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This file describes the current list of modules distributed with
pdsh. Pdsh modules come in two flavors at this time: rcmd and
miscellaneous. The rcmd modules provide remote command functionality
for pdsh, while the "misc" modules extend the functionality of
pdsh in some other way -- by providing new options to pdsh or
modifying the pdsh working collective, for example.
Multiple rcmd modules may be installed at once and are chosen
at runtime by either the '-R type' option to pdsh, or by setting
the environment variable PDSH_RCMD_TYPE.
When pdsh initializes it reads all available modules from the
`pkglibdir' (typically /usr/lib/pdsh or /usr/local/lib/pdsh). If
conflicting modules are installed, they are loaded on a first-come
first-serve basis (i.e. the first module loaded wins). Modules
may be force-initialized by specifying them to the '-M' pdsh/pdcp
option, or via the PDSH_MISC_MODULES environment variable.
PDSH MODULES:
=============
Module: rcmd/rsh
Package: pdsh-rcmd-rsh
Description: BSD rcmd(3) connect method for pdsh.
Conflicts: None
Requires: rshd server running on remote nodes
Module: rcmd/ssh
Package: pdsh-rmcd-ssh
Description: SSH rcmd connect method for pdsh.
Conflicts: None
Requires: ssh installed, sshd on remote nodes
Module: rcmd/mrsh
Package: pdsh-rcmd-mrsh
Description: Rcmd connect method using Munge authentication.
Conflicts: None
Requires: munge
Module: rcmd/xcpu
Package: pdsh-rcmd-xcpu
Description: Rcmd connect method using XCPU
Conflicts: None
Requires: XCPU service mounted on /mnt/xcpu/<hostname>/xcpu
Module: misc/genders
Package: pdsh-mod-genders
Description: Provides -a,-i,-g node selection options using libgenders.
Conflicts: misc/machines, misc/dshgroup, misc/netgroup
Requires: libgenders
Module: misc/nodeupdown
Package: pdsh-mod-nodeupdown
Description: Provides -v option using nodeupdown library
Conflicts: None
Requires: libnodeupdown
Module: misc/machines
Package: pdsh-mod-machines
Description: Provides -a option using a flat-file list of hosts
Conflicts: misc/genders, misc/nodeattr
Module: misc/slurm
Package: pdsh-mod-slurm
Description: Allows list of targets to be built off SLURM_JOBID or `-j jobid'
Conflictls: None
Requires: slurm
Module: misc/dshgroup
Package: pdsh-mod-dshgroup
Description: Allows list of targets to be built from dsh-style "group" files.
Conflicts: misc/genders, misc/netgroup, misc/nodeattr
Module: misc/netgroup
Package: pdsh-mod-netgroup
Description: Allows list of targets to be build from netgroups.
Conflicts: misc/genders, misc/dshgroup, misc/nodeattr
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