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) > > > > > > > > >
