Servers

Network Monitoring – Automated Reboot System

Posted on May 6, 2010. Filed under: Hardware, Hosting, Servers |

Bring State of the Art Network Monitoring in house – save money, offer more network monitoring options and stay ahead of your servers.

Monitor the services you need to monitor – use login’s to verify connectivity to your network services. Any network service can be checked at any interval – from every 10 seconds to every 15 minutes – whatever frequency makes you feel the most comfortable. Other network monitoring systems are based on a per unit pricing scheme – using our solution, you can monitor as many devices as you need to monitor – and you can monitor any service that is available over the network.

From SNMP to SMTP, MySQL monitoring and web site up-time, you can bring your network monitoring solution in-house – at an affordable price and with a number of options available.

Automated Reboot Systems

It’s not enough to simply monitor your servers and services – what do you do in case of a server outage, a remote site’s connection down or any of the other services you have to monitor?

Being able to control the power outlets of your servers and and network devices allows the network admin to toggle a machine off and on – resolving over 98% of server service outages.

The PowerKey Pro 600 has 6 software controlled outlets – allowing you to reboot up to 6 devices at any time. Imagine having your webserver stuck at 3 am – rather than driving to the office or data center, login to the network monitoring system from your home or office and toggle the outlet remotely.

With our network monitoring tools and automatic reboot system, you can notify the on-call technician, reboot your server and be notified the services are back on-line faster than you get your pants on and into your car.

For more info, http://edition.net/Network-Monitoring-Automated-Reboot-System

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Protection for sensitive files when using Apache on an HFS+ volume

Posted on March 6, 2008. Filed under: Apache, Hosting, Leopard, OSX, Servers | Tags: , , , |

Security Update 2004-12-02 makes changes to the httpd.conf file. After a successful update, the Apache configuration file will deny access to the following files:

  • */..namedfork/data
  • */..namedfork/rsrc
  • */rsrc
  • rsrc
  • .ht* (case insensitive)
  • .ds_s* (case insensitive)

Warnings:

  1. The configuration changes that block named-fork exposure apply only to the default webserver, apache1. If you’ve chosen to use Apache2, it’s recommended that you serve content from a UFS volume.
  2. For important related information, see “mod_hfs_apple” protects web content against case insensitivity in the HFS file system. (more…)
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Basic Command Line Utilities, Tips, & Commands

Posted on February 20, 2008. Filed under: Hosting, Leopard, OSX, Servers, Software | Tags: , , , , , , , |

Many Mac users avoid the command line altogether, a reasonable amount probably don’t even know it exists. For the curious out there, here are some basic and essential commands and functionalities to know if you want to get started using the Mac OS X Terminal. We’ll cover simple file manipulation, maneuvering in the file system, displaying and killing processes, and more. Remember to remove the brackets or the commands won’t work. (more…)

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Integrating OSX Clients with an OpenLDAP Directory

Posted on February 19, 2008. Filed under: Hosting, OSX, Servers, Xserve | Tags: , , , , , |

This is an article by Adam Shand  you can view the original article at http://www.spack.org/wiki/AppleOsxIntegrationWithOpenLdap.

Where I work is primarily a RedhatLinux shop, with a smattering of MicrosoftWindows, SgiIrix and Apple Osx. While we will remain primarily a Linux house for cost reasons, Apple Osx is becoming an increasingly important part of our corporate workflow due to our dependence on quicktime, the increasing number of applications available and the increasing preference of both our artists and IT staff.

Because we already had a huge Linux infrastructure built I didn’t want to mess about with Netinfo or using an OSX Server as a bridge between our Macs and our LdapAuthentication infrastructure. I wanted our Mac’s to play nicely in our existing world, this meant that authentication, naming (users, groups etc) and automount all had to work with as little fuss or differences as possible. (more…)

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Review of FreeNAS

Posted on February 18, 2008. Filed under: Hosting, Servers, Software | Tags: , , , , , |

FreeNAS, an open source NAS server, can convert a PC into a network-attached storage server. The software, which is based on FreeBSD, Samba, and PHP, includes an operating system that supports various software RAID models and a Web user interface. The server supports access from Windows machines, Apple Macs, FTP, SSH, and Network File System (NFS), and it takes up less than 16MB of disk space on a hard drive or removable media. (more…)

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Need for a personal server? iServe?

