Fedora :: Tail -f /var/log/messages Info
Jul 30, 2010
I was using Opensuse on Virtualbox earlier today. I issued the tail -f /var/log/messages command on Opensuse 11.3 to see the messages. Then I logged in from my Mac into Opensuse 11.3. I noticed that Opensuse was displaying realtime messages of the things happening. For eg, I entered a wrong su password and it displayed that too. But no such things were happening on my Fedora 13 installation. So is there any way if I could get some realtime messages on Fedora 13 too like the one on Opensuse..?
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Feb 3, 2011
So everytime I resume Ubuntu from hibernation, it remains black for a time then 2 messages on the screen appear for about 10 seconds before I can log-in:
Code: [ 0.556247] [drm:init_ring_common] *ERROR* render ring head not reset to zero ctl 00000000 head 02001000 tail 00000000 start 02001000 [ 0.556320] [drm:init_ring_common] *ERROR* render ring head forced to zero ctl 00000000 head 00000000 tail 00000000 start 02001000
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May 29, 2010
Installed Fedora 12 in vmware and during the installation of a professional program versioned 2003, following error encountered.
tail: cannot open `+124' for reading: No such file or directory
gzip: tmptarfile.tar.Z: not in gzip format
tar: This does not look like a tar archive
tar: Error exit delayed from previous errors
extract error, installation cannot proceed.
Checked the google and tried ncompress and export_posix2_version=199209, but the problem persists.Is fedora compatible to this program, MEDICI 2003 ver?
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Jun 18, 2011
By invoking x11vnc with the -gui tray option the TCL/TK GUI attempts to embed itself onto the system tray, but I encounter the error message "tail: cannot watch /tmp/x11vnc.tray.*", after the first settings dialog approved [clicked OK]. I believe that a package is still missing to be installed and this is not really a software bug. I use the XFCE version shipped along F15, and the GUI can be started but not as a docked-applet.
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Aug 6, 2010
so i cannot install anything because update-info-dir file is missing from /var/lib/dpkg/info/ .. I've searched for the last day and a half for a way to fix this, but nothing. can't even update dpkg because of this. so how do I bypass or fix this so I can install stuff (this is a fresh install of ubuntu 10.04 lts Lucid Lynx).
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Jul 13, 2011
I have a syslog-ng running and kernel build of 2.6.34.8 I use a syslog API in my program with facility LOG_LOCAL5 and and levels debug err and crit and info. when I ran on the older syslog facility I had everything logged fine as I intended. now I have written these rules into the syslog-ng.conf:
options {
flush_lines (0);
time_reopen (10);
log_fifo_size (1000);
[code]....
the last two rules show my program gnssapp. the result is all debug levels or crit or err levels I don't see any of them !
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May 8, 2011
I am trying to use tail -f and play a sound everytime a new line appears. I tried this: for i in tail -f myFile; do aplay alert.wav; done; Which kinda worked, the output is:
Playing WAVE 'alert.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Mono
Playing WAVE 'alert.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Mono
Playing WAVE 'alert.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Mono
But after 3 times it stops, and I would like to print the tail -f result and not the aplay result. How could I achieve that?
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Jun 6, 2011
I have installed Ubuntu 11.04 over the weekend and wanted to tail the logs whilst doing so stuff. When I browsed to the folder after getting an error trying to tail, I noticed that the messages file does not exist.
Usually use tail -f /var/log/messages
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Jun 20, 2010
I was recently looking into using tail -f to monitor some text files like so: tail -f /var/sometext However, when I did some testing, it doesn't seem to work. What I did was I created a new file and ran: tail -f /home/name/text Then, I opened the log in vim and did some editing, saved it, and it seems that tail is not "seeing" the change.
The weird thing is, running echo "hello" >> /home/name/text seems to work fine (tail sees the change). I read somewhere this has something to do with file descriptors and new inodes being created when saving a file.
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Jul 28, 2011
I need to tail -f a log file that is rotated.
This is the exact same issue as the one here, but on OS X:
Why does less tail mode stop working?
So how can I constantly track a file whose inode might change under OS X?
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Jan 18, 2010
tail -f <filename> is not working as planned on my Ubuntu 9.10, it doesn't show the appended data.tail -F works, but it does not append the new line, it reopens the file with the message: "tail: <filename> has been replaced; following end of new file"
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Mar 23, 2011
Is there a way to tail a log file and send each line as a syslog event to a remote server?
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Jan 1, 2010
am facing a problem with tailing a log file. Logs of application located in one folder:applog_20100101_0200.log <--log until 2 am january 1applog_20100101_0456.log <--log until 4:56 amapplog.log <-- current logApplication can change log when ever it wants to. I need to monitor this log, what i do:tail -f applog.logBut when app changes log my tail just stops. How can i tail applog.log all the time with out stops?
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Sep 29, 2010
I need to printout auth.log each line by log event, I think it should be running using the following command:
~# tail -f /var/log/auth.log | lpr
but it's not, why?
the lpr package already is installed in myserver, there is no problem to print directly.
~# cat /var/log/auth.log | lpr
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Oct 26, 2010
I am running a script with nohup and this generates a lot of logs.
