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  • Java : encore une nouvelle faille critique, 1,1 milliard d'utilisateurs concernés par cette vulnérabilité de Java 5, 6 et 7

    Faille de sécurité critique dans Java 7 Update 6 pouvant être utilisée pour installer des malwares, la désactivation de la plateforme recommandée Les experts en sécurité tirent la sonnette d'alarme pour la dernière version de la plateforme Java. Java 7 Update 6 serait sujet à une vulnérabilité activement exploitée. Les chercheurs en sécurité du cabinet FireEye ont découvert une faille de sécurité dans la plateforme pouvant être exploitée pour infecter des ordinateurs avec des logiciels malveillants. La vulnérabilité aurait été utilisée pour installer à distance le cheval de Troie Poison Ivy, qui a été utilisé dans le passé dans de nombreuses campagnes de cyberespionnage. L...

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  • Grub - multiple distros

    - by kveidem
    I had Ubuntu 12.04 BETA installed on my entire HD. Then I decided to also install Linux Mint Debian Edition 121204 (LMDE). With gparted I shrunk my /home to make room for one more distro I created the partitions needed for LMDE, but figured I could use the same swap I installed LMDE - no errors. During install I selected to install GRUB to /dev/sda Grub shows Linux Mint Debian Edition, but no sign of Ubuntu The new LMDE install will not boot I can use LMDE from USB stick, which is what I use right now My Ubuntu /home has data that is not backed up (must recover) If I can boot back into Ubuntu to back up I am OK again. Please help. From gparted (sda8 and sda9 is the new ones after shrinking sda7) /dev/sda1 ext4 20 GB Flags: boot /dev/sda2 extended 912 GB dev/sda5 ext4 20 GB dev/sda6 linux-swap 4 GB dev/sda7 ext4 585 GB dev/sda8 ext4 20 GB dev/sda9 ext4 285 GB

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  • Ubuntu crashed while 13.10 was installing and now it doesn't detect my keyboard when I boot

    - by iirelu
    I was running the 13.04 to 13.10 installer, and it slowly caused Ubuntu to break down until eventually the installer itself along with Unity crashed, forcing me to Alt+SysRq+B. Now, when I try to start Ubuntu it doesn't detect my keyboard at all. It boots up completely fine apart from that bringing me to the 13.10 login screen. The backlight on my keyboard remains on but not a single thing works, not even SysRq. I was imagining that if I could run apt-get dist-upgrade it could finish the update, but I couldn't get that far.

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  • Oracle sort Java 7 Update 7, une mise à jour d'urgence pour corriger la faille de sécurité critique dans Java

    Faille de sécurité critique dans Java 7 Update 6 pouvant être utilisée pour installer des malwares, la désactivation de la plateforme recommandée Les experts en sécurité tirent la sonnette d'alarme pour la dernière version de la plateforme Java. Java 7 Update 6 serait sujet à une vulnérabilité activement exploitée. Les chercheurs en sécurité du cabinet FireEye ont découvert une faille de sécurité dans la plateforme pouvant être exploitée pour infecter des ordinateurs avec des logiciels malveillants. La vulnérabilité aurait été utilisée pour installer à distance le cheval de Troie Poison Ivy, qui a été utilisé dans le passé dans de nombreuses campagnes de cyberespionnage. L...

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  • Faille de sécurité critique dans Java 7 : Oracle informé depuis avril 2012, et ne réagit toujours pas

    Faille de sécurité critique dans Java 7 Update 6 pouvant être utilisée pour installer des malwares, la désactivation de la plateforme recommandée Les experts en sécurité tirent la sonnette d'alarme pour la dernière version de la plateforme Java. Java 7 Update 6 serait sujet à une vulnérabilité activement exploitée. Les chercheurs en sécurité du cabinet FireEye ont découvert une faille de sécurité dans la plateforme pouvant être exploitée pour infecter des ordinateurs avec des logiciels malveillants. La vulnérabilité aurait été utilisée pour installer à distance le cheval de Troie Poison Ivy, qui a été utilisé dans le passé dans de nombreuses campagnes de cyberespionnage. L...

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  • Ubuntu will not install on my Dell Inspiron 580

    - by AndrewC
    I'm trying to install ubuntu on my Inspiron 580 (Intel Core i3 4Gb Ram Intel HD Graphics) but am having no success installing from CD or Windows installer all result in a purple rapidly flashing screen with the Ubuntu with 5 dots below it splash which doesn't change. I have tried releases 12.04.1 LTS (CD and windows installer), 11.10 (CD after reading it was certified for the 580) and today 12.10 (CD) all produce the same install failure. My Dell 1704PT monitor is connected to the intel HD board using an HDMI to DVI adaptor though I have tried a VGA cable and still got the same flashing screen. Any help gratefully received as i want to get away from Windows 7 Home Premium.

