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  • Configuring Nagios BGP plugin on Ubuntu

    - by user141610
    I am trying to configure nagios check_bgp_neighbors plug-in on Ubuntu and followed README file of check_bgp_neighbors plug-in. I have made following changes: define command{ command_name check_bgp_all command_line $USER1$/check_bgp_neighbors -H $HOSTADDRESS$ -C $USER3$ -n $ARG1$ -n $ARG2$ } to define command{ command_name check_bgp_all command_line /usr/local/nagios/libexec/check_bgp_neighbors.sh -H xx.xx.xx.49 -C xx.xx.xx.50 And define service{ use server-service hostgroup_name svc-bgp1 service_description BGP Check 1 check_command check_bgp_all!10.0.0.1!172.16.0.2 } to define service{ use generic-service hostgroup_name svc-bgp1 service_description BGP Check 1 check_command check_bgp_all!xx.xx.xx.50 } xx.xx.xx.49 is the IP of the host router and xx.xx.xx.50 is the IP of eBGP neighbour. After that it shows critical status. I know my command is not correct but cannot detect the problem. I learned that in this plug-in user-name and password of the host router are required but don't know how and where to provide it. Nagios log does not show any error message. Status information: Failed: status:0 prefixes:0 sent:0 received:0

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  • Cannot enable cron logs on Ubuntu 10.04

    - by Patrick
    I've just the following commands on Ubuntu 10.04 in order to enable cron logs. But I still don't see the file /var/logs/cron. 1. Edit /etc/syslog.conf and uncomment the line starting with cron.* 2. sudo /etc/init.d/sysklogd restart 3. sudo /etc/init.d/cron restart (I've also tried sudo service cron restart). What am i missing to do ? Also, I would like to know how can I run cron manually and not just start the service. thanks

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  • Ubuntu 12.04 host lookups extremely slow

    - by tubaguy50035
    I'm having issues with one of my servers taking a long time to look up host names. This is an Ubuntu 12.04 box, so I've tried following the new resolvconf directives. In my /etc/network/interfaces file, I defined my name servers like this: auto eth0 iface eth0 inet static address someaddress netmask 255.255.255.0 gateway 198.58.103.1 dns-nameservers 74.14.179.5 72.14.188.5 In my /etc/resolv.conf, I see these name servers, like this: # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 74.14.179.5 nameserver 72.14.188.5 On another box, I edited the resolv.conf directly as directed by my hosts' setup help files. It looks like this: domain members.linode.com search members.linode.com nameserver 72.14.179.5 nameserver 72.14.188.5 options rotate This second box has no issues with host name look ups and responds quite quickly. Could not having the domain and search directives make my look ups slow? By slow, I mean it's taking anywhere from 5 to 15 seconds to find the IP address of a host.

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  • Ubuntu server loses network connection after ADSL2+ modem reset

    - by squashbuff
    I am using an ubuntu 10.04 server (running on a Lenovo Thinkpad notebook) as my webserver. It is performing well in terms of handling the traffic etc. However my internet connection is ADSL2+ (using Thomson TG782T modem-router) and if the modem is reset, then my server loses network connection. The networkmanager icon shows a red exclamation mark showing that is has no connection. But as soon as I click on it and tell it to connect to eth0, the connection is back on. It must be something that networkmanager is failing to do and because of this, the reliability of my webserver is suffering. Any advice on how this can be fixed?

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  • How do I share my iPhoto photos with my ubuntu partition?

    - by Taryn East
    I have a MacBook Pro dual-booted with Snow Leopard and Ubuntu Karmic. I have recently imported hundreds of my photos into iPhoto - but I now want to be able to see them (and use them as desktop/screen saver images) from my Ubuntu partition (ie when the machine is running Ubuntu instead of MacOS). Is there an easy way to do this direct from the iPhoto library or do I have to shift them all out to an external file directory or something? Further edit - just to make it clear: I have already uploaded my photos directly into iPhoto - then spent many days categorising, tagging and uploading to flickr. Unless there's something I'm missing, I'm guessing it's likely too late to do the "don't copy into the iPhoto library" option. Happy to be proven wrong :) Perhaps somebody knows of a way to "export" the library without losing any of the current information - so that I can (from then on) keep the photos in an external library? I don't want to do this, though, if I lose the information that is currently there.

