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  • Choose source interface for PPTP VPN on Ubuntu

    - by Emyl
    I have an Ubuntu Virtualbox guest with two network interface, eth0 (NAT) and eth1 (bridged). I want to connect to a PPTP VPN using eth1, but I don't know how to specify which interface to use. If i just try: sudo pon myvpn nodetach It fails with: Using interface ppp0 Connect: ppp0 <--> /dev/pts/1 Modem hangup Connection terminated. Looking at routes with route seems to indicate that eth0 is being used: x.x.x.x.no 10.0.2.2 255.255.255.255 UGH 0 0 0 eth0

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  • NIC going to sleep on Ubuntu Server 10.04

    - by user43390
    When I leave my server idle for about 10 minutes the network will stop responding to outside connections. If I get on the server and attempt to use the network(ping google for example) there will be a delay for a few seconds and then it works. After this incoming connections work again until I leave it idle again. Why does this happen and how can I fix it?

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  • Ubuntu hibernate resume fails: "PM: Resume from disk failed"

    - by Neil
    I just upgraded to Ubuntu 10.4 from 9.10, and it's now hiding the hibernate and suspend options. How do I get them back? So the way you do this is make sure that your swap partition is in /etc/fstab and swap is enabled, and big enough. Look at /proc/swaps to see if anything is listed. Now I'm getting this error when I boot after suspending: init: ureadahead-other main process (705) terminated with status 4 Does anyone know how to fix this? I'm using Ubuntu with kernel 2.6.32-22-generic.

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  • Colour Issues in OSX Terminal ssh'd to Ubuntu terminal

    - by devians
    In the OSX terminal, I'm having some colour issues. If i am working locally, there are no colours. If i ssh into my opensolaris machine (using screen inside ssh) there are no colours. If i then ssh into my ubuntu virtualmachine, and say, vim edit a file, the colours are completely broken. On quitting vim, it then keeps the broken colours and applies them to everything until i force a terminal bell. I assume this is a misconfiguration of the ubuntu machines colours, or a mismatching of terminal emulators. What is the best fix in this instance.

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  • Colour Issues in OS X Terminal ssh'd to Ubuntu terminal

    - by devians
    In the OS X Terminal.app, I'm having some colour issues. If I am working locally, there are no colours. If I ssh into my opensolaris machine (using screen inside ssh) there are no colours. If I then ssh into my ubuntu virtualmachine, and say, vim edit a file, the colours are completely broken. On quitting vim, it then keeps the broken colours and applies them to everything until I force a terminal bell. I assume this is a misconfiguration of the ubuntu machines colours, or a mismatching of terminal emulators. What is the best fix in this instance.

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  • rsync from OS X to Ubuntu failing for large (>15GB) files

    - by johnny_bgoode
    I'm trying to rsync a 15 GB file from my OSX box to a box running Ubuntu 10.04 server. rsync is transferring ~300-700Mb and then closing the connection with the following error: Read from remote host my.host.name: Connection reset by peer rsync: writefd_unbuffered failed to write 4 bytes [sender]: Broken pipe (32) rsync: connection unexpectedly closed (397214 bytes received so far) [sender] rsync error: unexplained error (code 255) at /SourceCache/rsync/rsync-40/rsync/io.c(452) [sender=2.6.9] The exact command I am executing is: rsync --progress --archive --inplace my.15GB.file.tgz my.host.name:~/ I am sure that there is enough free space on the Ubuntu box. Any ideas what could be causing the connection to drop?

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  • Creating Limited User Accounts on Ubuntu Server

    - by LonnieBest
    Using Ubuntu server, I need to create some user accounts that have the following limitations: (1) User may only view and manipulate files in their home directory. (2) User may only execute commands related to rsync and sftp. I want users to be able to backup files using rsync, and I want them to be able retrieve files using an sftp client like FileZilla. Other than this, I don't want users to be able to view other files on the system, or execute any commands that might mess with the system. I'm more of an Ubuntu Desktop user, and have very little experience administering a linux server. Most tutorials I've found assume I know things that I don't know. So I'm having difficulty setting this up.

