Sudo what my friend. There are so many options to sudo Sent from my iPhone
> On 23-Apr-2015, at 8:20 am, sandeep vura <sandeepv...@gmail.com> wrote: > > Ananad, > > Try sudo it will work > >> On Wed, Apr 22, 2015 at 5:58 PM, Shahab Yunus <shahab.yu...@gmail.com> wrote: >> Can you try sudo? >> https://www.linux.com/learn/tutorials/306766:linux-101-introduction-to-sudo >> >> Regards, >> Shahab >> >>> On Wed, Apr 22, 2015 at 8:26 AM, Anand Murali <anand_vi...@yahoo.com> wrote: >>> Dear Sandeep: >>> >>> many thanks. I did find hosts, but I do not have write priveleges, >>> eventhough I am administrator. This is strange. Can you please advise. >>> >>> Thanks >>> >>> Anand Murali >>> 11/7, 'Anand Vihar', Kandasamy St, Mylapore >>> Chennai - 600 004, India >>> Ph: (044)- 28474593/ 43526162 (voicemail) >>> >>> >>> >>> On Wednesday, April 22, 2015 4:43 PM, sandeep vura <sandeepv...@gmail.com> >>> wrote: >>> >>> >>> Hi Anand, >>> >>> You should search /etc directory in root not Hadoop directory. >>> >>> On Wed, Apr 22, 2015 at 2:57 PM, Anand Murali <anand_vi...@yahoo.com> wrote: >>> Dear All: >>> >>> I dont see a etc/host. Find below. >>> >>> >>> anand_vihar@Latitude-E5540:~$ cd hadoop-2.6.0 >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ ls -al >>> total 76 >>> drwxr-xr-x 12 anand_vihar anand_vihar 4096 Apr 21 13:23 . >>> drwxrwxr-x 26 anand_vihar anand_vihar 4096 Apr 22 14:05 .. >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Nov 14 02:50 bin >>> drwxr-xr-x 3 anand_vihar anand_vihar 4096 Nov 14 02:50 etc >>> -rw-rw-r-- 1 anand_vihar anand_vihar 340 Apr 21 11:51 .hadoop >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Nov 14 02:50 include >>> drwxrwxr-x 2 anand_vihar anand_vihar 4096 Apr 22 14:04 input >>> drwxr-xr-x 3 anand_vihar anand_vihar 4096 Nov 14 02:50 lib >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Nov 14 02:50 libexec >>> -rw-r--r-- 1 anand_vihar anand_vihar 15429 Nov 14 02:50 LICENSE.txt >>> drwxrwxr-x 3 anand_vihar anand_vihar 4096 Apr 22 14:08 logs >>> -rw-r--r-- 1 anand_vihar anand_vihar 101 Nov 14 02:50 NOTICE.txt >>> drwxrwxr-x 2 anand_vihar anand_vihar 4096 Apr 21 11:48 output >>> -rw-r--r-- 1 anand_vihar anand_vihar 1366 Nov 14 02:50 README.txt >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Nov 14 02:50 sbin >>> drwxr-xr-x 4 anand_vihar anand_vihar 4096 Nov 14 02:50 share >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ cd etc >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc$ ls -al >>> total 12 >>> drwxr-xr-x 3 anand_vihar anand_vihar 4096 Nov 14 02:50 . >>> drwxr-xr-x 12 anand_vihar anand_vihar 4096 Apr 21 13:23 .. >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Apr 21 13:20 hadoop >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc$ cd hadoop >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ ls -al >>> total 176 >>> drwxr-xr-x 2 anand_vihar anand_vihar 4096 Apr 21 13:20 . >>> drwxr-xr-x 3 anand_vihar anand_vihar 4096 Nov 14 02:50 .. >>> -rw-r--r-- 1 anand_vihar anand_vihar 4436 Nov 14 02:50 >>> capacity-scheduler.