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  • How can a wix custom action dll call be made to use the debug runtime via a merge module?

    - by Benj
    I'm trying to create a debug build with a corresponding debug installer for our product. I'm new to Wix so please forgive any naivety contained herein. The debug Dlls in my project are dependent on both the VS2008 and the VS2008SP1 debug runtimes. I've created a merge module feature in wix to bundle those runtimes with my installer. <Include xmlns="http://schemas.microsoft.com/wix/2006/wi"> <!-- Include our 'variables' file --> <!--<?include variables.wxi ?>--> <!--<Fragment>--> <DirectoryRef Id="TARGETDIR"> <!-- Always install the 32 bit ATL/CRT libraries, but only install the 64 bit ones on a 64 bit build --> <Merge Id="AtlFiles_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_ATL_x86.msm" DiskId="1" Language="1033"/> <Merge Id="AtlPolicy_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_ATL_x86.msm" DiskId="1" Language="1033"/> <Merge Id="CrtFiles_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_DebugCRT_x86.msm" DiskId="1" Language="1033"/> <Merge Id="CrtPolicy_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_DebugCRT_x86.msm" DiskId="1" Language="1033"/> <Merge Id="MfcFiles_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_DebugMFC_x86.msm" DiskId="1" Language="1033"/> <Merge Id="MfcPolicy_x86" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_DebugMFC_x86.msm" DiskId="1" Language="1033"/> <!-- If this is a 64 bit build, install the relevant modules --> <?if $(env.Platform) = "x64" ?> <Merge Id="AtlFiles_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_ATL_x86_x64.msm" DiskId="1" Language="1033"/> <Merge Id="AtlPolicy_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_ATL_x86_x64.msm" DiskId="1" Language="1033"/> <Merge Id="CrtFiles_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_DebugCRT_x86_x64.msm" DiskId="1" Language="1033"/> <Merge Id="CrtPolicy_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_DebugCRT_x86_x64.msm" DiskId="1" Language="1033"/> <Merge Id="MfcFiles_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_DebugMFC_x86_x64.msm" DiskId="1" Language="1033"/> <Merge Id="MfcPolicy_x64" SourceFile="$(env.CommonProgramFiles)\Merge Modules\policy_9_0_Microsoft_VC90_DebugMFC_x86_x64.msm" DiskId="1" Language="1033"/> <?endif?> </DirectoryRef> <Feature Id="MS2008_SP1_DbgRuntime" Title="VC2008 Debug Runtimes" AllowAdvertise="no" Display="hidden" Level="1"> <!-- 32 bit libraries --> <MergeRef Id="AtlFiles_x86"/> <MergeRef Id="AtlPolicy_x86"/> <MergeRef Id="CrtFiles_x86"/> <MergeRef Id="CrtPolicy_x86"/> <MergeRef Id="MfcFiles_x86"/> <MergeRef Id="MfcPolicy_x86"/> <!-- 64 bit libraries --> <?if $(env.Platform) = "x64" ?> <MergeRef Id="AtlFiles_x64"/> <MergeRef Id="AtlPolicy_x64"/> <MergeRef Id="CrtFiles_x64"/> <MergeRef Id="CrtPolicy_x64"/> <MergeRef Id="MfcFiles_x64"/> <MergeRef Id="MfcPolicy_x64"/> <?endif?> </Feature> <!--</Fragment>--> </Include> If I'm doing a debug build of the installer, I include that feature like so: <!-- The 'Feature' that contains the debug CRT/ATL libraries --> <?if $(var.Configuration) = "Debug"?> <?include ..\includes\MS2008_SP1_DbgRuntime.wxi?> <?endif?> The only problem is that my installer also includes a custom action which is also dependent on the debug runtime: <!-- Private key installer --> <Binary Id="InstallPrivateKey" SourceFile="..\InstallPrivateKey\win32\$(var.Configuration)\InstallPrivateKey.dll"></Binary> <CustomAction Id='InstallKey' BinaryKey='InstallPrivateKey' DllEntry='InstallPrivateKey'/> So how can I package the debug run time in such a way that the custom action also has access to it?