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  • Unknown/unsupported storage engine: InnoDB | Mysql Ubuntu

    - by Kayle
    I recently upgraded from the previous LTS Ubuntu to Precise and now mysql refuses to start. It complains of the following when I attempt to start it: ?$ sudo service mysql restart stop: Unknown instance: start: Job failed to start And this shows in "/var/log/mysql/error.log": 120415 23:01:09 [Note] Plugin 'InnoDB' is disabled. 120415 23:01:09 [Note] Plugin 'FEDERATED' is disabled. 120415 23:01:09 [ERROR] Unknown/unsupported storage engine: InnoDB 120415 23:01:09 [ERROR] Aborting 120415 23:01:09 [Note] /usr/sbin/mysqld: Shutdown complete I've checked permissions on all the mysql directories to make sure it had ownership and I also renamed the previou ib_logs so that it could remake them. I'm just getting no where with this issue right now, after looking at google results for 2 hours.

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  • SugarCRM CE Won't Install on Ubuntu 10.10

    - by Trenton Scott
    I have a fresh copy of Ubuntu 10.10 server with a working LAMP installation. I downloaded SugarCRM and browsed to its directory to open the installer (via Firefox). The installer appears fine, I accept the license agreement, and it proceeds to check file permissions. It advises that several directories need looser permissions (chmod 766), and I adjust them accordingly. After making the changes, I click "recheck" and the page just reloads as blank (white). There are no errors visible, nothing in the server logs (Apache/PHP) and installation cannot continue. I'm able to get back to the installation tool by readjusting permissions back to my default (0755 for directories, 0644 for files). All files/folders are owned by root and the www-data group. Any idea about what's wrong?

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  • Running out of LowMem with Ubuntu PAE Kernel and 32GB of RAM

    - by magneticMonster
    I'm running a Java data import process on a 32-bit Ubuntu 10 PAE kernel machine. After running the process for a while, the oom-killer zaps my Java process. After some Googling and digging through docs, it looks like the system is running out of LowMem. I started the process for the third time and am watching free -lm show me Low: 464 386 77 with the free value (77MB) slowly decreasing. Why am I running out of lowmem and how do I increase it? Some details: $ cat /proc/sys/vm/lowmem_reserve_ratio 256 256 32 $ free -lm total used free shared buffers cached Mem: 32086 24611 7475 0 0 24012 Low: 464 407 57 High: 31621 24204 7417 -/+ buffers/cache: 598 31487 Swap: 2047 0 2047

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  • Solution to Manage and Monitor (Ubuntu) Machines

    - by Elmar Weber
    I'm looking for a tool like Canonical (system management and monitoring for Ubuntu) that is Open Source and free. The goal is to manage a dozen or so KVM machines for private testing purposes. I know of puppet and munin or RHQ as separate tools to manage and monitor, but I'd prefer something integrated. Any tips? Basic requirements would be: system package management and update (individual selection for each managed node) configuration of basic system services (Users, NFS, cron, ideally also Apache) monitoring (charting of system resources, disk, io, memory, etc) and alerting, ideally a default configuration with sensible values for alerts

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  • Passenger package not found after adding phusion repo Ubuntu 12.04

    - by speshak
    I'm trying to install the official Passenger (and Nginx) packages from Phusion on an Ubuntu 12.04.3 server. I have the following in /etc/apt/sources.list.d/passenger: deb https://oss-binaries.phusionpassenger.com/apt/passenger precise main Even after running apt-get update there is no passenger package found by apt. I did verify that the package info appears in /var/lib/apt/lists/oss-binaries.phusionpassenger.com_apt_passenger_dists_precise_main_binary-amd64_Packages but at this point I'm at a loss as to why the package isn't available via apt-get. There are some packages (libapache2-mod-passenger, passenger-docs) that are available. These packages seem to also exist in universe, but apt-cache show lists both locations.

