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we considered that, but space and power on the aircraft is limited which is why we are consolidating our current system (laptop with USB and firewire components ... about 4 or 5U of space) into a single 2U box.

I'm building a data system for an aircraft mounted instrument that will basically dump a stream from a highspeed IP camera to disk. We are looking at using a 2u rack mount server capable of holding 6 disks: 2 would be dedicated to main and redundant system disks and the other 4 for data...

...external auth and pwauth, so the users unix accounts are already linked. Here is my config for the common repo that is working <VirtualHost *:80> ServerName common.svn.xxx.xxx ServerAdmin xxxx@xxx.xxx DocumentRoot /var/www/SVN AddExternalAuth pwauth...

I have a small group of research machines, including a dedicated file server connected to a raid. All machines are running the latest Ubuntu server. I'm attempting to set it up so that I can have centralized user management and user home directories. The machines will all be headless with...

This is kind of a strange issue. My windows clock keeps reseting to the date and time that I turned the computer on (Monday Dec 28th at 8:30pm) every single time it comes out of standby. My first thought was the CMOS battery, but wouldn't that constantly reset the time back to some date in the...

We have an MPLS network with several remote nodes that route back to a headend network. This network provides internet traffic for approx 100 users on each node. The main router is connected to the MPLS cloud via a 6 Meg pipe (moving up to a 10 Meg shortly) and each remote node is linked to the...

It depends on what you really are looking for. Are you looking for something like an IPS that can look for patterns and shut down traffic automatically, or can they be separate tools? For monitoring, there are two basic methods. The first is to install a hub inline or create a mirrored port...

Then a pipe might not be the way to do it. My idea was basically a proxy. The reader opens the proxy (Pipe, script, whatever), which in turn opens the actual file to be read. The proxy just passes on the read request and modifies the return on the fly, so the EOF the reader gets is the EOF in...

Although the better solution would be to setup nagios (apache) to authenticate to ldap and stand up an ldap server. I believe there are plenty of how-to's out there for this." That's actually what I ended up doing. I configured apache to authenticate against our Active domain controller and...

...None Order allow,deny Allow from all AuthName "Nagios Access" AuthType Basic AuthBasicProvider ldap AuthLDAPURL "ldap://adc.*******.net/OU=****** Users,dc=******,dc=net?sAMAccountName?sub?" AuthLDAPBindDN "helpdesk@******.net" AuthLDAPBindPassword ******* Require...

the htpasswd file just contains a line with the username and the hashed password: username:alkshflakueLKJHFdLSKdjf username2:adfieweoiuvklnem etc. I did figure out that I can symlink the /etc/shadow file and have it work, but I have to give the apache user read access to it. I'm not sure how...

x2 on nagios. You can do very basic monitoring and alerting with it or coax it into performing some pretty amazing feats.

I have an ubuntu 8.04 server running nagios. It uses htpasswd for authentication and user privileges. I would like to sync the passwd file to the htpasswd file so that when I add or remove a user from the machine (or they change their password in the shell) the changes are immediately...

Any chance you can place that dhcp server inside the network, thereby not NATting the requests?" We are actually going to try it with a VPN. We are going to set up a network at the office for the CMTS, modems and management servers that we will extend to the sites with a VPN tunnel, then just...

I have a complicated network layout and I need some help getting it working. I have a local network that is connected to the internet via a NAT router. This public circuit only has a handfull of public IP's. On the local side of the network resides a CMTS, which is a layer 2 bridge...

I like that idea of modifying an outdoor box. Might try that. This is kind of a unique situation. The equipment is a headend for a HFC network delivering cable TV and cable internet for an apartment complex and is located in the complex's maintenance shop. The properties are all remote, so...

I am having an issue with maint personnel messing with the power supplies that run critical networking equipment. We've had the entire network go down on a few occasions because they unplugged the power strip to plug in something else, or they plugged something into the power strip and...

thanks, that worked. I originally tried using the pipe, but it would break with the perl script. Switched it over the bash script and it's working well. Thanks.

Is this an attempt to add some sort of error handling to the ftp script? If you don't have a lot invested in this script already, you might consider performing this action in perl. The Net:FTP bundle will already deal with errors. The only reason I suggest this, is because I was working on a...

I'm using cron and fetchmail to poll a mail server on a regular basis. For sake of redundant record keeping, I need to log the output of the fetchmail command every time it is run. This is not hard, as all I need to do is redirect it to a log file with a >> in the cron line. My issue is that...