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Questions tagged [stability]

23 questions
10
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3 answers

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 install of a minimal server Noticed Centos is now at 6.4 I…
Adrian Torrie
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10
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3 answers

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 code in a VMWare ESXi 4.1u2 VM on W2K3EE-32-bit…
Chopper3
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8
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2 answers

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 dispatcher. However, their server room is in…
Tablemaker
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8
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3 answers

What is the best practice to keep a linux ubuntu server up to date (build packages, dist-upgrade, alt repos...)

We are running a production server based on Ubuntu 9.10 Karmic Koala, kernel is almost up-to-date (2.6.38.2-grsec-xxxx-grs-ipv6-64) but karmic package repository is now ridiculously outdated, eg. Nginx is 0.7.62 - really buggy - while latest stable…
Stefano
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5
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1 answer

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 received...), which some say is caused by under-volting a…
GregC
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3
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3 answers

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, and also we have test data for our application,…
Jason T
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3
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3 answers

While gentoo is doing emerge update world, can I safely work in another terminal window (ALT-F3 for example)?

Got a new Gentoo installation, and doing a long emerge update world. I noticed that the other terminal windows are still available (ALT-F2, ALT-F3, etc.). Is it safe for me to work in them while the emerge world process continues? Any limitations…
Charlie Flowers
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3
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1 answer

Update specific list of packages with yum

As most company we have different pre-production environment: development, integration, staging, production. We would like to keep these env OS updated but we would like to perform yum update in development, after a couple of days update the exact…
Luca Moscato
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2
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1 answer

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 service has recently started crashing. This is bad,…
Paul
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2
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1 answer

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 in priority. I added a rule on the trunk, here is…
frinux
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2
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2 answers

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 through Tomcat's AJP connector, but also via the…
Nic Cottrell
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2
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3 answers

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 restricted by password). For a rather simple need,…
Anton Babushkin
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2
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4 answers

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 running SQL queries, it is about the RDP…
MetaGuru
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1 answer

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 flood into the target? What if he/she forbid the…
simonmysun
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1 answer

Power surge protection on office LAN, medium-small scale

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, screamingly bad electricity. The voltage coming…
Ben
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