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1500 questions
59
votes
3 answers

What is the difference between a soft (symbolic) link and a hard link?

I hear that you can now create soft links in Vista too. So, what is the difference between a soft (symbolic) link and a hard link on UNIX/Linux/Vista? Are there advantages of using one over the other? Or do they just serve two distinct purposes?
Aaron K
  • 1,535
58
votes
6 answers

Some ISPs don't charge for bandwidth used on Youtube/Netflix/Facebook. How do they monitor that?

In Poland, it is common for mobile ISPs to offer plans with limited amount of bandwidth per month, with exclusion of some popular apps. So for example all traffic from YouTube is not counted towards the data cap. Aside from net neutrality issues, I…
Kuba Orlik
  • 671
58
votes
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
  • 755
58
votes
4 answers

Is it possible to change an "Unidentified Network" into a "Home" or "Work" network on Windows 7

I have a problem with Windows 7 RC (7100). I frequently use a crossover network cable on WinXP with static IP addresses to connect to various industrial devices (e.g. robots, pumps, valves or even other Windows PCs) that have Ethernet network…
Rhys
  • 683
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
  • 4,805
58
votes
6 answers

How do you use systemd's journalctl patterns

I am trying to use journalctl's pattern matching on SYSLOG_IDENTIFIERS. As an example, I have a ton of message tagged sshd: $ journalctl -t sshd | wc -l 987 but if I try to use pattern matching to find them: $ journalctl -t 'ssh*' -- No Entries…
Mark Grimes
  • 814
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
  • 3,686
58
votes
6 answers

Reinstall after a Root Compromise?

After reading this question on a server compromise, I started to wonder why people continue to seem to believe that they can recover a compromised system using detection/cleanup tools, or by just fixing the hole that was used to compromise the…
Zoredache
  • 133,737
58
votes
4 answers

Ansible: copy template only when destination file does not exist

I'm using Ansible 1.6.6 to provision my machine. There is a template task in my playbook that creates destination file from Jinja2 template: tasks: - template: src=somefile.j2 dest=/etc/somefile.conf I do not want to replace somefile.conf if it…
Slava Fomin II
  • 1,763
58
votes
8 answers

PECL command produces long list of errors

Currently running PHP 5.4 on CentOS 6.5. I installed the webtatic php55w package then installed PEAR+PECL without issue along with redis and mongo through PECL. Shortly after, I realized 5.5 is not compatible with the framework I was working with so…
eComEvo
  • 1,041
58
votes
6 answers

Linux Command to find Strings in Binary or non ascii file

Is there any linux command to extracts all the ascii strings from an executable or other binary file? I suppose I could do it with a grep, but I remember hearing somewhere that such a command existed?
Ethan Heilman
  • 801
58
votes
4 answers

Is there a built-in command-line tool under Windows like wget/curl?

I come from a Linux/Unix background and I have been wondering if Windows has a binary that can download files from the console. I would like to automate a certain process and one of my requirements it to not install much software, but use the…
carlspring
  • 753
58
votes
7 answers

How to delete EC2 AMI

I know that the command ec2-create-image instance-id will be creating an image of the ec2 instance, creating snapshots file and registering as an AMI. But what is the equivalent command to delete the image which will deleting associated snapshot…
James W.
  • 779
58
votes
1 answer

iptables forwarding between two interface

So I have a linux box with two wireless interfaces, one is a station and the other an AP. wlan0 (station) - Connected to the internet connection wlan1 (AP) - Other clients connect to it. I would like for clients connected to wlan1 to be able to…
broody
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