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1500 questions
114
votes
8 answers

How do I clear Chrome's SSL cache?

I have a HAProxy / stunnel server that handles SSL for our sites on AWS. During testing, I created a self-signed cert on this server and hit it from my desktop using Chrome to test that stunnel was working correctly. Now I have installed the…
Foovanadil
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114
votes
6 answers

Why is Enterprise Storage so expensive?

This is a Canonical Question about the Cost of Enterprise Storage. See also the following question: What's the best way to explain storage issues to developers and other users Regarding general questions like: Why do I have to pay 50 bucks a…
Mark Henderson
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114
votes
9 answers

How to check if I'm in screen session?

I need it to determine if hitting ctrl+d would disconnect me from server or just close current screen. Is it somehow possible to check if I'm right now in screen session?
wlk
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114
votes
2 answers

How to re-order windows, change the scroll shortcut, and modify the status bar contents in GNU Screen?

I learned to use gnu-screen and have been using it for the past several weeks. I got a grip of the basics now, and would be very helpful if I get these queries clarified: How do I rename / reorder / move windows in Linux screen utility? For eg.,…
Rangzy
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113
votes
8 answers

Best practice: Should I always install a fresh OS for new employees?

I had an argument with a superior about this. Though at first glance the prior user of a laptop only did work in his own documents-folders, should I always install a new OS for the next user or is deleting the old profile enough? The software that…
ExNought
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113
votes
5 answers

What is this IP address: 169.254.169.254?

I have always noticed an IP something "169.254.x.x" in my routing table even when I am not connected to any network in my Windows operating system. In Linux, when I list my routing table. $ ip route show I get an entry like 169.254.0.0/16 dev eth0…
pradeepchhetri
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113
votes
8 answers

Which ports do I need to open in the firewall to use NFS?

I'm running Ubuntu 11.10 - setting up NFS to share a directory among many other servers. Which ports are required to be opened on the firewall?
kenny
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112
votes
9 answers

What is a good SSH server to use on Windows?

In my spare time I remotely support my wife's office via VPN into a Windows Server. I am about to purchase a wireless broadband service which doesn't support VPN. I don't want to open up the remote desktop ports directly, and I would like to set up…
Bruce McLeod
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112
votes
85 answers

Linux command line best practices and tips?

I would like to open a discussion that would accumulate your Linux command line (CLI) best practices and tips. I've searched for such a discussion to share the below comment but haven't found one, hence this post. I hope we all could learn from…
Maxim Veksler
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112
votes
3 answers

nginx - client request body is buffered to a temporary file

I get the following error in my log files every time I try to upload a large file. a client request body is buffered to a temporary file /var/lib/nginx/body/0000000001 Although the file uploads successfully, I always get the above error. I…
Abs
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112
votes
8 answers

What does this nginx error "rewrite or internal redirection cycle" mean?

tail -f /var/log/nginx/error.log 2013/05/04 23:43:35 [error] 733#0: *3662 rewrite or internal redirection cycle while internally redirecting to "/index.html", client: 127.0.0.1, server: _, request: "GET /robots.txt HTTP/1.1", host:…
pavs-maha
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112
votes
8 answers

Setting the "Expires" HTTP header for static content served from Nginx?

I'm using nginx to server my static content, is there a way that I can set the expires headers for every file that meets a specific rule? For example can I set the expires header for all files that have an extension of '.css'?
Unkwntech
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112
votes
7 answers

How to restart nginx?

For me, I run "killall nginx" and start it by "sbin/nginx", anyone has a better restart script? BTW: I install nginx from source, i do not find 'service nginx' command or /etc/init.d/nginx
larry
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112
votes
13 answers

How can I tell what version of IIS is installed?

I've got a box running Win2k3 and some directions from Microsoft KB about SSL certificates, for IIS 5.0 and 6.0. How can I tell which version of IIS is currently installed?
jldugger
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111
votes
8 answers

Why does my OpenSSH key fingerprint not match the AWS EC2 console keypair fingerprint?

When I import my OpenSSH public key into AWS EC2's keyring the fingerprint that AWS shows doesn't match what I see from: ssh-keygen -l -f my_key It is a different length and has different bytes. Why? I'm sure I uploaded the correct key.
Craig Ringer
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