Questions tagged [tail]
Unix command to view the end of a file
138
questions
2
votes
1
answer
137
views
Execute self-extracting bash script (with binary data appended) w/o saving it first
I have a self-extracting bash script (binary data appended to the end) like this:
#!/bin/bash
export TMPDIR=$(mktemp -d)
ARCHIVE_START_LINE=$(...) # <omitted>
# extracting data archive into a ...
- 121
2
votes
1
answer
155
views
tail -f does not follow files on WSL
I have :
F:\xampp-htdocs>wsl --list
Windows Subsystem für Linux-Distributionen:
Ubuntu-22.04 (Standard)
I cd into my logfiles on Window 11:
/mnt/d/xampp-2024-15-01/apache/logs$
there i do
tail -f ...
- 121
12
votes
3
answers
2k
views
Stop scrolling to the bottom automatically in PuTTY
I am using tail -f to monitor a file via PuTTY. But each time new content arrives then it automatically scrolls to the bottom and so I can't read the text.
Is there a way to make it stop that ...
- 8,131
0
votes
1
answer
229
views
How to output contents of rotating log files dynamically to stdout?
I want to output the contents of a number of rotating log files, let's say file.log.1 and file.log to stdout for continued processing.
For a single log file I could have used tail -F file.log, but ...
- 111
1
vote
1
answer
138
views
stopping ssh process that is sent to background without corrupting stdout
My script aims to extract a text log file using tail -f and a wireshark trace using tshark. But I don't know if these are the best options for my goal.
My script has to ssh into a machine (which I ...
- 13
2
votes
1
answer
6k
views
Modify 2>&1 so that output goes to a specific file and any errors or other output goes to a log file I can monitor?
I'm reading this post and I don't fully follow the answer.
I wondered if I could modify this, what's it called, command redirect?
What I would like:
Don't hang, use ampersand & to move on to the ...
- 155
0
votes
1
answer
820
views
What are the command line parameters (options) for Microsoft's CMTRACE tool?
The CMTRACE tool is included in Microsoft's System Center 2012 R2 Configuration Manager Toolkit.
It's a reasonably good tail tool. One of its downsides, however, is that it can take a very long time ...
- 8,477
1
vote
2
answers
807
views
Tail -f is not showing the update of the file when edited form editor
I have opened a file using tail -f <filename, and tried to append some texts in the same file from another tab using vim, the updated content is not showing. But if I append some texts using echo ...
- 113
0
votes
1
answer
223
views
Find files from different directories with inclusion and exclusion of some
I want to find files from three different folders with certain files included & excluded.
Folder 1:
Path: /var/www/app/var/log/
Exclude only: file1.log & file2.log
Folder 2:
Path: /var/log/...
- 165
0
votes
0
answers
757
views
Mac terminal : terminate tail output
How can I terminate the tail log output on the mac terminal and come back to the prompt?
I have tried using command+z|x|c|q and control+z|x|c|q but it doesn't work.
With control, I get the below ...
- 1
0
votes
1
answer
103
views
Tail log and output top processes upon encountering string fails
I am running the following command to tail a log file and output top processes to a file upon encountering a given string:
tail -f mylogfile.log | awk '
/server on fire/ { system("...
- 101
1
vote
1
answer
650
views
Unblock "less" after follow mode / scrolling past end of buffer
I'm using less to capture the output of a live program. Using F activates follow mode, showing me real-time output. However, after entering follow mode (or, more generally, scrolling past the buffered ...
- 1,441
2
votes
0
answers
59
views
Realtime filtering of a capture in a different process
Posted this on network engineering earlier: https://networkengineering.stackexchange.com/questions/67433/realtime-filtering-of-a-recording-in-a-different-process
I have a network recording setup ...
0
votes
1
answer
3k
views
tail -n1 on latest non-empty line
I wanted to achieve something similar to this
grep -v '^$' <myfile-with-blank-lines-at-the-end> | tail -n 1
Basically, I have a file with a unique number, followed by a comma
and I want to ...
- 299
4
votes
1
answer
24k
views
Combining find grep and tail
I am trying to find all files that start with a certain name, then go through each file to find lines that contains a string, then only print out the last line of each file that contain the string. ...
- 143