3
votes
0answers
20 views

Data location of IBM i Apache server descriptions in HTTPAdmin interface

I'm working on replicating Apache servers to a HA box, and I can replicate the servers themselves correctly (QUSRSYS/QATMHINSTC and the associated files in /www/), but I cannot find where the ...
3
votes
0answers
87 views

TCP Window Scaling Problem over MPLS

After extensive troubleshooting why the TCP speed over an MPLS circuit is slow in one direction, I figured out that by adjusting the TCP window size the situation improved a lot. Maybe you can tell me ...
3
votes
0answers
103 views

TCP connection stuck in SYN_RECV state despite ACK received

My client and server are both internal machines. tcpdump on both client and server show all three parts of handshake are communicated, however netstat on server shows SYN_RECV, and on client shows ...
3
votes
0answers
63 views

Why is ZFS not doing anything with my disk's duff sector?

I was under the impression that if an I/O error occurs during a read from a ZFS pool, two things will happen: The failure will be recorded in either the READ or CKSUM statistic of the relevant ...
3
votes
0answers
30 views

Exchange+Outlook 2013 - Read Mails turn Unread

I have a local EX2013 server and several Outlook 2013 clients. Some of the clients occasionally (once or twice a day) see a random read email turn unread with no apparent reason. I went through the ...
3
votes
0answers
71 views

Odd performance fluctation with php-fpm and nginx

I'm running a load test against a web service. It's a php application running on php-fpm and nginx, with fastcgi. There is a MySQL backend being used for small reads only. Invariably, I'm seeing a ...
3
votes
0answers
55 views

Windows Server 2003 terminal server extreme logon times

For the past week my users have been experiencing extreme logon times. They are generally in the 20 minute range or more. I will lay out my research below to see if anyone may know how to find the ...
3
votes
0answers
27 views

SuperMicro IPMI using Windows-based RADIUS (NPS)

I'm struggling to use a Windows-based RADIUS setup (Network Policy Server) with SuperMicro IPMI interfaces. I've found that I need to add vendor-specific attribute H=4, I=4 (Appendix C in the ...
3
votes
0answers
64 views

Does AWS Elastic Beanstalk Swap Environment Url swaps environments for git push?

I have read the docs for zero downtime on aws but cant seem to understand what happens in this scenario? I have a environment running in production called 'red' I duplicate the environment as 'blue' ...
3
votes
0answers
24 views

Recommended Permissions for Virtual Service Accounts on Windows 7+

I'm trying to have an NSIS Installer install a custom service as part of an installation. It would be nice to run the service with one of those typical 'NT Service\xyz' style virtual service accounts ...
3
votes
0answers
28 views

Hyper-V: snapshotting a VM results in sluggish response

When snapshotting a running VM, I notice that the affected VM's performance is degrading heavily (leading to bizarre response times in the magnitude of minutes where similar actions might only take ...
3
votes
0answers
87 views

Random SSH entries in Auth.log out of date order

Running an Ubuntu Trusty 14.04.1 LTS server at Rackspace but recently after running updates for bash, then with the reboots for the xen host vulnerability, I have the following weird issue. Some ...
3
votes
0answers
93 views

Configure ntlm_auth for offline operations

We currently have a NAC server set up to authenticate against a Samba4 AD using the ntlm_auth utility and would like to make it more tolerant to network outages. Currently, when the NAC loses ...
3
votes
0answers
49 views

Server 2008 R2 WMI problems

I get error "1065" from Group Policy when trying to run GPUpdate, and Group Policy is specifying that it cannot process the WMI query. I can successfully run some queries manually, but WMIDiag ...
3
votes
0answers
166 views

Import Powershell AD Module during MDT Task Sequence

I have written this short powershell script to rename a computer as part of an MDT task sequence: Import-Module ActiveDirectory $AdminUsername = 'domain.com\administrator' $AdminPassword = ...
3
votes
0answers
39 views

How to get OpenSSH to use OCSP for revocation

As the title says, is there any (free) library, patch, etc. that allows OpenSSH to be configured to check x.509 certificate revocation via OCSP (online certificate status protocol)? If so, can you ...
3
votes
0answers
128 views

How do I enable SAML Passive Authentication in ADFS 3.0?

