4
votes
0answers
3k views

SSL verification error with git (on github) on Ubuntu 14.04

I'm trying to clone the atom repository that just went fully open-source and I've run into some trouble. Attempting to git clone the repository is producing an SSL error: wug@wugputer:/src/test$ git ...
4
votes
0answers
3k views

DHCP Server Not Offering to PXE Client

DHCP Server Not Offering to PXE Client BACKGROUND: I'm in the process of adding PXE services to an existing SCCM 2007 server. The SCCM server is separate from the DHCP server (Server 2008 x86) and ...
4
votes
0answers
385 views

How to investigate the cause of a 100% CPU event that lasted for hours?

Yesterday the CPU on my Xen-based VPS server went to 100% for two hours and then went back to normal, seemingly naturally. I have checked logs including syslog, auth.log and more and nothing seems ...
4
votes
0answers
766 views

What does “connections reset due to unexpected data” in netstat -s mean

I'm running a memcached server under heavy load from multiple web servers. While investigating some odd app level behaviour, we spotted that netstat -s on the memcached box was showing a lot of "...
4
votes
0answers
877 views

TCP connection timeouts that persist - listener queue backlog?

I have an app running on AIX 6.1 that has a single server process that listens for and polls tcp connections and simply forwards on messages to another process using an IPC message queue. It's been ...
4
votes
0answers
32k views

Windows 7 there are no logon servers available to service the logon request subdomain

I've read other solutions, but my problem is slighlty different. Problem occurs in domain environment. We work in a subdomain, but we also have some employees coming with notebooks registered in top ...
4
votes
0answers
1k views

java.lang.NullPointerException When Doing A Read in HDFS

I have had a 10 node HBase cluster up and running for the past 4 months. The cluster was setup on VMs in a corporate environment which I do not control, but everything has been working great...until ...
4
votes
0answers
919 views

FallbackResource in subdirectory

I manage a large number of PHP applications using front controllers and the following htaccess file: FallbackResource /index.php Yes, that is the entire file (for each application)! However, a few ...
4
votes
0answers
107 views

Windows 8 inbound IPsec authentication failing?

I am getting some very strange behavior out of the Windows 8 Advanced Firewall / IPsec implementation. It appears now that all inbound traffic that isn't return traffic from a previously contacted ...
4
votes
0answers
353 views

IIS httpErrors ExecuteURL appends weird query string like 500;http://mysite.com/failed-page to the target URL

I've noticed weird behavior in IIS error pages. I've got this setup: <httpErrors errorMode="Custom" existingResponse="Replace"> <remove statusCode="500" /> <error statusCode="500" ...
4
votes
0answers
1k views

Offline Address Book Generation issues Exchange 2010 Events 9331 & 9358

I am doing a double hop migration from 2003 to 2013. I have already migrated to Exchange 2010 however I think there was a hiccup with the public folders and replication. All of the public folders are ...
4
votes
0answers
1k views

Nginx cache shared between multiple servers

We have 8 REST-ish API servers with Nginx using FastCGI with PHP-FPM to handle requests. We're currently using Nginx' FastCGI caching (directives like fastcgi_cache_path). This means that API ...
4
votes
0answers
460 views

Automating Configuration of VMware's vSwitch (OpenStack/libvirt/Nova)

There's a lot of talk now about VMware integrating with OpenStack now. I've noticed that Nova network service is working with VMware's standard and vDS. Deploying a full OpenStack instance is not ...
4
votes
0answers
369 views

Running fstrim as cronjob - what happens when interrupted by shutdown

One of the ways to implement fstrim on a file system, it to make a cron.daily task that runs fstrim /. This is preferred over -o discard (mount option) by a lot of people, because the latter can make ...
4
votes
0answers
308 views

Exchange 2010 and 2003 Co-Existence - Mail flow and Public folder issues

Hopefully someone out there can help me out. As the subject says i have exchange 2010 and 2003 in a co-existence mode. I have configured public folder replications and plan to use the powershell ...
4
votes
0answers
440 views

Minimum Privileges for vmware user for Foreman 1.4 Compute Resource

I am currently trying to add a ESXi cluster I have into Foreman 1.4.1, and am running into a problem with permissions. Currently, I've given a service account the following rights: Datacenter-Level: ...
4
votes
0answers
801 views

Adaptec pm80xx Driver Drops Drives Randomly

I'm building a ZFS NAS using an Adaptec ASA-71605H HBA on Ubuntu 12.04.4. Modern Linux kernels ship with the open-source version of the required pm80xx kernel module. Adaptec provides a driver for ...
4
votes
0answers
257 views

To VDI or not? Having a central desktop for a group of old computers

I'm planning to work on a contract with a nonprofit organization that supports low-income areas in the South-east Washington D.C. area with computers as a community service so that people can use the ...
4
votes
0answers
342 views

Some systems not attempting to register IPv6 reverse

I have a few Windows 2012 systems in my domain that are not dynamically updating their records in the ip6.arpa zone for their assigned IPv6 addresses. I have systems that are publishing their record ...
4
votes
0answers
2k views

Apache 2.2 fails with “unable to write 'random state'” with 2048-bit RSA key (1024-bit works fine)

I'm usually pretty good with Apache and OpenSSL, but this one has me completely baffled. I'm running Apache 2.2.22 and OpenSSL 1.0.1 on a Ubuntu 12.04 LTS Server. I have an IP-based virtual host ...
4
votes
0answers
8k views

How to recover an mdadm array on Synology NAS with drive in “E” state?

Synology has a customized version the md driver and mdadm toolsets that adds a 'DriveError' flag to the rdev->flags structure in the kernel. Net effect - if you are unfortunate enough to get a array ...
4
votes
0answers
3k views

Unable to discover iSCSI targets

I have a trio of CentOS 6.4 machines that I'm trying to configure to use iSCSI. Basically two different initiators talking to two different targets on a single host server. On one machine, "the ...
4
votes
0answers
678 views

UDP Overflow / UDP Drops on Standby Postgres Service

I am stumped trying to prevent an overflowing UDP buffer on a standby Postgres service. Any help would be most appreciated. Essentially a UDP buffer associated with the pg_standby process on my ...
4
votes
0answers
488 views

How do you use patterndb variables in syslog-ng?

I'd like to parse some custom (network appliance) syslog files to create my own formatted output. As I am new to syslog-ng & patterndb I have been trying to build an example using the ...
4
votes
0answers
756 views

Multiple Valid Certificates in Windows 7 breaking Wired 802.1x Deployment

I have a Wired 802.1x deployment using TLS machine authentication on Windows 7 (built-in 802.1x supplicant) with the necessary certs (FreeRadius v2.2.3 generated on Linux). Cisco C2960 POE switch is ...
4
votes
0answers
957 views

Nginx returning 408 error with XHR2 file uploads during mid-upload

A customer of mine is trying to upload a file to our remote nginx webserver via a form POST using XHR2 form data (and a cross-domain request with CORS). During mid-upload, the webserver returns a 408 ...
4
votes
0answers
791 views

Windows Server Backup “the parameter is incorrect” on Hyper-V Core

In my lab I run a Hyper-V Server 2012 Core to run multiple test-systems virtualy. To backup my system I want to use the "Windows Server Backup" role/feature. This role/feature works fine on other ...
4
votes
0answers
2k views

KVM guest cannot write to 9p share owned by non-root

I am aiming to set up full write access to a 9p share for a KVM guest. Both host and guest have the same users/groups with the same IDs. Both host and guest should be able to write to the share using ...
4
votes
0answers
554 views

Outlook Change Password Prompt - What enables this, and what do I put for Exchange Server?

One of my end users sent me this screen, which is obviously indicative of an expired user password I'm unable to replicate this in my lab, nor do I know what value to put in for Exchange. (is it ...
4
votes
0answers
134 views

Configuring Container with bridges and vlans (server only?)

I have two groups of lxc contianers on a server and want to isolate their network traffic for security reasons. I will be using port forwarding so the containers much each have separate IP's. I know I ...
4
votes
0answers
733 views

Branch office & DNS

We've got a branch office with no on-site services at the moment and we'd like to change that. The biggest goal is to setup some file servers but faster log ons and DNS resolutions will be welcome as ...
4
votes
0answers
808 views

GitlabHQ + Gitlab-CI: customizing build logic

We are using GitlabHQ and Gitlab-CI in our infrastructure. Having such continuous integration set we are willing to customize the build logic in CI. Right now on new commit GitlabHQ triggers a hook ...
4
votes
0answers
5k views

Access to message queuing system is denied MSMQ?

