Top new questions this week:
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I'm trying to print lines that have a 4th field value of 1001 or 1003 from a file called mypasswd.
I can only use grep or egrep with regular expressions.
Here is the file:
daemon:x:2:2:Daemon ...
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I would like to remove empty lines from begin and the end of file, but not remove empty lines between lines. I think sed or awk would be the solution.
Source:
1:
2:
3:line1
4:
5:line2
6:
7:
8:
...
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Passing a block device to Qemu 3.0.1 like this works but yields a deprecation warning:
-blockdev file,node-name=f1,filename=/dev/loop0 \
-blockdev raw,node-name=q1,file=f1 \
-device ...
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Does the terminal have its input routed through the bash process into the program currently being run, or is the terminal "disconnected" from the bash process and connected to the new program, ...
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I am grepping date 2019-09-XX and 2019-10-XX but somehow my grep not helping out, i am sure i am missing something here
Last Password Change: 2019-10-30
Last Password Change: 2017-02-07
Last ...
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There is a folder, "transfer". In that transfer folder there are user folders "user1", "user2", etc. I want to (periodically) delete the content (i.e. all files and folders in the user folders) but I ...
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Normally, a period on a line by itself ends the insertion; how can it be escaped?
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Greatest hits from previous weeks:
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I have a deb package for installation.
Shall I install by dpkg -i my.deb, or by apt?
Will both handle the software dependency problem well?
If by apt, how can I install from the deb by apt?
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I am using Ubuntu 16.04 LTS . I have python3 installed. There are two versions installed, python 3.4.3 and python 3.6 . Whenever I use python3 command, it takes python 3.4.3 by default. I want to use ...
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What are the practical uses of both pushd and popd when there is an advantage of using these two commands over cd and cd -?
EDIT: I'm looking for some practical examples of uses for both of these ...
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I'd like to do some general disk io monitoring on a debian linux server. What are the tools I should know about that monitor disk io so I can see if a disk's performance is maxed out or spikes at ...
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I have recently installed CentOS 7 (Minimal Install without GUI) and now I want to install a GUI environment in it.
How can I install Desktop Environments on previously installed CentOS7 without ...
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I would like to change a file extension from *.txt to *.text. I tried using the basename command, but I'm having trouble on changing more than one file.
Here's my code:
files=`ls -1 *.txt`
for x in ...
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I read some resources about the mount command for mounting devices on Linux, but none of them is clear enough (at least for me).
On the whole this what most guides state:
$ mount
(lists all ...
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Can you answer these questions?
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I am running to a weird issue. After installation of Suse Enterprise Linux Desktop (this is a custom installation using script), I found that we are running to X servers one on tty7 (default) and one ...
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So i'm on Pop!_OS 19.10 (it works the same way as Ubuntu for the sound)
I have a hyperX Headphone with a microphone, the sound works without any problem but my microphone don't (the microphone from ...
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Ubuntu 18.04: When the login screen appears the USB keyboard and mouse work fine. I select an account and enter its password. As soon as the desktop for the given account appears, the mouse and ...
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