General :: Logrotate - Purpose Of Rotate And Postrotate?

Jul 10, 2010

I have been trying out in learning with logrotate command and logrotate configuration file )logrotate.conf custom logfile for an process is 'test.log'


#cat /etc/logrotate.d/test
/var/log/test.log {
rotate 4


whenever the log file (test.log) exceeds 100M a new file will be created with the file name as test.'date'.'gz'(new file is created with a current date and in a compressed format of gz) and also with permission mentioned above). I really dont know what is the role of rotate( will this be carried on only for next 4times i mean upto 400MB; (4times*file reaches 100MB)? and also what could be the purpose of postrotate?

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Server :: Logrotate Rotating Daily When Should Rotate Weekly?

Mar 18, 2010

I have an Ubuntu server, and I have a special script on logrotate.d to rotate the samba_audit logs:

/var/log/auditsamba/auditoria.log {
rotate 12


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Software :: Logrotate.conf Settings Global / Apply To What Is In Logrotate.d/

Jan 18, 2011

Is the logrotate.conf settings global/apply to what is in logrotate.d/? I have olddir /var/log/old_logs in logrotate.conf but logrotate is not placing old rsyslogs in /var/log/old_logs for logrotate.d/rsyslog

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Fedora :: Rotate The Pen When Rotate The Screen?

Sep 7, 2009

how can I rotate the pen when I rotate the screen, and I would like to share this knowledge to other people who may have the same problem I had.

I have a tablet fujitsu-siemens t5010 with installed the wacum packages by default, and the pen was working, but couldn't rotate with xsetwacom command.

In Fedora 10, most guides refer to the wacom device as "stylus" which doesn't work on Fedora 11. I run command " $ xinput list " and I found the line

"PnP Device (FUJ02e5) eraser"id=3[XExtensionKeyboard]

and some lines before there is:

"PnP Device (FUJ02e5)"id=2[XExtensionKeyboard]
^^^^^^ this is the name of the device xsetwacom command needs! ^^^^^^^

I wrote first the line with the eraser cause I suppose that even someone has different wacom model, the eraser will be easy to find by grep command ( $ xinput list | grep -i eraser ), and common in most configures.

now , the edited script I use becomes like this:

if [ $1 == 'normal' ]
xrandr -o normal
xsetwacom set "PnP Device (FUJ02e5)" rotate 0


It would be awesome if it chat could happened automatically , simply by rotating the screen, like it happens on Vista. I'll try to find out any solution and update this post if I make it !

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General :: Logrotate Httpd Log Files ?

Jan 11, 2010

I need to logrotate logs in directories in /var/log/httpd/.

There are 4 directories in /var/log/httpd/... these directories are /var/log/httpd/access/ /var/log/httpd/debug/ /var/log/httpd/error/ /var/log/httpd/required/

Each of the access, required, error and debug directories have around 20 to 30 access log files of different locations for example:mumbai-access.log, pune-access.log etc..same is the case for 'error' dir 'required' dir and 'debug' dir in /var/log/httpd/

I need to clean up the logfiles in all the 4 directories access, error, debug and required...

I have made a custom logrotate file as follows:

Is the above config correct?

Am I missing something? Will this logrotate the files in /var/log/httpd/access, /var/log/httpd/error, /var/log/httpd/required and /var/log/httpd/error ?

Do i need to include following line in postrotate " /bin/kill -HUP `cat /var/run/ 2>/dev/null` 2> /dev/null || true" ?

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General :: Logrotate Not Rotating Files With Date Extension?

Oct 25, 2010

I am trying to configure logrotate on APP/DB servers.As per my backup policy,logs will compress in daily basis and and will be moved to a Central storage device.

My tomcat generate several application logs with date extension as well as .log extension.For eg app.log,app.log.2010-10-23-14,catalina.out,catalina.2010-10-25.log etc.

Currently my tomcat logrotation /etc/logrote.d/
#cat /etc/logroate.d/tomcat/
/usr/local/tomcat/logs/*log {


But its rotating logs only with .log app.log.2010-10-23-14 (with date extension) is not rotating.If i put "*" instead of "*log",its rotating all files including rotated files. How can i rotate files which is having date extension.Also i dont want to keep rotated logs for more than 3 days.

