Hi
Can anyone tell me if it is at all possible to edit ones .bash_profile, to make the setting on of line numbers (in vi/vim), permanent?
I've been to a few IRC channels and people keep telling me it is more of a vi/vim thing and to use something called ".vimrc", however I heard that it is... (3 Replies)
Hi Guys,
I modified my .bash_profile script , and tried to change the prompt.
Following is the line of code in my .bash_profile script.
export PS1=" \W "
But I get the output as:
\W
This appears to be my prompt now.
Any idea what should be done..
Thanks! (0 Replies)
We are more users using the oracle account, and people want to include theyr own files in .bash_profile. Like this:
while ; do
echo -n "LOGNAME is '$LOGNAME' (no sens), who are you? " >/dev/stderr
read ln
export LOGNAME=$ln
done
This works well when logging in to... (1 Reply)
Hi all. when i connect as user megaguru i have a problem my .bash_profile does not working^:(
if i do:
. ./.bash_profile
all enviroment variables are in place. How can i force linux to use .bash_profile before logon process?
thanx in advance. (1 Reply)
Hello Friends,
I was trying to give a text/welcome message to a specific user just after his login.
For that i had added a echo test message line in .bash_profile of that user.
Which is not working ....
Also i had to execute a script on his login
for that i had tried to enter the... (6 Replies)
I am using solaris 10 x86. I have created a .bash_profile under root's home directory(/). The contents of the file are:
Solaris10u8/# cat .bash_profile
export PATH=$PATH:/usr/sfw/bin
export PS1='\h\w\$ '
export PAGER="less -imsq"
alias ll='ls -l'
alias la='ls -a'
The problem is that:
... (7 Replies)
Hi,
happy new year.
on AIX 6.1 , for user oracle , there are two files :
bash_profile and .profile
I do not know which one is executed when login ? How to know ,
More over in both of them we have :
in .profile :
ORACLE_HOME=/appli/oracle/product/10.2.0/db_1... (5 Replies)
Hi,
I wanted to do the following, but the command does not seem to work. Any ideas or suggestions please help.
#1. If the particular ENV variable IMPACT_HOME is not there in a file
grep -q IMPACT_HOME infile || sed -i 'i IMPACT_HOME=/my/new/path' infile
#2. If the ENV variable... (4 Replies)
Hi,
Unexpectedly i entered wrong entries in .bash_profile for my user which has administrative permissions. So, i am getting errors for every command. I dont have backup file also, so any body can help me how to recover it.
Regards,
Mastan (7 Replies)
Hi All
Please can you tell , what is the difference between bash_profile and bashrc. How to create them? (8 Replies)
Discussion started by: fretagi
8 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)