools" award last year, and some prominent Java developers have publically switched to Ruby on Rails. The buzz surrounding Rails is quite impressive--particularly when you consider that Rails had no Fortune 500 company to market it, unlike .NET or Java.

Rails is a Model View Controller (MVC) framework. As you can imagine from the name, applications written using Model View Controller frameworks have three main components: a model, which represents the data and associated logic; the view, which represents how a user interacts with the application; and the controller, which contains all of the business logic that drives the application. This is an artificial distinction, of course, but it is a powerful one.

You'll need Apache 2.0+ and MySQL installed on your Red Hat Linux computer to run these examples.
Fedora

Upgrade Fedora 9 with Fedora 10

Post date: December 5, 2008, 12:12 Category: Installing Views: 2758 Comments
Tutorial quote: Fedora 10 codenamed "Cambridge" has been released. This new version of the community oriented, Red Hat backed Linux distribution comes with new features which enhance the end user experience.
RedHat

Tips & tricks: Performance tuning

Post date: November 26, 2005, 00:11 Category: Optimizing Views: 8544 Comments
Tutorial quote: Advanced tips on optimizing your Red Hat server.
Debian

An apt-get primer

Post date: April 12, 2005, 17:04 Category: System Views: 2690 Comments
Tutorial quote: If any single program defines the Debian Linux project, that program is apt-get. apt-get is Debian's main tool for installing and removing software. Working with the .deb package format, apt-get offers sophisticated package management that few Red Hat Package Manager RPM-based distributions can match.

Besides the convenience, an advantage of apt-get is that it reduces the chances of falling into dependency hell, that limbo where software installation fails for lack of another piece of software, whose installation fails for lack of another piece of software, and so on. If you know how Debian's archive system works, and how to choose the sources that apt-get uses, and use a few precautions in your upgrades, then the chances are that dependency problems will never bedevil you. Should you descend into dependency hell anyway, apt-get offers useful tools for climbing out of it.
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