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I have a bin folder which contains an external compiler. This bin folder is common to 3 projects. Is there a way to point the bin folder to a general bin folder in the depot so I do not duplicate the folder?
I'd suggest a depot layout something like this:
//depot/common/...
//depot/project1/...
//depot/project2/...
//depot/project3/...
Check in your compiler under //depot/common somewhere and have your clients map the project(s) needed and the common directory.
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I noticed that I had two .htaccess file on my website's server, one in the root folder, one in the www folder. Which one is active and which one should I delete?
You put the .htaccess in the folder whose behavior you want to alter. This also affects the behavior of all the sub-folders. It can happen that you want different behavior for one or more of the sub-folders in which case you give them their own .htaccess file and override the settings that are not to be inherited from the parent.
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I would like to configure my environment variables in Ubuntu version and can't find my bashrc.
Where can I find it?
in your home dir, e.g. if you are larix, then it is located in:
/home/larix/.bashrc
You can see it from your filemanager if it shows "hidden" files (if file name starts with "." it is considered as "hidden" file in linux)
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I was browsing a directory on a Linux machine, and when doing a detailed listing I noticed that a link is pointing to itself, for example:
somelink -> /path/to/directory/somelink
I am wondering what is the reason for doing such a thing?
If the somelink is in /path/to/directory then this is an invalid symlink. If you try to access it, the filesystem will give you an error (probably something like too many levels of symbolic links*). It could have been a typo (or some other mistake) when it was created, or the symlink got moved somehow and ended up linking to itself.
There's no good reason for a circular symlink. Most probably, it was created by accident.
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Linux and Apache suffix a bunch of files and folders with d or .d.
init.d
rc.d
/etc/httpd/conf.d
/etc/httpd/vhost.d
What is the meaning of this convention?
It means simply "directory" and commonly indicates that either a single file, or a directory full of them is acceptable for configuration.
(In the case of rc.d, that replaces the old-style Unix /etc/rc script which is no longer used on Linux.)
Means "a directory", containing a bunch of files intended for the same goal (init scripts in init.d, configuration files in conf.d, etc.) - this tendency seems to have expanded onto separate files, too.
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In addition to the files : /etc/group, /etc/passwd and /etc/shadow, I could see three files in my linux machine.
/etc/group-
/etc/passwd-
/etc/shadow-
I cannot see these files in my root filesystem. But when I try to add one user using useradd command, these files seem to get generated.
So i would like to know when exactly is these files created and what is the use of these files?
These are backups of previous versions.
Manual pages show these files and states:
/etc/passwd-
Backup file for /etc/passwd.
/etc/shadow-
Backup file for /etc/shadow.
Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools.
See http://manpages.ubuntu.com/manpages/oneiric/man5/shadow.5.html and http://manpages.ubuntu.com/manpages/oneiric/man5/passwd.5.html