In order to view the log I use tail -f nohup.out
The problem is that the info supplied by this command is not always the latest//sometimes I need to use the command again order to view the latest info added to the nohup.out file.
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Mar 28, 2011
I have had update problems for a very long time in my desktop e-machine. Maybe since 5.3. Usually something about Gwenview and other things. And, while --skip-broken got other packages updated, sorry, an incomplete update just isn't acceptable. Because of this I stopped using Centos for a long time. Yesterday, I got ambition and gave it another try. I had a lot of yum upgrade failures when upgrading 5.4 to 5.5, using --skip-broken.
I decided to fix things or delete Centos completely. But, I like the idea of free R****t. I realize this may have been posted, but I had no luck finding it via Google, So I started Googling. I soon found the --disablerepo option, and playing with repos, got most of the failures to upgrade. But, still hung up on a lot of stuff, like 11 packages or more.
Next, I learned about yum-prioroties and setting repo prorities. Yum-priorities was already installed, but I did go in and set the priorities. Since Google has a lot of information on this, I will not repeat here. You go into the repo config files and add a priority number to each repo listing. Here is a script to display repo priorities that I found online, sorry, I lost the author:
[Code]...
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Feb 7, 2010
I'm running ubuntu 9.10 with the latest networkmanager (from ppa)I thought this could be wrong credentials setting, so i've tried a huge amount of setups (user: phonenumber, password: phonenumber, avp:telenor, seems to be the general consensus for how it should be)Is there something I'm missing or is there any way I could tail the output as NetworkManager tries to connect (hopefully seeing something like "wrong password" etc.)
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Feb 1, 2010
I want to tail the latest log file in one command line. I dont know what command/option to use for the same.
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Dec 21, 2010
How to print a sequence of line say line number 10 to 20 of a 50 line file ?
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Oct 6, 2010
Following script name is 123.sh and I need to put this in the background if I do 123.sh -bg this will not bring me back to the prompt but echoes what ever I put (using echo hello >> /tmp/123) in to the /temp/123 file. the only way that I have found doing this is to do "nohup 123.sh &" to put this in to the background. Is this okay or is there any better way of doing this?
#!/bin/bash
# file name is 123.sh
tail -f /temp/123 | while read line
[code]...
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Jun 10, 2011
i had just install apache , mysql and php 5...apache is starting from localhost but how to test php ?
i created a file named as " info.php " which contain the foll code <? php phpinfo(); ?> but i m confuse how to save it in " var/www/html/ " which is a root directory of apache and from where we can acess the info.php files by http://localhost/info.php
how to run the file info.php ?
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Jul 4, 2011
I'm trying to write a script that will either tail or watch /var/log/messages for the words
PHP Code:
signal Gone into alarm state
From this line below.
I would then like the script execute:
And have run at start up.
I'm stuck with grep-ping only one word
PHP Code:
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Sep 27, 2010
Try to understand a Makefile. It has (all: $(VAR1) $(VAR20) Makefile). What does this "Makefile" mean?
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Feb 18, 2010
Memory of my Linux database servce is all used up. I first noted that this morning and rebooted the box. 5 hours later, it saw used up again. I want to find out which process is responsible for using most of the memories. What Redhat Linux utility can list processes sorting by their memory usage, like the Windows task manager?free and vmstat - summary but not for each processtop appears to be infomative, but sum of non-zero %MEM never add upp to 100
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Mar 18, 2010
I am trying to install libnet on fedora but I cannot find any information on installation in the package. I would be happy to receive any information or instructions for installing libnet on fedora.
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May 30, 2009
More than 7 G bytes were logged to the messages file last three weeks I got this message in /var/log/messages I want to stop this messaging cause it takes to much space
Quote:
Apr 30 20:25:18 TEST-NODE kernel: IPT: IN_NOMATCH IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:17:a4:a7:3d:a2:08:00 SRC=172.26.16.27 DST=172.26.16.255 LEN=104 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=10100 DPT=10100 LEN=84
[code]...
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Apr 8, 2010
I'm using ubuntu 10.04 beta 1. when I try to update & upgrade I get the following error:
Code:
Setting up install-info (4.13a.dfsg.1-5ubuntu1) .../etc/environment: line 4: LC-ALL=en_US.UTF-8: command not found dpkg: error processing install-info (--configure): subprocess installed post-installation script returned error exit status 127 Errors were encountered while processing: install-info
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Jun 19, 2009
After the latest yum updating, yum hides detailed info about what it will do when it work. Previous version of yum will list the packages to be updated, installed, or deleted, and then ask you if it is what you want; this updated yum show nothing but "Are you sure?"( or something equivalent ): you don't know what it will do at all! Seems you have type "y" and see what it will download and install or uninstall. I don't know if new yum has changed its notice method or if I need add some plug-ins for it to show me those info as it did.
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Jul 29, 2009
When I get on the internet with Mozilla I am getting advertising that mentions the city I live in. How is that information being sent from my computer and how can I stop it? Is this in a file I can edit or delete?
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Sep 2, 2009
When I update my system by KpackageKit I have the ability to read what was fixed by that package update by clicking on package's name. How to read this info in command line by yum?
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