Questions tagged [syslog]
Syslog is a protocol designed to relay system event messages. Questions related to syslog involve event notification and logging capabilities.
373
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Difference between /var/log/messages, /var/log/syslog, and /var/log/kern.log?
For the purposes of kernel logging, why do I have three different, non-inclusive levels of logging amongst /var/log/messages, /var/log/syslog, and /var/log/kern.log?
63
votes
5
answers
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How to enable boot messages to be printed on screen during boot up?
How to enable boot messages, kernel messages and other logs of various services to be printed on screen during boot up?
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How do I disable messages or logging from printing on the console/virtual terminals?
My wireless driver is noisy. It prints out messages to the console every 10-30 seconds. So, if I'm working on VT1 or something, I get messages scrolling by all the time. Is there a way to shut this ...
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votes
2
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Where is syslog.conf?
I tried to move my stuff from CentOS to Ubuntu. Here is a problem I met: I would like find the corresponding CentOS /etc/syslog.conf file in Ubuntu? Basically, the file is used to control where those ...
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"CRITICAL: We failed, but the fail whale is dead. Sorry..."
When I started up my machine today I got some quite bizarre messages in my syslog:
...
Aug 17 18:58:15 Floral-Towel systemd[1349]: Startup finished in 266ms.
Aug 17 18:58:15 Floral-Towel systemd[1349]...
user364819
51
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3
answers
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Write to syslog from the command line
How can I write an entry into /var/log/syslog from the command line?
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49
votes
7
answers
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What does this docker log entry mean?
Some minutes ago my computer crashed because apparently my hard drive was full. After booting in recovery mode I then found out that my syslog file in /var/log was 64GB large. I saved the end of the ...
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votes
6
answers
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I cannot clear syslog but I can remove it?
Why doesnt sudo /dev/null > /var/log/syslog and sudo > /var/log/syslog work, while sudo rm /var/log/syslog works?!
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92% of syslog is filled with message regarding 'ureadahead' ignoring relative path
I just turned on my laptop (using Ubuntu 15.10 64-bit) and checked syslog for today's logs. From total
$ cat /var/log/syslog | grep 'Mar 23' | wc -l
23791
$ cat /var/log/syslog | grep -P 'Mar 23.*...
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35
votes
3
answers
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How do I limit the size of my syslog?
I've got my mom's computer running Ubuntu 12.04 LTS. It's been working just fine but all of the sudden syslog has been filling up. And by filling up I mean I just deleted a /var/log/syslog that was ...
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Where are Upstart log messages on Ubuntu 13.X?
On Ubuntu 12.04, I can find Upstart log messages in /var/log/syslog.
Commands:
# initctl log-priority info
# initctl emit hello
Log:
Apr 1 01:56:56 precise64 kernel: [ 8365.820425] init: ...
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votes
1
answer
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"file /var/log/syslog is being edited" message in nano
To the best of my knowledge, I can view /var/log/syslog with the command
sudo nano /var/log/syslog
and successfully did so several times during a session; however, I was trying to search the log for ...
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votes
5
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No logs are written to /var/log
I have a problem, that no logs are written to /var/log.
-rw-r----- 1 syslog adm 6.4M May 21 2014 syslog
-rw-r----- 1 syslog adm 5.7M May 21 2014 daemon.log
-rw-r----- 1 syslog adm 494K May 21 ...
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votes
7
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var/log/syslog growing indefinitely in size
The disk that contains Ubuntu on my computer is 115GB in size.
When the disk was 114.7GBfull.
I started deleting some files here and there to free up around 5GB.
But I noticed the disk was 114GB ...
- 761
27
votes
4
answers
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Cron Job Not Running?
I have a crontab file that looks like this:
* * * * * /home/abliskovs/update/update.sh
However when I check the syslog for evidence that the job has run, there is nothing that might indicate that it ...
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votes
3
answers
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How can I receive syslog logs from a networked system?
I'd like to configure Ubuntu to receive logs from a DD-WRT router. The router's configuration screen contains the following section:
and its logging documentation reads:
If you wish to send logs ...
- 77.2k
22
votes
2
answers
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^@^@ character in syslog
I observe the following strange characters ^@ in syslog at the time when my machine freezes.
Then i have to hardboot my machine.
What could be wrong any ideas?
Oct 12 12:20:52 nanak-P570WM anacron[...
