3
votes
0answers
64 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 ...
3
votes
0answers
202 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 ...
3
votes
0answers
61 views

mod_evasive with Apache/2.2.16 dosn't work when I use curl

I have apache server: Server version: Apache/2.2.16 (Debian) Architecture: 64-bit threaded: no forked: yes (variable process count) Server compiled with.... -D ...
3
votes
0answers
494 views

Users suddenly missing write permissions to the root drive c within an active directory domain

I'm managing an active directory single domain environment on some Windows Server 2008, Windows Server 2008 R2 and Windows Server 2012 machines. Since a few weeks I got a strange issue. Some users ...
3
votes
0answers
356 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 ...
3
votes
0answers
216 views

veto files on a Windows Share

On Linux you can just edit the smb.conf file and add a veto files setting to ignore and delete certain files, this came in really handy as both OS X and Windows love to create extra files. However, ...
3
votes
0answers
305 views

linux initcwnd and initrwnd via /etc/sysctl.conf

Folks, As we know, the 3.x kernels have higher TCP default connection values, such as initcwnd and initrwnd. For 2.x friends, is there a way to set these in /etc/sysctl.conf instead of the ip route ...
3
votes
0answers
170 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 ...
3
votes
0answers
164 views

Restrict access to RD Gateway based on IP

I'm trying to restrict who can access our RD Gateway based on both their group membership and IP address (so people in group A can only access the system from IP address X). The Network Policy Server ...
3
votes
0answers
149 views

Brocade firmware update for ICX6450-48P switch

I just received some Brocade switches that are going to replace ancient Cisco ones on my network. The switches are running 07.4.00b of Brocade's firmware, and I'd like to know if it is safe to update ...
3
votes
0answers
75 views

Puppet removes packages while installing “lsscsi”

We wanted to install the "lsscsi" package on all our Linux Servers and build a manifest for it: # pack_lsscsi.pp class common::pack_lsscsi { case $operatingsystem { RedHat, ...
3
votes
0answers
103 views

Verifying Salt states before committing

I'm storing my salt sls files in a git repository, but I have the perennial problem that I can't verify my YAML represents a valid set of states that could be applied (I've also had difficulty ...
3
votes
0answers
87 views

How to use puppets stored config & concat to generate a semicolon seperated list of ip adresses?

puppet version 2.7.18 stored configs (not puppetdb) I my case i have 3 couchbase nodes, which should be concated to an couchbase connection string which looks like that: ...
3
votes
0answers
170 views

Logstash Date Has the Wrong Year?

I'm parsing Nginx logs into logstash with the following config: input { stdin { type => "nginx"}} filter { grok { type => nginx pattern => "%{COMBINEDAPACHELOG}" } ...
3
votes
0answers
429 views

subversion load fails with “no such revision”

I'm trying to learn how to migrate a Subversion repo, and am running into an issue that doesn't make sense to me. I've used svndumpfilter to split out a sub-project, and have removed some path ...
3
votes
0answers
146 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 ...
3
votes
0answers
87 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 ...
3
votes
0answers
1k views

How to fix Hadoop HDFS cluster with missing blocks after one node was reinstalled?

I have a 5 slave Hadoop cluster (using CDH4)---slaves are where DataNode and TaskNode run. Each slave has 4 partitions dedicated to HDFS storage. One of the slaves needed a reinstall and this caused ...
3
votes
0answers
81 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 ...
3
votes
0answers
49 views

Windows PKI: How can I import, sign/issue and export a large number of CSRs?

I have a lot of CRS that I need to have signed/issued and exported in windows. I was hoping I could batch process them somehow (certutil sounds like it can do some of the work) but I'm not quite sure ...
3
votes
0answers
304 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 ...
3
votes
0answers
68 views

reprepro use when multiple sources have the same codename

I'm investigating the use of reprepro to control what updates get propagated to our servers, and when. The idea is to vet updates by Debian and Ubuntu, and only apply the ones we choose. We want to ...
3
votes
0answers
137 views

Network filtering with libvirt + xen + bridge + nat?

How can I properly add basic network filters (clean-traffic or, at least, ip-spoofing prevention) to XEN (xend) guests managed by libvirt? Or, in particular, can I manually execute libvirt's ...
3
votes
0answers
578 views

Analyzing BSOD dump file from Windows 2008 R2 SP1

I have a problem with a virtual Windows Server 2008 R2 SP1 server running withing VMWare. The server is running Citrix and also has Symantec Endpoint protection installed. It randomly crashes and goes ...
3
votes
0answers
148 views

Puppet Error: undefined method 'captures'

I posted this question on the networkengineering SE site, but it was determined to be off topic.... blah. I'm toying with the idea of using puppet for core network device configuration to increase ...
3
votes
0answers
4k views

OpenWrt Configuring Tagged and Untagged VLAN on the Same Port

I have installed OpenWrt on a MikroTik Routerboard RB750UP (AR7240 CPU with AR9330 built in switch). I have included additional details below, but my question is: How do I configure an untagged and ...
3
votes
0answers
118 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 ...
3
votes
0answers
83 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 ...
3
votes
0answers
76 views