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  • Ubuntu hangs on boot when NFS-mounting entries in /etc/fstab, but they mount cleanly otherwise

    - by lorin
    I'm managing several Ubuntu 9.10 servers that NFS mount several folders (including /home). I'd like these folders to be mounted at boot time. I would like to have several entries in my /etc/fstab to accomplish this, e.g. 192.168.1.100:/home /home nfs rw 0 0 192.168.1.100:/usr/ansys_inc /ansys_inc nfs ro 0 0 Unfortunately, with this configuration, the servers usually (although not always) hang during the bootup sequence when trying to do the NFS mount. if I comment out these fstab entries, reboot the machine, uncomment them and mount them manually using the shell, the folders mount cleanly. I'm not sure how to go about debugging this problem. It seems like it has something to do with the boot sequence, that some relevant process hasn't been started by the time the OS tries to mount the folders.

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  • My ubuntu server is losing connectivity, require assistance troubleshooting

    - by Coderama
    I have two server monitoring tools that check the uptime of my Ubuntu 10.04.1 LTS server. Over the last month both of these tools have reported the following outages: Jan - 15mins: self recovery Jan - 5 mins: self recovery Feb - 15mins: I managed to be online when this happened and logged into my control panel to find that my server was shutdown. I manually restarted it only because I was online. I wonder if it would have restarted? I have contacted my VPS provider (webbynode) who could not see any any problems with their VPS infrastructure for the February outage. I have also checked the following log files to see if there are any anomalies that could be the cause of the outages; I am unable to see anything related to the server shutdown (Feb) in these logs: /var/log/auth.log /var/log/apache2/error.log /var/log/syslog /var/log/kern.log /var/log/boot /var/log/messages Could anyone suggest any other things I should look out for, such as additional system logs? I just added bootlogging through /etc/default/bootlogd

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  • Ubuntu based VPN server behind NAT router?

    - by maartenn88
    I have a small intranet- and file-server inside our company, which can only be reached from inside our own network. I'd like to be able to reach the intranet and files on the server from outside the network, however I don't really like the idea of completely opening security by forwarding the ports on our NAT-router, so I'd prefer to enable a VPN possibility for this. So I have a router, which is the DHCP server and has NAT function, and I have an Ubuntu Server with the files and intranet on it. How do I configure these two so that I can make a VPN connection with my network in order to reach the server? thanks in advance for any answer!

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  • Protect individual sites on Ubuntu/Apache server

    - by Christoffer
    Hi,?? I need to set up a Apache server configuration for some client sites that run under the same Ubuntu 9.10 machine. All sites are allowed to run PHP, Python and Ruby on Rails. I do not control the source code of these sites and so I need to set up a filter in order to prevent one user to reach files on another users account.?? If I run a script to list files in "/" from one account, I can browse some files and directories in the actual server root. I want to set the root for each account to /var/usersite.com/www/ instead so that listing files in "/" shows the files in the client's root. ??How is this most easily configured??? Cheers!? /Christoffer

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  • EC2 hostname ubuntu and ejabberd

    - by aelbaz
    I have questions related to the host name in Ubuntu EC2 instances. I have a IPS elastics for hosts that want to be seen from the internet and I have pointed out in the DNS entries with the computer name to those ips. For example, for elastic IP 11.11.11.11 DNS I added my computer name www.example.com. But I also want to rename the machines which they have, because it is a parameter of the service running on them (ejabberd server). EC2 instances are restarted when changing the host name, and seen on the client requesting dhcp hostname to dhcp Amazon. My question is ... What is the safest method to change the hostname: dhcp client modify, insert the command in rc.local, etc. ..? Could I have a problem with the internal resolution of traffic between EC2 instances? thanks

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  • Ubuntu karmic 9.10 Live image on USB - not working.