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 1335 Nov 14 02:50 configuration.xsl >>> -rw-r--r-- 1 anand_vihar anand_vihar 318 Nov 14 02:50 >>> container-executor.cfg >>> -rw-r--r-- 1 anand_vihar anand_vihar 880 Apr 21 13:16 core-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 774 Nov 14 02:50 core-site.xml~ >>> -rw-r--r-- 1 anand_vihar anand_vihar 3670 Nov 14 02:50 hadoop-env.cmd >>> -rw-r--r-- 1 anand_vihar anand_vihar 4224 Nov 14 02:50 hadoop-env.sh >>> -rw-r--r-- 1 anand_vihar anand_vihar 2598 Nov 14 02:50 >>> hadoop-metrics2.properties >>> -rw-r--r-- 1 anand_vihar anand_vihar 2490 Nov 14 02:50 >>> hadoop-metrics.properties >>> -rw-r--r-- 1 anand_vihar anand_vihar 9683 Nov 14 02:50 hadoop-policy.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 863 Apr 21 13:17 hdfs-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 775 Nov 14 02:50 hdfs-site.xml~ >>> -rw-r--r-- 1 anand_vihar anand_vihar 1449 Nov 14 02:50 httpfs-env.sh >>> -rw-r--r-- 1 anand_vihar anand_vihar 1657 Nov 14 02:50 >>> httpfs-log4j.properties >>> -rw-r--r-- 1 anand_vihar anand_vihar 21 Nov 14 02:50 >>> httpfs-signature.secret >>> -rw-r--r-- 1 anand_vihar anand_vihar 620 Nov 14 02:50 httpfs-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 3523 Nov 14 02:50 kms-acls.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 1325 Nov 14 02:50 kms-env.sh >>> -rw-r--r-- 1 anand_vihar anand_vihar 1631 Nov 14 02:50 kms-log4j.properties >>> -rw-r--r-- 1 anand_vihar anand_vihar 5511 Nov 14 02:50 kms-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 11291 Nov 14 02:50 log4j.properties >>> -rw-r--r-- 1 anand_vihar anand_vihar 938 Nov 14 02:50 mapred-env.cmd >>> -rw-r--r-- 1 anand_vihar anand_vihar 1383 Nov 14 02:50 mapred-env.sh >>> -rw-r--r-- 1 anand_vihar anand_vihar 4113 Nov 14 02:50 >>> mapred-queues.xml.template >>> -rw-r--r-- 1 anand_vihar anand_vihar 858 Apr 21 13:19 mapred-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 758 Nov 14 02:50 >>> mapred-site.xml.template~ >>> -rw-r--r-- 1 anand_vihar anand_vihar 10 Nov 14 02:50 slaves >>> -rw-r--r-- 1 anand_vihar anand_vihar 2316 Nov 14 02:50 >>> ssl-client.xml.example >>> -rw-r--r-- 1 anand_vihar anand_vihar 2268 Nov 14 02:50 >>> ssl-server.xml.example >>> -rw-r--r-- 1 anand_vihar anand_vihar 2237 Nov 14 02:50 yarn-env.cmd >>> -rw-r--r-- 1 anand_vihar anand_vihar 4567 Nov 14 02:50 yarn-env.sh >>> -rw-r--r-- 1 anand_vihar anand_vihar 809 Apr 21 13:20 yarn-site.xml >>> -rw-r--r-- 1 anand_vihar anand_vihar 690 Nov 14 02:50 yarn-site.xml~ >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ cat slaves >>> localhost >>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ >>> >>> Thanks. >>> >>> Regards, >>> >>> >>> >>> Anand Murali >>> 11/7, 'Anand Vihar', Kandasamy St, Mylapore >>> Chennai - 600 004, India >>> Ph: (044)- 28474593/ 43526162 (voicemail) >>> >>> >>> >>> On Wednesday, April 22, 2015 2:41 PM, Anand Murali <anand_vi...@yahoo.com> >>> wrote: >>> >>> >>> Ok thanks will do >>> >>> Sent from my iPhone >>> >>>> On 22-Apr-2015, at 2:39 pm, sandeep vura <sandeepv...@gmail.com> wrote: >>>> >>>> hosts file will be available in /etc directory please check once. >>>> >>>> On Wed, Apr 22, 2015 at 2:36 PM, Anand Murali <anand_vi...@yahoo.com> >>>> wrote: >>>> I don't seem to have etc/host >>>> >>>> >>>> Sent from my iPhone >>>> >>>>> On 22-Apr-2015, at 2:30 pm, sandeep vura <sandeepv...