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  • Solr on Tomcat (Ubuntu OS) installation help

    - by Camran
    I have to install Solr on my Ubuntu Server. However, Solr wont work without Tomcat or another container, and also Java. I have successfully installed tomcat6 and java. BUT, in a tomcat6 guide online, it says I should configure iptables to allow connections via port 8080, which I have done. Then the guide says I can test the tomcat6 by going to: http://my_ip_adress:8080 But this makes the browser just load and wait somehow for a response, and finally display "website not available". I have NO clue how to install Solr with Tomcat. Does anybody know how? How do I know Tomcat6 works? BTW: When I do this: /etc/init.d/tomcat6 start then it says OK. If you need something let me know, I really need help with this one. Thanks UPDATE: When executing this: sudo /etc/init.d/tomcat6 status it respons is Tomcat servlet engine is running with pid 28641

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  • Syslog message '^@' indicates server crash

    - by user1456214
    The php-cgi's died on a vps I look after and the only syslog entry is this followed by me restarting the VM: ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jun 13 22:00:34 VM syslogd 1.5.0#5ubuntu4: restart. Everything before appears to be fine, and there's nothing in the php log even though php timing out was the most obvious symptom (nginx was returning 504s), any ideas how to debug this? Thanks, Jon

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  • Please provide how to setup using VMware, AD [closed]

    - by user552585
    In my organisation we have more than 100 pcs and high configured 3 IBM servers. Now the senario is 300 employees with diff programmers like .Net,java,php etc. these employees use by these systems only in diff shifts without stop their work. I want all applications required them on every system and they have perticular id, Pw to login and i have to secure the organisation data and userdata to tamper or any thing by other users. Please provide how to setup using VMware, AD with MicroSoft environment with fully secured manner. please give brief explanation. Please help me

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  • How can I redirect HTTP(S) traffic to another gateway?

    - by PsyStyle
    I have a network like 192.168.0.0/15 with the default gateway set to 192.168.0.1. All the workstations of the network use this gateway for all kind of accesses to the Internet. Now I am testing a new Internet connection with another provider and for that I'm using a second gateway on the same subnet with 192.168.0.2 as IP address. I want to redirect only HTTP and HTTPS traffic to this second gateway keeping untouched the address of the default gateway set inside every workstation. How can I accomplish this task? What I have to change inside the first's gateway firewall configuration or routes? I tried with a DNAT like: DNAT loc:192.168.0.1 loc:192.168.0.2 tcp 80 but nothing worked. I use Shorewall for simplicity in configuration but I can understand even theorical answers which I will try to adapt to my case.

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  • sa2 -A /var/log/sa/sa13: No such file or directory

    - by user53925
    I have systat version 7.0.2 and the /etc/sysconfig/sysstat has the entry HISTORY=27, this is on a redhat enterprise server 5.6, the cron setup for this is # run system activity accounting tool every minute * * * * * root /usr/lib64/sa/sa1 1 1 # generate a daily summary of process accounting at 23:53 53 23 * * * root /usr/lib64/sa/sa2 -A I get the following error from the cron sa2 -A find: /var/log/sa/sa13: No such file or directory, Looking at the directory /var/log/sa the files are created from sa01 through sa10 (sa1 created on sep1, sa2 created on sep2 and so on), then the rest of the files are from sa14 through to sa 31 (created from Aug 14 to Aug 31). I have not made any changes on the server so I am not sure why I am getting these error messages and is there a way to fix this?. Someone suggested creating empty files from sa11 through sa14 to fix this but I am not sure if this might mess up something .

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  • Avoiding memory full -> swap full -> crash

    - by Noam
    I'm experiencing an issue when sometimes the memory gets 100% full, and the swap file also, and the server becomes non-responsive and has to be restarted (causing also problems in database). This is what Cacti shows: The server is running a web-app (database + apache) and during that specific moment didn't experience any ir-regular traffic or usage. This scenario happened twice in the last week. What can cause this? How can I resolve the issue?

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  • intermittent SSH with ssh_exchange_identification error

    - by rafamvc
    My ssh connection to my server works every 30 min for around 10 min. Things that I figure out that might be the problem: The server is underload (it is a database server), but on those spare moments that I can connect, it is still under the same load, which doesnt make sense. The server is a ubuntu, and the consolekit was using a lot of virtual memory. Restarted the consolekit and it seems to be using a right amount of memory now. It is not the host alows or deny. Those are setup properly. It is not a firewall problem. Those settings were working and the same settings are working for other similar machines. It is on the ec2. Amazon cloud.

