Error for start hadoop namenode

2010-12-31 Thread SingoWong
Hi, When i start hadoop namenode, got ont error message below: 2011-01-01 11:58:20,763 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.NullPointerException at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetTimes(FSDirectory.java:1320) at org.apac

Re: ssh passwordless login "without" public key authentication

2010-12-31 Thread Wayne Van Den Handel
TZzzZAz On Dec 31, 2010 7:26 PM, wrote: > Or do it at command level: > > ssh -o StrictHostKeyChecking=no > > This will add to your known_hosts file. > > - Victor > > On Dec 31, 2010, at 5:33 PM, ext Eric Sammer wrote: > >> What you're referring to is host key auth and there's no way

Re: ssh passwordless login "without" public key authentication

2010-12-31 Thread victor.hong
Or do it at command level: ssh -o StrictHostKeyChecking=no This will add to your known_hosts file. - Victor On Dec 31, 2010, at 5:33 PM, ext Eric Sammer wrote: > What you're referring to is host key auth and there's no way to stop ssh > from using it. It's intrinsic to the way it works. What

RE: ssh passwordless login "without" public key authentication

2010-12-31 Thread Hiller, Dean (Contractor)
Sweet, thanks! Dean -Original Message- From: Lalit Kapoor [mailto:lalitkap...@gmail.com] Sent: Friday, December 31, 2010 3:33 PM To: user@hbase.apache.org Subject: Re: ssh passwordless login "without" public key authentication If im not mistaken you can set stricthostkeychecking to no to

Re: ssh passwordless login "without" public key authentication

2010-12-31 Thread Eric Sammer
What you're referring to is host key auth and there's no way to stop ssh from using it. It's intrinsic to the way it works. What you can do is disable strict host key checking such that ssh won't ask and will blindly trust any host it connects to. This is a BAD IDEA, but can be done by setting Stri

Re: ssh passwordless login "without" public key authentication

2010-12-31 Thread Lalit Kapoor
If im not mistaken you can set stricthostkeychecking to no to avoid that prompt. -- Lalit Kapoor Via Phone On Dec 31, 2010, at 4:26 PM, "Hiller, Dean (Contractor)" wrote: > Every time we add a blade, getting passwordless login setup seems to be > a pain as the master has to be modified to "k

ssh passwordless login "without" public key authentication

2010-12-31 Thread Hiller, Dean (Contractor)
Every time we add a blade, getting passwordless login setup seems to be a pain as the master has to be modified to "know" about the node so we don't get prompted with do you know this key DF:ER:5R:etc. etc. and typically this is done quickly by doing ssh @ and just answering yes (assuming the .ssh

Schema Design: Query by time; more on rows versus columns

2010-12-31 Thread Michael Russo
Hi all, I have a schema design question that I would like to run by the group. Table "A" has a composite row key containing a user identifier and an item identifier. I need to query this table by time, to determine the latest X new or updated rows (on a per-user basis). (This is a "live" query