ISA wrong translation of the schema URL included in WSDL

I have a WSDL behind ISA server. The WSDL includes a schema <xsd:include schemaLocation="myschema.xsd"/> However, when accessed through ISA, some implicit mapping changes the server name to the ...
3
votes
0answers
323 views

Linux/Apache 2.4.3 MPM event error scoreboard is full, not at MaxRequestWorkers

I have a server used for shared hosting running Linux/Apache 2.4.3 event MPM Apache is reporting "error scoreboard is full, not at MaxRequestWorkers" in the error log every second. I don't know what ...
3
votes
0answers
420 views

Trouble passing Trustwave PCI Scan due to BEAST vulnerability

I'm at my wits end with this one! I am not a CI/networking person to begin with, and so I apologize if I am asking the wrong question/giving the wrong information. I am working on trying to get a ...
3
votes
0answers
262 views

mysql client slow login strace

I am experiencing an issue with slow connections/logins to a loaded mysql server, even when connecting via the unix socket file (CentOS 6.3). Queries are completing very quickly -- (0.00 sec) in this ...
3
votes
0answers
432 views

DHCPREQUEST and DHCPACK spam in logs

I've recently noticed that my android phone (droid dna, although the thunderbolt that I had before did the same exact thing) is rapidly requesting dhcp info my dhcp server (isc-dhcp-server on debian ...
3
votes
0answers
443 views

Samba4 as an Active Directory Controller and bind9 zones

I am trying to setup Samba4 as an active directory controller by following these two tutorials: http://www.matrix44.net/cms/notes/gnulinux/samba-4-ad-domain-with-ubuntu-12-04 ...
3
votes
0answers
162 views

Overlapping subnets - VPN

I have Site to Site VPN on Debian box which is setup by rackoon. It works fine, however because subnetworks overlap NAT is used on both ends of the VPN (1.1.1.1/32 & 2.2.2.2/32) On both subnets I ...
3
votes
0answers
213 views

What Samba settings to use for perfect emulation of Windows ACLs

Can anyone suggest what settings I should use with Samba to get full support for Windows ACLs? At the moment I have the following configuration: /etc/fstab: acl,user_xattr ...
3
votes
0answers
1k views

connect Open vSwitch switch to real network : iptables masquerade

I'm using Open vSwitch to create a switched network between virtualBox guest machines, and i want that the host OS (Ubuntu 12.04) join this network and to configure it as the gateway of this virtual ...
3
votes
0answers
298 views

Samba4 share: Windows can read/write, OS X can only read

In the last few days I've played around with Samba4. I've created a new domain, some shares and everything works well. At least when I'm working with windows. We have some OSX clients an I'm testing ...
3
votes
0answers
386 views

Windows Server 2012 - Hyper-V - iSCSI SAN - All Hyper-V Guests stops responding and extensive disk read/write

We have a problem with one of our deployments of Windows Server 2012 Hyper-V with a 2 node cluster connected to a iSCSI SAN. Our Problem Our problem is that for some reason all of the VMs stops ...
3
votes
0answers
231 views

ImportError: No module named flask - uwsgi and buildout

uWSGI config: <uwsgi> <module>app_wsgi:app</module> <pythonpath>./src</pythonpath> <socket>/tmp/uwsgi.sock</socket> ...
3
votes
0answers
376 views

Dynamic ARP Entries turning into Static ARP entries

I recently acquired a client that has a strange ARP caching issue on one of thier servers. I have a server that will eventually start turning it's dynamic ARP entries into static ARP entries. This ...
3
votes
0answers
298 views

Quantifying the effects of partition mis-alignment

I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that ...
3
votes
0answers
193 views

Samba4 locked pst files

i have a samba4 server that holds my clients outlook pst files, if the outlook client or the machine crashes i must go to the server to kill the PID manually. i saw there was "reset on zero vc =yes" ...
3
votes
0answers
533 views

Intermittent NFS lockups on Isilon cluster

We have an Isilon cluster with 8 IQ 12000x nodes which exports storage via several NFS shares for a handful of Linux and Solaris clients. There is a Linux system that has one of these NFS filesystems ...
3
votes
0answers
239 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 ...
3
votes
0answers
161 views

Windows 2003 IIS 6.0 w3wp PerfMon monitoring

We have a number of web applications set up as Virtual Directories under one web site on Windows 2003/IIS 6.0 servers. Each VirDir has a dedicated App Pool. One of my users wanted to know if I could ...
3
votes
0answers
298 views

Open directory, external NFS file shares and automounter

This may be a big one. I've set up Open Directory on Mac OSX 10.8 (Mountain Lion) with users to allow everyone on the network to logon to any client with these centrally stored users. Before this ...
3
votes
0answers
97 views

How to add totals into network traffic graphs in munin 1.4.x (like ones in cacti)?

Here's example picture I found with google.
3
votes
0answers
798 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 ...
3
votes
0answers
89 views

Error connecting ESX 5.0.0 to domain

I am trying to connect an ESX 5.0.0 to our Domain Controler, in order to give a Domain group specific roles security. But I do not see any groups after the host connects to the domain. Under ...

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