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1500 questions
47
votes
5 answers
Find DKIM and DMARC Records?
Is there a method to find a domain's DKIM and DMARC records using dig or nslookup?
I have attempted to do the following:
dig somedomain.org any
returns many records, but not the known DKIM and DMARC text records.
nslookup -type=txt…
Evil Genius
- 581
- 1
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- 5
47
votes
3 answers
Why multiple PTR records in DNS is not recommended?
I often read that using multiple PTR records in a DNS configuration is not recommended.
However, the reasons are often vague, or not so obvious, naming:
"it can cause problems",
"can trigger bugs in programs expecting a single answer": it's the…
Totor
- 3,048
47
votes
1 answer
Understanding the nginx proxy_cache_path directive
Suppose I have this nginx config file
proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=myCache:8m max_size=100m inactive=1h;
What does the keys_zone=myCache:8m mean? There's not much said to it in the docs:
In addition, all active keys and…
Jürgen Paul
- 1,315
47
votes
11 answers
System error 1219 has occurred
I am trying to connect to a remote server and deploy a service there, through a deploy script.
I start by stating "Net use" and send the credentials for the server.
But here I get system 1219 error:
Multiple connections to a server or shared…
khebbie
- 690
47
votes
9 answers
Nginx fails to stop and nginx.pid is missing
I want to stop Nginx but it fails like this.
$ sudo service nginx stop
Stopping nginx: [FAILED]
And nginx.conf that defines place of nginx.pid have a line.
# /etc/nginx/nginx.conf
pid …
ironsand
- 707
47
votes
2 answers
Why are all the zpools named "tank"?
In practically every example of ZFS usage that I've seen online (including several questions here), the zpool is named "tank". Why? Is there some sort of significance to the name or is it just that the original documentation used "tank" so that's…
asciipip
- 3,254
47
votes
3 answers
What does "Normal Shutdown, Thank you for playing [preauth]" In SSH logs mean?
Recently, My SSH log summaries for my Ubuntu 12.04 servers in Logwatch have started showing entries for "11: Normal Shutdown, Thank you for playing [preauth]" along with the "11: Bye Bye [preauth]" and "11: disconnected by user" messages they had…
Dave Stern
- 595
- 1
- 6
- 7
47
votes
4 answers
Create new vsftpd user and lock to (specify) home / login directory
I need to periodically give temporary and limited access to various directories on a CentOS linux server that has vsftp installed.
I've created a user using useradd [user_name] and given them a password using passwd [password].
I've created a…
zigojacko
- 1,483
47
votes
8 answers
How to enable SSH X11 forwarding through additional server?
I have hosts A,B and C. From host A I can access through ssh only B. From B I can access C.
I want to be able to run X11 programs on C and forward display to A.
I tried this:
A$ ssh -X B
B$ ssh -X C
C$ xclock
Error: Can't open display:
But it…
lexsys
- 2,993
47
votes
2 answers
Nginx "Default" Server?
I have an Nginx with a number of enabled server blocks. Each server answers to 1 canonical domain and may forward 1 or more to that canonical URL. I have at least one server (haven't checked all of them yet) where, if I type in a non-existent domain…
Rob Wilkerson
- 1,555
- 4
- 18
- 27
47
votes
16 answers
64-bit Cisco VPN client (IPsec)?
Cisco VPN client (IPsec) does not support 64bit Windows.
Worse, Cisco does not even plan to release a 64-bit version, instead they say that
"For x64 (64-bit) Windows support, you must utilize Cisco's next-generation Cisco AnyConnect VPN…
mika
- 1,476
47
votes
14 answers
SSH client option to suppress server banners?
I've read Stop ssh login from printing motd from the client?, however my situation is a bit different :
I want to keep Banner /path/to/sometxt serverside
I would like to pass an option under specific conditions so that Banner is not printed (eg ssh…
user130370
47
votes
2 answers
How to delete .fuse_hidden* files?
I have small Linux server (Debian Squeeze) which runs a Samba server which is configured to share some folders with some windows machines. While trying to delete one of the directories from windows I received the "Cannot delete folder" error.
I…
Lando
- 625
47
votes
2 answers
How could I stop ssh offering a wrong key?
(This is a problem with ssh, not gitolite)
I've configured gitolite on my home server (ubuntu 12.04 server, open-ssh). I want an special identityfile to administer the repositories, so I need to access throught ssh to my own host ussing two…
Alvaro Maceda
- 580
47
votes
13 answers
Group Policy installation failed error 1274
I'm trying to deploy an MSI via the Group Policy in Active Directory. But these are the errors I'm getting in the System event log after logging in:
The assignment of application XStandard from policy install failed. The error was : %%1274
The…
