Server Fault Weekly Newsletter - Wednesday, May 27, 2015

Top new questions this week: PowerShell: Get-ADUser Properties with åäö I'm trying to extract select sets of users with Get-ADUser. The users belong to companies whose names include non-ASCII characters, e.g. "Gåäördet". Unfortunately, we do have to use the company ... active-directory powershell scripting   asked by Tanel Rebane 8 votes answered by Tanel Rebane 4 votes Cannot add conditional forwarder without root zone (Disclaimer: I am not a Windows DNS admin. I do have a decent amount of DNS experience under my belt though, and this is not making any sense. I am working closely with the admins responsible for ... domain-name-system windows-server-2012 bind   asked by Andrew B 8 votes Service Pack 1 for Microsoft Office 2013 install fails Even though the Win7 desktop system does have 2013 products (Visio and Lync), trying to install Service Pack 1 for Microsoft Office 2013 fails with: Service Pack 1 for Microsoft Office 2013 ... microsoft-office service-pack   asked by fiat 5 votes answered by fiat 6 votes How can I easily locate a specific TCP conversation in two separate (and large) packet captures using wireshark? Occasionally, I'll need to compare packet captures (usually wireshark or tcpdump) that are collected from both sides of a TCP conversation. Sometimes the two hosts involved are very "chatty" so I'll ... wireshark   asked by Mike B 5 votes answered by davey 3 votes Multi-datacenter Ansible load balancer template I am migrating the management of an existing multi-datacenter setup to Ansible, but I am not sure what is the best way to model it, as I am new to it. I have three data centers D1, D2 and D3. In ... nginx ansible   asked by Davide 5 votes answered by yaegashi 1 vote Are there any security benefits to deploying custom SSH DH groups to client-only systems? One suggested mitigative strategy against Logjam-related attacks on SSH is to generate custom SSH Diffie-Hellman groups using something like (the below being for OpenSSH) ssh-keygen -G ... ssh ssh-keys logjam   asked by Michael Kjörling 5 votes answered by Michael Hampton 3 votes 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. ------- ... linux linux-networking tcp tcpdump   asked by nyzsirt 4 votes Greatest hits from previous weeks: Why is the response on localhost so slow? I am working on a tiny little PHP project for a friend of mine, and I have a WAMP environment setup for local development. I remember the days when the response from my local Apache 2.2 was immediate. ... apache-2.2 php web-server latency   asked by Peter Perháč 34 votes answered by Peter Perháč 17 votes Shell command to monitor changes in a file - What's it called again? I know there was a command on Unix that I could use to monitor a file and see changes that are getting written to it. This was quite useful especially for checking log files. Do you know what it is ... linux shell   asked by Sebastian Hoitz 70 votes answered by Jon Skeet 102 votes Can you answer these? DHCP Server Not Registering PTR Records I've got a DHCP server that's configured to "Always dynamically update DNS records". Unfortunately, it's not doing its job. The client sends an Option 81 with its FQDN and all flags at 0. The ACK back ... windows domain-name-system dhcp ddns   asked by bshacklett 1 vote Why higher await time for DM multipath device than underlying device? We have a CentOS 6.4 based server attached to Hitachi HNAS 3080 storage and observed the kernel remount the filesystem in read-only mode: May 16 07:31:03 GNS3-SRV-CMP-001 kernel: [1259725.675814] ... performance iowait device-mapper   asked by pdp 3 votes environment variable clientname scope on terminal server I have a script that needs the CLIENTNAME environment variable, it runs on a terminal server. I have a batch file for testing that contains: set CLIENTNAME; pause If I RDP as an admin: If I open a ... windows-server-2008-r2 terminal-server environment-variables batch   asked by Aimee 1 vote

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