For several years, I've used ADFS 2.x as a SAML IDP that works with SAML Passive Authentication. When the isPassive=true flag was set on the Request, the Response would include the following ...
3
votes
0answers
52 views

Use mandatory profiles on the RD Session Host server

I want to configure my Windows Server 2008 servers like this. A user logs on, they load a profile that has been configured for that server and no changes can be made to the profile. I want to do ...
3
votes
0answers
651 views

SSH_ORIGINAL_COMMAND variable not getting set

I am working with two servers, both of which run FreeBSD 8.4-RELEASE-p1 and OpenSSH_6.1p1. Both servers' ssh_config files, located in /etc/ssh, are identical. Both servers are configured to allow ...
3
votes
0answers
186 views

Configure haproxy to return a 204 for a certain ACL match

I want to return a HTTP 204 error code if anyone tries to access a particular path on my web server. I could set one of my webservers to return a 204 error and point haproxy to it as a backend. ...
3
votes
0answers
109 views

Cannot enable GSS-TSIG updates from Active Directory in BIND 9.10

I’m with a problem trying to enable GSS-TSIG with BIND 9.10. Before I start describing what I’ve done, I would like to say that I’ve already done this in in another domain without any problems. So I ...
3
votes
0answers
202 views

Win7 loses connection to network shares after resume unless server specified using FQDN

My Win7 client has a connection to a Linux server and its shared folders. The problem occurs when the computer wakes up after a sleep and then one of the shared folders is not accessible. I receive ...
3
votes
0answers
944 views

xen:balloon: reserve_additional_memory: add_memory() failed: -17

We're running Ubuntu 14.04 on an EC2 virtual machine. I've been seeing a lot of these errors in our kernel log: [ 704.032085] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ ...
3
votes
0answers
101 views

Exchange 2007 not delivering to primary MX of one domain

I'm trying to send email to a domain that has two MX records. The higher priority record is IPv4 and the 2nd is IPv6. Exchange gives me a delivery is delayed message in my inbox after I've tried to ...
3
votes
0answers
287 views

Android to openswan/xl2tpd/pppd error: result_code_avp: avp is incorrect size. 8 < 10

I am trying to use a simple Android 4.4.4 VPN connection to openswan/xl2tpd/pppd combo. the IPSec SA works, but xl2tpd at one point terminates the pppd and this shows up in logs: xl2tpd[17990]: ...
3
votes
0answers
439 views

Haproxy using 10GB Memory and 100% CPU with 50k connections

On a Ubuntu 14.04 x64 server, Haproxy uses 3.3 GB of memory and 6.8 GB of swap, while handling 52k connections. The CPU usage also keeps spiking to 100% before most of the traffic was redirected to ...
3
votes
0answers
187 views

My two-way trust with selective auth seems to behave opposite to a one-way trust

I'm not sure why I'm the only one running into this, I think it's a larger problem with Server 2012 and RDS protocols... With 2008 machines, you can use utilize a one way trust to authenticate across ...
3
votes
0answers
169 views

Cannot set ACL on ACL-enabled EXT4 partition

I am trying to enable xattrs and acls on a Debian machine. I've (re)mounted the partition in question with user_xattr and acl. (/dev/md3 is the partition in question) root@fs01:/# mount | grep ...
3
votes
0answers
864 views

starting nginx on mac fails with 48: address already in use

I'm trying to start nginx on my Mac OS X using the command sudo nginx It fails with the following error nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use) nginx: [emerg] ...
3
votes
0answers
214 views

Proxy Server setting stuck on Server 2003 R2 for Windows Updates

Stay a while and listen. This is going to be a long one. We've been having a problem the last couple of months with Updates on very specific Microsoft Server 2003 R2 Machines. This problem has ...
3
votes
0answers
120 views

Different 'ping6' reverse lookup behavior using ipv4 vs ipv6 dns servers in /etc/resolv.conf

I'm hoping someone could help shed some light on the different behavior ping6 is demonstrating on a GNU/Linux box. The machine is a Linode host which has been assigned both an IPv4 and IPv6 address. ...
3
votes
0answers
109 views

Check that a given user has a given priviledge

Given a pair of a user and a privilege I need to determine if a user have the privilege on the server. The following is true in my setup: The server is a part of a domain but not a domain controller ...
3
votes
0answers
60 views

What do you use for automated testing of Debian package installations and updates?

