12-13-2011
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I have the primary set up, but cannot get the secondary box to answer a query. Here is the message I get:
> nslookup dfwnet1 10.26.38.41
*** Can't find server name for address 10.26.38.41: Non-existent host/domain
*** Default servers are not available
10.26.38.41 is the IP of the secondary... (3 Replies)
Discussion started by: 98_1LE
3 Replies
2. IP Networking
:cool:
I want to use 2 tcp applications in SCO 5.05 senerio I am using
VisionFS 3.1 and I need to set it up as a secondary tcp app. I follow the profeditoir and change the tcp port from the primary port (139) to any other number below port 1024 and then restart the VisionFS server it is still... (2 Replies)
Discussion started by: lanman
2 Replies
3. Solaris
I just added a new disk i suppose the disk is not supported by sun solaris pls can someone advice on what i can do.
pls see below:
# format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c1d0 <DEFAULT cyl 15934 alt 2 hd 255 sec 126>
... (6 Replies)
Discussion started by: seyiisq
6 Replies
4. UNIX for Advanced & Expert Users
This is one our office BOX
Sun Microsystems Inc. SunOS 5.10 Generic January 2005
Kisses% rlogin pebblz01 -l adminID
Password:
Last login: Sat Feb 14 01:11:36 from Kisses
Please enter your own login id and password.
Your login: I_rule
Your password:xxxxx
From the above... (3 Replies)
Discussion started by: dashok.83
3 Replies
5. IP Networking
hosta(eth0)----|switch|---(eth0)hostb
say hosta and hostb both connect to a swtich using eth0 with public IP addresses, and I add secondary and private IP on hosta and hostb's same eth0 interfaces.
So in order for them to reach each other, do I need to config the switch? (3 Replies)
Discussion started by: fedora
3 Replies
6. UNIX for Dummies Questions & Answers
how would i sort a file on the fourth field as the primary sort and the third field as a secondary sort? (1 Reply)
Discussion started by: trob
1 Replies
7. UNIX for Dummies Questions & Answers
hi guys
I am doing some testing for DNS
I got a master DNS(192.168.2.10) and I setup a slave DNS(192.168.2.11) but when I shutdown the Master DNS my linux client cannot resolve using the slave
any idea way?
This is the named.conf
options
{
query-source port 53;
directory... (9 Replies)
Discussion started by: kopper
9 Replies
8. Red Hat
Hi,
I would like to know how to find our secondary group of user only.
I have used the command id -Gn user1
it is showing both groups of user.
Primary and secondary group. (2 Replies)
Discussion started by: manoj.solaris
2 Replies
9. Solaris
hi there,
i using salaris 10 as my DNS server.
i have 2 dns server primary and secondary. if primary dns server i edit/update, the other secondary dns server must be sync too.
How can i configure if dns server (primary) can sync the secondary? (1 Reply)
Discussion started by: tappetmus
1 Replies
10. Shell Programming and Scripting
Hi All,
My Servers are enabled with a secondary authentication of login. Whenever we are logging in to the servers with a common id it is asking like something " Enet your personal id and password" which has been created by UNIX admins previously.
Just curious how to achieve this... (1 Reply)
Discussion started by: Showdown
1 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)