Posted on February 18, 2008. Filed under: Apache, Leopard, OSX, Servers, Software | Tags: , , , , |

Consumers are increasingly investing in three forms of digital content (content that lives primarily on hard drives):1) commercial content, such as music, TV shows, and now movies; 2) personal content, such as photos and home video; and 3) hybrid content, commercial or public content that consumers have recorded or downloaded, such as TV shows saved on personal video recording (PVR) devices like Tivo and content downloaded from Internet sites like Google Video. (more…)

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Installing Movable Type on Tiger

Posted on February 13, 2008. Filed under: Apache, Hosting, Leopard, OSX, Servers, Software, Web Development | Tags: , , , , , , , , |

One of the biggest phenomenons to hit the Internet in the past few years has been the personal weblog: blog for short. A blog is basically a Web site that allows its owner to post his thoughts, ideas and daily happenings. Some use it as a personal diary, some as a soapbox for their beliefs.

Note: This article is written for installing Movable Type on “Tiger” (Mac OS X 10.4.x). The Panther and older OS X versions of this article, have been relocated to their own seperate, permanent pages. (more…)

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Leopard Server: Using ACLs with Open Directory

Posted on February 7, 2008. Filed under: Leopard, OSX, Servers, Software, Web Development | Tags: , , , |

In Leopard, Workgroup Manager supports rudimentary ACLs for the LDAP database. We’re all familiar with Access Control Lists by now. Especially in the Mac OS X Server community. However, we might not all be familiar with ACLs as they’re implemented in LDAP. But we should be, because LDAP is being used more and more as an address book, and with the new Directory application being shipped in Leopard it is conceivable that environments aren’t just going to use ACLs to secure LDAP but they’re also going to use them to allow users to self update their information in the directory. So in the interest of security and making the most out of the technologies build into LDAP, let’s cover LDAP ACLs for a bit. So to push beyond what you can do in Workgroup Manager, let’s take a look at building out more finely grained ACLs manually. (more…)

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Apple Remote Desktop Directory-based Authentication

Posted on February 7, 2008. Filed under: Leopard, OSX, Servers, Software | Tags: , , , , , , |

One of the great gems of Apple Remote Desktop 2, and while it’s not hidden in the documentation, no one seems to have sung its virtues – until now.
You’re going to love how easy this is…

I’m making a couple assumptions here, so before we start, here they are: You already have ARD 2 installed and set up to administer your client machines with a local account. You have LDAP set up, and your client machines are already bound into the domain.

The theory behind this is creating groups in Workgroup Manager, and then adding users who you want to be authorized to use ARD into those groups. There are 4 groups, ard_admin, ard_interact, ard_manage and ard_reports.

ard_admin will have access to all functions of ARD, ard_interact is simply interaction (like you’d get with VNC alone) with the client, ard_manage allows for more advanced features, and ard_reports can only generate reports from the ARD clients. For a clearer idea, check out the Interact, Manage and Reports items in the menubar of ARD.

Create your groups in Workgroup Manager – you don’t need to add all 4, you can pick and choose which you would like, and they can be created with any GID, it’s only the name which must be exact. Then add your ARD administrative users to their appropriate groups.

To set up the clients, you can either create your own Client Installer, or you can change your existing client settings (under the Manage menu bar item). Using the “Change Client Settings” as an example, click through the screens until you get to the “Incoming Access” screen. From here click the “Set authorized groups to:” checkbox. Keep continuing through once you’ve done this, and eventually you’ll be able to set your selecting machines with these settings.

Do check out some of the other options you can apply to your client machines using this tool, it allows you to set up, or remove local admin users, and set up other tools like openWBEM.

Once you’ve pushed out these setting to your clients, set up the computers you wish to manage in ARD, and put yourself into one of the ard_* groups, you can use your own username and password to add the clients to your computer lists. This will also make your administrative life much easier if you want different ARD users to have different abilities.

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Installing MySQL on on Mac OS X

Posted on January 30, 2008. Filed under: Leopard, OSX, Servers, Software, Web Development | Tags: , , , , , , |

MySQL on Mac OS X

MySQL has become one of the most popular databases for Web applications. The database is well suited for common Web-related tasks like content management, and for implementing Web features like discussion boards and guestbooks. For a time, some developers avoided MySQL for commercial applications because it did not implement certain features, such as transactions. But this is no longer the case, and MySQL is a great choice for just about any Web-based application. (more…)

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