5
votes
0answers
2k views

How can I test if my apache server is an open proxy?

Is there a curl command that will validate if a server is acting as an open proxy? I've tried curl --proxy http://<my server>:80 http://yahoo.com But the response from apache is: ...
5
votes
0answers
7k views

Error connecting to MS SQL from one server but not the other

We got a MS SQL server and two web site servers. I'm in the process of moving all the sites from one of the web site servers to the new one. My asp.net sites are not able to connect to the external ...
5
votes
0answers
1k views

CIFS mounts hang on read

I have a problem with a bunch of CIFS mounts that look like this: //192.168.10.2/remote-share /home/windows-shared/remote-share cifs defaults,user=xxx,password=xxx,uid=603,gid=603 0 0 This ...
5
votes
0answers
1k views

SCCM Reporting - “Report Builder click-once application does not exist on the report server”

I (and my manager) would like to be able to create custom reports in SCCM 2012 SP1 through the Configuration Manager Administrative Console from the comfort of our workstations. Unfortunately, if you ...
5
votes
0answers
192 views

grep is inconsistently defaulting to grep -P?

I have a script that does some housekeeping that works perfectly well when invoked from an interactive shell, but did nothing when invoked by cron. To troubleshoot this I started a shell with a ...
5
votes
0answers
494 views

Risks of setting noCompressionForHttp10 and noCompressionForProxies to false

We recently switched to Amazon Cloudfront for static content. It seems that Cloudfront does HTTP 1.0 requests to the origin server (IIS 7.0) using the Via header. By default IIS 7.0 disables file ...
5
votes
0answers
390 views

What does tracert make NETBIOS work on Win7?

This is really strange - I have a workaround for this (read on), but I'd love to know why it works. I had a VPN setup working fine with a WinServer2003 server and a Vista client. Then I setup a new ...
5
votes
0answers
4k views

Icinga Web no hosts/services showing up

After a fresh install of icinga 1.8 and icinga web i've added a few hosts/services and restarted the icinga service. Next i cleared the cache in icinga web through the web interface by clicking on ...
5
votes
0answers
870 views

Troubleshooting Redmine performance

I've got a Redmine instance (Bitnami Stack) that's unusually slow. Because I'm just trying to get to the bottom of this, I have some theories which I'd like to discuss here. So, if anybody has any ...
5
votes
0answers
2k views

How do I enable XRandR in Xvfb or disable it in firefox when running firefox headless?

I am trying to start firefox headless. The following is the beginning of the shell script that starts it: #!/bin/sh Xvfb :99 >/dev/null 2>&1 & XVFB=$! sleep 3 firefox --display=:99 ...
5
votes
0answers
143 views

IOS QOS service policy pass-through on a tunnel interface

I have some SIP phones on one network that go through an IPIP tunnel to get to the server. I've setup QOS rules to watch for appropriate VOIP traffic as follows: class-map match-any class-voice ...
5
votes
0answers
532 views

Creating a seperate static content site for IIS7 and MVC

With reference to this serverfault blog post: A Few Speed Improvements where it talks about how static content for stackexchange is served from a separate cookieless domain... How would someone go ...
5
votes
0answers
230 views

Group policy issues

We are having an issue on one of our clients relatively new sbs installs. The domain consists of a single SBS 2011 server with 4 Windows 7 clients and 3 XP clients. Most of the time everything is ...
5
votes
0answers
1k views

Disable history for only one task in the Task Scheduler Library?

I have selected the Enable All Tasks History option in the Task Scheduler Library of Windows Server 2008 R2. For most tasks, I’d like to have the history kept but I’m wondering if it’s possible to ...
5
votes
0answers
546 views

Using Squid as a maven repository

Does someone know how to use Squid to proxify maven repositories ? What are the configuration files for that ? The main problem is that maven client issue HTTP request with headers which control the ...
5
votes
0answers
703 views

Intermittent IIS Connection close issue

really odd one here. I have a website which runs on IIS fine most of the time. On some occasions though I get a white 404 page with the text: Not Found HTTP Error 404. The requested resource is not ...
5
votes
0answers
311 views

Firefox dynamic default preference configuration

My users are all on NFS home directories and with hundreds of users all using firefox it generates a bit of traffic reading/writing to the disk cache. As a result, I'd like to move the default ...
5
votes
0answers
1k views

Process Managment memory-leak in Windows Server x64?

After clean install and boot of OS Windows x64 I launched cmd.exe (any other exe) and closed it. Then I launch rammap.exe (http://technet.microsoft.com/en-us/sysinternals/ff700229.aspx). On the 2nd ...
4
votes
0answers
44 views

BSOD 0x09c on 50 SuperMicro machines

For a project we have 50 servers all equiped with (generally) the same hardware. The issue we have here is very serious and happens on all machines. Despite a lot of effort and contacting manufacturs ...
4
votes
0answers
50 views

IPset Alternatives and Firewall Management

I have CentOS 7, Plesk 12, 8GB RAM VPS. I have around 1000 rules in my IPtables to block abusive users. But when reloading IPtables it takes 15 seconds to reload all 1000 rules. First of all, is it ...
4
votes
0answers
47 views

Is it possible to change the SSL binding order in IIS?

I have Site A in IIS 8.0 configured to an SSL certificate with the binding ###.###.###.###:443. I also have Site B configured to a different certificate with the binding ###.###.###.###:443 (same IP ...
4
votes
0answers
57 views

Using defaultAuthenticationType with PowerShell Web Access

PowerShell web access lets you choose the authentication type. By default, it uses a value of Default, which ends up being Negotiate. I have set up CredSSP to allow logging into the PSWA server itself ...
4
votes
0answers
26 views

Domain renewal/expiration date for european domains (whois)

How can I get from the console information about domain expiration date for european domains, like .eu, .de, .sk? For .com domains I just use whois example.com, but for european domains I get just ...
4
votes
0answers
33 views

How would I know if I should I be disabling virtual NUMA on VMs running older applications?

From VMware's docs: Virtual NUMA topology is available to hardware version 8 virtual machines and is enabled by default when the number of virtual CPUs is greater than eight. You can also ...
4
votes
0answers
84 views

BackupPC using rsync fails with “protocol version mismatch — is your shell clean?”

I just installed BackupPC in a Debian box to use it as backup server. As you know, this software makes use, among others, of rsync. When using the rsync option, it fails. Server: Debian Jessie. ...
4
votes
0answers
49 views

Gains in running a docker container on the same OS type?

Are there significant gains in running a docker container based on a certain OS, on the same OS type and version?! For example, running a container based on a certain version of Ubuntu, on an Ubuntu ...
4
votes
0answers
106 views

How does Windows decides which DNS Server to use when resolving names and connected to a VPN

When connected to a VPN network how does the windows DNS client choose a prefered DNS server, between the DNS servers configured for the local connection and the server statically defined for the VPN? ...
4
votes
0answers
40 views

SELinux: manually changing files in /etc/selinux/targeted/contexts/files/

I'm setting up a CentOS 7 server in which the /home directory has to be located on another partition and then mounted with bind-mount. So: /data/homes should be bind-mounted to /home. The problem is ...
4
votes
0answers
43 views

How to allow a Windows Client to follow a Remote Symbolic Link Transparently

Here's the scenario. Client - Windows 7 workstation ServerA - Windows 2008 file server ServerB - Windows 2008 file server On ServerA: mklink /D c:\Share\Link \\ServerB\Share\Dest That works ...
4
votes
0answers
47 views

Windows 10 System Crash Then Overwrites profile

So this has happened to me 3 times now. We have about 25 computers running windows 10 enterprise. All domain joined, all using roaming profiles (fortunately). And in the last 2 months ive had this ...
4
votes
0answers
45 views

Nginx forward tls based on domain

Is it possible to forward some tls requests based on their domain name to another server (via nginx)? I have a public nginx server which serves some pages via http and https (in the image b.com). ...
4
votes
0answers
66 views

Windows Server Clear on Logout Policy

I was wondering is it possible to create a policy on Windows Server 2008 R2 or 2012 that will clear everything (all files from desktop, documents, etc) once the user has logged out of the system? It ...
4
votes
0answers
93 views

DFS: File randomly missing?

We have a DFS installed on two different servers. Running health reports finds no errors and generally everything seems OK, but: On some computers, files will be saved on a DFS folder randomly, ...
4
votes
0answers
104 views

Exchange 2013 Internal and External URLs with multiple servers and certificates

I'm building a lab with two Exchange 2013 Servers with different internal names and only one external URL, the naming schema is something like this: Internal Names: exchange1.local.example.com ...
4
votes
0answers
45 views

What are sensible semaphore numbers?

What are semaphores and how are they caused? has a fairly good explanation of what semaphores are, but I'm not sure what my configuration should be. I recently ran into the same problem as that ...
4
votes
0answers
186 views

Why does Windows Server 2012 R2 Standard edition show only 20% of my available memory?

Fellow Techies-- I have a LENOVO x3650 X6/x64 based Windows server with 4 18 cores/36 logical processors-- with installed physical memory (ram) @1.5 TB, total virtual memory @1.5 TB. However, I am ...
4
votes
0answers
204 views

Using get-wsuscomputer with -ComputerUpdateStatus

I have WSUS installed on a Server 2012R2 box. I am trying to use the Get-WsusComputer powershell command to get a list of computers with pending or failed updates. The documentation for the command ...
4
votes
0answers
54 views

How can I provide services to an internal air-gapped extranet

Background - "Extranet" We have about a dozen users that are on what I would call an Extranet. It is an air-gapped LAN that is physically in the same location as our primary LAN. We share the ...
4
votes
0answers
261 views

Node.js Server with PM2 Crashing with error ENOMEM - but no memory leak

I have an EC2 instance running a node.js server (Express based). After deploying in a new environment, my service had started crashing almost instantly with spawn ENOMEM Errors like this one: ...
4
votes
0answers
73 views

udev rule not applied on boot for mounted disk

I'm trying to persist a readahead rule on a mounted drive to use with mongodb. The mount is persisted using /etc/fstab and that works as expected. I have added a udev rule ACTION=="add", ...
4
votes
0answers
193 views

How do I get an aggregate of all the stats from all uWSGI vassals using uwsgitop?

TL;DR Can anyone tell me how I may get uwsgitop to monitor all of my vassals in my emperor-vassal setup in one shot? I have an emperor-vassal setup for my uWSGI server, and I need to monitor all ...
4
votes
0answers
51 views

Breakdown Windows Network IO by network adapter and by process

What I'm trying to do is breakdown the Network IO by network adapter and by Process. The goal is to identify which processes are generating the most IO on a certain network adapter. Resource Monitor ...
4
votes
0answers
186 views

HP MSA P2000 G3 Disk Scrubbing performance?

I have a HP P2000 G3 array with two 10Gbit iSCSI controllers in it that presents storage to my virtualisation cluster. It is soon to be expanded with two D2700 shelves each loaded with 25 10k RPM ...
4
votes
0answers
88 views

windows10 setup.exe lost support for /m?

setup.exe (the program which kicks off the windows installer) as distributed in the windows 10 general release no longer supports the /m option -- this option let you specify a directory of content to ...
4
votes
0answers
229 views

Signout with ADFS3 with SAML

I have implemented SSO using ADFS3. I have a logout button for sign out and it’s working fine with my ws-federation passive endpoints. On logout I redirect user to logout.aspx page and there I have ...
4
votes
0answers
319 views

Why can DNS server not resolve any domain ending in .io?

I have two windows domain controllers. 10.10.10.10 Primary ( win 2008 r2 ) 10.10.10.20 Replica ( win 2012 r2 ) The second one is configured as a replica of the first. About once per week, the ...
4
votes
0answers
99 views

Blue-green deployment for Jenkins itself

When I tinker with my live Jenkins instance, I risk down time. Thus I want to run blue and green Jenkins master instances. This way, I can work on one while the other is live and stable. As ...
4
votes
0answers
217 views

some IPs within a subnet not reachable

I'm running 3 Debian-Servers, each with its own IPMI. All IPs are within the same subnet with the same gateway. The problem is, that each server can ping its own IPMI but not the IPMI of the other 2 ...
4
votes
0answers
80 views

all dfs replication groups failing at the same time

We have 2 pairs of fileshare servers. All servers are virtual Windows 2008 R2. Each pair is replicating over a WAN. Occasionally all DFS replication groups fail at the same time. I could not find any ...
4
votes
0answers
117 views

What would be involved in moving a site like stackoverflow to https?

I've seen a lot of requests in the SO Meta asking for StackOverflow to be moved over completely to https. I've never run a site as large as Stack Overflow, so enabling SSL/TLS has always just meant ...

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