10
votes
0answers
140 views

What do the OS X authorization mechanisms actually do?

Background  I'm trying to glean a better understanding of the OS X login process, in order to decide the best way for achieving VPN Single Sign On. Please do correct me if I'm wrong, but I believe ...
7
votes
0answers
61 views

How to “un-ANSI-fy” logs?

Lately there has been a tendency by command line tools to use fancy ANSI colors in their log output (for example, NPM and a host of nodejs based tools, rvm, docker, and a few other "modern" tools). ...
7
votes
0answers
2k views

“Unable to open the Server service performance object.”

I have a group of servers which all show these symptoms. Every 2-7 days twice in a row, the following error shows up in the Application event log: Unable to open the Server service performance ...
7
votes
0answers
960 views

Virtualized pfSense 2.0.1 affecting Hyper-V host connectivity? arp?

The Setup I have setup pfSense 2.0.1 (64bit-amd image) as a host in Hyper-V. As described in other blogs I had to do the “ifconfig down deX”, “ifconfig up deX” to get the network up and running. The ...
7
votes
0answers
854 views

Mounting case-sensitive shared folder in VirtualBox

I have an OSX host with a ubuntu VM trying to mount a shared folder. I'm using the options: sudo mount -t vboxsf -o uid=1000,gid=100 pg ~/pg-host The folder mounts fine, however it appears that ...
6
votes
0answers
174 views

Configuring Synology NAS as freeIPA client

I'm attempting to deploy freeIPA in my company. The network is quite simple: < 10 FC20 (and FC21 beta) desktops < 5 FC20 servers (including the one with freeIPA) 1 Synology NAS DS1813+ (DSM ...
6
votes
0answers
460 views

iproute multiple ADSL load balancer through VM

For a long time (2 years?) I have been running a virtual machine (Ubuntu 12.04 server) with a very basic outbound load balancing capability, sending different outbound connections out different ADSL ...
6
votes
0answers
2k views

Windows VPN server can talk to VPN clients, but won't send packets from its local network to the VPN clients

I want to configure Windows Server 2012, and its Windows 7 and Windows 8 VPN clients, with an SSTP VPN that uses split tunneling and off-subnet addressing, but I'm running into a problem: the RRAS ...
6
votes
0answers
7k 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 ...
6
votes
0answers
422 views

Re-importing (Virtual) Foreign Disks on Windows 2003

I have a virtualized Windows 2003 Server machine with one basic disk (boot drive) and three Dynamic disks. The machine is running in an VMWare ESXi server. I had to remove the three dynamic disks ...
6
votes
0answers
395 views

Database Backup and Full-Text Search

I am running SQL Server 2005 EE. When trying to perform a full database backup I recieve the error message: "Failed to pause catalog for backup. Backup was aborted.BACKUP DATABASE is terminating ...
5
votes
0answers
38 views

Correlating volumes and physical disks through WMI

I'm trying to correlate volumes (as enumerated from win32_volume for those where DriveType = 3) back to win32_physicaldisk instances. Everything that I've seen in my research points to the answer ...
5
votes
0answers
120 views

POST of MTU + ~798 bytes gets lost

I have a very weird issue with certain packets not arriving on the destination host. It happens when we transmit a POST that is somewhat larger than the MTU. We can reproduce it with this script: ...
5
votes
0answers
76 views

IIS integrated mode foreign characters

OK so this has been driving us crazy. We have an application built in ASP.NET 4.0 running on Windows Server 2012 and IIS8. A few pages of our site are translated into multiple languages, notably ...
5
votes
0answers
152 views

How to use Chrome's CRL sets (or some master CRL list) as a CRL file?

