All Questions
16
questions
0
votes
2
answers
75
views
Prevent application (iscsiadm) logging to dmesg?
I have an issue where running sudo iscsiadm -m discovery -t st -p IP -l logs to dmesg across all terminals on the server.
The command is run from a java application, using:
Runtime.getRuntime()....
- 101
6
votes
1
answer
20k
views
Journalctl shows logs from about last hour only
I have a problem with journalctl logs, which doesn't show me logs older than about one hour.
First log entry is from about one hour ago, instead of 2 days as requested.
$ date -u
Wed May 13 08:59:21 ...
- 175
0
votes
0
answers
23
views
Linux - How to make grep show the next line too [duplicate]
I am using grep to see a log of one of our systems.
When I type "cat server.log | grep PPHI245" it shows the output below:
But, when I type just "cat server.log" it shows the output below:
Look ...
- 123
0
votes
3
answers
2k
views
How to record stdout and stderr with different tags in syslog?
I can redirect both stdout and stderr to logger this way:
./myprog 2>&1 | tee /dev/tty | logger
but I would like to be able to tag each log entry with "myprog-out" and "myprog-err" based on ...
- 233
0
votes
3
answers
4k
views
search in log from last hour
I need bash script to search in the log words Failed and failure. But only from last hour
cut -c 5- /var/log/mail.log | awk '($0 >= from)' from="$(LC_TIME=C date +'%_d %H:%M:%S' -d -1hour)" |grep -...
- 1
1
vote
0
answers
498
views
Check to see if server is up
Create dir logs (for outputted logs)
Create a script IsTheServerUp.bash
Write a script to check if the server is up
Log(echo) the outcome to the file
Use curl command to check the server
Use ...
- 21
2
votes
1
answer
411
views
Break and restart Linux command when specific text appears
To simplify the situation as much as possible, let's say I'm tailing a log file that gets rotated out when an application shutdown occurs. Since the file changes, the tail stops. In order to continue ...
- 405
2
votes
1
answer
2k
views
Recording a bash session
For auditing and documentation purposes, I'd like to find a command such that everything that happens in a given bash session, is written to a file.
I.e., I'd like to end up with a file that shows ...
- 163
8
votes
4
answers
29k
views
Redirecting command output in docker
I want to do some simple logging for my server which is a small Flask app running in a Docker container.
Here is the Dockerfile
# Dockerfile
FROM dreen/flask
MAINTAINER dreen
WORKDIR /srv
# Get ...
- 456
0
votes
3
answers
193
views
Check which string occurs first in a growing file
I'm running a remote executable which produces a logfile.
I want to write a script to check whether the executable is run successfully or encounters an error. The way I can do this is by looking at ...
- 3,397
0
votes
3
answers
295
views
Grep for block surrounding an error message
I want to grep for the block of logs around a particular error message. Say I know my log looks like this:
[----] I, [2014-04-10T19:12:36.294512 #1910:e93004] INFO -- : Started GET "/ems_infra/new" ...
- 587
1
vote
1
answer
2k
views
Logrotate append to existing file and truncate original
Is it possible with logrotate to take the content of a log and add it to an existing file?
Like so:
1. Put the content of /var/log/vnc.log after the content of /archive/logs/vnc.log
2. Truncate /...
- 31
2
votes
3
answers
1k
views
log execution of certain commands on linux
I have to maintain a system (debian) on which several users are allowed to install programs - so I would like to log, for example, if anyone executes "apt-get install" or "apt-get purge", so I can ...
user234646
3
votes
2
answers
4k
views
How to make `script` command loaded automatically on terminal login
script command allows to log gently everything that was put to console during session (like history but also displays results of commands). Everything is logged to file typescript.xxx
Now I want to ...
- 141
2
votes
2
answers
127
views
Efficient environment for viewing logs [closed]
Currently I am using tail -f for viewing logs.
Is there any more efficient/readable/better way of viewing logs?
- 193