Unanswered Questions

26
votes
4answers
5k views

Receiver limits TCP window size to 64,512

Facts (please identify any false statements): I have a 100 Mbps connection between two sites that are 80 ms apart This is a long fat connection that could benefit from a large TCP window size ...
17
votes
3answers
2k views

Systemd: start a unit after another unit REALLY starts

In my particular case I want to start remote-fs unit after all glusterfs completely starts. My systemd files: glusterfs target: node04:/usr/lib/systemd/system # cat glusterfsd.service [Unit] ...
14
votes
2answers
3k views

Is there any way to fix a corrupted LDM database?

TL;DR: Are there any tools/approaches to diagnosing and fixing LDM (Logical Disk Manager) metadata structures without recreating from scratch? Full description: I have two SSD drives set ...
14
votes
0answers
7k views

OpenSSL: how to setup an OCSP server for checking third-party certificates?

I am testing the Certificate Revocation functionality of a CMTS device. This requires me to setup a OCSP responder. Since it will only be used for testing I assume that the minimal implementation ...
13
votes
4answers
3k views

How to upgrade to the latest AMI in AWS Elastic Beanstalk?

I'm running an application on AWS Elastic Beanstalk, and it looks like I need to create a new environment if I want to use the latest AMI. If I knew what the latest AMI id was, I could update it in ...
13
votes
1answer
11k views

Prevent IE10 from creating WebCache through Group Policy

IE10 implemented the WebCache which appears to be the new way of doing Temporary Internet Files. The location of this is C:\Users\\AppData\Local\Microsoft\Windows\WebCache In my situation we have a ...
13
votes
2answers
16k views

Using Https between Apache Loadbalancer and backends

I am using an apache (2.4) server configured as loadbalancer in front of 2 apache servers. It works fine when I use http connections between loadbalancer and backends, however using https does not ...
12
votes
1answer
4k views

kworker consuming +90% IO and zero disk write

this is a standard apache web server on AWS Linux AMI + EBS. We are noticing high load average (+8) and iotop -a shows: Total DISK READ: 0.00 B/s | Total DISK WRITE: 2.37 M/s TID PRIO USER ...
12
votes
0answers
3k 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. ...
12
votes
1answer
969 views

What does a warning icon on a conditional forwarder mean in Windows DNS Manager?

The icon for one of the conditional forwarders on an Active Directory DNS server I manage has a standard warning icon (yellow triangle with exclamation point) overlay (all names have been changed to ...
11
votes
0answers
605 views

Getting Squid and TPROXY with IPv6 working on CentOS 7

I'm having trouble getting TPROXY working with Squid and IPv6 on a CentOS 7 server. I was previously using a generic intercept setup with NAT, but it was limited to IPv4 only. I'm now expanding the ...
11
votes
2answers
4k views

Tomcat 7 trailing slash issue with webapps

Recently I upgraded my tomcat server from 6.x version to the most recent 7.x version. I came up with little trouble, hoping to get help. I have an application calls MyApp On tomcat6, when I went to ...
10
votes
3answers
3k views

Windows 10 WMI and Event Viewer access denied

We have a Windows domain where I used GPOs to enable remote management and monitoring of all of our workstations using WMI. I can also connect to all of our computers with Computer Management and ...
10
votes
1answer
445 views

SynProxy can not return syn ack packets with asymmetric dual bridge topology

I have a asymmetric dual bridge topology as shown below when i connect from 172.16.11.5 and 172.16.10.6 with ssh but i can not connect because of SynProxy. ------- ...
10
votes
0answers
2k 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 = 'password'...

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