Top new questions this week:
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I have been experimenting with hex numbers in AWK (gawk), but sometimes when I print them using e.g. printf, they are printed with some LSBs masked out, like in the following example:
awk 'BEGIN { x=...
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I feel like this should be straightforward but I've never seen anyone ask this that I can tell. The situation is pretty straight forward. Whenever I become a user, ie su user it always starts in /root ...
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Perhaps there are already answers out there that indirectly answer my question, but I've read many of them and haven't yet found a satisfactory answer to this discrepancy.
The original meaning of ...
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A set of commonly used symbols to represent that a variable belongs to a given real coordinate space are ∈ ("ELEMENT OF", Unicode U+2208) and ℝ ("DOUBLE-STRUCK CAPITAL R", Unicode ...
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Is there any part of my system that I can block access to from the firefox process on a Linux system that will break screen sharing?
I noticed during a video call that Firefox has the ability to do ...
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I have a script - run from cron.daily that gathers SMART stats from two identical SATA SSD's.
However, smartctl -A /dev/sda sometimes returns the stats for /dev/sdb - and if does so smartctl -A /dev/...
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I'm trying to substitute (with sed) an entire line containing a specific word and the newline at the end. Here the testfile:
this # target for substitution
this is a test
another test?
Now, I already ...
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Greatest hits from previous weeks:
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I have a directory containing a large number of files. I want to delete all files except for file.txt . How do I do this?
There are too many files to remove the unwanted ones individually and their ...
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I'm working from the URL I found here:
http://web.archive.org/web/20160404025901/http://jaybyjayfresh.com/2009/02/04/logging-in-without-a-password-certificates-ssh/
My ssh client is Ubuntu 64 bit 11....
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I have started a wget on remote machine in background using &. Suddenly it stops downloading. I want to terminate its process, then re-run the command. How can I terminate it?
I haven't closed ...
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What are the differences between
$ nohup foo
and
$ foo &
and
$ foo &
$ disown
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If there are two (or more) versions of a given RPM available in a YUM repository, how can I instruct yum to install the version I want?
Looking through the Koji build service I notice that there are ...
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It's a situation that has happened quite often to me: after I press (with a different intention) Ctrl-S in a terminal, the interaction (input or output) with it is frozen. It's probably a kind of "...
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So I was going to back up my home folder by copying it to an external drive as follows:
sudo cp -r /home/my_home /media/backup/my_home
With the result that all folders on the external drives are now ...
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Can you answer these questions?
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I am using a fresh install of the newest version of Docker on a freshly updated Arch Linux with linux-ck-skylake kernel version 5.12.2-1 but docker fails to run the hello-world image with the error:
$ ...
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I am trying to join two data files. The first one has 100.000 records where each line represents one person. The second file has 400.000 records where a person in the first file can appear multiple ...
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Trying to run rngd from rng-tools in a chroot environment on Raspberry Pi Zero.
Running ldd with the same chroot shows that all dependencies are satisfied:
pi@raspberrypi:~/rngd_chroot $ sudo chroot /...
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