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votes
2
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What could be the cause for these strange UFW block entries in my syslog?
I've recently noticed a large number of recurring UFW blocks in my syslog. This surprised me as I have no UFW rules set:
$ sudo ufw status verbose
Status: active
Logging: on (low)
Default: deny (...
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19
votes
2
answers
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difference between rsyslogd and syslogd
I was trying to implement some changes to syslogd on Ubuntu 10.04.02 LTS (Server edition). I found /etc/syslog.conf is not present on system, instead I have /etc/rsyslogd.d/*.conf. syslogd can be ...
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How do I configure rsyslog to send logs from a specific program to a remote syslog server?
I have a program which outputs to syslog with a given tag/program name. I'd like to be able to filter syslog traffic from that program and send it to a remote syslog server, leaving all other syslog ...
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votes
4
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How do I stop and remove KDE Baloo that is broken and filling up my syslog file?
KDE baloo has recently caused rsyslog to start logging many errors.
Part of 'Syslog'
Mar 3 15:01:53 harry-S340 baloo_file.desktop[2982]: org.kde.baloo.engine: PositionDB::put MDB_BAD_TXN: ...
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2
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How to solve: gkr-pam: unable to locate daemon control file?
Since i installed 19.04 I start to getting this error in my syslog sent from gdm-session-wor:
gkr-pam: unable to locate daemon control file
What could be the problem and how to solve it?
- 1,015
14
votes
3
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/var/log/syslog 'systemd[1]: Time has been changed' message every 5 seconds
I have a problem. There are messages like
Mar 1 15:52:34 ubuntu systemd[1]: Time has been changed
Mar 1 15:52:34 ubuntu systemd[1]: snapd.refresh.timer: Adding 1h 16min 25.978183s random time.
...
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votes
2
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Accidentally deleted /var/log/syslog
I accidentally deleted /var/log/syslog and now I can't get rsyslog working.
I was googling, I tried everything I found. To be precise:
I created syslog with touch.
Then I set chmod and chown ...
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14
votes
1
answer
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syslog doesn't exist!
I use 14.04 and I don't have syslog.
I'm a fresh user of Linux, being Windows user for years.
When I try tail syslog and that's what out:
henrique@henrique:/var/log$ tail -f /var/log/syslog
tail: ...
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votes
4
answers
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What is "WARNING 'syslog' option is deprecated"?
Hi all have been trying to make a samba ubuntu server and I ran testparm and it came up with ---- WARNING "syslog" option is deprecated' ----
In smb.conf I have syslog set to 0 (I have no idea what ...
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How do I stop /var/log/kern.log.1 from consuming all my disk space?
I have an 80 GB HDD without any partitions. One day I realized that I had lost most of my free disk space. I discovered that /var/log/kern.log.1 takes up 25 GB of space, and there is no delete ...
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votes
2
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What Graphical Logfile Analyzers are available?
does anybody know a good graphical logfile analyzer for (mainly) syslog messages from ubuntu?
maybe one that converts the text-based messages in objects to sort/group/filter messages
like windows' ...
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11
votes
5
answers
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/var/log/syslog not rotating
Our log file /var/log/syslog does not seem to be rotating, even though the logrotate config /etc/logrotate.d/rsyslog exists:
/var/log/syslog
{
rotate 7
daily
missingok
notifempty
...
- 531
11
votes
3
answers
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/var/log/syslog empty
Apparently my logs stopped working around Apr 10, as the current /var/log/syslog is empty, and /var/log/syslog.1 has the following for its last entries:
Apr 10 20:25:01 li243-206 CRON[2883]: (root) ...
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4
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"Wrong ufstype may corrupt your filesystem" - Should I be worried?
I was just now looking through /var/log/syslog and I found these line which worried me:
ufs: You didn't specify the type of your ufs filesystem
May 5 09:06:09 Bath-Towel kernel: [ 425.626221]
May ...
user364819
11
votes
1
answer
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How to correctly create a virtual file system?
A task in my homework assignment asks me to create a virtual file system, mount it, and perform some operations on it.
I am supposed to create a file of 10 MB whose bits are all set to 0, format it ...
- 1,175
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2
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Where do log messages go with journald and rsyslog
On Ubuntu 18.04 both journald and rsyslog are installed. Both serve the same purpose of collecting log messages and storing them. So we have two programs doing the same work here.
What I could find ...
