auth.log regarded as a binary file
0
I tried to review the auth.log with grep
user@hos:~$ sudo grep 'sshd' /var/log/auth.log
Binary file /var/log/auth.log matches
It prompts auth.log is a binary file, but
user@host~$ sudo tail -n 3 /var/log/auth.log
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session opened for user root by assistant(uid=0)
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session closed for user root
Jan 24 15:20:04 assistant sudo: assistant : TTY=pts/0 ; PWD=/home/assistant ; USER=root ; COMMAND=/usr/bin/tail -n 3 /var/log/auth.log
When come to cat
user@host:~$ sudo cat /var/log/auth.log | grep 'sshd'
Binary file (standard input) matches
Why auth.log is regarded as a binary file?
log
asked Jan 24 at 7:23
AliceAlice
450110
add a comment |
0
I tried to review the auth.log with grep
user@hos:~$ sudo grep 'sshd' /var/log/auth.log
Binary file /var/log/auth.log matches
It prompts auth.log is a binary file, but
user@host~$ sudo tail -n 3 /var/log/auth.log
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session opened for user root by assistant(uid=0)
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session closed for user root
Jan 24 15:20:04 assistant sudo: assistant : TTY=pts/0 ; PWD=/home/assistant ; USER=root ; COMMAND=/usr/bin/tail -n 3 /var/log/auth.log
When come to cat
user@host:~$ sudo cat /var/log/auth.log | grep 'sshd'
Binary file (standard input) matches
Why auth.log is regarded as a binary file?
log
asked Jan 24 at 7:23
AliceAlice
450110
add a comment |
0
0
0
I tried to review the auth.log with grep
user@hos:~$ sudo grep 'sshd' /var/log/auth.log
Binary file /var/log/auth.log matches
It prompts auth.log is a binary file, but
user@host~$ sudo tail -n 3 /var/log/auth.log
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session opened for user root by assistant(uid=0)
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session closed for user root
Jan 24 15:20:04 assistant sudo: assistant : TTY=pts/0 ; PWD=/home/assistant ; USER=root ; COMMAND=/usr/bin/tail -n 3 /var/log/auth.log
When come to cat
user@host:~$ sudo cat /var/log/auth.log | grep 'sshd'
Binary file (standard input) matches
Why auth.log is regarded as a binary file?
log
asked Jan 24 at 7:23
AliceAlice
450110
I tried to review the auth.log with grep
user@hos:~$ sudo grep 'sshd' /var/log/auth.log
Binary file /var/log/auth.log matches
It prompts auth.log is a binary file, but
user@host~$ sudo tail -n 3 /var/log/auth.log
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session opened for user root by assistant(uid=0)
Jan 24 15:19:53 assistant sudo: pam_unix(sudo:session): session closed for user root
Jan 24 15:20:04 assistant sudo: assistant : TTY=pts/0 ; PWD=/home/assistant ; USER=root ; COMMAND=/usr/bin/tail -n 3 /var/log/auth.log
When come to cat
user@host:~$ sudo cat /var/log/auth.log | grep 'sshd'
Binary file (standard input) matches
Why auth.log is regarded as a binary file?
log
log
asked Jan 24 at 7:23
AliceAlice
450110
asked Jan 24 at 7:23
AliceAlice
450110
asked Jan 24 at 7:23
AliceAlice
450110
asked Jan 24 at 7:23
AliceAlice
450110
asked Jan 24 at 7:23
AliceAlice
450110
450110
add a comment |
add a comment |
1 Answer
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From man grep:
--binary-files=TYPE
If a file's data or metadata indicate that the file contains binary data, assume
that the file is of type TYPE. Non-text bytes indicate binary data; these are
either output bytes that are improperly encoded for the current locale, or null
input bytes when the -z option is not given.
So the log file may be corrupted, or some application might have written non-text bytes to the file.
Also see:
- How does -a command line option in grep work?
answered Jan 24 at 7:33
OlorinOlorin
2,657924
add a comment |
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1 Answer
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votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
2
From man grep:
--binary-files=TYPE
If a file's data or metadata indicate that the file contains binary data, assume
that the file is of type TYPE. Non-text bytes indicate binary data; these are
either output bytes that are improperly encoded for the current locale, or null
input bytes when the -z option is not given.
So the log file may be corrupted, or some application might have written non-text bytes to the file.
Also see:
- How does -a command line option in grep work?
answered Jan 24 at 7:33
OlorinOlorin
2,657924
add a comment |
2
From man grep:
--binary-files=TYPE
If a file's data or metadata indicate that the file contains binary data, assume
that the file is of type TYPE. Non-text bytes indicate binary data; these are
either output bytes that are improperly encoded for the current locale, or null
input bytes when the -z option is not given.
So the log file may be corrupted, or some application might have written non-text bytes to the file.
Also see:
- How does -a command line option in grep work?
answered Jan 24 at 7:33
OlorinOlorin
2,657924
add a comment |
2
2
2
From man grep:
--binary-files=TYPE
If a file's data or metadata indicate that the file contains binary data, assume
that the file is of type TYPE. Non-text bytes indicate binary data; these are
either output bytes that are improperly encoded for the current locale, or null
input bytes when the -z option is not given.
So the log file may be corrupted, or some application might have written non-text bytes to the file.
Also see:
- How does -a command line option in grep work?
answered Jan 24 at 7:33
OlorinOlorin
2,657924
From man grep:
--binary-files=TYPE
If a file's data or metadata indicate that the file contains binary data, assume
that the file is of type TYPE. Non-text bytes indicate binary data; these are
either output bytes that are improperly encoded for the current locale, or null
input bytes when the -z option is not given.
So the log file may be corrupted, or some application might have written non-text bytes to the file.
Also see:
- How does -a command line option in grep work?
answered Jan 24 at 7:33
OlorinOlorin
2,657924
answered Jan 24 at 7:33
OlorinOlorin
2,657924
answered Jan 24 at 7:33
OlorinOlorin
2,657924
answered Jan 24 at 7:33
OlorinOlorin
2,657924
2,657924
add a comment |
add a comment |
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