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  • Chrooted user does not start in his home directory and does not load his bash_profiles

    - by Stuffy
    If the users logs in, he starts in / of the chroot (Which is /var/jail on the real machine). I would like him to start in his home-dir. Also, he seems not to load any of his profile-files (.bash.rc etc). I followed this tutorial to create the chroot environment. This is what my /etc/passwd looks like: test:x:1004:1008:,,,:/var/jail/home/test:/bin/bash this is what my /var/jail/etc/passwd file looks like: test:x:1004:1008:,,,:/home/test:/bin/bash I also found out that, if I remove Match User test ChrootDirectory /var/jail AllowTCPForwarding no X11Forwarding no from my /etc/ssh/sshd_config, the user starts in his correct home-folder and with his bash-settings loaded. However, he is able to leave the chroot-environment if I remove that part. This question I asked before is somewhat related, since I think the wrong look of the commandline is caused from the not loaded profile-files. So any ideas how to fix this?

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  • Debian SMB share having permission issues in windows 7

    - by xxpor
    Hi Everyone, I setup a Debian squeeze server with samba. I then shared my /media directory with the following configuration: [media] comment=Hard Drives read only = no locking = no path = /media guest ok = yes browsable = yes directory mask = 0777 When the drives are mapped in Windows 7, the user can write to all of the subdirectories of media (sdb1, sdc1, etc), but cannot write to any folders that they create themselves in the subdirectories of media. For example, if the user mapped /media/sdb1 to Z:, and then creates a folder Z:\test, the folder is created successfully, but no files can be written to Z:\test. If the user ssh's into the server, they have no problems writing to these directories. I have included the screenshots, in order, of what happens on Windows. This samba share is mounted with ntfs-3g, if it makes a difference. Screenshots are here

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  • Ubuntu USB flash boot drive gets spontaneous "Unhandled sense code" error and causes drive to switch to Write protected

    - by Steve
    What happens is that the system runs fine for several days or even a week and then suddenly the root file-system / goes read-only. Looking at the syslog it shows that there was an 'Unhandled sense code'. This is under Ubuntu 10.04 but I saw the same thing with Ubuntu 9 with different flash media. /dev/sdg1 on / type ext4 (rw,errors=remount-ro) Jun 26 08:50:04 host1 kernel: [926247.565090] sd 5:0:0:0: [sda] Unhandled sense code Jun 26 08:50:04 host1 kernel: [926247.565094] sd 5:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Jun 26 08:50:04 host1 kernel: [926247.565098] sd 5:0:0:0: [sda] Sense Key : Data Protect [current] Jun 26 08:50:04 host1 kernel: [926247.565103] sd 5:0:0:0: [sda] Add. Sense: Write protected Jun 26 08:50:04 host1 kernel: [926247.565108] sd 5:0:0:0: [sda] CDB: Write(10): 2a 00 00 46 29 18 00 00 08 00 Jun 26 08:50:04 host1 kernel: [926247.565117] end_request: I/O error, dev sda, sector 4598040 Jun 26 08:50:04 host1 kernel: [926247.569788] Buffer I/O error on device sda1, logical block 574499 Jun 26 08:50:04 host1 kernel: [926247.574677] lost page write due to I/O error on sda1

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  • Incorrect units in iotop output

    - by brodie
    iotop is behaving strangely on a opensuse 11.2 server. It all of a sudden started reporting the output in the wrong units. Kilobytes per second are now Terabytes a second, Gigabytes now Petabytes. This server is also having stability issues, so I'm curious as to if the system is reporting things wrong to iotop is related to other issues. Any one else see similar behaviour?

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  • Linux 3.7 sort en version stable : support de multiples plateformes ARM, améliorations de Btrfs, Ext4, TCP Fast Open et IPv6

    Linux 3.7 sort en version stable support de multiples plateformes ARM, améliorations de Btrfs, Ext4, TCP Fast Open et IPv6 Près de deux mois après la sortie du noyau Linux 3.6, Linus Torvalds, annonce la publication de la version stable de Linux 3.7, avec un nombre important de nouvelles fonctionnalités. La nouveauté vedette de cette mouture est sans aucun doute la proposition d'une version unique du Kernel capable de prendre en charge plusieurs architectures ARM. Bien que le support de toutes les plateformes ARM du marché ne soit pas complet, Linux 3.7 est compatible avec les plateformes populaires comme les processeurs Calxeda's Higbank ARM utilisés dans les serveurs Moo...

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  • how can I change the domain and name server of a image?

