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1500 questions
90
votes
10 answers
How can I remove multiple segments from a video using FFmpeg?
I am trying to delete a few sections of a video using FFmpeg.
For example, imagine if you recorded a show on television and wanted to cut out the commercials. This is simple with a GUI video-editor; you just mark the beginning and ending of each…
Matias
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90
votes
2 answers
Creating ext4 partition from console
I have a volume /dev/sda1 (1.2 TB) containing an NTFS partition using 0.6 TB space.
I want to make an ext4 partition in the remaining 0.6 TB space.
I have not tried anything yet because I don't want to risk losing data if I hit a wrong command. (I…
Daniel W.
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90
votes
3 answers
Why do some downloading files not know their own size?
Occasionally, when downloading a file in a web browser, the download progress doesn't "know" the total size of the file, or how far along in the download it is -- it just shows the speed at which it's downloading, with a total as "Unknown".
Why…
Coldblackice
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90
votes
1 answer
On tmux, what is the difference between "bind" and "bind-key"?
On .tmux.conf, what is the difference between "bind" and "bind-key"?
fkreusch
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90
votes
2 answers
How to convert .img to usable VirtualBox format
I have a .img file for Windows 10, and I need to turn it into something which I can use in VirtualBox, such as an ISO, or turning it into a bootable virtual disk for an ICT project.
Anthony
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90
votes
1 answer
How do I extract fingerprints from .ssh/known_hosts?
My laptop has a well-populated ~/.ssh/known_hosts file. I'd like to leverage that when connecting to remote hosts from my desktop, since tracking down the fingerprints can be a real chore. However, I can't seem to find a way to ask ssh-keygen or…
Tim has moved to Codidact
- 1,003
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90
votes
5 answers
How can I stop Mac OS X overriding my hostname when I receive a DHCP request on Snow Leopard?
Whenever I go on a network where the DHCP server assigns hostnames then it overrides the settings I've set for my hostname on my Mac in the "Sharing" section of System Preferences.
How do I stop this behaviour from occurring and always have the same…
Mike McQuaid
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90
votes
13 answers
Shortcut to open specific bookmark / URL in Chrome
How to enable keyboard shortcut to open specific bookmark / URL while using Chrome?
J.Olufsen
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- 59
90
votes
11 answers
How do I disable "you need to format this disk" message in Windows Vista/7?
I've started using TrueCrypt to encrypt a partition on an external USB hard drive. I've opted for using a raw partition as opposed to a file container.
But here's the annoyance. Whenever I connect this drive to a computer running Vista or Windows 7,…
Joe Attardi
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- 1
- 8
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90
votes
5 answers
Can I monitor a local unix domain socket like tcpdump?
I'd like to monitor responses on a unix socket without disturbing the original connections and pipe them to a script for processing.
I know how to do this with tcpdump for tcp connections but I cannot seem to find a solution for local unix…
ck_
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90
votes
5 answers
How to chown/chmod all files in current directory?
I am trying to change the ownership and permissions of some files (and directories) in the current directory. I tried this:
chown username:groupname .
...expecting that it would affect all the files in the current directory, but instead only…
Andrew
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90
votes
9 answers
How can I wipe a broken hard disk drive before sending it back to the manufacturer for maintenance?
The hard drive of my laptop died, the manufacturer wants me to send it so that they can investigate, but I'm concerned that the drive might contain sensitive information.
When I say the drive is broken, the drive won't be recognized by my OS…
Brann
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90
votes
9 answers
What "allocation unit size" should I use for a drive with a single NTFS partition?
I'm formatting a 1TB external hard drive as a single NTFS partition. This drive is mainly meant for storing media.
Should I choose something other than the default allocation unit size? The options range from 512 bytes to 64K. Are there any…
Andrew Keeton
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90
votes
5 answers
How to get list of dependencies of non-installed RPM package?
apt-cache show shows also it's dependencies.
yum info does not show dependencies, but it obviously know them.
How to ask yum for dependencies of specified package?
Vi.
- 16,755
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90
votes
6 answers
How is the capacity of a harddisk faked?
I was reading about magical Chinese drives. How would this be done? The post talks about a 'looped mode' and comments suggest having a different controller to lie to the OS.
I went and bought one of these devices, tried it and it worked as…
Rohan Monga
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