Section 8: administration and privileged commands
pyicqt_selinux – Security Enhanced Linux Policy for the pyicqt processes Description Security-Enhanced Linux secures the pyicqt processes via flexible mandatory access control. The pyicqt processes execute with the pyicqt_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
pwupdate – updates passwd and shadow NIS map Synopsis /usr/lib/yp/pwupdate [shadow] Description pwupdate is invoked by rpc.yppasswdd(8) after changing the password and it should update the passwd and shadow NIS map. Never run it by hand. Options shadow Normally, only the passwd map will be updated. With this option, pwupdate will update the shadow map,…
pwconv, pwunconv, grpconv, grpunconv – convert to and from shadow passwords and groups Synopsis pwconv [options] pwunconv [options] grpconv [options] grpunconv [options] Description The pwconv command creates shadow from passwd and an optionally existing shadow. The pwunconv command creates passwd from passwd and shadow and then removes shadow. The grpconv command creates gshadow from group…
pwmconfig – tests the PWM outputs of sensors and configures fancontrol Synopsis pwmconfig Warning pwmconfig will attempt to stop your fans, one at a time, for approximately 5 seconds each. This may cause your processor temperature to rise. Verify that all fans are running at normal speed after this program has exited. pwmconfig does its…
pwhistory_helper – Helper binary that transfers password hashes from passwd or shadow to opasswd Synopsis pwhistory_helper […] Description pwhistory_helper is a helper program for the pam_pwhistory module that transfers password hashes from passwd or shadow file to the opasswd file and checks a password supplied by user against the existing hashes in the opasswd file….
pwconv, pwunconv, grpconv, grpunconv – convert to and from shadow passwords and groups Synopsis pwconv [options] pwunconv [options] grpconv [options] grpunconv [options] Description The pwconv command creates shadow from passwd and an optionally existing shadow. The pwunconv command creates passwd from passwd and shadow and then removes shadow. The grpconv command creates gshadow from group…
pwck – verify integrity of password files Synopsis pwck [options] [passwd [ shadow ]] Description The pwck command verifies the integrity of the users and authentication information. It checks that all entries in /etc/passwd and /etc/shadow have the proper format and contain valid data. The user is prompted to delete entries that are improperly formatted or which have…
pwauth_selinux – Security Enhanced Linux Policy for the pwauth processes Description Security-Enhanced Linux secures the pwauth processes via flexible mandatory access control. The pwauth processes execute with the pwauth_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
pvscan – List all physical volumes Synopsis pvscan option_args [ option_args ] [ position_args ] Description When called without the –cache option, pvscan lists PVs on the system, like pvs(8) or pvdisplay(8). When the –cache and -aay options are used, pvscan records which PVs are available on the system, and activates LVs in completed VGs. A VG is complete…
pvs – Display information about physical volumes Synopsis pvs [ option_args ] [ position_args ] Description pvs produces formatted output about PVs. Usage pvs [ -a|–all ] [ -o|–options String ] [ -S|–select String ] [ -O|–sort String ] [ –segments ] [ –aligned ] [ –binary ] [ –configreport log|vg|lv|pv|pvseg|seg ] [ –foreign ] [ –ignorelockingfailure ] […
pvresize – Resize physical volume(s) Synopsis pvresize position_args [ option_args ] Description pvresize resizes a PV. The PV may already be in a VG and may have active LVs allocated on it. Usage pvresize PV … [ –setphysicalvolumesize Size[m|UNIT] ] [ –reportformat basic|json ] [ COMMON_OPTIONS ] Common options for lvm: [ -d|–debug ] [ -h|–help ]…
pvremove – Remove LVM label(s) from physical volume(s) Synopsis pvremove position_args [ option_args ] Description pvremove wipes the label on a device so that LVM will no longer recognise it as a PV. A PV cannot be removed from a VG while it is used by an active LV. Repeat the force option (-ff) to forcibly remove…
pvmove – Move extents from one physical volume to another Synopsis pvmove position_args [ option_args ] [ position_args ] Description pvmove moves the allocated physical extents (PEs) on a source PV to one or more destination PVs. You can optionally specify a source LV in which case only extents used by that LV will be moved to free (or…
pvdisplay – Display various attributes of physical volume(s) Synopsis pvdisplay [ option_args ] [ position_args ] Description pvdisplay shows the attributes of PVs, like size, physical extent size, space used for the VG descriptor area, etc. pvs(8) is a preferred alternative that shows the same information and more, using a more compact and configurable output format. Usage pvdisplay […
pvcreate – Initialize physical volume(s) for use by LVM Synopsis pvcreate position_args [ option_args ] Description pvcreate initializes a Physical Volume (PV) on a device so the device is recognized as belonging to LVM. This allows the PV to be used in a Volume Group (VG). An LVM disk label is written to the device, and LVM…
pvck – Check metadata on physical volumes Synopsis pvck option_args position_args [ option_args ] –commandprofile String –config String -d|–debug –driverloaded y|n –dump String -f|–file String -h|–help –labelsector Number –lockopt String –longhelp –nolocking –profile String –[pv]metadatacopies 0|1|2 -q|–quiet –repair –repairtype pv_header|metadata|label_header –settings String -t|–test -v|–verbose –version -y|–yes Description pvck checks and repairs LVM metadata on PVs. Dump headers Print header values and warn if any values are incorrect. Checks…
pvchange – Change attributes of physical volume(s) Synopsis pvchange option_args position_args [ option_args ] Description pvchange changes PV attributes in the VG. For options listed in parentheses, any one is required, after which the others are optional. Usage Change properties of all PVs. pvchange -a|–all ( -x|–allocatable y|n, -u|–uuid, –addtag Tag, –deltag Tag, –metadataignore y|n ) [ COMMON_OPTIONS ] Change properties…
push – fetch mail via POP Synopsis [-5 | –krb5 ] [-v | –verbose ] [-f | –fork ] [-l | -leave ] [–from ] [-c | -count ] [–headers = headers ] [-p port-spec | –-port = port-spec ] po-box filename Description retrieves mail from the post office box po-box and stores the mail…
pure-uploadscript – Automatically run an external program after a successful upload Syntax pure-uploadscript [-p </path/to/pidfile>] [-B] [-g <gid>] [-h] -r <program to run> [-u <uid>] Description If Pure-FTPd is compiled with –with-uploadscript (default in binary distributions), and if the -o (or –uploadscript) is passed to the server, a named pipe called /var/run/pure-ftpd.upload.pipe is created. You…
pure-statsdecode – Show human-readable dates from a "stats" logfile Syntax pure-statsdecode filename pure-statsdecode – Description This program decodes Pure-FTPd’s "stats" log files and converts timestamps into human-readable dates. Options – means to read the standard input. filename is a log file produced with pure-ftpd -O ftpstats:/path/to/logfile Examples To run this program the standard way type:…