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General :: How To Rotate Auth.log

Mar 2, 2010

I have a problem with the logrotate of auth.log, it is not working. I tried using 'kill -HUP `cat /var/run/`'. This restarts sshd but does not create a new auth.log. Also tried "/etc/etc/init.d/ssh restart" and "/etc/init.d/ssh reload"

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General :: What Is Purpose Of Makefile In Nis Server

Aug 17, 2010

can anybody tell the use of make file in Nis server.

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General :: What Is Purpose Of Bash Scripting?

May 15, 2010

What is the purpose of bash scripting? Is it just for file manipulation?

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General :: What's The Purpose Of A Boot Partition?

Jan 17, 2010

I've always been confused about this issue of boot partitions. In the past when I install linux I usually have 2-3 partitions.

1. Main OS partition mounted on /
2. Storage partition mounted on /home
3. Swap partition

Why and when would I need to have a boot partition? Even if I dual boot two OSs, I just make one more partition for that other OS. So what's the purpose of a boot partition?

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General :: Purpose Of Shebang In Scripts?

Oct 15, 2009

Can you explain me what is purpose of shebang in scripts? I have noticed that my scripts will run without shebang. i.e. When i save my crontab file it says that scripts will be executed in i.e. /bin/sh shell. So, what is the point if I put #!/bin/ksh at the start of script?

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General :: Purpose Of /etc/crontab File?

Jun 7, 2010

I attempted to run various cron jobs as root - just general server make-tidy stuff. But if I edit the /etc/crontab file directly, these tasks don't get run. However, if I use crontab -e as root, these jobs appear to work. Any idea why this might be the case? Also, I understand that user cron jobs are stored in /var/spool/cron/<user> (including root). If this is the case, what's the purpose of the /etc/crontab file?

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General :: Shrink And Manually Rotate Log?

Sep 16, 2009

My AWSTATS is not updating correctly. Upon closer look I noticed that the access_log file is already >300MB. logrotate was not running. Now I have enabled log rotate. However, it's not touching this existing access_log file. Is there a way for me to manually split and rotate this file into 3 100MB files, access_log.1 access_log.2 and access_log.3? I tried running logrotate (logrotate /home/user/httpd/access_log) from console and it's throwing Segmentation fault.

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General :: How To Rotate Image On GIMP?

May 8, 2011

Could someone tell me how to rotate an image on GIMP? Now You can rotate it 90 180 etc but I would like to rotate the image to level the shot.

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Ubuntu :: What's The General Purpose Compressing Format

Jan 14, 2010

I have a folder that may contain text documents, pictures, MP3s, video clips, all sorts of stuff. Supposing that, within reason, I'm not too bothered how long it takes to compress and uncompress them. And suppose I don't care if it's free or open source (well, has to be free as in beer). What's the best compression format/algorithm (whatever it is that I install in Synaptic and choose from the drop down menu in the compression tool) I should use?

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Ubuntu :: Best General Purpose Language To Learn?

Jun 19, 2010

The last time I wrote code for anything was about 15 years ago using Turbo Pascal. I would like to get back into it, most likely to create some mobile apps or enhance web sites. What is the best general purpose language to learn? And what is a good method for learning, preferably free?

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Ubuntu :: Creating A General Purpose Switch?

Apr 19, 2011

I want to create a general switch that I can use to send a signal to my ubuntu server when it is activated/deactivated. Here's an example: I want to know when a certain door is open, so I can have a switch closed when the door is closed and opened when the door is opened. When opened or closed, the computer will receive a signal and I can have some software intercept this signal and process it to my liking (i.e. ring a bell/text message me/email me/etc).

I know I will have to create a simple driver, software to make use of this signal, etc... I am willing to do whatever it takes to make it happen. I'm just wondering if anyone can point me in the right direction as far as which interface I should use to communicate with my server (i.e. usb, serial), which references I should read, and any personal experience you have with something like this...

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General :: Purpose Of Libc In An Operating System?

Jun 24, 2010

What is the purpose of libc in an operating system?

Is the libc is common for all OS or it is different for different OS!?

I mean source of libc build for RH is same for Ubuntu !?

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General :: What's Difference And Purpose For Console And Terminal

Sep 21, 2010

I'm confuse about different beetwen console and terminal in linux system? And what purpose them for?

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General :: MySQL Slow Query Log Rotate ?

Jan 17, 2011

I am on a CentOS 64 bit and used webmin to rotate MySQL slow query log. Now the thing is although logs are being rotated daily but the new log files being created are empty which means MySQL is unable to write them due to some reason. I have checked using "ls -l" that both permission and owner of files is same but still MySQL is not writing logs. What could be the reason?

