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Closed 7 years ago.
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This is more of a curiosity question, but I feel it's worth asking.
Frequently when downloading software on Linux, I'm used to using sudo apt-get install [package] or whatever package manager is available, but for some projects like sbt, they don't have a repository (so I can't just type sudo apt-get install sbt and use it out of the box). I have to download the binaries and add them to PATH.
What I like to do is create a directory specific to programs like sbt, specifically ~/Programs. I move the unpacked directory into it, and add it to PATH. However, I'm always a little wary about moving the binary out of the directory it came in, so I don't want to remove it.
Is there such a thing as a recursive PATH variable, so that not only ~/Programs is added but also ~/Programs/sbt, ~/Programs/other_program, etc.? And if not, is it a good idea to make it recursive? I've tinkered with the Linux kernel before as part of a university class, I wonder if it's worth experimenting with.
Add something like this to ~/.bashrc or ~/.bash_profile:
for each in ~/Programs/*
do
PATH+=:"$each"
done
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Closed 4 days ago.
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I was watching this video shorturl.at/loG48 and got to the point 2:20. I was unable to install snap in the end but forgot to put $ behind the PATH in the environment variable setup. Now I can't run sudo without typing export PATH=$PATH:/usr/bin every single time. I just installed kali and I am really scared please help me.
Doing anything now gives me
`Command 'sudo' is available in the following places
/bin/sudo
/usr/bin/sudo
The command could not be located because '/bin:/usr/bin' is not included in the PATH environment variable.
sudo: command not found
`
I just wanted to download snap but I ended up messing my PATH variables.
By following some guides here and there I managed to find this in my /etc/environment PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games even though I don't know what this is supposed to be. Please help fast.
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Today,I encounter a very tough problem which cost me nearly 6 hours.
When I remove a file called ha_wan.conf using rm -rf ha_wan.conf command under /etc directory,Success.When I use ls -al command to see the result,The file disappear.
But when I reboot the linux system,same file named ha_wan.conf come back,located under /etc/ directory.
I tried to delete it many many times,It is the same result.
What should I do,I want to permanently remove that file.Thanks.
There's no magic. You removed the file. If you still see it after a reboot, it means one of two things:
(very likely) Some service recreates the files on boot, or periodically. You can probably use standard system tools to find out which package contained that file. (for example dpkg -S ha_wan.conf in debian-like systems)
(unlikely) You're running some interesting system which uses a temporary filesystem in /etc. If you're using a standard desktop distribution, that's improbable. But if it's some kind of router / special device, then it could happen.
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Closed 8 years ago.
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I am trying to install some library, it asked me to install the following first:
linux-tools-virtual 3.13.0.35.42
linux-tools-lowlatency 3.13.0.35.42
linux-tools-generic-lts-trusty 3.13.0.35.42
linux-tools-generic-lts-saucy 3.13.0.35.42
linux-tools-generic 3.13.0.35.42
You should explicitly select one to install.
E: Package 'linux-tools' has no installation candidate
I am using aws instance as ubuntu user, version 14.
A quick look at apt-cache search linux-tools reveals that even apt-get doesn't know which one you're talking about. There's a lot of those packages that are similarly named.
Be explicit about which one it is you need to install. Since I don't know which one you require for your application, I can't recommend a specific, exact one for you to install that I know will work 100%. But the linux-tools-generic and linux-tools-virtual seem to be promising. Look into those packages and see if they contain the libraries you need.
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Closed 8 years ago.
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My KDE is broken, the desktop Widgets cannot be displayed. And many KDE programs look like this:
All the software written in GTK is all right.
Can any one give me any suggestion about what's happening and which part is broken?
Where can I find error log?
You don't say what disto you're using (please add it to the tags in your question), nor how you got in this state - new installation? dist-upgrade? hard crash? That would be useful information.
But in general, here's what I would try:
Log out and go to a bare terminal with CTRL-ALT-F1, then login and rename your .kde / .kde4 directories: mv ~/.kde ~/.kde.old and reboot or otherwise restart your GUI system.
That will at least tell you whether the problem is messed up personal settings or messed-up system files.
If that doesn't fix the issue (that directory will be recreated when you start up KDE again; all your settings will be lost, but you can recover them - carefully, one by one - from the backup you just made), then I would first try sudo apt-get check (assuming you're on a Debian-based distro).
If that doesn't report any problems, then I would update my system - possibly even do a dist-upgrade without changes any sources.
If this issue still wasn't fixed, I would run sudo dpkg -l > ~/Desktop/dpkg_out.txt to get a list of installed or uninstalled packages and their state in a file, and then look through the file for problems as explained here.
Finally, if all of that failed, I would take a good hard look at my video drivers.
Good luck!
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Closed 9 years ago.
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I have installed xmedcon-0.11.0-1.i686.rpm on my Fedora Linux machine. I ran the RPM file. Since I'm kind of new to Linux, I want to ask, where can I find the installed file and how can I run it?
Thanks.
From terminal use
$ rpm -ql xmedcon-0.11.0-1.i686 </code>
/etc/xmedconrc
/usr/bin/medcon
/usr/bin/xmedcon
You will see all the files installed. The main files will be above. From command line
run
$ /usr/bin/xmedcon
In case you already know the command name, you can type which medcon in a terminal and it should tell you where the executable is located.
And as full.stack.xchg said, just typing the name of the executable on a command line (or finding it in the graphical menu) will start the program.