I am looking for a master CRL list. The closest thing I have found is the Chromium project's CRLSets. I used crlset-tools to get the crlset (crlset fetch > crl-set) and then dumped the serial ...
5
votes
0answers
251 views

Windows Task Scheduler cannot access EFS encrypted folder despite running as a user with access

I have a batch file set to run via Task Scheduler in Windows Server 2008 R2. The batch file is being used to rotate and compress MySQL logs, and the folder containing these logs is encrypted using ...
5
votes
0answers
439 views

ModSecurity on Apache (Debian Wheezy), Authentication logging

I am new to ModSecurity, it works great on the server, but I would like to control the way it logs things. For example as I am troubleshooting my website in order to whitelist or correct php coding ...
5
votes
0answers
318 views

Freebsd change default Internet channel route

I have two Internet channel and Gateway on freebsd. When I switch channel with the command route change default chan2, the command netstat -nr shows changed default route. But traceroute shows that ...
5
votes
0answers
1k views

IIS 7.5 - Disable Overlapped Recycle property not being obeyed when web.config is updated

I have a site which holds an exclusive lock on some resources. I used the .NET Application_Start and Application_End events to aquire and release the lock on these resources at the appropriate time. ...
5
votes
0answers
238 views

AD custom attribute of type numerical string crashes MMC when updated

I am using windows server 2008. I have a domain with one domain controller (this is a dev environment). I edited the AD schema and created a custom attribute called TestAttribute2 (the LDAP name is ...
5
votes
0answers
413 views

Export GFI MailArchiver e-mails for import into Exchange 2010 SP1 Personal Archiving

We have an existing installation of GFI MailArchiver 5 with several databases of archives (perhaps 100-150GB). The goal is to export each user's archived e-mail and then import it into Exchange 2010 ...
5
votes
0answers
1k views

Tomcat sessions not expiring

I'm having problems with sessions accumulating. I run an instance of Tomcat 6.0.18 on a Windows server. I have 3 apps. I've been having memory issues (close to heap size, or OOM). When I look ...
4
votes
0answers
16 views

User permissions/feature limitations of the native zfs smbshare service on linux

I'm using zfs on linux, using the sharesmb=on option to try out the native smb share feature instead of adding the zfs tank path to my smb.conf file. The share has shown up on my windows machines, ...
4
votes
0answers
28 views

Setting up IPv6 ACLs on 3com 5500g to block Router Advertisment messages

Is there a way to set up IPv6 ACLs on 3com 5500g switch to block RA traffic on access ports? I couldn't find settings for setting up any IPv6 ACL. Acording to guides, there should be ipv6 specific ...
4
votes
0answers
30 views

Is Exchange 2010 compliant with RFC 3848

I have looked up Exchange 2010 Support for RFC Standards but do not see RFC 3848 amongst the supported standards. I do see RFC 4954 listed, which 'recommends use of RFC 3848 transmission types', ...
4
votes
0answers
67 views

Why do things break when using DFS/Folder Redirection?

Here are two slightly different, but similar scenarios: There is an S:\ drive mapped to \\server\share. A DFS namespace is then implemented, with S:\ changed to \\domain.local\dfs\share (which is ...
4
votes
0answers
77 views

Configure Juniper M320 as Ethernet/STM transparent converter

There is Juniper M320. We need to move ALL the traffic from one port to another. Everything that comes to one port goes to another and vice versa. No snooping or any other processing is required. One ...
4
votes
0answers
64 views

Active Directory: Server 2008 and RHEL 5.10

Apologies if this is a re-post. I've been googling and researching the topic for over three weeks now and I've come up against the same problem over and over again and I haven't managed to get around ...
4
votes
0answers
56 views

Slab usage extremely high?

On a Centos 7 server with 32GB RAM memory I am running a few programs namely MySQL, Apache2, PHP. Recently I wanted to verify the amount of ram left as I was planning on installing a few more ...
4
votes
0answers
76 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 ...
4
votes
0answers
220 views

CentOS requires entering password twice for sudo, login

At every login or sudo prompt, the server always rejects the password when it is first supplied, but accepts it the second time. I found this thread which describes what seems to be the same problem, ...
4
votes
0answers
175 views