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General :: Rotate Logfiles Multiple Times A Day

Mar 13, 2011

how can I rotate logfiles multiple times a day? I notice that the configuration for the logrotate-command is hourly, daily, weekly,.I notice that I can create a cron job where I specify the different times the log rotation need to be done:15 0,8,12,17 * * *But how do I combine these two ?

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General :: What Are Advantage Of Getting Into Single User Mode Or Its Purpose?

May 10, 2009

What good does getting into single user mode do?And what's the basic purpose of it , i.e is it maintaining purpose???

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General :: Editing Windows 7 Bootloader For Sharing Purpose

Oct 26, 2010

"Life has been made easier with all Microsoft systems, all versions of Dos and Windows, because each of them has to be installed in an active primary partition and so hence will always has a boot loader in the root partition." So if I already have Windows 7 installed (in a 100gig partition of a 1t hdd) how do I modify the windows booting process so that I can go on to create many additional partitions that will be used for linux distros?

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General :: What Is The Purpose Of Using Hard Links Instead Of Being A Shortcut To Some File

Mar 23, 2011

what is the purpose of using hard links instead of being a shortcut to some file ?

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General :: Cannot Configure Second Monitor To Rotate 90' In KDE With Karmic Koala?

Aug 30, 2010

I could not keep this question from turning into a wall of text so I broke it up into these 4 sections.I have 2 monitors (DELL E228WFP and a DELL 2007FP) hooked up to a EVGA E-GEFORCE 8800GT 600MHZ 512MB 1.8GHZ DDR3 PCI-E Dual DVI-I video card. I would like to have the DELL 2007FP set up to the left of the DELL E228WFP and rotated into "portrait" mode^ with both screens sharing a common bottom edge.

This is ideal for reading PDF documentation or papers on one screen and then working on the second one.Steps Undertaken I installed the NVidia drivers (via sudo apt-get install nvidia-current) rebooted ran nvidia-xconfig then ran nvidia-settings. However, like many people, I could not get nvidia-settings to write to my config file despite having run it with kdesudo. Instead, I opened the file with Kate (using KDESudo) and then used the preview from nvidia-settings and just copy pasted it into the file and saved it like that. if I use TwinView I have both monitors working, but when I try to use krandrtray to rotate one of them, it is shown as one large monitor so I cannot rotate just the one I want rotated.However, if I set them up as separate X windows the second one is black and krandrtray only shows the main monitor. I am at a loss of what to try next.

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General :: Catalina.Out File Has Binary Data After Rotate

Feb 14, 2011

I manually rotated my catalina.out file, and now the file jumps to 30+Mb and when I try to view it, less tells me it might be a binary file. It sure appears to have binary data in it, about 30meg of it.

I did the rotate via a copy:
copy catalina.out to another file
cat /dev/null > catalina.out

I have tried using echo:
echo "" > catalina.out
...also with the same result.

This application isn't something I can just bounce when necessary. It kind of appears that the original file is still there - sort of. But is it not readable text anymore.

SunOS 5.10
tomcat 5.5.26 (version required by app vendor)

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Software :: Logrotate Download Site

Jul 10, 2009

I am looking for a good site to download logrotate for RHEL.

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Software :: Logrotate Duplicate Log Entry

Jan 1, 2011

having a problem with logrotate. it's complaing about a duplicate log entry but there isn't a duplicate log entry that i can see.

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CentOS 5 :: Segmentation Faults With Yum, Logrotate, And Others?

Dec 4, 2010

Recently I noticed that on my Centos 5.4 system, yum no longer works and is giving segmentation faults. I can run "yum --help" and it works, but if I try to run something like "yum upgrade php" it will fault. I also noticed that other things are seg faulting as well, like /usr/sbin/logrotate and /usr/bin/certwatch.

I am guessing there is some sort of common library that needs fixing, but I have no idea what. I've read other posts about the yum segmentation fault and have tried various steps provided but so far no luck in getting it to work again. It used to work, and I rarely change this system so I'm not sure what could have caused it.

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CentOS 5 :: Logrotate And Size Of Log Files

May 18, 2011

I have CentOS 5. From sometime logrotate is not working and maillog for example is very big. It is the same for all logfiles. I run "logrotate -d -f /etc/logrotate.conf" but nothing happened. Cron seams to work as I see it with ps -ef |grep cron

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