@gmail.com> wrote: >>>>> >>>>> Hi Anand, >>>>> >>>>> comment the ip address - 127.0.1.1 in /etc/hosts >>>>> add the following ip address - 127.0.0.1 localhost in /etc/hosts. >>>>> >>>>> Restart your hadoop cluster after made changes in /etc/hosts >>>>> >>>>> Regards, >>>>> Sandeep.v >>>>> >>>>> On Wed, Apr 22, 2015 at 2:16 PM, Anand Murali <anand_vi...@yahoo.com> >>>>> wrote: >>>>> Dear All: >>>>> >>>>> Has anyone encountered this error and if so how have you fixed it other >>>>> then re-installing Hadoop or re-starting start-dfs.sh when you have >>>>> already started after boot. Find below >>>>> >>>>> anand_vihar@Latitude-E5540:~$ ssh localhost >>>>> Welcome to Ubuntu 14.10 (GNU/Linux 3.16.0-34-generic x86_64) >>>>> >>>>> * Documentation: https://help.ubuntu.com/ >>>>> >>>>> 1 package can be updated. >>>>> 1 update is a security update. >>>>> >>>>> Last login: Wed Apr 22 13:33:26 2015 from localhost >>>>> anand_vihar@Latitude-E5540:~$ cd hadoop-2.6.0 >>>>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ . .hadoop >>>>> /home/anand_vihar/hadoop-2.6.0 >>>>> /home/anand_vihar/jdk1.7.0_75 >>>>> /home/anand_vihar/hadoop-2.6.0 >>>>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ hadoop version >>>>> Hadoop 2.6.0 >>>>> Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r >>>>> e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1 >>>>> Compiled by jenkins on 2014-11-13T21:10Z >>>>> Compiled with protoc 2.5.0 >>>>> From source with checksum 18e43357c8f927c0695f1e9522859d6a >>>>> This command was run using >>>>> /home/anand_vihar/hadoop-2.6.0/share/hadoop/common/hadoop-common-2.6.0.jar >>>>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ start-dfs.sh >>>>> Starting namenodes on [localhost] >>>>> localhost: starting namenode, logging to >>>>> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-namenode-Latitude-E5540.out >>>>> localhost: starting datanode, logging to >>>>> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-datanode-Latitude-E5540.out >>>>> Starting secondary namenodes [0.0.0.0] >>>>> 0.0.0.0: starting secondarynamenode, logging to >>>>> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-secondarynamenode-Latitude-E5540.out >>>>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ hdfs dfs -ls >>>>> ls: Call From Latitude-E5540/127.0.1.1 to localhost:9000 failed on >>>>> connection exception: java.net.ConnectException: Connection refused; For >>>>> more details see: http://wiki.apache.org/hadoop/ConnectionRefused >>>>> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ >>>>> >>>>> >>>>> >>>>> I have checked http://wiki.apache.org/hadoop/ConnectionRefused but there >>>>> is no fix to the problem rather it seems to be a Ubuntu network problem. >>>>> I have many times killed nanenode/datanode/secondary data note, shutdown >>>>> and restarted, but this error still appears. The only way seems to be >>>>> re-installing hadoop. Please advise or refer. >>>>> >>>>> Many thanks, >>>>> >>>>> Regards, >>>>> >>>>> >>>>> >>>>> Anand Murali >>>>> 11/7, 'Anand Vihar', Kandasamy St, Mylapore >>>>> Chennai - 600 004, India >>>>> Ph: (044)- 28474593/ 43526162 (voicemail) >
