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• Problem upgrading kernel on debian 3.1

  - by exhuma

  Hi, I have a quite old box in a remote server farm. So I have no direct access. Only remote SSH (and via SSH to a serial console). I haven't updated this box in ages. Now, whenever I want to install a new package, a dependency to glibc appears. Unfortunately, the install of glibc depends on a 2.6 kernel and I am running a venerable 2.4 kernel (one more reason to upgrade). The problem is, that the install of a new kernel has an indirect (over locales) dependency to glibc. So, to install glibc, I need a new kernel. For a new kernel, I need to upgrade glibc. Essentially I am blocked. What's the best way to proceed considering I have no "hardware" access? Here's a quick transcript of the upgrade process: [green:~]% sudo aptitude install linux-image-686 Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done The following packages are unused and will be REMOVED: gcc-4.3-base The following NEW packages will be automatically installed: dash libc6-i686 libparse-recdescent-perl linux-image-2.6-686 linux-image-2.6.18-6-686 module-init-tools yaird The following packages have been kept back: adduser apache2 apache2-mpm-prefork apache2-utils apache2.2-common apt apt-utils aptitude autoconf autotools-dev awstats base-files base-passwd [...snip...] util-linux vacation vim vim-common wamerican wbritish wget whiptail whois wwwconfig-common zlib1g The following NEW packages will be installed: dash libc6-i686 libparse-recdescent-perl linux-image-2.6-686 linux-image-2.6.18-6-686 linux-image-686 module-init-tools yaird The following packages will be upgraded: hotplug libc6 2 packages upgraded, 8 newly installed, 1 to remove and 277 not upgraded. Need to get 0B/22.7MB of archives. After unpacking 52.1MB will be used. Do you want to continue? [Y/n/?] Writing extended state information... Done Preconfiguring packages ... (Reading database ... 34065 files and directories currently installed.) Preparing to replace libc6 2.3.6.ds1-13 (using .../libc6_2.7-18lenny2_i386.deb) ... Checking for services that may need to be restarted... Checking init scripts... WARNING: init script for postgresql not found. [ --- libc6 config screen appears here --- ] WARNING: POSIX threads library NPTL requires kernel version 2.6.8 or later. If you use a kernel 2.4, please upgrade it before installing glibc. The installation of a 2.6 kernel _could_ ask you to install a new libc first, this is NOT a bug, and should *NOT* be reported. In that case, please add etch sources to your /etc/apt/sources.list and run: apt-get install -t etch linux-image-2.6 Then reboot into this new kernel, and proceed with your upgrade dpkg: error processing /var/cache/apt/archives/libc6_2.7-18lenny2_i386.deb (--unpack): subprocess pre-installation script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/libc6_2.7-18lenny2_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Ack! Something bad happened while installing packages. Trying to recover: dpkg: dependency problems prevent configuration of locales: locales depends on glibc-2.7-1; however: Package glibc-2.7-1 is not installed. dpkg: error processing locales (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: locales Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done Now, if I follow the instrunctions as promted I get the following. Note that I am using aptitude instead of apt-get to benefit from the better dependency tracking. I did try with apt-get first. But that let me to the same problem. [green:~]% sudo aptitude install -t etch linux-image-2.6.26-2-686 Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done E: Unable to correct problems, you have held broken packages. E: Unable to correct dependencies, some packages cannot be installed E: Unable to resolve some dependencies! Some packages had unmet dependencies. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following packages have unmet dependencies: linux-image-2.6.26-2-686: Depends: initramfs-tools (>= 0.55) but it is not installable or yaird (>= 0.0.13) but it is not installable or linux-initramfs-tool which is a virtual package. Any ideas?

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• HP ProLiant DL320e G8 v2 - USB2.0 during POST

  - by user3513346

  Initially my USB2.0 ports were working during POST (and boot). However, now they appear not to be. I first noticed this when I could not access the RBSU by pressing F9 during POST. Then found that I couldn't boot from USB either (I was able to do both of these initially). When performing the boot via iLo remote console I can access all of the setups (i.e., all of the F(X)'s) and can boot virtual media from a 'removable drive'. Keyboard works fine once the OS is booted. Not really sure what to try here. Any advice would be greatly appreciated. Thanks. Nick.

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• (Open Source) Cloud-Filesystem to run a Database on Top?

  - by jens

  Hello, what are current "technologies and implementations" to get a filesystem with unlimited capacity by using single servers with their harddisk to form a "grid/cloud filesystem"? I need to have unlimited space (by adding further servers) but it must be a filesysem that is capable of running a database on top. I know of Apache Hadoop but that seems not be be Ideal for running a DB on top of it (or am I wrong??) And iSCSI seems to be "remote/networked" but I do not know how and if this is clusterable? thank you very much!! jens

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• (Open Source) Cloud-Filesystem to run a Database on Top?

  - by jens

  Hello, what are current "technologies and implementations" to get a filesystem with unlimited capacity by using single servers with their harddisk to form a "grid/cloud filesystem"? I need to have unlimited space (by adding further servers) but it must be a filesysem that is capable of running a database on top. I know of Apache Hadoop but that seems not be be Ideal for running a DB on top of it (or am I wrong??) And iSCSI seems to be "remote/networked" but I do not know how and if this is clusterable? thank you very much!! jens

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• windows service log on as user a/c on different PC on same workgroup

  - by maruti

  trying to run a service (logon as admin@PC2) from PC1, when both are in work-group fails. why could this happen? OS is win-2003 and please let me know if any windows remote services have to be turned on or firewall configuration? does having PC's on same workgroup help? let me clarify the question: I am unable to see other computers from "Services Logon Tab select User" Object types available are only "users, built in security principals" Location is only local computer. But this is available from mmc console..add snap in how can this be available on services control panel?

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• Are periodic full backups really necessary on an incremental backup setup?

  - by user2229980

  I intend to use an old computer I have as a remote backup server for myself and a few other people. We are all geographically separated, and the plan is to do incremental daily backups using rsync and ssh. My original idea was to make one initial full backup then never again have to deal with the overhead of doing it, and from that moment on only copy the files changed since the last backup. I've been told that this could be bad, but I fail to understand why. Since each snapshot is comprised of hard links to the unchanged files plus the original changed ones, isn't it going to be identical to a new full backup? Why would I want to make another full backup?

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• Debian date jumping, causing complete lockup

  - by artfulrobot

  I have a Debian Squeeze VM that has suddenly chosen to jump it's date forwards just over a month, which seems to confuse it no end and cause it to require a hard reset (yikes!). There is nothing unusual in the logs, except that the datestamp suddenly jumps (today back to 2005). It's happened three times, so I don't think it's to do with the leap second issue as the last one of those was in July. When it happened once I spent ages checking stuff but could not find anything, decided to forget it. But three times is becoming an issue on a production server. Edits providing information requested in comments (thanks!): I do not have control over the hypervisor, it is a hired VM. # cat /sys/devices/system/clocksource/clocksource0/current_clocksource kvm-clock # ntpq -p remote refid st t when poll reach delay offset jitter ============================================================================== +grendel.exizten 130.149.17.8 2 u 29 64 77 14.811 1.778 1.744 *panoramix.linoc 193.67.79.202 2 u 32 64 77 19.729 -0.419 1.691 +robert.elnounch 213.251.128.249 2 u 27 64 77 17.762 0.600 1.722 -janetzki.eu 83.169.43.165 3 u 31 64 77 27.214 3.575 1.638

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• How can I solve Windows PPTP VPN issues?

  - by Robin M

  I'm having persistent problems with Windows PPTP VPN connections. The VPN appears up whilst the tunnel won't transfer traffic (ping to a remote IP within the VPN works for a while, and then fails). The client receives routing information via DHCP. When the connection fails, the routing table is still correct so I don't think it's a routing problem. My internet connection is via an ADSL2 line. There's software to deal with PPTP problems, like TunnelRat, but I don't want to install v1.1 of the .NET framework and I'd rather get to the bottom of the problem (I have multiple VPN connections and some are more unreliable than others). What can I do to get to the bottom of this? Alternatively, what can I do to keep the connection alive?

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• Can you link an NTFS junction point to a directory on a Network Attached Storage?

  - by Zachary Burt

  I'm using Windows, and I want to use Dropbox to back up a folder outside my Dropbox directory. So I want to create a junction point from my target directory to my Dropbox folder. Accoding to the Wikipedia article on NTFS junction points, which the Dropbox answer links to: "Junction points can only link to directories on a local volume; junction points to remote shares are unsupported." I am looking to link to a directory on networked attached storage, which would not be a local volume, I believe. What should I do?

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• SSH use only my password, Ignore my ssh key, don't prompt me for a passphrase

  - by Stefan Lasiewski

  This is a question regarding the OpenSSH client on Linux, MacOSX and FreeBSD. Normally, I log into systems using my SSH key. Occasionally, I want my SSH client to ignore my SSH key and use a password instead. If I 'ssh hostname', my client prompts me for the Passphrase to my SSH key which is an annoyance. Instead, I want the client to simply ignore my SSH key, so that the server will ask me for my password instead. I tried the following, but I am still prompted for the passphrase to my SSH key. After this, I am prompted for my password. ssh -o PreferredAuthentications=password host.example.org I want to do this on the client side, without any modification of the remote host.

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• Hiera + Puppet classes

  - by Amadan

  I'm trying to figure out Puppet (3.0) and how it relates to built-in Hiera. So this is what I tried, an extremely simple example (I'll make a more complex hierarchy when I manage to get the simple one working): # /etc/puppet/hiera.yaml :backends: - yaml :hierarchy: - common :yaml: :datadir: /etc/puppet/hieradata # /etc/puppet/hieradata/common.yaml test::param: value # /etc/puppet/modules/test/manifests/init.pp class test ($param) { notice($param) } # /etc/puppet/manifests/site.pp include test If I directly apply it, it's fine: $ puppet apply /etc/puppet/manifests/site.pp Scope(Class[Test]): value If I go through puppet master, it's not fine: $ puppet agent --test Could not retrieve catalog from remote server: Error 400 on SERVER: Must pass param to Class[Test] at /etc/puppet/manifests/site.pp:1 on node <nodename> What am I missing? EDIT: I just left the office but a thought struck me: I should probably restart puppet master so it can see the new hiera.conf. I'll try that on Monday; in the meantime, if anyone figures out some not-it problem, I'd appreciate it :)

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• samba shares dissapear everynight

  - by Crash893

  I have ubuntu 8.04lts and recently a weird problem has been cropping up. every night something happens and in the morning my coworkers cant see the shares. If i try to remote into the machine via ssh i don't get a prompt . when i rebooted the machine i would get a "video cannot be displayed in this mode" screen and no other activity on the box. I booted from grub into recovery and tried doing a package repair (keeping my smb.conf) and that didn't seem to do anything after a few other reboots I was able to get it to come up (im not sure what i did) yesterday it did teh same thing i booted to recovery then did a repair xserver and it came right up so i thought that resovled the issue but then today same thing anyone have any idea on what i can look for (im very new to linux in general) worst case sennerio can i just reinstall ubuntu over again with out blowing out the data?

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• Transmission-daemon not picking up on watch directory

  - by Mild Fuzz

  Trying to get my transmission-daemon to pick up files from a dropbox folder, to make remote starting easier (it's a headless system). As far as I can tell, the settings.json file is as expected, but none of the files I place in the folder get picked up. I have checked that dropbox is syncing correctly. Here is the whole settings.json file, but the relevant lines are included below: "watch-dir": "/home/john/Dropbox/torrents", "watch-dir-enabled": true Update It appears to be a permissions issue. From /var/log/syslog: Unable to watch "/home/john/Dropbox/torrents": Permission denied (watch.c:79) I have tried stopping the daemon - sudo service transmission-daemon stop - changing permissions of folder using chown - sudo chown -R john /home/john/Dropbox/torrents - restarting daemon - sudo service transmission-daemon start Same result, however Update 2 Permissions for the folder are: drwsrwsrwx 2 john debian-transmission 4096 2012-04-09 19:40

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• Why is ntpd not updating the time on my server?

