Sponsored Content
Full Discussion: Crontab: overlaps
Operating Systems Linux Red Hat Crontab: overlaps Post 302726945 by ionral on Monday 5th of November 2012 11:41:21 AM
Old 11-05-2012
Quote:
Originally Posted by Scott
But it's not only the first day of the month and only Sunday. It's the first day of the month or Sunday.



You will need to add some logic either to your script, or the crontab entry, to get the behaviour you are expecting.
for me, the important things is avoid the overlaps...
how can i do?
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

crontab

Hi All, Can any one please help in setting up crontab where the crontab entries are in a file say "crontabentries" How to delete the crontab entries and how to register a file to crontab. thanks Satish (1 Reply)
Discussion started by: thaduka
1 Replies

2. AIX

crontab

Hi, am able to run manual backup on a client by going to /usr/tivoli/tsm/client/ba/bin and running dsmc incr command. am running incremental backup. my question was 1) suppose i want to run automated backup , should i put it in crontab and how to do that? should i open crontab using crontab -e... (4 Replies)
Discussion started by: karthikosu
4 Replies

3. Solaris

help with Crontab

Hello, I have a Sun server and I want to edit the Crontab file. When I type "crontab -l" it lists the jobs scheduled. When I type "crontab -e" I get "767" And nothing comes up nor does anything seem to break this. I am running with "root" user and the screen is small enough. What is this... (2 Replies)
Discussion started by: bbbngowc
2 Replies

4. Shell Programming and Scripting

Determining number of overlaps between two files using Hashes?

Hi there, I have a doubt about how to set this up. This is the situation. I have two files, one that is ~31,000 in length and has the following information (7 fields): file1 1 + 100208127 100261594 6 100208127,100231680,100237404,100245177,100249508,100260529, ... (35 Replies)
Discussion started by: labrazil
35 Replies

5. Linux

Need help with Crontab

Im setting up crontab to run a command at 0800 my current crontab entry is: 0 8 * * 1,2,3,4,5 tcpdump -s2000 -w'flowroute-%H%M.pcap' -G900 -W34 This should start the script at 800am monday through friday as i understand it. I have tested this a couple times and it does not start as... (6 Replies)
Discussion started by: Nasasdge
6 Replies

6. Shell Programming and Scripting

awk? create similarity matrix by calculating overlaps between sets comprising of individual parts

Hi everyone I am very new at awk and to me the task I need to get done is very very challenging... Nevertheless, after admiring how fast and elegant issues are being solved here I am sure this is my best chance. I have a 2D data file (input file is a plain tab-delimited text file). The first... (1 Reply)
Discussion started by: stonemonkey
1 Replies

7. Solaris

Partition overlaps another partition while creating new parition in solaris

hi all while formatting hard disk i am getting following error. Partition 1 ends at 266338338 It must be between 34 and 143374704. label error: EFI Labels do not support overlapping partitions Partition 8 overlaps partition 1. Warning: error writing EFI. Label failed. I have formatted the... (2 Replies)
Discussion started by: nikhil kasar
2 Replies

8. Shell Programming and Scripting

Crontab help

Hi I am trying to create a cron job but i get an error I have 2 files my main shell script with html which is genWebsite.sh and another called config.sh which hold variables that I pass to genWebsite.sh by using the line ./source config.sh. I want a cron job to refresh a html generated... (14 Replies)
Discussion started by: scriptnewbie
14 Replies

9. UNIX for Dummies Questions & Answers

Crontab

Can crontab be removed from an AIX system. We had a script that was running on the system. It stopped working. An outside vendor said that crontab does not exist on the system. and that is why it is not running. How can i verify this and get it back on the systems if needed? thanks (4 Replies)
Discussion started by: fierfek
4 Replies

10. Shell Programming and Scripting

Base64 conversion in awk overlaps

hi, problem: output is not consistent as expected using external command in AWK description: I'm trying to convert $2 into a base64 string for later decoding, and for this when I use awk , I'm getting overlapped results , or say it results are not 100% correct. my code is: gawk... (9 Replies)
Discussion started by: busyboy
9 Replies
bup-margin(1)						      General Commands Manual						     bup-margin(1)

NAME
bup-margin - figure out your deduplication safety margin SYNOPSIS
bup margin [options...] DESCRIPTION
bup margin iterates through all objects in your bup repository, calculating the largest number of prefix bits shared between any two entries. This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids. For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45. That means a 46-bit hash would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by its first 46 bits. The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects. Since SHA-1 hashes have 160 bits, that leaves 115 bits of margin. Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits with far fewer objects. If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see if you're getting dangerously close to 160 bits. OPTIONS
--predict Guess the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer from the guess. This is potentially useful for tuning an interpolation search algorithm. --ignore-midx don't use .midx files, use only .idx files. This is only really useful when used with --predict. EXAMPLE
$ bup margin Reading indexes: 100.00% (1612581/1612581), done. 40 40 matching prefix bits 1.94 bits per doubling 120 bits (61.86 doublings) remaining 4.19338e+18 times larger is possible Everyone on earth could have 625878182 data sets like yours, all in one repository, and we would expect 1 object collision. $ bup margin --predict PackIdxList: using 1 index. Reading indexes: 100.00% (1612581/1612581), done. 915 of 1612581 (0.057%) SEE ALSO
bup-midx(1), bup-save(1) BUP
Part of the bup(1) suite. AUTHORS
Avery Pennarun <apenwarr@gmail.com>. Bup unknown- bup-margin(1)
All times are GMT -4. The time now is 05:54 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy