CDA SC510 Guia do Utilizador descarregar pdf (Página 43)

D2.1.4 IST-033576

% c r \ _ c h e c k p o i n t −−h e l p

If cr_checkpoint cannot be found, you need to modify your PATH to include

the directory where cr_checkpoint lives. You will probably also want to modify

your LD_LIBRARY_PATH variable to contain the directory where libcr.so lives,

and add the BLCR man directory to your MANPATH.

B.3.3 Setting up your environment with ’modules’

If your system uses the Environment Modules system to manage software pack-

ages, you may be able to get all of your needed environment settings simply by

entering something like

%module add b l c r

However, there is no requirement that ’blcr’ is the name of the module you’ll

need; your administrator may have given it a different name (’checkpoint’, etc.).

Or s/he may have neglected to add BLCR to the set of packages managed by

modules, in which case you’ll need to use the ’manual’ technique below.

B.3.4 Manually setting up your environment

To manually set up your environment for BLCR, the ﬁrst thing you need to know

is where it has been installed. By default, BLCR installs into the /usr/local direc-

tory tree, but your system administrator may have put it elsewhere by passing –

preﬁx=PREFIX when BLCR was built (where PREFIX can be any arbitrary direc-

tory). See your system documents, or try commands such as locate cr_checkpoint

or ﬁnd.

Once you have determined where BLCR is installed, enter the following com-

mands (depending on which type of shell you are using), replacing PREFIX with

the value speciﬁed for the –preﬁx option used when conﬁguring BLCR.

To conﬁgure a bourne-type shell (such as ’bash’ or ’ksh’):

$ PATH=$PATH : PREFIX / b i n

$ MANPATH=$MANPATH: PREFIX / man

$ LD_LIBRARY_PATH=$LD_LIBRARY_PATH : PREFIX / l i b

$ e x p o r t PATH MANPATH LD \ _LIBRARY \ _PATH

To conﬁgure a csh-type shell (such as ’csh’ or ’tcsh’):

% s e t e n v PATH ${PATH } : PREFIX / b i n

% s e t e n v MANPATH ${MANPATH} : PR EFIX / man

% s e t e n v LD_LIBRARY_PATH $ {LD_LIBRARY_PATH } : PREFIX / l i b

41/49 XtreemOS–Integrated Project

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CDA SC510 Guia do Utilizador Página 43