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  • NFS caching on Ubuntu

    - by stream
    We run a bunch of ubuntu servers (mostly 8.04 LTS) which all mount an nfs share at /nfs. We use the nfs primarily for two purposes: symlinking config files (such as apache vhosts) reading & writing uploaded files This all works great except it makes us fully dependent on the central NFS server (which is a DRBD cluster with heartbeat failover from primary to secondary, but we've still seen issues). What we'd like is if we could mount the NFS through some local caching layer which would make any file which had previously been read remain available even if /nfs isn't. Writes could be disabled for this period. Searching around it looks like cachefilesd may be an option. Unfortunately, it's only packaged for ubuntu 9.10 & 10.04 it looks like. I was also looking for a FUSE-based solution which might fit the bill, but hadn't found anything yet. Any suggestions would be greatly appreciated!

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  • How to calibrate Wacom tablets under Ubuntu Lucid?

    - by Calvin Fisher
    I've been using Wacom tablets on Linux for quite some time, almost exclusively in Ubuntu, and in previous versions I've used xidump to track input values. I would use that information to put calibration settings in my xorg.conf file. However, in the most recent Ubuntu release, this command does not exist, and the package wacom-tools that previously installed it has now been removed. Is there a new method for calibrating Wacom pads under Linux? Should I have been using a different method all along for obtaining this information?

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  • Ubuntu mount hard drive confusing

    - by Fresheyeball
    I'm new to linux and have a home server set up running ubuntu. In the ui its very easy to mount my additional internal harddrives. I just double click on them. Since I have made this server headless, I now need to mount via the command line. How can I replicate the very simple double click gui behavior? So far all the information I've found is very complex. Ubuntu auto generated folders for each hd in under /media and I can see the harddrives under /dev but have no idea which is which as the hardware is identical between them. I also don't know how they are formated. Thanks in advance for any advice you have.

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  • Device cannot be added on software-raid-1 array on Ubuntu 12.04

    - by George Pligor
    Unfortunately all tutorials I have found online until now on how to setup software-raid-1 are outdated on ubuntu 12.40 My target is to setup it on a system with a secondary disk drive that is already running. Format is not an option! I am trying to follow and adapt from 11.10 to 12.04 the following tutorial: http://www.howtoforge.com/how-to-set-up-software-raid1-on-a-running-lvm-system-incl-grub2-configuration-ubuntu-11.10-p2 On the above tutorial there is a successful command which creates a raid-1 array by setting the first disk drive with the installed system as missing: mdadm --create /dev/md0 --level=1 --raid-disks=2 missing /dev/sdb1 But when the time comes to add the first main drive with the installed system on the raid-array with this command: mdadm --add /dev/md0 /dev/sda1 I receive an error message. The error message says that the device /dev/sda is (which makes sense) busy! Note: hardware raid solution is not available since the system is a laptop with two disk drives! Thank you

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  • Packet loss with Broadcom wireless and Ubuntu

    - by stevemegson
    I have a machine with Ubuntu 9.04 and a Broadcom BCM4306 wireless card which has been running quite happily for many months with the b43legacy driver that's suggested by Hardware Drivers. Suddenly, I'm now seeing crippling packet loss, varying between 30% and 90% when pinging the router. My WinXP machine is still quite happy even when sat next to the Ubuntu box, so I assume that it's not some new source of interference. What else is likely to have changed? How should I go about diagnosing and fixing this?

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  • Ubuntu 12.04 transmission-daemon and zfsonlinux: bad file descriptor and corrupt pieces

    - by Ivailo Karamanolev
    I'm running a Ubuntu 12.04 with zfsonlinux and transmission-daemon. The issues: sporadic Bad File Descriptor and Piece #xxx is corrupt errors. After I recheck the torrent, everything seems fine. That happens only when downloading: once it's in seeding mode. This only happens after the torrent client has been running for some time. I installed zfsonlinux from the offical stable ppa (https://launchpad.net/~zfs-native/+archive/stable). I previously tried running transmission-daemon from the Ubuntu repository, but since I've switched to building the latest transmission from source with the latest libevent (all stable) - same thing. I've seen bug reports (https://trac.transmissionbt.com/ticket/4147) for that issue, but none of them seem to have a solution. How can I fix these errors, or at least understand where they come from and what I can do to rectify the issue?