  - by John

  I have ntpd running on my server. It's all the default settings, except I commented out its ability to be a server to other machines: # restrict -4 default kod notrap nomodify nopeer noquery # restrict -6 default kod notrap nomodify nopeer noquery restrict default ignore If I run ntpdate -q ntp.ubuntu.com, I'm told that my machine's clock is off by 7 seconds. What's going on? How can I diagnose what's happening, is there a log I can turn on? more info #1 # ntpq -np remote refid st t when poll reach delay offset jitter ============================================================================== 91.189.94.4 193.79.237.14 2 u 30 64 7 108.518 -0.136 0.361 more info #2 Here's what this looked like when I asked the question: # ntpdate -q ntp.ubuntu.com server 91.189.94.4, stratum 2, offset 7.191308, delay 0.13310 10 Jan 20:38:09 ntpdate[31055]: step time server 91.189.94.4 offset 7.191308 sec And here's what it looks like now, after restarting ntpd a couple times (I'm assuming that's what fixed it): # ntpdate -q ntp.ubuntu.com server 91.189.94.4, stratum 2, offset 0.000112, delay 0.13164 10 Jan 20:47:03 ntpdate[31419]: adjust time server 91.189.94.4 offset 0.000112 sec

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• Postfix how to triggering my script when outgoing email status is sent?

  - by Laszlo Malina

  I want to run a program when postfix has successfully sent out a mail (local or remote). I would like to pass the headers to program and if possible also the destination ip or address (exclude spam filter delivery). I just have an idea: Delivery Status Notification processing via uniqe transport program, but I'd prefer the above. My goal is to be recorded lifetime (events) of email: it came, it went out (from, to, subject, datetime, message id, message status: bounce, sent). I would only need the state of the outgoing mail, because incoming and bounce program is working. It is possible to trigger a program (similar to a transport pipe/spawn) or DSN "cheat" stay? Thanks in advance for any reply!

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• PowerShell Remoting: No credentials are available in the security package

  - by TheSciz

  I'm trying to use the following script: $password = ConvertTo-SecureString "xxxx" -AsPlainText -Force $cred = New-Object System.Management.Automation.PSCredential("domain\Administrator", $password) $session = New-PSSession 192.168.xxx.xxx -Credential $cred Invoke-Command -Session $session -ScriptBlock { New-Cluster -Name "ClusterTest" -Node HOSTNAME } To remotely create a cluster (it's for testing purposes) on a Windows Server 2012 VM. I'm getting the following error: An error occurred while performing the operation. An error occurred while creating the cluster 'ClusterTest'. An error occurred creating cluster 'ClusterTest'. No credentials are available in the security package + CategoryInfo : NotSpecified: (:) [New-Cluster], ClusterCmdletException + FullyQualifiedErrorId : New-Cluster,Microsoft.FailoverClusters.PowerShell.NewClusterCommand All of my other remote commands (installing/making changes to DNS, DHCP, NPAS, GP, etc) work without an issue. Why is this one any different? The only difference is in the -ScriptBlock tag. Help!

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• Disable pop-up for "Faulting application" on login - Windows Server 2003

  - by Mikael Svenson

  I have a service running on a Windows 2003 server. The service executes a .exe file to process some data. Sometimes the .exe crashes due to incorrect input and it logs an error to the Application Log which is fine. If I remote login to the server I get a pop-up of the .exe file crash, for each crash which has occured since I last logged in. The crashes can safely be ignored and I'd like to ignore these pop-ups. Is there a way to disable these pop-ups?

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• Stop a particular key getting captured by rdesktop

  - by user18151

  Hello, I want F12 to be not capture by my rdesktop while in fullscreen, so that I can do whatever stuff I'm doing on my remote Windows computer, but pressing F12 would bring down yakuake, and I can type down my commands, or use vim etc for whatever I'm doing. Is there any possible way to do this? I tried playing with keymaps, but that didn't help. I set F12 to inhibit, but that seems to have stopped sending F12 altogether, rather than let gnome catch it and let yakuake pop up. Would be really grateful for answers. I am ready to do my homework, if someone could please just give me pointers etc. Thanks :). Sidenote: My current arranement stems from my large monitor in lab, and small personal laptop monitor, and the laptop has Windows 7. My lab computer has Linux, on which I do my coding work.

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• Windows service running as network service - how does it authenticate? Breaking change in W2K8?

  - by Max

  A Windows service running as "Network Service" talks to services on other machines (here: SQL Server and Analysis Services), using Windows authentication. For authentication, we have to grant permissions to the machine account of the service. E.g. if service runs on server MYSERVER in domain MYDOMAIN, it'll authenticate itself as "MYDOMAIN\MYSERVER$". - Am I correct, so far? Now here's my question: does this still apply when talking to a service on the SAME machine? Or will it authenticate with something like "NT AUTHORITY\Network Service" instead when connecting to a local service? And: is there any chance this is a breaking change from Windows 2003 to Windows 2008? We're having an actual issue in our system where the account was able to connect to local services with only the machine account having permissions in W2K3. In W2K8, this doesn't seem to work anymore: authentication to local services now fails, but still works to remote machines.

