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1500 questions
59
votes
4 answers

Connecting to HTTPS with netcat (nc)

I'm working on a homework assignment for my college course. The task is to fetch web pages on HTTPS using nc (netcat). To fetch a page over HTTP, I can simply do the following: cat request.txt | nc -w 5 80 In request.txt I have an HTTP…
Oto Brglez
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58
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2 answers

What are windows 7 N/KN/VL editions?

We're subscribed to MSDN at work and I've noticed that among the various windows "editions" there are downloads such as "Windows 7 Ultimate N" and "Windows 7 Ultimate N and KN". What are these versions and what is the difference between "regular"…
Dror Helper
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58
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13 answers

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

My environment: # uname -a Linux app11 4.9.0-5-amd64 #1 SMP Debian 4.9.65-3+deb9u2 (2018-01-04) x86_64 GNU/Linux # # cat /etc/*release PRETTY_NAME="Debian GNU/Linux 9 (stretch)" NAME="Debian GNU/Linux" VERSION_ID="9" VERSION="9…
alexus
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58
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10 answers

Why not block ICMP?

I think I almost have my iptables setup complete on my CentOS 5.3 system. Here is my script... # Establish a clean slate iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT iptables -F # Flush all rules iptables -X # Delete…
Agvorth
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58
votes
55 answers

What are useful Command-line Commands on Mac OS X?

Per the Windows and Linux threads, what commands do you find most useful in Mac OS X Server (or Client)?
username
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58
votes
8 answers

How to mount a VirtualBox shared folder?

What is the procedure for mounting a VirtualBox shared folder in Linux? I tried variations of the following mount command but I keep getting protocol error or other mount errors. sudo mount -t vboxsf share /home/toto
BSalita
58
votes
15 answers

Is there a site that can track all the domain names I own?

I've been using a spreadsheet to keep track of domain names. Is there a web service anywhere that maintains a domain name database and tracks all the domains we own? The most important feature is that it would have to remind me when it's time to…
Joel Spolsky
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58
votes
10 answers

How to determine AWS security group dependencies?

Amazon EC2 won't let me delete a security group, complaining that the group still has dependencies. How Can I find what those dependencies are? aws ec2 describe-security-groups doesn't say.
user14645
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58
votes
4 answers

Mapping UID and GID of local user to the mounted NFS share

I have a server with NFSv4. I am mounting contents of the home folder of remote user to local host. Able to read and write contents, but when I am checking ownership of files at the mounted volume from the local host, they all belongs to…
Alexander
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58
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4 answers

linux/setfacl - Set all current/future files/directories in parent directory to 775 with specified owner/group

I have a directory called "members" and under it there are folders/files. How can I recursively set all the current folders/files and any future ones created there to by default have 775 permissions and belong to owner/group nobody/admin…
Maverick
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58
votes
1 answer

Block select on a Linux console?

Is there any Linux console (konsole, gnome-terminal, etc.) that allows selecting text in a block mode, like you can in a Windows cmd.exe window, using Mark and drawing a rectangle?
Unknown
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58
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11 answers

Good reasons to keep 32-bit Microsoft Windows desktop OSes

This question is from 2012. If you are reading this in 2019 or later, then the answer really is: No. There is no good reason in 2019 to be maintaining 32-bit desktop operating systems. Original question below: Server software has been 64-bit only…
Mark Henderson
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58
votes
3 answers

Is there any harm in disabling the idle timeout for an application pool?

I'm currently fighting an issue with ASP.Net taking minutes to load a page for the first time. Through playing with settings I've found that disabling "Shutdown worker processes after being idle for (time in minutes)" stops the issue from…
djdd87
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58
votes
8 answers

Apache: SSLCertificateKeyFile: file does not exist or is empty

I am configuring SSL for Apache 2. My system is Ubuntu Server 10.04 LTS. I have the following settings related to SSL in my vhost configuration: SSLEngine On SSLCertificateKeyFile /etc/ssl/private/server.insecure.key SSLCertificateFile …
blueFast
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58
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2 answers

What are SPF records, and how do I configure them?

This is a canonical question about setting up SPF records. I have an office with many computers that share a single external ip (I'm unsure if the address is static or dynamic). Each computer connects to our mail server via IMAP using outlook.…
vulgarbulgar
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