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  • Ubuntu Server on Proliant ML350 G4

    - by eduardoavdr
    Hi Everyone, I have been given the task to change OS of a HP Proliant ML350 G4 server, and I decided to use Ubuntu server edition for that matter. The thing is that the server has already installed Windows server 2000 on the only Hard drive it has (SCSI). My question is, could I install an IDE HD on the IDE connection it has and install ubuntu without overwritting the boot configuration, so if I wanted to go back to the windows 2000 server installation with no problems? It also has a tape drive which is used for backups. Do you guys know how buntu deals with such devices? Thanks for your time

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  • Ubuntu whois package and request limits

    - by Sam Hammamy
    I'm writing a django app with a form that accepts an IP and does a whois lookup on the discovered domain names. I've found the Ubuntu package whois which I plan to call from a python subprocess, and read the stdout into a StringIO, then parse for things like Registrar, Name Servers, etc. My question is, it seems that there are many paid whois services, which means that there must be a reason why people don't just use this Ubuntu package. I'm wondering if there's a request limit on the number of requests from a single IP to the package's whois server? I will probably be making 250 domain lookups per IP or maybe more. Also, I've found that some domains aren't searchable: qmul.ac.uk is searchable kat.ph is not searchable ahram.org.eg is not searchable Any particular reason for that?

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  • Ubuntu boots into command line instead of X.

    - by Ethan Turkeltaub
    I posted this on the Ubuntu forums and they had no good answer. I hope you guys have a solution! On my relatively new install, it's booting into command line instead of X--again. This is the reason I reinstalled in the first place. This has happened to me three times now. So, I boot up and it gets past GRUB, past the glowing Ubuntu option, then it prompts me for my username, then password. I run: startx And that starts the GUI for about a minute, then it runs the GUI login system. To add to the mess, the network-applet is not shown in the panel. Additionally, Chrome will not launch (I ran Firefox from the terminal). What's the problem here?

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  • How to SSH to guest ubuntu OS in vmplayer4

    - by Grace
    I have installed vmplayer4.0.4 on Windows7, and install ubuntu12.04 as Guest OS. Basically i have two problems: Default vmplayer use NAT for network access. I could ping the guest OS from the Host OS. But how could i access the Guest OS from outside the Host OS? If i change to Bridged Mode, sure the Guest Ubuntu OS could get DHCP ip in the same subnet as Host OS. But i could not ping the Guest OS from the Host OS, or vice versa, even if i disable the iptables firewall on Ubuntu Guest OS like following: iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT I could not figure it out, could anyone help on this issue? Thanks in advance.

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  • Fedora vs Ubuntu to host Subversion and Bugzilla over Apache

    - by Tone
    I'm not interested in a flame war of Ubuntu vs Fedora vs whatever. What I am interested in is whether or not I should move my current Ubuntu server to Fedora. I have been able to get Subversion setup and hosted via Apache over https and it works quite well (I'm a .NET guy so this was all new to me). I'm having trouble though with installing Bugszilla - have run into some issues getting all the perl scripts to run successfully so my questions are: 1) Will Bugszilla will install easier on Fedora? Can I just install a package instead of having to download the tar.gz file and untar it, run perl scripts, etc. 2) Is Fedora considered to be a better production server system? I have no desire for a GUI, just need it to host Subversion, Bugzilla over Apache2, and act as a file and print server for my home network.

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  • Solr 3 with jetty and ubuntu 11.10

    - by john
    I'd like to install solr 3. It will accept connections only locally. I read that jetty takes less memory than tomcat. I have Ubuntu 11.10 server. There is no clear tutorial about it anywhere on the internet. Most of them are old and talking about other combinations. I tried some of them, but didn't succeed in making it work. I'd prefer using packages with apt-get, but if the packages are not updated, I may install each part manually. Also, some tutorials say to install openjdk-6-jdk and other sun-java6-jdk. What's the difference? What are the steps to set up solr 3 + jetty in ubuntu 11.10?

