Unanswered Questions
38,167 questions with no answers
18
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0
answers
14k
views
Restoring data after zfs destroy
On Debian 8.7 I had a zfs pool.
(obviously using ZFS on Linux, not Oracle or Solaris zfs)
It was needed to extend ZFS pool from mirror on 2 disks to raidz on 4 disks.
I did backup (one copy of data - ...
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12
votes
0
answers
12k
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LDAP: creating a bind user with limited privileges
I need to bind to an OpenLDAP server to authenticate users, but I don't want this low-privileged or "delegated administrator" to be able to see more attributes than strictly necessary.
How do I ...
- 2,979
12
votes
0
answers
806
views
How much does FreeBSD accept_filter actually improve performance in a modern world?
I recently learned about FreeBSD's accept_filter socket option which can allow a worker process to avoid context switching by, for example, waiting until a full HTTP request is received with accf_http:...
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11
votes
0
answers
7k
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How can a Cognito user initialize TOTP on first login when MFA is required?
I am setting up Amazon Cognito for authentication to use a Kibana instance. I only permit administrators to create users, and I permit only the Cognito User Pool identity provider. When creating the ...
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9
votes
0
answers
3k
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connect to tightVNC in a windows container
There are plenty of resources online about using VNC with a linux container, but none that I can find for windows containers, so I thought I'd give it a crack.
I can get the tightVNC server to start (...
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9
votes
0
answers
683
views
Can Asterisk's phoneprov module be used securely?
I'm using Asterisk 13.1.0 as packaged by Ubuntu Server 16.04 to run a pure-VoIP phone system. Asterisk has a module – phoneprov – that allows it to template out configuration files for ...
- 113
9
votes
0
answers
238
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 ...
- 101
9
votes
0
answers
3k
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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]: ...
9
votes
0
answers
4k
views
Unix nslcd login with sAMAccountName and/or userPrincipalName from Active Directory
I'm trying to setup authentication from Active Directory in FreeBSD 10.0 using nslcd (nss-pam-ldapd-sasl package) and would like to allow both sAMAccountName and userPrincipalName as valid login ...
- 5,830
8
votes
0
answers
255
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Is 8bit Content-Transfer-Encoding Considered RFC 5322 Compliant?
What I'm trying to ascertain is whether or not emails containing 8-bit characters (in the range %x80-%xFF) - which could appear in messages or sections with a Content-Transfer-Encoding header of 8bit ...
- 81
8
votes
0
answers
10k
views
What is the easiest way to encrypt an existing ZFS dataset?
I would like to convert a lot of ZFS datasets I have on a (Ubuntu 20.04) server (about 3 TB of data). I've already tested this a bit, and what I've been doing so far is:
Create a new encrypted ...
- 443
8
votes
0
answers
5k
views
ZFS cannot import : I/O error
I experienced an error in my ZFS machine. This may have happend after I lost power to my server, but I can not tell for sure. My ZFS Pool Gewuerzglas with RAIDZ-1 is no longer willing to import. I ...
8
votes
0
answers
3k
views
DHCP interface never transitions to configured state in systemd
I have a server running CoreOS, and my main network interface that gets configured via DHCP gains a carrier and is routable, but never leaves the configuring state. This causes systemd-networkd-wait-...
- 205
8
votes
0
answers
3k
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How can I let rsync display both total and partial progress?
I've found that rsync's total progress is (somewhat) shown with --info=progress2, while partial progress (i.e. the current file) is shown with --info=progress (or -P).
Is there a way to show both?
I'...
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8
votes
0
answers
4k
views
Use perfmon to monitor a specific ASP.NET webapp across worker process restarts, IIS restarts, etc.?
I have a few perfmon performance counters that I'd like to track for a specific ASP.NET application over an extended period of time, say a week or a month. The trouble is that perfmon counters are ...
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