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A very basic question here..
I have an executable redis-server at /home/dave/redis/src. Usually I cd /home/dave/redis/src then ./redis-server to execute it.
How can I call redis-server in the path? something like /home/dave/redis/src./redis-server
Thank you
You almost got it right. Except for the . (dot).
Instead of
/home/dave/redis/src./redis-server
Do
/home/dave/redis/src/redis-server
It is called an absolute path to the file, and it is simply the directories+file names, seperated by / (with a leading /, to make it absolute), so the . does not belong there.
/home/dave/redis/src/./redis-server
Use a dot in front of the first slash.
For example, if I want to open netbeans from the executable in /home/jason/IDE/netbeans/bin/netbeans,
I just put a dot in front of /home/.../.../ and the executable starts.
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I have the following challenge under Linux:
An application is writing a config-file "samename.cfg" into certain directories
I want to have the config-file named different for each directory
I do not want any file called "samename.cfg" written to the directories
I can not change it in the application
So I would like to have the application thinking that it accesses samename.cfg but in fact it reads and writes anothername.cfg. Symlink does not help, because then there still is a file called samename.cfg in every directory.
Anybody any idea?
Regards,
Axel
Try using a hard link instead of a soft link when using ln command (just remove the -s flag).
See ln man's page for more details.
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Closed 3 years ago.
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I have a question if I want to create a file without using command or programming?
I know mkdir hi.txt, but is there any way to make without using these?
The touch PATH program will create an empty file at the location entered for PATH.
Example: touch /var/tmp/file.txt will create an empty file at /var/tmp/file.txt
If you want to create a file in Linux, without using any program/command,
you can use > this sign
like > hi.txt it will create a file
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Is it possible to substitute binary with same name alternative? I have /usr/bin/qtcreator
I want to use alternative version but /usr/bin/qtcreator is binary but not alternative.
What the way I should do this?
You could place your new qtcreator at /usr/local/bin/qtcreator, that location should have preference over /usr/bin.
You can check the possible locations for binaries and the order is which they are searched with echo $PATH and you can check which binary will be called with which qtcreator
In Bash:
$ alias qtcreator="/usr/local/bin/qtcreator"
or make sure the path to desired binary is mentioned before the undesired path in $PATH (... as mentioned by others).
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On Linux when I want to execute some file and use relative path.
For example I want to do something like this:
cd c:\windows
c:\windows>./System32/ipconfig.exe
However what I get is an error message telling me that "." has not been found.
A period denotes the current directory in Windows.
For your example you would use the following:
c:\> cd c:\windows
c:\Windows> .\System32\ipconfig.exe
Alternately, you could forego the .\ and do it like this:
c:\Windows> System32\ipconfig.exe
Use the correct slash marks and you should be good. Windows uses backslashes as the directory symbol instead of the forward slash.
The only caveat to this is if you have to change drive letters. The cd command will change the working directory, but not the drive. To change drives use [drive letter][colon]:
C:\Windows>cd P:\XenApp\Utils
C:\Windows>P:
P:\XenApp\Utils>
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I have a directory in linux with lots of images having double underscore (__), I have to make it single under score (_). Lets say file name is a__1.jpg. I have to make it a_1.jpg. I have to do it for all files inside a directory. What should be the command?
Thanks
There are several ways to achieve this goal.
If you have mmv installed (or are able to install it), you can do
mmv \*__* \#1_#2
If not, maybe rename is an option:
rename _ __ *
(but alas, here I am not so sure about the syntax.)