A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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Raspberry Pi Zero armv6l Python, Numpy, Scipy Tests Give Illegal Instruction

So the simple version of this question is that I've been trying for several days to get a python 3.4 environment with the following packages installed on a Raspberry Pi Zero Jessie image: opencv, ...
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60 views

Grub finds a lot of kernel images

I have a PC with Ubuntu and Kali. In th output of "update-grub2" or in the GRUB menu, I see many images. Are they useful? If they aren't, how can I delete them?$ sudo update-grub2[sudo] password ...
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How can I properly shutdown a Linux machine from terminal?

What should I type to safely shutdown a Linux computer from terminal? My circumstance is: I'm using "Raspberry Pi Zero W" over VNC (and SSH). I was able to shutdown it by GUI, but now I press the "...
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Suddenly lost sudo rights

I have been using this installation (of Arch Linux) for a few years now, and have used sudo quite a lot. But suddenly it stopped working and I get the standard error message that the user is not in ...
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4answers
8k views

Need to set mailx variable to specify the From address

Running Oracle Linux 5.8 (which is just re-branded RedHat EL 5.8) I must change the From address. But we have scripts that use mailx which cannot be re-written to use any extra flags, so I'd like to ...
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1answer
4k views

Timeout in whois command

Unable to figure out the problem with whois command. Whenever i give any query to whois command it gives timeout error. I also learned about jwhois command but it seems it is also getting similar ...
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1answer
10 views

sending argument to vim using grep

I saw this question but I couldn't implement what I'm looking for.Here is what I want:I have a file with a few lines ending with 4.1.01.97 (same number for all lines - but number can change from ...
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1answer
867 views

Connect to wifi via bash script in Debian

This command seems to be kinda outdated because it only supports wep:iwconfig wlan0 essid WIFI_NETWORK key s:WIFI_PASSWORD dhclient wlan0I found an alternative way that supports wpa2, but it ...
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How to browse cleverly an archive of image files indexed by several parameters? [on hold]

I have a large archive of 100s of image files which are organised according to several classification parameters: let's say, each image filename is something like <length>_<weight>_<...
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How do I get the MBR Partition table with newest fdisk?

I need to examine the MBR part of a hybrid MBR/GPT USB Stick.My version of fdisk (fdisk from util-linux 2.29) lists the GPT partition table, which older versions of fdisk does not. Tried solutions:...
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Netflix behavior varies between windows and linux [on hold]

Not a big deal but I'm wondering why Netflix throws an error when I plug my headphones in on windows and now linux. Thanks!
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4answers
10k views

What is the default password of screen?

When I type Ctrl-X X (sic) in screen, the session is locked. What is the default password? Is it the same password which I use to log in to linux?I ask because: I connect to several different remote ...
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2answers
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elementary OS bluetooth not working

I have installed elementary OS Loki on my system and everything works fantastic but the only problem is bluetooth.I had windows 10 installed on my system earlier but I formatted it and installed fresh ...
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1answer
12 views

MTP device detected under Linux but not under Windows

I designed a board embedding a custom Linux built through buildroot. This board has a peripheral usb connector to appear like a device when connected to another OS.A MTP-responder python program is ...
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1answer
6 views

UUID fstab configuration in virtual machine ( VMware )

we have physical machines as HP or IBM blade machine and we set UUID in fstab on these physical machinesbut in case we use VM ( virtual machine , )is it necessary to defines UUID in fstab on ...

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