I know this should be simple but the periods in the string replacement are throwing me off.
What I want to do is replace 1.1.1.1 in my access.log file with 2.2.2.2
I have tried using 'tr' but its being thrown off by the periods and replacing all sorts of stuff in the file.
What do I need... (2 Replies)
Hello All,
I just need to extract the date portion from a apache log file
I am able to do it using the chain of command -
Logfile contents - First record -
==========================
197.130.211.240 - - "GET /jp/index.shtml HTTP/1.1" 200 24255... (4 Replies)
Hi i new to scripting and am trying to create a script to pull my current of logs from /var/logs/secure and name it securelog-Month-Day-Hour.txt
example:
grep 'Mar 5 11' /var/logs/secure > /home/(user)/Documents/Logs/mylog-02-1-11
How do i set the targeted strings to be the current... (2 Replies)
Hi all ,
I have a string in my weblog xheader v6-day-2011:xx:yy:zz:qq:qq:ww:ee:rr
My requirement is to lookup the sting v6-day-2011 in this header and if found would like to extract the V6 ip part .
v6-day-2011 is always constant for a ipv6 entry so i would like to extract every thing... (4 Replies)
Hi Folks,
In my program, I have a variable which consists of multiple lines. i need to use each line as an input. My intention is to extract the email address of the user in each line and use it to process further.
The email address could be anywhere in the whole line. But there will be only... (5 Replies)
Hi All,
Would anyone know how to modify the below, so only the IPv6 address (red) is printed, please?
(in other words, what's between inet6 and the / sign)
ipv6=`/sbin/ifconfig lo0:5 inet6 | grep 'inet6'`
print $ipv6
Currently the output of the above script is:
inet6... (7 Replies)
Hi,
I have a log file (log.txt) that which contains lines of date/time.
I need to create a script to extract a CSV file (out.csv) that gets all the sequential times (with only 1 minute difference) together by stating the start time and end time of this period.
Sample log file (log.txt)
... (7 Replies)
Hi
I have an inherited perl script that extracts the first three octets of an IP Address using a combination of split() against a dot and then builds it all back together again, its a whole block of code to do this
I wondered if anyone had a one liner in their arsenal to extract the first... (7 Replies)
Hi All,
I have a requirement to get the address values from a large log file along with the user details.
line1,line2,city,stateCode,postalCode,countryCode. The below code as advised in the earlier post is giving the user data
zgrep -B1 "Failed to calculate Tax" log.2018-05-23.gz | grep... (8 Replies)
Hi, I would like to seek your help for a script that will extract data from log file and put it in a file.
Sample log file
2018-10-23 12:33:21 AI ERROR -- tpid: SAMPLE_TH account: 123456789 aiSessionNumber: 660640464 mapName: xxx to yyy
errorDesc: Translation Error:ErrorNumber : 993 ... (2 Replies)
Discussion started by: neverwinter112
2 Replies
LEARN ABOUT DEBIAN
bup-margin
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)