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  • Como instalar Windows (x86/x64) sobre Linux (Ubuntu)

    - by yorrany
    I installed Ubuntu edition (10.04) on my windows 7, completely eliminating it to the original installation. After I was forced to reverse the process, but could not find tools or explanations of how to do it. To clarify the equipment, it is: a netbook, acer, no optical drive cd / dvd, the process should be fully via USB. I hope I was clear enough, count on the support of you. Thank you. -- Instalei a edição Ubuntu (10.04) sobre meu Windows 7, eliminando completamente a a instalação original. Depois fui forçado à reverter o processo, mas não encontrei ferramentas ou explicações de como fazê-lo. Para esclarecer sobre o equipamento, trata-se de: um netbook, acer, sem leitor óptico de cd/dvd, o processo deverá ser totalmente via USB. Espero ter sido bastante claro, conto com o suporte de vocês. Muito obrigado.

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  • Persuading openldap to work with SSL on Ubuntu with cn=config

    - by Roger
    I simply cannot get this (TLS connection to openldap) to work and would appreciate some assistance. I have a working openldap server on ubuntu 10.04 LTS, it is configured to use cn=config and most of the info I can find for TLS seems to use the older slapd.conf file :-( I've been largely following the instructions here https://help.ubuntu.com/10.04/serverguide/C/openldap-server.html plus stuff I've read here and elsewhere - which of course could be part of the problem as I don't totally understand all of this yet! I have created an ssl.ldif file as follows; dn:cn=config add: olcTLSCipherSuite olcTLSCipherSuite: TLSV1+RSA:!NULL add: olcTLSCRLCheck olcTLSCRLCheck: none add: olcTLSVerifyClient olcTLSVerifyClient: never add: olcTLSCACertificateFile olcTLSCACertificateFile: /etc/ssl/certs/ldap_cacert.pem add: olcTLSCertificateFile olcTLSCertificateFile: /etc/ssl/certs/my.domain.com_slapd_cert.pem add: olcTLSCertificateKeyFile olcTLSCertificateKeyFile: /etc/ssl/private/my.domain.com_slapd_key.pem and I import it using the following command line ldapmodify -x -D cn=admin,dc=mydomain,dc=com -W -f ssl.ldif I have edited /etc/default/slapd so that it has the following services line; SLAPD_SERVICES="ldap:/// ldapi:/// ldaps:///" And everytime I'm making a change, I'm restarting slapd with /etc/init.d/slapd restart The following command line to test out the non TLS connection works fine; ldapsearch -d 9 -D cn=admin,dc=mydomain,dc=com -w mypassword \ -b dc=mydomain,dc=com -H "ldap://mydomain.com" "cn=roger*" But when I switch to ldaps using this command line; ldapsearch -d 9 -D cn=admin,dc=mydomain,dc=com -w mypassword \ -b dc=mydomain,dc=com -H "ldaps://mydomain.com" "cn=roger*" This is what I get; ldap_url_parse_ext(ldaps://mydomain.com) ldap_create ldap_url_parse_ext(ldaps://mydomain.com:636/??base) ldap_sasl_bind ldap_send_initial_request ldap_new_connection 1 1 0 ldap_int_open_connection ldap_connect_to_host: TCP mydomain.com:636 ldap_new_socket: 3 ldap_prepare_socket: 3 ldap_connect_to_host: Trying 127.0.0.1:636 ldap_pvt_connect: fd: 3 tm: -1 async: 0 TLS: can't connect: A TLS packet with unexpected length was received.. ldap_err2string ldap_sasl_bind(SIMPLE): Can't contact LDAP server (-1) Now if I check netstat -al I can see; tcp 0 0 *:www *:* LISTEN tcp 0 0 *:ssh *:* LISTEN tcp 0 0 *:https *:* LISTEN tcp 0 0 *:ldaps *:* LISTEN tcp 0 0 *:ldap *:* LISTEN I'm not sure if this is significant as well ... I suspect it is; openssl s_client -connect mydomain.com:636 -showcerts CONNECTED(00000003) 916:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:188: I think I've made all my certificates etc OK and here are the results of some checks; If I do this; certtool -e --infile /etc/ssl/certs/ldap_cacert.pem I get Chain verification output: Verified. certtool -e --infile /etc/ssl/certs/mydomain.com_slapd_cert.pem Gives "certtool: the last certificate is not self signed" but it otherwise seems OK? Where have I gone wrong? Surely getting openldap to run securely on ubuntu should be easy and not require a degree in rocket science! Any ideas?

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