    - by Vivek Sharma
    This is my configuration 4GB pendrive, HP ubuntu-9.10-desktop-i386 image file for live USB install pendrivelinux (u910p) and ubetbootin (unetbootin.sourceforge.net) machine T61 Earlier I have installed ubuntu live image using above two mentioned utilities, numerous times. But, on a 2gb kingston flash-drive. Today, i am trying to install the live-image on 4gb HP flash-drive. Both the utilities install, i can see the files in the drive, even the wubi-installer is working, it say press "reboot" to boot in live-ubuntu. But, when i press "reboot" it does not reboot my win7. Now, when i reboot, select boot-usb in bios, it say "no boot record". I am making my usb bootable, using the utility, even then nothing is working out. Did this a few times. Is 4GB usb a prob, does anyone knows how to partition my usb in 2-2gb and install it on one partition, and then use the live image. Is it possible.

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  • Install additional PHP version in different folder on Ubuntu 8.04

    - by chessweb
    Hi, I'm on a Host Europe VPS running Ubuntu 8.04 server. PHP version is 5.2.4. Now there is an application (Moodle 2.0) that needs at least PHP 5.2.8. I don't want to upgrade serverwide to PHP 5.2.8 because that might impair other applications (e.g. Plesk). The FAQ at Host Europe suggest to install an additional PHP 5.2.8 in /opt/php and I think I can handle that with $ dpkg -i php_..._.deb --root /opt/php (Is that correct, by the way?) However, how do I point Apache to the new PHP installation? Thanks for any advice, Ralf

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  • Speeding Up Search On Ubuntu File Server Accessed Through Windows

    - by John Birdy
    I run an Ubuntu box as a media server, which I use to either share files (copy and paste off of the network drive), or stream to my computer (which runs Win7), or to my xbox. I have a lot of files on there, especially music. Currently when I'm searching for a file, I just use Windows' search, which can be quite slow. I was wondering if there were better ways to search from my Windows box? I'd prefer not to SSH in to the box and use find or something like that. Is there any way to speed up Windows' search? Or an easy alternative? Thanks!

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  • User permissions linux. (proftpd / nginx)

    - by user55745
    I've been having a complete nightmare trying to configure proftpd. I've got proftp server working with an sql database. However I want to have any files uploaded able to viewed by the webserver running on the same box. The folders get created in /var/tmp/ as rwx------ 2 ftpuser ftpgroup 4096 Oct 8 20:35 50730c4346512 drwx------ 2 ftpuser ftpgroup 4096 Oct 8 20:38 50730f3a811ca I've tried adding www-data to group with the following usermod -g www-data ftpuser But this doesn't allow the web server access. In proftpd.conf I have the following umask set Umask 0022 It doesn't seem to make a difference what I set that value to. /etc/group (sure I've messed up one of these two but I'm getting desperate) ftpgroup:x:2001:www-data www-data:x:33:ftpgroup /etc/passwd www-data:x:33:33:www-data:/var/www:/bin/sh proftpd:x:108:65534::/var/run/proftpd:/bin/false ftp:x:109:65534::/srv/ftp:/bin/false ftpuser:x:2001:33:proftpd user www-data:/bin/null:/bin/false The ftpuser table in the database has uid / gid set to 2oo1 for both. I'm going absolutely crazy trying to solve this any help would be greatly appreciated. p.s Also, although if I manually connect to the ftp server I can upload files via FileZilla. Although this isn't working for the web-camera, although there is talky talky going on between the server and the camera.