Reflash Supermicro BIOS Chip with external EEPROM programmer

I've a Supermicro server, out of warranty, and it suicided in the last month. Yes, exactly. During a AMIBIOS update process the BIOS Watchdog has been tripped and the motherboard reseted during the ...
4
votes
0answers
512 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 ...
4
votes
0answers
7k views

svchost.exe -k netsvcs occupying >1GB memory

I have noticed my production server "svchost.exe -k netsvcs" is occupying >1GB ram memory, steadily, which I think is a bit excessive. This is what tasklist /svc will give me for this process: ...
4
votes
0answers
810 views

`apache2ctl restart` makes apache forget about cgi-bin

On my Debian machine (running the apache as packaged by Debian, package 2.4.7-1), every time apache restarts through apache2ctl restart or apache2ctl graceful, it forgets about my cgi-bin directory: ...
4
votes
0answers
617 views

500 OOPS: SSL: cannot load RSA private key vsftpd

Im configuring vsfptd on debian 7.3, Im trying to use ssl. I generate de certficates using this command: openssl req -x509 -nodes -days 1925 -newkey rsa:2048 -keyout /etc/vsftpd/private/vsftpd2.key ...
4
votes
0answers
785 views

Creating a docker container from a capistrano deploy

I'm having a bit of a difficult time understanding how I can leverage my existing infrastructure code with Docker. I have a Ruby on Rails app that uses capistrano to push out deployments. I want to ...
4
votes
0answers
8k views

Configure Squid as an HTTPS forward proxy?

Here's some background about my problem: I have a web service running on Heroku, with a dynamic IP address. Static IPs on Heroku are not an option. I need to connect to an external web service which ...
4
votes
0answers
172 views

How do I increase the logging level for Puma?

Currently I am only getting ActiveRecord and view-rendering output in my Rails application log file, since I switched to Puma from WEBrick. I haven't been able to find where I can modify the output ...
4
votes
0answers
433 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 ...
4
votes
0answers
837 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 ...
4
votes
0answers
2k 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 ...
4
votes
0answers
4k views

Cisco ASA Site-to-Site VPN Dropping

I have three sites, Toronto (1.1.1.1), Mississauga (2.2.2.2) and San Francisco (3.3.3.3). All three sites have ASA 5520. All the sites are connected together with two site-to-site VPN links between ...
4
votes
0answers
639 views

OSX SL Server CalDav/DirectoryServices Authentication Error

I have a OSX SL Server (Version 10.6.8) that has been in production with about 40 users for approximately a year now. Since day one I have had problems where occasionally a users iCal client throws ...
3
votes
0answers
22 views

Windows Servers on ESXi 100% CPU at year rollover

We have a number of Windows Server 2008 R2 SP1 servers running on ESXi servers. At year end rollover 2014 to 2015 the CPUs go to 100% and the machines hang. The solution appears to be a hotfix ...
3
votes
0answers
28 views

What is the proper way to shutdown an iSCSI target with connected clients?

iSCSI with two DRBD primary nodes is a bad idea to use if the two paths get concurrent write requests. But I am thinking about using this idea as backend storage for an ESXi 5.5U2 host. I already did ...
3
votes
0answers
10 views

How can I introspect the “shared subtree” mount flags for a particular mount?

Under Linux, the shared subtree flags control how a mountpoint is shared with parent and child mount namespaces. These flags include MS_SHARED, MS_PRIVATE, and MS_SLAVE. How can one see which of ...
3
votes
0answers
75 views
+50

Inconsistencies in RDP connections to similar servers

We have a bunch of Windows 2008R2 servers used as RDP servers that are (or at least should be) essentially identical in configuration (and are arranged in a RDP farm). When administrating from home, I ...
3
votes
0answers
27 views

Active Directory Administrative Center - resize membership part

User can be a member of 3 groups at most to be visible in ADAC without scrolling. But in reality, users are members of 5, 10 even 20 groups. We have to scroll the "member of" list to check the ...
3
votes
0answers
21 views

Why does the lxc container binds more than the configured ip?

I set up several ubuntu LXC containers on my ubuntu server. They all have a unique IP configured. As they start up, some of them do bind more than the defined IP address. For example container A ...

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