General :: Create A Cron File That Will Regularly Perform?
Jul 30, 2011
Will this:
* * 1 1-12 * #dump -0uf /dev/st0/
* * * * 0 #dump -2uf /dev/st0/
* * 2-31 * 1-6 #dump -5uf /dev/st0/
answer this question?How to create a cron file that will regularly perform the following backups:a. Performs a level 0 backup once per monthb.Performs a level 2 dump one day per weekc.Performs a level 5 dump every day that neither a level 0 nor a level 2 dump is performed. If not, I'm I close? This is homework, so I don't want a direct answer
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Mar 3, 2011
How do you create a cron file that will regularly perform a level 0 backup once per month?
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Feb 21, 2011
How to create a cron file that will regularly perform the following backups:
a. Performs a level 0 backup once per month
b. Performs a level 2 dump one day per week
c. Performs a level 5 dump every day that neither a level 0 nor a level 2 dump is performed.
In the worst case, how many restores would you have to perform to recover a file that was dumped using this schedule.
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Dec 14, 2010
I have a samba file server that has Windows XP machines connecting to it. Fairly regularly, I get messages such as the following. Are these anything to worry about? What do they mean? Nobody ever has problems with disconnecting or losing their mapped drive or their desktop shortcut not working.
Code:
Nov 15 15:37:21 servername smbd[27516]: [2010/11/15 15:37:21, 0] lib/util_sock.c:read_socket_data(384)
Nov 15 15:37:21 servername smbd[27516]: read_socket_data: recv failure for 4. Error = No route to host
[code]....
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Oct 12, 2009
how to create cron file and how to run them?
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Feb 21, 2011
I have a folder named "logs" which contains log files. I would like to have a bash script or a cron job or something like this which will check the folder continuousy and perform some tasks (for example echo "New file is created") every time a new file with pattern like "Screen.log.***" is created in the folder "logs"
Is it possible in Linux?
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Jun 15, 2010
This is Kishore and i am new to Ubuntu and SVN and please some one help me in creating a cron job for my svn backup every day at 10:30 pm I already created a cron job which looks like 30 10 * * * svnadmin dump /home/administrator/svnrepository >svn1 when i run command directly i am getting whole backup and it's size is 3.6 gb but when i run through cron job the backup size is only 9 mb. So finally my requests are 1. cron job for taking complete svn backup at 10:30 pm daily and 2. cron job to copy the SVN backup in to my windows system in d drive and this must be run every day at 11:30 pm.
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Oct 7, 2010
How to create cron tab when DSL line down set automatically restart the network service while DSL line up?
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Aug 17, 2011
create a Cron file and script. I've tried reading through my Linux book but I am just lost here. I need to create a Cron file that will perform a Level 0 backup once per month, a Level 2 dump one day per week, and a Level 5 dump every day that neither a level 0 nor a level 2 dump is performed.
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Jul 25, 2009
I am a windows user and am trying to display a jpg image file on linux every x hours.In Windows, if I were to perform the same task, I would just give out the path to schtasks.exe and it would open the image in the default viewer,is the case same with linux as well? Do I just execute:
crontab now + 1 hour abc.jpg ? The linux is OpenSuse or Debian I guess.
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Mar 23, 2009
what is the use of placing any file in /etc/cron.d folder , is there any use of it ? will crond daemon run the files automatically which are placed in /etc/cron.d daemon ?
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Mar 19, 2011
I am trying to have the files from /user/directory copy every hour to /backup/user/directory. It would seem that cron or crontab is what I need to use. Looking at previous posts and other documentation only shows how much I don't know. When I type crontab -e I get a blank file I can type into, seemingly using vi as the editor. I have no problem with that but when I type cron -l, I get my text after a message about "Do Not Edit this File". What I am reading just makes no sense, I am not understanding even the most fundamental aspects of cron or crontab. Where I can get the most basic of basic instructions to try to understand this function?
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Apr 14, 2010
My cron job is executing the below mysqldump command but it produces an empty sql file. However, when I run from the command line, it works as expected.
Code:
15 6 * * * root mysqldump -uroot -pXXXXXXX mydbname | gzip > /home/dbbackup/db_`/bin/date +\%Y\%m\%d\%H\%M`.sql.gz
I'm on CentOS 5.4 and use "env EDITOR=nano crontab -e" edit my cron (then paste the above command.
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Jun 28, 2010
I would like to create a cronjob that will delete all files within a directory 1 hours after it is created to the folderI found this cron find /path/to/file/* -ctime +1 -exec rm {} ; but it's deleted all files.I want to make an exception, all file should be deleted except one file (letsay file a.zip)
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Jan 21, 2010
I have a couple of Lenny LAMP servers, and a backup server. (virtual testing environment)
1. What is the best way to perform a backup? (system state as well as individual files) Although system state can also be accomplished through the hypervisor.
2. Between Windows computers, I access shared directories simply by \hostnamesharedmap or \host_IPsharedmap. Between Windows and linux i use SAMBA. But there must be a simple way to copy 2 files between linux hosts?
3. I've searched a lot, and only found people with the same question without a good answer: is there a linux equivalent for robocopy?
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Aug 17, 2010
Can we use CRON to create new user accounts?
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Nov 11, 2010
I was thinking of creating a little audio alarm clock with an mp3 and mpg123 to play a song from a cron job each day. How do you specify the time of day to execute a cron job?
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Oct 23, 2010
I would like to create an unattended install ubuntu 10.10 cd. I have followed the ubuntu [URL].. on creating the preseed file, however, I can't find any useful tutorial on how to set the kernel parameters to perform an unattended install using my preseed file.