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  • Ubuntu Linux: Process swap memory and memory usage

    - by David Halter
    My Ubuntu eats more memory than the task manager is showing: sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}' 1043.84 free -m total used free shared buffers cached Mem: 3860 1878 1982 0 20 679 -/+ buffers/cache: 1178 2681 Swap: 2729 1035 1693 That's strange. Can someone explain this difference? But what is more important: I'd like to know how much memory a process is really using. I don't want to know the virtual memory size, but rather the resident memory plus swap of a process. I have also tried to output the format param "sz" of 'ps', but the sum of this is to high (5450 MB) (param 'size' gives 8323.45 MB). Are there any other options? I really want to use this, to determine which programs/processes are eating to much memory (and swap), to kill them, because hibernate might not be working if the swap partition is to little.

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  • Configuring Bind9 on ubuntu

    - by Jerry
    I am trying to configure name server on Ubuntu just for learning. I have followed this tutorial. After configuring bind9 I have restarted it and works well. I have no registered domain name and public IP, so I have used a random domain name(khalidiitdu.com) that is not registered. When I dig khalidiitdu.com, it shows status: NXDOMAIN. If I use nslookup command, it shows ** server can't find khalidiitdu.com: NXDOMAIN. Now question is: Is registered domain mandatory to configure bind9 within a LAN? If not please suggest me alternative ways. Thanks.....

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  • changing the default port no of tomcat in ubuntu

    - by codeomnitrix
    Hii all i am trying to change the port no of my tomcat server installed in ubuntu. for this i have changed the file server.xml and made a change there as: <Connector port="8081" protocol="HTTP/1.1" connectionTimeout="20000" URIEncoding="UTF-8" redirectPort="8443" /> But the problem is that whenever i try to open the localhost:8081 it is working fine but when i tried to open localhost:8080 then it is still accessible. So please explain this why this is happening. Secondly when i made the default port to 80 then localhost:80 or localhost then it was not accessible. So please explain this why this is happening. Thanks in advance.

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  • SSL 3.0 warning in Chrome on Ubuntu 10.04LTS

    - by Leopd
    I'm running Apache2 with SSL on Ubuntu 10.04LTS. Chrome gives me this annoying warning when I inspect the certificate: The connection had to be retried using SSL 3.0. This typically means that the server is using very old software and may have other security issues. The relevant part of the apache config looks like: SSLEngine on SSLCertificateFile /etc/ssl/... SSLCertificateKeyFile /etc/ssl/... SSLCACertificateFile /etc/ssl/... SSLProtocol -all +SSLv3 +TLSv1 The last line I added to try to address this problem, but it's not working. Any advice on properly enabling TLS?

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  • Remote access to a KVM Ubuntu virtual server

    - by Lee
    I've just setup an ubuntu virtual server and everything seems to be working fine. I used KVM to get it working with a bridged network. I've given the virtual server a static ip address on my network. I don't seem to be able to connect to the virtual machine though from outside my network. If I'm on my own network it all works fine, I can ping the ip and connect to it. The virtual server can ping other machines and sites on the internet. I changed the port forwarding rules on my router to forward any connections on a specific port to the virtual server ip address thinking that was the problem, but it was still the same. Is there something I'm missing here which is blocking outside connections to the virtual machine? Thanks.

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  • Ubuntu Server upgrade over SSH hang

    - by Chris
    I was upgrading an Ubuntu server (using the do-release-upgrade) command over SSH (I know it's a bad idea, but it was the only choice; I don't have physical access to the server). It seemed to go fine and was going thru the 'setting up package name' part when it froze on the line Installing new version of config file /etc/mysql/debian-start ... The SSH connection appears to be still active, as pressing the up arrow echoes back ^[[A, and so on. When I log in on another SSH connection I can log in fine, but the ** system needs restart ** message shows up. Is it safe to ^C the release-upgrade command, or try to reboot the server? Should I ^C the upgrade and try it again? Anything else I could try?

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