My problem is a little confusing. I have 2 servers (Windows Server 2008 R2) with MSMQ installed and I want to use Server B to consume a MessageQueue on Server A. When I try to Receive it always ...
4
votes
0answers
656 views

ARR reverse proxy to Azure Website inside Azure Cloud Service

I am trying to rewrite www.contoso.com/blog/ to a wordpress Azure Website (contosoblog.azurewebsites.net). I have completely configured all inbound and outbound rules, and have tested them locally on ...
4
votes
0answers
256 views

Windows Server wbadmin recover with commas

I want to do a recovery of files with commas in their names from the command line, ala: wbadmin start recovery -version:10/01/2013-12:00 -itemType:File -overwite:Overwrite -quiet "-Items:C:\Path\To\...
4
votes
0answers
546 views

Hyper-V 2012 host caching half the RAM

We have a Windows Server 2012 Hyper-V host that has 32 GB of RAM running two Server 2012 VM's. The machines have dynamic memory enabled, but combined are only using 17 - 17.5 GB. We received an alert ...
4
votes
0answers
381 views

Error during GENERAL_REQUEST_ENTITY for POST results in ASP .NET session state never getting unlocked

I have been trying to chase down the root cause of a condition where ASP .NET session state remains locked after a web request has been terminated due to an unexpected error. We use the SQL Server ...
4
votes
0answers
2k views

Server Manager 2012 - FileServer.events.xml cannot be enumerated

I've got server manager running on my Windows 8 PC and it worked fine up till now. When trying to refresh a certain machine running server 2012 I'm getting the warning: Cannot get event data In ...
4
votes
0answers
384 views

configure OpenSSH to prefer public key auth, fall back to empty password auth

I would like to configure OpenSSH 6.2p2 for a service account (we'll call it "serviceacct") with an empty password which does the following: First try public key authentication; if it succeeds then ...
4
votes
0answers
746 views

Broadcom BCM57810 iSCSI offload performance

Anyone out there doing iSCSI offloading using Broadcom BCM57810 10 gigabit ethernet cards? My test scenario Network.... 2 x Dell Force 10 S4810 switches Client.... Dell R620 24 core 128gb memory ...
4
votes
0answers
448 views

snmp MIB-TCP::tcp not showing any usage

I am trying to configure MRTG on all of my servers for making a network weathermap, this requires running SNMP which MRTG gets the information from. So, I installed it on two servers the exact same ...
4
votes
0answers
371 views

NIS client doesn't see group names

I have added a user to libvirt (id = 504) group on NIS server. On the client when I do group <user>, I get <user> groups: cannot find name for group ID 504 What should I do to get my ...
4
votes
0answers
935 views

How to debug CGI over fcgiwrap/nginx

I serve executable scripts (mainly in C) through fcgiwrap connected with nginx. Since the scripts are complied, I can get the coding errors during compilation, but sometimes I receive CGI errors ...
4
votes
0answers
1k views

How do I reduce the threads per process limit for an ISAPI app under IIS 7.5

I have a python WSGI application running under an ISAPI extension in IIS 7.5 on Windows Server 2008. I would like to increase the number of worker processes (which I know how to do) and reduce the ...
4
votes
0answers
369 views

How do I clear cached SSL state data from schannel?

I'm trying to clear SSL state data for a normal TLS session (no client certs are involved) for Outlook when connecting to a SSL based CAS server. How do I clear the SSL state of SChannel? Does the ...
4
votes
0answers
1k views

IPv6 default gateway route disappear after reboot

I'm using Debian Wheezy on a dedicated server which uses IPv4 and IPv6 at the same time. ifconfig eth0 eth0 Link encap:Ethernet HWaddr 11:11:11:11:11:11 inet adr:90.0.0.1 Bcast:90....
4
votes
0answers
1k views

IPv6 routing over OpenVPN

Trying to learn how IPv6 works with OpenVPN, so I wanted to setup following scheme. I have a VPS server (Ubuntu), which have been allocated a /48 subnet. ISP ipv6 gateway is XXXX:XXXX:XXXX::1 Server ...
4
votes
0answers
235 views

Cisco ASA ipsec vs Anyconnect client issue

So I have an iPad that has a IPSec VPN created. I am able to connect from the outside fine and I can access my local LAN files just fine. When I connect with the Cisco AnyConnect client from the same ...
4
votes
0answers
151 views

Bad Image error when opening SCVMM Admin Console

I have recently installed SCVMM onto a Windows Server 2008 R2 Standard box following the instructions on MSDN. This is being installed using a virtual ISO emulator rather than a DVD. The initial ...
4
votes
0answers
2k views

ip6tables port redirect with TPROXY on IPv6 only

Our server is IPv6 only connected and an applications listen to port 8080 at private network, but we need port 80 at public Internet. On purpose of testing, when opening the firewall for port 8080, ...

15 30 50 per page