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'\" t
.\" Title: lastlog
.\" Author: Julianne Frances Haugh
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 08/11/2022
.\" Manual: Comandi per la gestione del sistema
.\" Source: shadow-utils 4.13
.\" Language: Italian
.\"
.TH "LASTLOG" "8" "08/11/2022" "shadow\-utils 4\&.13" "Comandi per la gestione del si"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NOME"
lastlog \- riepiloga gli accessi pi\(`u recenti di tutti gli utenti o dell\*(Aqutente dato
.SH "SINOSSI"
.HP \w'\fBlastlog\fR\ 'u
\fBlastlog\fR [\fIopzioni\fR]
.SH "DESCRIZIONE"
.PP
\fBlastlog\fR
formats and prints the contents of the last login log
/var/log/lastlog
file\&. The
\fIlogin\-name\fR,
\fIport\fR, and
\fIlast login time\fR
will be printed\&. The default (no flags) causes lastlog entries to be printed, sorted by their order in
/etc/passwd\&.
.SH "OPZIONI"
.PP
The options which apply to the
\fBlastlog\fR
command are:
.PP
\fB\-b\fR, \fB\-\-before\fR\ \&\fIDAYS\fR
.RS 4
Print only lastlog records older than
\fIDAYS\fR\&.
.RE
.PP
\fB\-C\fR, \fB\-\-clear\fR
.RS 4
Clear lastlog record of a user\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-h\fR, \fB\-\-help\fR
.RS 4
Mostra un messaggio di aiuto ed esce\&.
.RE
.PP
\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
.RS 4
Apply changes in the
\fICHROOT_DIR\fR
directory and use the configuration files from the
\fICHROOT_DIR\fR
directory\&. Only absolute paths are supported\&.
.RE
.PP
\fB\-S\fR, \fB\-\-set\fR
.RS 4
Set lastlog record of a user to the current time\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-t\fR, \fB\-\-time\fR\ \&\fIDAYS\fR
.RS 4
Print the lastlog records more recent than
\fIDAYS\fR\&.
.RE
.PP
\fB\-u\fR, \fB\-\-user\fR\ \&\fILOGIN\fR|\fIRANGE\fR
.RS 4
Mostra il record di ultimo accesso per l\*(Aqutente o gli utenti specificati da
\fILOGIN\fR\&.
.sp
The users can be specified by a login name, a numerical user ID, or a
\fIRANGE\fR
of users\&. This
\fIRANGE\fR
of users can be specified with a min and max values (\fIUID_MIN\-UID_MAX\fR), a max value (\fI\-UID_MAX\fR), or a min value (\fIUID_MIN\-\fR)\&.
.RE
.PP
If the user has never logged in the message
\fI** Never logged in**\fR
will be displayed instead of the port and time\&.
.PP
Solo le registrazioni degli utenti correnti del sistema verranno mostrate\&. Ci potrebbero essere altre registrazioni per utenti cancellati in precedenza\&.
.SH "NOTA"
.PP
The
lastlog
file is a database which contains info on the last login of each user\&. You should not rotate it\&. It is a sparse file, so its size on the disk is usually much smaller than the one shown by "\fBls \-l\fR" (which can indicate a really big file if you have in
passwd
users with a high UID)\&. You can display its real size with "\fBls \-s\fR"\&.
.SH "CONFIGURAZIONE"
.PP
The following configuration variables in
/etc/login\&.defs
change the behavior of this tool:
.SH "FILE"
.PP
/var/log/lastlog
.RS 4
Database degli orari dei precedenti accessi utente\&.
.RE
.SH "AVVISI/CAVEAT"
.PP
Se ci sono dei grossi scarti tra i valori di UID, il programma lastlog pu\(`o restare in esecuzione per un tempo prolungato senza produrre output sullo schermo (ad es\&. se nel database lastlog non ci sono registrazioni per UID tra 170 e 800, il programma sembrer\(`a bloccato mentre esamina gli UID tra 171 e 799)\&.
.PP
Having high UIDs can create problems when handling the
<term> /var/log/lastlog</term>
with external tools\&. Although the actual file is sparse and does not use too much space, certain applications are not designed to identify sparse files by default and may require a specific option to handle them\&.
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