31143Re: [LINUX_Newbies] Re: Grep questions
- Aug 14, 2013Good morning
Mi Aug 14 09:09:02 2013
Thank You for help.
> | > Well, your whole home directory should be backed up.*
> | > (Possibly excluding scratch areas like caches of temp files.)
> | *
> | Ok
> | Should I also back up the whole home
> | by changing for example from Xubuntu to Siduction?
> I don't understand this question.
What do I have to save
when I want to decide:
Stop using Xubuntu. I install a fresh Siduction (or SuSe or whatever)
and I want to delete Xubuntu.
> | What do I have to do
> | a
> | I create a directory and there I put all executable files.
> | b
> | I create a subfolder mybin in the dir bin like bin/mybin
> | and put there my executable files.
> You could make this distinction if you like.
> A more normal pattern is that third party executables/packages go
> in /usr/local or /opt depending on style, on the premise that you
> are installing them for all users of the computer to access.
Root means admin does install.
All users can use it.
> If you are installing a third party exeutable/package only for
> yourself (for example, experimental or insufficiently tested software
> for some special purpose) you would install it in a directory inside
> your own home directory (such as the "bin" you propose).
> If you are doing that, it would be sensible to do as you suggested
> and have a "bin" for third party stuff and a "mybin" for your own
> stuff. Just mention both of them in your $PATH in whichever order suits
> your own policy.
This is my question:
Should I declare
or does Linux find the executable file
mybin is a subdirectory of bin?
> My personal habit on machine I alone administer is to install third
> party packages in /opt, for example: /opt/mutt-1.5.21 for version
> 1.5.21 of mutt.
Inside that directory there will be a "bin" with the "mutt"
> executable and an assortment of other directories with manualentries, etc.
> Then to present access to it to all users I would go to /usr/local/bin*
> (the "global" third party "bin" directory where people expect to find
> "extra" software)
> and go:
> ln -s /opt/mutt-1.5.21/bin/mutt mutt-1.5.21
> ln -s /opt/mutt-1.5.21/bin/mutt mutt
> This makes two names: "mutt" as the default version of mutt that
> people get when they just type "mutt", and "mutt-1.5.21" as a name
> people can type to run that specific version of mutt.
Very good example.
> Later, one can install mutt version 1.5.22 in a similar fashion in
> and make just the "mutt-1.5.22" name in /usr/local/bin (the first "ln
> -s" above).
> If you then decide that 1.5.22 is good (and better), then change the
> "default" mutt
> to it:
> cd /usr/local/bin
> rm mutt
> ln -s /opt/mutt-1.5.22/bin/mutt mutt
> This gives you flexibility to install multiple versions of software
> and to pick and choose between them later.
> It presumes that "/usr/local/bin" is in the $PATH, of course.
> | I think it is possibel to
> | make a shell file:
> | ffx does start firefox
> | as shortcut.
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