I am using a Debian repo (based on reprepro) for Wheezy and custom packages. I modify my custom packages from time to time and test them manually on different systems, e.g.: Test a) Installation of ...
3
votes
0answers
474 views

Pacemaker DRBD resource not getting promoted to master on any node

First off, I'm no linux specialist, I've been following tutorials and been working with the help of google, this worked out fine until now, but currently I'm stuck with a problem. I'm using CentOS 6.5 ...
3
votes
0answers
201 views

Kerberos, .k5login and sudo

Background: I am using a Debian 7 system which I have integrated with an LDAP+Kerberos system using libnss-ldap, libpam-krb5 and nscd. I have modified sudoers to permit an LDAP group the right to sudo ...
3
votes
0answers
101 views

Extract data that Jenkins receives from POST hooks sent by eg. github or bitbucket

I have a Jenkins job Trigger builds remotely (e.g., from scripts), and bitbucket PULL request HOOK triggers that job we can say everything works fine. Jenkins is smart to check any change and build ...
3
votes
0answers
143 views

Using ZFS head node as database server?

I'm using a dual-head ZFS-backed NAS for high availability cluster shared storage, based on Nexenta's recommended architecture as seen here: The disks in 1 JBOD will store the database files for a ...
3
votes
0answers
129 views

Unusually high nfs_inode_cache

My server is experiencing a high usage of nfs_inode_cache = 11G , im trying to figure out what's consuming all this , i know already that directories with large numbers of entries and deep directory ...
3
votes
0answers
69 views

Assigning option based on class membership inside the subnet section

We are looking for a way to do something along these lines in the dhcpd.conf file: subnet ... { #couple of options for the subnet here pool { allow members of "class-name1"; ...
3
votes
0answers
287 views

How can I debug PAC (proxy auto config) on Windows 8.1 (IE11 and Modern UI)?

On older systems such as Windows 7 + IE10, calling "alert()" in the PAC file would cause a dialog being shown. However, with Windows 8.1 no dialogs are displayed even if IE11 seems to be making use ...
3
votes
0answers
164 views

Rails 4 Unicorn+Nginx on Ubuntu 13.04 VPS keeps crashing

I bought a years subscription at bluevm.com (found some coupon code, it was only about $15 for a whole year) to launch my first Rails Production server. I'm running Nginx with Unicorn and MySQL on ...
3
votes
0answers
324 views

strongSwan 4.5.2 with iOS and Mavericks, Connection Troubles

I am having trouble configuring strongSwan 4.5.2 to work with iOS 7 and OS X Mavericks. I have followed these two guides, but am still encountering problems. ...
3
votes
0answers
939 views

OpenVPN certificate OR plugin-auth-pam authentication

Configuring OpenVPN server, I can enable either certificate-based authentication or username/password authentication using openvpn-plugin-auth-pam plugin, but not both at the same time. I enable ...
3
votes
0answers
333 views

SQL Server Installer Update Cache management

Is it safe to delete the old cumulative update directories from the %ProgramFiles%\Microsoft SQL Server\110\Setup Bootstrap\Update Cache folders? At least this MSDN blog post tells to leave anything ...
3
votes
0answers
2k 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 ...
3
votes
0answers
230 views

ESXi 4.1 VM gone after hard reboot

I have a serious problem here. After I forced a reboot of a freezed ESXi 4.1 server, a VM is literally gone. When I ssh to the host and run ls -lah inside the datastore, it returnes: ...
3
votes
0answers
976 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 ...
3
votes
0answers
177 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 ...
3
votes
0answers
14k 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 ...
3
votes
0answers
430 views

Most VMS refuse to start

Setup: Virtual Host, running server 2012, hosting around 10 production VMs Problem: Last night, 2 VMs stopped with no warning, event log notification, or any information. The rest of the VMs on this ...

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