Unanswered Questions

68,014 questions with no upvoted or accepted answers
30
votes
1answer
2k views

Unexpected and unexplained slow (and unusual) memory performance with Xeon Skylake SMP

We've been testing a server using 2x Xeon Gold 6154 CPUs with a Supermicro X11DPH-I motherboard, and 96GB RAM, and found some very strange performance issues surrounding memory when compared to ...
15
votes
2answers
3k views

MacOS clients sporadically disconnect from WPA Enterprise wireless network

We have a small office with ~20 people, each using a MacBook, and optionally connecting with a mobile phone too. Previously we used usual Wi-Fi with a shared key, but recently I reconfigured it to WPA ...
15
votes
2answers
5k views

KVM guest cannot write to 9p share owned by non-root

I am aiming to set up full write access to a 9p share for a KVM guest. Both host and guest have the same users/groups with the same IDs. Both host and guest should be able to write to the share using ...
14
votes
1answer
954 views

Using defaultAuthenticationType with PowerShell Web Access

PowerShell web access lets you choose the authentication type. By default, it uses a value of Default, which ends up being Negotiate. I have set up CredSSP to allow logging into the PSWA server itself ...
13
votes
1answer
5k views

Is MSIZAP still useful, or is it obsolete?

I update flash using MSI files installed by group policy. However, with every update, about a third of the workstations fail to update (Windows Vista and Windows 7 32/64-bit editions). In the event ...
12
votes
2answers
575 views

Dynamically Authenticate Apache with LDAP Based on Request String?

It is possible to use a portion of the request URI as an input into mod_authnz_ldap's Require ldap-group directive? I'm trying to dynamically check access to a bunch of different project directories, ...
12
votes
1answer
8k views

Parallel Redo Is Shutdown

When looking in Windows event logs, i'm seeing the following messages on an almost continuous basis - Starting up database 'Database'. Parallel redo is started for database 'Database' with worker ...
11
votes
2answers
10k views

Adding second network interface to Ubuntu 18.04 on AWS EC2

The provided 18.04 AMI comes with one interface, and I am adding a second one with its own IP (for stuntman-server). However the instance is only responding to one elastic IP or the other, not both (...
11
votes
0answers
2k views

Where can I find the Dropbox log files?

I am running Dropbox on a Debian server. Once I start Dropbox using python dropbox.py start it stops working after a while and python dropbox.py status reports: Dropbox isn't running! I ...
11
votes
3answers
2k views

vsftpd - PAM - MySQL and pam_mkhomedir to create directories

I've been successfully using vsftpd with virtual users connecting with PAM to my mysql DB. Now I'd like to automate creation of user directories with successful vsftpd connection. Here is /etc/pam.d/...
10
votes
1answer
4k views

“The name limit for the local computer network adapter card was exceeded” error message

Let me start out by stating that I have already searched many sources for information or a resolution, but I have been unable to find a permanent solution. Problem: Randomly, for what appears to be ...
10
votes
0answers
2k 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]: ...
10
votes
2answers
1k views

Unable to bind OSX 10.9 to Active Directory 2008

I am struggling to bind OSX 10.9 to a 2008 r2 Active Directory. I can join the domain fine when I boot into Windows from the same machine. From OSX I can find the domain controller successfully and ...
10
votes
2answers
1k 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 ...
10
votes
1answer
594 views

Firefox dynamic default preference configuration

My users are all on NFS home directories and with hundreds of users all using Firefox it generates a bit of traffic reading/writing to the disk cache. As a result, I'd like to move the default ...

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