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0
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1answer
81 views

How to defense a DDoS powered by end user's browser?

Like what Github.com has just experienced, what if a script provider, such as google ads, google analysis or something similar, add a malicious scripts at the end of their script, and let end users ...
1
vote
1answer
195 views

Win 2008_R2 print spooler issues and Client freezes

Environment: Windows 2008 R2 Print Server (Virtual) 178 Printers installed. All using TCP/IP Many different printer brands Most all employees print through this print server Problems: The spooler ...
0
votes
0answers
60 views

Is mod_lua a stable solution for dynamic apache vhosts?

I've been looking for a dynamic vhost solution for apache to support a SaaS product with custom domains. Due to the requirements of the application it must run apache and ideally the configuration ...
2
votes
1answer
541 views

Load balancing SDSL + ADSL with Zyxel USG-100

I have a Zyxel gateway/firewall, and two Internet connections : SDSL (4MB up, 4MB down) and ADSL (15MB down, 1MB up). I'm trying to configure my Zyxel to use the two connections, and to use the SDSL ...
0
votes
1answer
1k views

How to diagnose Tomcat 6 suddenly stop responding?

I run a number of tomcat instances and occasionally some just stop reponding to requests - timeout on every connection. I'm using AJP with mod_proxy in Apache 2.2. I get a timeout via Apache/AJP ...
5
votes
1answer
179 views

How to verify power provided to processors is clean

Once in a blue moon, I am seeing a blue screen of death on a shiny new Dell R7610 with a single 1100 Watt Dell-provided power supply on a beefy UPS. BCode is 101 (A clock interrupt was not ...
7
votes
2answers
5k views

How do I keep Centos at version 6.3?

I have the following: Bunch of guest VM's that are running Centos 6.3 Host running Centos 6.3. Recently I created a new Centos 6.3 VM to test out something Ran yum update after a fresh ...
-2
votes
1answer
552 views

Stress (Linux) Settings, Expectations, and Questions [closed]

Just got some new Cores and RAM in last week, wamnted to stress test them and see if they were any good. Unfortunately I couldn't find any real resources on how to do this without an OD so I fired up ...
1
vote
1answer
148 views

Power surge protection on office LAN, medium-small scale [closed]

I've got an office LAN setup with about 15 computers, which is due to expand to 30 before long. Each computer is on its own voltage stabilizer and UPS. I live in a place with horrible, substandard, ...
10
votes
3answers
336 views

Application “not supported” in a VM?

We bought some software from a small'ish company, it's a Windows 32-bit video content workflow manager, there's been some customisation by them. We've been working fine for over a year running this ...
0
votes
1answer
530 views

How to protect Ubuntu 10.04 in the face of power cycling?

Disclaimer: I am no Linux guru. I would describe my competency in linux as "passing" at best, meaning I'm comfortable using the command line, but still rely very heavily on the man pages/forums to ...
2
votes
3answers
291 views

Multiple IP addresses vs. Reverse Proxy / Apache Rewriting

We're a small business and trying to decide on the best architecture for our internal boxes. We have some dev, production and staging environments. All of them are publicly accessible (but of course ...
0
votes
1answer
487 views

Error while loading shared libraries /lib/libsepl.so.1: cannot read file data

I've created quite a predicament with my desktop installation and would prefer to be able to salvage it instead of having to reformat/re-install Ubuntu. Quite a lot happened and here's my best ...
8
votes
2answers
320 views

Ways to convince management of a high cost

new here, greetings and such. My problem is relatively simple, but the situation is a tad odd. Currently, I have just been hired on to improve (essentially fix) a server room for a health care ...
2
votes
3answers
838 views

What are the risks of leaving an RDP session open to a Producton app or SQL server?

Sometimes we have support and maintenance people logged into our Production apps and SQL Server all day long, sometimes hopping in and out to run SQL various queries. However this question isn't about ...
0
votes
1answer
91 views

Any technical reasons for avoiding GUI on 64-bit Windows Server 2008 R2?

I am new at setting up servers. I can see people reaching for console-only installations of web and SQL servers. I realize that low-quality graphics drivers and the simple fact that graphics driver ...
3
votes
3answers
806 views

Stability, x86 Vs Sparc

Our project are plan to migrate from Sparc to x86, and our HA requirement is 99.99%, previous on Sparc, we assume the hardware stability would like, hardware failure every 4 month or even one year, ...