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• "Play on another device" function not working with Samsung Allshare

  - by Tural Teyyuboglu

  Briefly I can't get work "Play on another device" function More detailed My Samsung TV (which support network) and PC are in the same network. The problem is, I can play PC contents from TV. But when I try to control TV remotely from Allshare software (PC), it shows TV only as connected device: But not as remote player in "players" list The result Tried to turn off firewall completely, reset router, re-install software. No success. Please help. BTW. On this link they kinda explained how to do it, but I software doesn' detect the TV as player in my case: http://www.samsung.com/global/allshare/pcsw/quickguide.html

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• dragonflyBSD NFS server and windows 2008 client promission deny

  - by altman

  I have setup a dragonflyBSD NFS server and a windows 2008 NFS client(it's in the linux-KVM). The dragonflyBSD exports file like this: /tank -mapall=root windows-client and i setup my windows 2008 a NFS client all right. There is my win cmd to mount NFS. mount \\dragonfly-server\tank e:\ After finished my configuration. I found the windows client can mount the remote tank partition. And i can create a file or a dir. But when i try to delete the file i just create. It alerts permission deny. You must have the permission.And the same result when i try to write to the text i create in the NFS partition I don't know why i just can create the file through NFS, but can't do any thing else. Is there any body can help?

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• Postfix, saslauthd, mysql, smtp authentication problems

  - by italiansoda

  Trying to get authentication on my mail server (ubuntu 10.04) running but am having trouble. I have a server with postfix for smtp setup, imap server with courier setup. My postfix authentication is using cyrus (I haven't tried dovecot really) saslauth. The user name and password is stored in a MySql database. Logging in with imap-ssl works on a remote client (thunderbird), and I can read my mail. I can't get the SMTP side working, and have focused the issue down to saslauth. Testing with testsaslauthd -u 'username' -p 'passowrd' -s smtp returns connect() : Permission denied the password in the database is encrypted and I guess this testsaslauthd will take a plain text password and encrypt it. Looking for someone to walk me through getting this working. Im new to the mail server, and have never got one fully working. Thanks. Ask me which log files I should look at/post, which tests to run, permissions to check.

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• what damage can be caused if scandisk is not run before defrag

  - by Justin Gregoire

  Hello, I would like to know what the damage to a drive can be if a scandisk is not performed before a disk defrag. I have looked up some sites that say a scandisk should be run to correct any issues that may be apparent on the system, making sure that the drive is free of errors before a disk defrag is done. I have to perform a defrag on a computer without having physical access to it (using remote connection). I know that the scandisk requires a reboot to the system (causing me to lose my connection) which would be difficult to restart physically if the system does not come back on by itself once rebooted (this has happened before). Any suggestions? Thank you.

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• How to manage preventive maintenance planning for external IT support?

  - by code-gijoe

  I am a bit puzzled by the way to handle server upgrade planning for software we maintain on remote sites. This is my case: I work for a software company that has many external clients. We are trying to be more Agile in our development so we plan to release small improvements every quarter and we wish to keep our clients informed of maintenance schedules. Instead of having angry clients that believe there ROI of our support plan is low, we want to be more proactive. Lets say we have 100 machines to take care of, is there some tool to assist me in planing the maintenance with clients? Right now I get a call from a client that is unhappy requesting we upgrade them, that is when we go into panic mode and start making calls. That is when I need to check my calendar, coordinate with the other guys, call a few times, change the date again and again until everyone is happy. Can this be done better?

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• Does anyone know about nagios plugin that uses nmap and does port checking??

  - by Eedoh

  Hi to all. I need to monitor open and closed ports on dozens of hosts. I've found a Nagios plugin that does what I need, but I would have to use this script through nrpe. Some of the hosts are powered by linux and they all have perl installed. But some of them are Windows machines, and it's not convenient for me to install perl on every one of them. That's why I can not use this plugin. I hope that there's Nagios plugin that uses nmap, or something similar, so it could check ports on every host remotely, without installing plugins on remote hosts, only on server.

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