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Syslog flooded with systemd-resolved messages "Using degraded feature set"
Lately my syslog is being flooded with these messages:
localhost systemd-resolved[1632]: Using degraded feature set (TCP) for DNS server 127.0.1.1.
I'm on Ubuntu 17.04. resolv.conf is auto-...
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Ubuntu crash - how to read log files
A few days ago the laptop decided to close without no relevant reason. From this day on, it randomly crashes without explanation.
This is what I (correctly?) filtered from the log files on the last ...
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Is there a way to suppress one specific message from syslog?
I'm getting a lot of
Dec 27 08:35:49 htpc kernel: [ 1552.153797] pciehp 0000:00:1c.5:pcie04: Card not present on Slot(0-2)
Dec 27 08:35:49 htpc kernel: [ 1552.157744] pciehp 0000:00:1c.5:pcie04: ...
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Which script rotates /var/log/auth.log?
I cannot figure out where /var/log/auth.log is rotated.
I found the file /var/log/auth.log.2013-09-16 on my system, which contains log entries previously found in /var/log/auth.log. Where does that ...
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Gnome Shell related JS errors seen in syslog file during investigating system freeze
I'm using Ubuntu 20.04 LTS (upgraded from original install of 18.04.4 LTS) on an HP Eitebook 2560 Intel Core i5
Trying to investigate a system issue where the UI became unresponsive at the lock ...
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How do I configure Dropbox to log to syslog?
Dropbox is currently running well on Ubuntu server 10.04.
How can I setup dropbox to log any sync in syslog or even separate log file?
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2
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How To rotate syslog daily?
I want to rotate my syslog daily... How do I do this? How to check whether log rotate is working? How to make it run daily? By default, does Ubuntu Server run logrotate daily? Or do I have to set it ...
- 2,805
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/var/log/syslog constantly logging errors, growing at 1 MB/s
It seems to be the same three errors repeated:
$ tail -n15 /var/log/syslog
Apr 5 23:32:01 detoo kernel: [ 6042.078785] ACPI Error: [PGRT] Namespace lookup failure, AE_NOT_FOUND (20150619/psargs-359)
...
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votes
2
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How to disable the log files?
To be specific I want to stop the kern.log and syslog files. I just installed Xunbuntu about 2 days ago and have no experience with this OS.
I know they are supposedly important, but I have a ...
- 81
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1
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Why is there "seccomp" events related to Google Chrome in syslog?
Was in my syslog today and noticed that the Google Chrome web browser is create TONS of events that look like this:
Dec 7 13:11:02 mycomp-sys76 kernel: [ 8371.604406] type=1701 audit(1354903862.279:...
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1
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How to diagnose/stop gdm-x-session spamming syslog
[Note: this is similar to issue #418 in the gnome gitlab but it happens to me constantly and I'm not running Evolution. I filed this there too, but gnome 3.28.2 is no longer supported there.]
I'm not ...
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3
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Sending UDP packets with `logger` command
I have couple different solutions for running custom syslog server (based on https://gist.github.com/marcelom/4218010).
The problem I am facing is that the following command does not send UDP packets ...
- 252
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1
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16.04: How do I make cron create cron.log and monitor it in real time?
I know that cron events are stored in /var/log/syslog and I can use a command like:
sudo cat /var/log/syslog | grep cron
to see them.
I'd much rather have the system keep a separate cron log file ...
- 3,169
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votes
5
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/dev/log is missing. how do I fix?
On my machine (16.04.1) it seems that /dev/log is missing. It's probably always been missing.
The real reason I am here asking for help is that I am using virtualmin with csf and the SYSLOG_CHECK ...
- 195
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votes
2
answers
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syslog.1 and kern.log.1 filling up with same message
So I just recently installed Ubuntu and today I discovered, that my kern.log and syslog files in /var/log/ are way to big (16.5GB and 13.0GB). I started to look into this, and discovered that the ...
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votes
3
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How to verify if a reboot was due to power outage?
We've had problems with tripping a breaker and I think we just did it again, but I need to confirm that 1 of our boxes rebooted due to a power outage and not for another mundane reason.
I have ...
- 2,536
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1
answer
700
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Why do I need syslog, or even cron, when Ubuntu has have the systemd journal and timers?
I have run a distro which doesn't have syslog nor cron installed by default. I felt lost at first, but when I learned how to read and work with the journal and systemd timers I found I didn't really ...
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