    - by jpganz18
    I wonder if someone did the same, I create an image of a server, then I move it to another , and that other one will have a different domain, so, now I want to create and send mail with the new domain, still the other domain is the one who signs... I already changed the dovecot.cnf , postfix, apache and hosts file, but I cant find where is that domain comming from, any idea of where to look for? Thanks!

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  • What do the "ALL"s in the line " %admin ALL=(ALL) ALL " in Ubuntu's /etc/sudoers file stand for?

    - by sri
    What does each ALL mean? I understand that the whole line indicates that the admin group members get admininstartive privileges, but would like to know more info about the position of the ALLS and if they each refer to a different set of permissions or something like that? $sudo cat /etc/sudoers ... # User privilege Information root ALL=(ALL) ALL #... %sudo ALL=(ALL) ALL # #includedir /etc/sudoers.d #Members of the admin group may gain root privileges %admin ALL=(ALL) ALL # If it matters: OS: Ubuntu : 10.4

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  • Why doesn't my cron.d per minute job run?

    - by Travis Griggs
    I have thrown a bunch of darts trying to get a python script of mine to execute every minute. So I thought I'd simplify it to just do the "simplest thing that could could possibly work" once per minute (I'm running debian/testing). I created a single line file in /etc/cron.d/perminute: * * * * * /bin/touch /home/me/ding_dong It's owned by root, and executable (not sure if either of those matter). And then I did: sudo service cron reload And then sit back and start running ls -ltr again and again in my home directory (/home/me). But my ding_dong file never shows up. I know if I do a sudo /bin/touch /home/me/ding_dong, it shows up right away. Obviously missing something stupid here.

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  • Issue with yum hanging. Strace provided

    - by barrrista
    If I do a simple yum update, it hangs and I get the following strace: etsockname(9, {sa_family=AF_INET, sin_port=htons(41169), sin_addr=inet_addr("hiddenip")}, [38654705680]) = 0 close(9) = 0 socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9 connect(9, {sa_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("hiddenip")}, 16) = 0 getsockname(9, {sa_family=AF_INET, sin_port=htons(46910), sin_addr=inet_addr("hiddenip")}, [38654705680]) = 0 close(9) = 0 socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9 connect(9, {sa_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("hiddenip")}, 16) = 0 getsockname(9, {sa_family=AF_INET, sin_port=htons(50917), sin_addr=inet_addr("hiddenip")}, [38654705680]) = 0 close(9) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 9 fcntl(9, F_GETFL) = 0x2 (flags O_RDWR) fcntl(9, F_SETFL, O_RDWR|O_NONBLOCK) = 0 connect(9, {sa_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("hiddenip")}, 16) = -1 EINPROGRESS (Operation now in progress) select(10, NULL, [9], NULL, {30, 0}

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  • Why is 64 bit Ubuntu not recomended for daily usage?

    - by REA_ANDREW
    I am just in the process of setting up a new laptop which came with Windows 7 64 bit installed. I am going to set it up to dual boot Windows 7 and Ubuntu. When I went to get the Ubuntu download I noticed that the 64 bit version is labelled with Not recomended for daily desktop usageNot recomended for daily desktop usage Why would this be? Why is 64 bit Ubuntu not recommended for daily desktop usage?

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  • Two IP ranges on eth1 configuration for centos 6.2

    - by Trickzzz
    i have a dedicated server, with "Virtuozzo" on it running VPS's. I have: eth0 - which is configured to the internal network, that one is fine. Now I have: eth1 - which has two ranges routed through this device. x.x.134.x (which has 12 IP's sequentially) x.x.132.x (which has 5) eth1: DEVICE="eth1" HWADDR="00:25:90:37:65:67" NM_CONTROLLED="yes" ONBOOT="yes" IPADDR="x.x.134.x" NETMASK="255.255.255.240" GATEWAY="x.x.134.x" I tried using this with another file as well named "ifcfg-eth1:1" in /etc/sysconfig/network-scripts/ any ideas why the containers on eth1:1 would not link up to the network? Virtuozzo also thinks that eth1:1 is the primary network now, which isn't right?

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  • iso9660 filesystem when remade with a slight change blows its size by 100M

    - by user1458001
    I have an iso 9660 filesystem image in which I need to edit just one file. I copied the files using cp -avf. When the files reach the destination, the sizes increase. That must be due to the increase in block size. But when I remake the iso9660 filesystem using mkisofs -J -U -r the sizes of the files remain the same and just a small editing in a file leads to a blow up of about 100M in the newly created iso image. I think I'm missing some option there, but I'm not able to find out in the manpage and google search. Some quick help would be greatly appreciated as I'm stuck. My host filesystem is ext3..if that's required.

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