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1500 questions
97
votes
5 answers
What is the difference between Nginx variables $host, $http_host, and $server_name?
What is the difference between the three Nginx variables $host, $http_host, and $server_name?
I have a rewrite rule where I'm not sure which one I should be using:
location = /vb/showthread.php {
#…
Jeff Widman
- 2,675
97
votes
3 answers
Is it possible to reboot a Linux OS without rebooting the hardware?
Is there a way to reboot a Linux system (Debian in particular) without rebooting the hardware?
I have a RAID controller that takes a bit to get itself running before the OS starts up, and I would like it if there was a way to quickly reboot the…
lacrosse1991
- 1,477
97
votes
18 answers
Ansible stuck on gathering facts
I'm having some odd issues with my ansible box(vagrant).
Everything worked yesterday and my playbook worked fine.
Today, ansible hangs on "gathering facts"?
Here is the verbose output:
<5.xxx.xxx.xxx> ESTABLISH CONNECTION FOR USER:…
Bj Blazkowicz
- 1,081
97
votes
6 answers
Changing host permissions for MySQL users
I have the following grants for a user/database
mysql> SHOW GRANTS FOR 'username'@'localhost';
+---------------------------------------------------------------------------+
| Grants for username@localhost …
f00860
- 1,293
97
votes
3 answers
How do I extract login history?
I need to know the login history for specific user (i.e. login and logout time),
How do I extract this history for a specific date range in Linux ?
shox
- 1,081
97
votes
6 answers
Boot and Install Windows from a USB thumb drive
Installing Windows from a thumb drive is vastly superior to burning a copy to a DVD which will fill some landfill somewhere with toxic stuff. Not to mention it's about 50x faster to install Windows from a USB Thumb Drive.
How do you get the bits…
Omar Shahine
- 3,759
97
votes
4 answers
Nginx - root versus alias, for serving single files?
After many hours getting nginx to serve single files such as robots.txt (hint: clear your browser cache each time), I wound up with two different ways, one using the alias directive, and one using the root directive, like so:
location /robots.txt {…
Cyclops
- 1,251
97
votes
5 answers
Disable caching when serving static files with Nginx (for development)
We are using Nginx to serve static files on a development platform. As it is a development platform, we'd like to disable caching so that each change is propagated to the server. The configuration of the VHost is quite simple:
server {
server_name…
Olivier Chappe
- 971
97
votes
6 answers
Proxy Error 502 "Reason: Error reading from remote server" with Apache 2.2.3 (Debian) mod_proxy and Jetty 6.1.18
Apache is receiving requests at port :80 and proxying them to Jetty at port :8080
The proxy server received an invalid response from an upstream server
The proxy server could not handle the request GET /.
My dilemma: Everything works fine normally…
Martin
97
votes
3 answers
How to apply a filter to real time output of `tail -f `?
tail -f path
The above will output modifications to the file instantly, but I want to apply a filter to the output, only show when there is a keyword xxx in it.
How to approach this?
wamp
- 1,307
96
votes
3 answers
Multiple TXT fields for same subdomain
I would like to understand if multiple TXT records for the same subdomain are ok or could lead to issues. In particular, we have the requirement for one SPF record and one Google Domain Verification record on the root domain.
In AWS Route 53 they…
chrisvdb
- 1,389
96
votes
5 answers
dig show only answer
I want dig only to show the answer of my query.
Normally, it prints out alot of additional info like this:
;; <<>> DiG 9.7.3 <<>> google.de
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55839
;; flags: qr…
Zulakis
- 4,505
96
votes
8 answers
How can I show mysql locks?
Is there anyway to show all the locks that are active in a mysql database?
Amandasaurus
- 33,461
96
votes
18 answers
Why hasn't rsync caught on in the Windows world?
It seems that rsync is the de-facto standard for efficient file backup and sync in Unix/Linux.
Does anyone have any thoughts on why it wouldn't have caught on in the Windows world?
Why hasn't it become a universal 'protocol' for file sync?
jtalarico
- 247
96
votes
11 answers
Transfer 10 TB of files from USA to UK datacenter
I am migrating my server from the USA to the UK from one data center to another. My host said I should be able to achieve 11 megabytes per second.
The operating system is Windows Server 2008 at both ends.
My average file size is around 100 MB and…
Paul Hinett
- 1,205
- 3
- 11
- 19