An uninvited visitor file 'mbox'












1















I check the home directory and find a extra files 'mbox'



me@alpha:~$ ls -l | grep 'mbox' | sed "s/$USER/me/g"
-rw------- 1 me me 315392 Jan 19 23:10 mbox
-rw-r--r-- 1 me me 0 Jan 19 23:10 mbox.lock


I did not create such a file intentially



me@alpha:~$ cat mbox | head -10 | sed "s/$USER/me/g"
From me@alpha Sun Jan 13 16:15:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D805C2C0FBE; Sun, 13 Jan 2019 16:15:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


All the cron logs are stored in



me@alpha:~$ cat /var/mail/$USER | head -10 | sed "s/$USER/me/g"
From me@alpha Wed Jan 16 11:25:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D40C52C1345; Wed, 16 Jan 2019 11:25:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


mbox is a redundancy



How could I check where the mbox come from?










share|improve this question


















  • 2





    Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

    – terdon
    Jan 21 at 11:04
















1















I check the home directory and find a extra files 'mbox'



me@alpha:~$ ls -l | grep 'mbox' | sed "s/$USER/me/g"
-rw------- 1 me me 315392 Jan 19 23:10 mbox
-rw-r--r-- 1 me me 0 Jan 19 23:10 mbox.lock


I did not create such a file intentially



me@alpha:~$ cat mbox | head -10 | sed "s/$USER/me/g"
From me@alpha Sun Jan 13 16:15:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D805C2C0FBE; Sun, 13 Jan 2019 16:15:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


All the cron logs are stored in



me@alpha:~$ cat /var/mail/$USER | head -10 | sed "s/$USER/me/g"
From me@alpha Wed Jan 16 11:25:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D40C52C1345; Wed, 16 Jan 2019 11:25:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


mbox is a redundancy



How could I check where the mbox come from?










share|improve this question


















  • 2





    Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

    – terdon
    Jan 21 at 11:04














1












1








1








I check the home directory and find a extra files 'mbox'



me@alpha:~$ ls -l | grep 'mbox' | sed "s/$USER/me/g"
-rw------- 1 me me 315392 Jan 19 23:10 mbox
-rw-r--r-- 1 me me 0 Jan 19 23:10 mbox.lock


I did not create such a file intentially



me@alpha:~$ cat mbox | head -10 | sed "s/$USER/me/g"
From me@alpha Sun Jan 13 16:15:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D805C2C0FBE; Sun, 13 Jan 2019 16:15:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


All the cron logs are stored in



me@alpha:~$ cat /var/mail/$USER | head -10 | sed "s/$USER/me/g"
From me@alpha Wed Jan 16 11:25:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D40C52C1345; Wed, 16 Jan 2019 11:25:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


mbox is a redundancy



How could I check where the mbox come from?










share|improve this question














I check the home directory and find a extra files 'mbox'



me@alpha:~$ ls -l | grep 'mbox' | sed "s/$USER/me/g"
-rw------- 1 me me 315392 Jan 19 23:10 mbox
-rw-r--r-- 1 me me 0 Jan 19 23:10 mbox.lock


I did not create such a file intentially



me@alpha:~$ cat mbox | head -10 | sed "s/$USER/me/g"
From me@alpha Sun Jan 13 16:15:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D805C2C0FBE; Sun, 13 Jan 2019 16:15:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


All the cron logs are stored in



me@alpha:~$ cat /var/mail/$USER | head -10 | sed "s/$USER/me/g"
From me@alpha Wed Jan 16 11:25:01 2019
Return-Path: <me@alpha>
X-Original-To: me
Delivered-To: me@alpha
Received: by alpha (Postfix, from userid 1000)
id D40C52C1345; Wed, 16 Jan 2019 11:25:01 +0800 (CST)
From: root@alpha (Cron Daemon)
To: me@alpha
Subject: Cron <me@alpha> (cd ~/Documents/OrgMode; git add .; git commit -m "defensive save")
MIME-Version: 1.0


mbox is a redundancy



How could I check where the mbox come from?







cron






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 21 at 10:45









AliceAlice

415110




415110








  • 2





    Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

    – terdon
    Jan 21 at 11:04














  • 2





    Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

    – terdon
    Jan 21 at 11:04








2




2





Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

– terdon
Jan 21 at 11:04





Not an answer, but just so you know, there's no reason to do cat file | head (UUOC), you can always do head file directly instead.

– terdon
Jan 21 at 11:04










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