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1500 questions
45
votes
3 answers
Why is Linux reporting "free" memory strangely?
This is a canonical question about how Unix operating systems report memory usage.
Similar Questions:
Server refuses to use swap partition
Memory Usage in LINUX
I have production server that is running Debian 6.0.6 Squeeze
#uname -a
Linux…
user135199
45
votes
5 answers
Is there a linux terminal command that lets you see the amount of data coming in to your tcp connections in real time?
It would be something similar to top, where you see your cpu processes in real time. I'm not looking for a GUI like Wireshark to do it.
user342580
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45
votes
9 answers
su not working on mac os x?
I get this:
Macintosh:8.4 TAmoyal$ su
Password:
su: Sorry
Macintosh:8.4 TAmoyal$
I typed in the password I use for sudo. Why won't this work?
Thanks!
Tony
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45
votes
5 answers
How do I make uWSGI restart when a Python script is modified?
Can't remember where, but I read uWSGI can reload itself like Django development server when a project script is modified. I can't find that in the docs, nor in the internets. How can I do this?
I use Ubuntu 12.04 on my working machines and Debian…
culebrón
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45
votes
3 answers
What should the order of DNS servers be for an AD Domain Controller and Why?
This is a Canonical Question about Active Directory DNS Settings.
Related:
What is Active Directory Domain Services and how does it work?
Assuming an environment with multiple domain controllers (assume that they all run DNS as well):
in what…
MDMarra
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45
votes
17 answers
What good system administrator podcasts are out there?
The similar question on Stack Overflow,
What good technology podcasts are out there?, has lots of answers focused on software development.
What podcasts do you listen to for learning about the following?
Information technology trends
Network…
Zoredache
- 128,755
- 40
- 271
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45
votes
6 answers
yum simulate install
Coming from an ubuntu perspective, if I want to check to see what additional packages will be installed/upgraded I can use apt-get --simulate install
Is there something similar for yum? Our Red hat box (yum) is our production server,…
Michael
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45
votes
1 answer
How do I stop IIS from starting up when I turn Windows on?
I do not want IIS to start automatically with Windows. How do I change this? Is there a setting in IIS manager? I have looked around in the menus for one but I couldn't find an option.
Rachel Richter
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- 4
45
votes
4 answers
putty and screen and scroll-back buffer
When I use screen inside a putty session, I can't seem to use the scrollback buffer of putty to look at whatever just scrolled off the screen. Instead, I just see what was happening in the putty session just prior to my running screen.
What am I…
chris
- 11,784
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45
votes
6 answers
How do I view a file's hard links in Windows?
I've found a description of hard links and junctions in Windows, however I'd like to know ,from the Windows UI or command prompt, how I can view the hard links of a particular file or folder?
John K
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45
votes
10 answers
How should I burn in hard drives?
Google did a very thorough study on hard drive failures which found that a significant portion of hard drives fail within the first 3 months of heavy usage.
My coworkers and I are thinking we could implement a burn-in process for all our new hard…
Phil
- 1,003
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45
votes
2 answers
Serve http (port 80) and https (port 443) on same VirtualHost
I need to setup my VirtualHost on Apache to serve on both http and https (using standard ports)
If I enable the SSL Engine (as per below) - I get an error when on port 80.
The reason is, parts of the site need to be SSL but other parts don't. How…
kron
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45
votes
5 answers
Configuring Apache2 to proxy WebSocket?
The WebSocket protocol is an extension of the HTTP protocol. However, the proxy module of Apache2 does not seem to know about it, and throws away crucial headers, converting the call to a standard HTTP call.
Is there a way to make Apache2 either (1)…
Blixt
- 595
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- 7
45
votes
1 answer
nginx name-based virtual hosts on IPv6
I have an nginx server serving up nearly half a dozen different websites. It's running on a Linode that just got IPv6 native support (Dallas data center), and I'm trying to configure most of my sites for dual-stack operation. I got the first one up…
Kromey
- 3,621
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45
votes
4 answers
Run command in bash without save in history
How to run command in bash without saving it in history?
hiemye
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