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Jun 13, 2011
I was just testing specifying limit on file size to a user and have added the following to /etc/security/limits.conf bob soft fsize 100 This basically should have said not to allow bob to create anyfile greater than 100Kb in size.
But the interesting thing is, if bob already has any file which is greater than 100Kb in size, it even doesn't allow to log him into the system both from console and SSH. Also nothing is logged in logs.. How do I configure it so that, bob can login to the system even though he has any file greater than 100Kb (but doesn't allow him to create file which are greater than 100Kb) ??
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Jul 26, 2010
I am testing my ftp server configuration.Anonymous download works , however anonymous upload does not.I am getting the following error message from both Windows and Linux 5.4clients : 553 cannot create the file.And i am running Fedore 12.
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Sep 8, 2010
Everything in Linux is a file, right? And everything can be represented by a file? Is there some way I could create a block device file that represents (i.e., provides an interface to) this image file? If so, then I could use fdisk on the device file to split it into partitions, format the partitions, and then mount them as directories. I could create a file system within a file system, which would be fun.
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Jul 22, 2010
I've been trying to use a find command with -exec to find the differences between identically-named files in different paths. My initial attempt was to do something like this:
Code: find trunk/ -type f -not -path '*.svn*' -exec diff '{}' `echo '{}' | sed 's/^trunk///'` ;
Unfortunately this does not work at all as expected (the diff ends up executing on the same file)! I have narrowed it down to the subshell (inside the ``) but beyond that I have no idea. For some reason the sed, though written correctly, does not perform the substitution. I've changed the diff to echo and played with the sed command and the only way I can get it to perform _any_ substitution is to use .* as the regex. Even s/.*trunk.*/SUB/ doesn't work. Any insight into the inner workings of -exec/subshells/pipes or some crap I'm missing? Don't worry about rewriting the command to make it work; I simply swapped the paths and got rid of the subshell nonsense and everything works fine.
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Mar 3, 2011
is there an easy way for me to get the hardware specs of a linux machine, such as number and type of processors, RAM, BIOS version, # of power supplies, etc from a command line?
I'm dealing with Dell servers, but even if i can just get number and type of processors and RAM config, that'd be great. I know how to easily do it in Windows, no clue on Linux.
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May 10, 2011
Currently I backing up the MBR, the C and the other partitions to an external USB HDD and from there I restore them if needed. I use the SystemRescueCd and commands like dd if=/dev/sd* of=/mnt/PC_name/backupmbr.1 count=1 bs=512 and ntfsclone --save-image --output /mnt/PC_name/PC_name_c.img /dev/sd*1 etc. I want to clone the HDD the way, however, that I omit the external USB drive. I want to connect the new HDD to the PC and do the cloning directly from one disc to the other.
My questions are:
- Can you provide me with the exact command?
- Is that a difference if the disc is SATA or IDE?
- Can I copy the disc even if the old disc don't wan to boot?
The OS is Windows on the disc I want to clone.
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Apr 10, 2011
I need to perform patching on some RHEL boxes.
This the first time i am gonna do this. Kindly advise, how and what are the steps i should take to perform the OS patching.
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Mar 2, 2011
why I cant seem to create a dot file (a file that starts with a dot) in my /tmp folder even with root priviledges. I installed F-Prot for linux & when I try to do a scan it complains it "can't stat a file" it seems to want to create & quits. So I tried creating it my self but it wont create a file that starts with a dot it seems. I also tried "chmod go+rx /tmp/*"
This is the error
root@JASONS-BRAAIN:/opt/f-prot# /opt/f-prot/fpscan -l
F-PROT Antivirus version 6.3.3.5015 (built: 2009-12-23T13-43-55)
FRISK Software International (C) Copyright 1989-2009
Engine version: 4.5.1.85
Arguments: -l
[Code].....
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Feb 15, 2010
Can one perform an installation of CentOS 5 (5.4) so that the system is up-to-date at the time of the first boot (i.e. Anaconda will pull and install the 'latest' versions of the packages directly, and the user needn't run `yum update` | `yum upgrade` after the system has been installed)?
If this is doable at all, is it possible to accomplish without making use of a personally custom-crafted-and-hosted repository (i.e. can one of the official CentOS mirrors be used)?
Also, I'm not talking about creating an install DVD containing the latest versions of the packages, but rather, if the netinstall media can be used to perform this particular type of installation.
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Mar 20, 2010
I am using debian 5.04 + LXDE. In the past, I sometime encounter problems such as the distro broken after performed a full apt dist-upgrade or upgrade. Now, I am more conservative, I am using apt safe-upgrade.
I want to know are there anyway to do a better safe upgrade for debian without breaking the distro?
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Mar 10, 2011
I want to perform an e2fsck with the y switch (so I dont have to answer yes to every question) on two volumes on a server the next time I restart it. I don't want to do a shutdown -rF because 1) I dont want to check the other volumes and 2) it seems when I do that, the e2fsck doesn't keep restarting itself over and over to fix all the problems. Seems like it runs once, then if it fails it drops you to the repair console in single user mode. I'd rather just have it start the check that will keep repeating over and over right away, because I know it'll take more than one pass.
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Oct 5, 2010
There must be a way to perform privileged tasks in the Gnome desktop (or actually Nautilus, I guess)...similar to using SUDO in a terminal window.
For example I want to change the rights to a file, but Nautilus tells me I can't because I'm not the owner.
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