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  • SQL Server 2008 Express + Reporting Services on Windows 7

    - by TimothyP
    I'm trying to install SQL Server Express 2008 and Reporting Services on a x64 Windows 7 Machine for development purposes. I've installed SQL Server 2008 Express with the Microsoft Web Platform Installer I had to manually enable the SQL Server Browser in the Sql Server Configuration Manager and tried to enable the SQL Server Agent but that simply doesn't work. Keeps throwing an RPC error: "The remote procedure call failed. [0x800706be]". The start mode is set to Disabled and I cannot change it. Even though I selected the SQL Server Express with advanced services in the web platform installer I could not find any reference to SQL Server Reporting Services so I used the SQL Server Installation Center x64 application to "upgrade" to SQL Server Express 2008 with advanced services... this installed many things but still I couldn't find any reference to SQL Server Reporting Services other than an application called: "Reporting Services Configuration Manager" This opens up a dialog called "Reporting Services Configuration Connection" which is asking for a server name (shows the name of my machine) and a Find button. When I click the find button I get: "Unable to connect to the Reporting Server WMI provider. Details: Invalid Namespace". I found some references on the web to solve this problem, but they refer to a directory: "%ProgamFiles%\Microsoft SQL Server\MSRS10.SQL2008\Reporting Services\" which does not exist anywhere on my system. (The directories for SQL Server are there, but there is no Reporting Services directory anywhere). What am I doing wrong here? Wasn't the web platform installer supposed to handle all this? Thnx for any advice. PS: Most google results refer to 2005 vs 2008 problems, but I never had 2005 installed on this system, it's a newly installed development machine.

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  • Web Deploy 3.0 Installation Fails

    - by jkarpilo
    I am having difficulty installing Microsoft Web Deploy 3.0 to a Windows Server 2008 R2 box. I have tried installing with both the Web Platform Installer and the MSI package but installation fails while trying to execute the MSI custom action ExecuteRegisterUIModuleCA. This server is a VM and a member of a farm but shared config is disabled while I'm installing. Here's the point at which it fails in the MSI log (starting at line 1875): MSI (s) (80:FC) [15:29:01:358]: Executing op: ActionStart(Name=IISBeginTransactionCA,,) MSI (s) (80:FC) [15:29:01:374]: Executing op: CustomActionSchedule(Action=IISBeginTransactionCA,ActionType=3073,Source=BinaryData,Target=IISBeginTransactionCA,) MSI (s) (80:A8) [15:29:01:374]: Invoking remote custom action. DLL: C:\Windows\Installer\MSI6C6A.tmp, Entrypoint: IISBeginTransactionCA MSI (s) (80:FC) [15:29:01:436]: Executing op: ActionStart(Name=IISRollbackTransactionCA,,) MSI (s) (80:FC) [15:29:01:436]: Executing op: CustomActionSchedule(Action=IISRollbackTransactionCA,ActionType=3329,Source=BinaryData,Target=IISRollbackTransactionCA,) MSI (s) (80:FC) [15:29:01:436]: Executing op: ActionStart(Name=IISCommitTransactionCA,,) MSI (s) (80:FC) [15:29:01:436]: Executing op: CustomActionSchedule(Action=IISCommitTransactionCA,ActionType=3585,Source=BinaryData,Target=IISCommitTransactionCA,) MSI (s) (80:FC) [15:29:01:436]: Executing op: ActionStart(Name=IISExecuteCA,,) MSI (s) (80:FC) [15:29:01:452]: Executing op: CustomActionSchedule(Action=IISExecuteCA,ActionType=3073,Source=BinaryData,Target=IISExecuteCA,CustomActionData=1^3^21^WebDeployment_Current^154^Microsoft.Web.Deployment.UI.PackagingModuleProvider, Microsoft.Web.Deployment.UI.Server, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35^1^1^0^^1^3^28^DelegationManagement_Current^171^Microsoft.Web.Management.Delegation.DelegationModuleProvider, Microsoft.Web.Management.Delegation.Server, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35^1^1^0^^1^7^38^system.webServer/management/delegation^4^Deny^16^MachineToWebRoot^0^^3^yes^1^7^31^system.webServer/wdeploy/backup^4^Deny^20^MachineToApplication^0^^2^no^) MSI (s) (80:84) [15:29:01:452]: Invoking remote custom action. DLL: C:\Windows\Installer\MSI6CB9.tmp, Entrypoint: IISExecuteCA 1: IISCA IISExecuteCA : Begin CA Setup 1: IISCA IISExecuteCA : CA 'ExecuteRegisterUIModuleCA' completed with return code hr=0x8007000d 1: IISCA IISExecuteCA : CA 'IISExecuteCA' completed with return code hr=0x8007000d 1: IISCA IISExecuteCA : End CA Setup CustomAction IISExecuteCA returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox) Action ended 15:29:05: InstallFinalize. Return value 3. I can't seem to find any information regarding this particular issue; can someone help point me in the right direction?

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  • Sshfs is not working..

    - by Devrim
    Hi, When I run sshpass -p 'mypass' sshfs 'root'@'68.19.40.16':/ '/dir' -o StrictHostKeyChecking=no,debug It successfully mounts but it runs on foreground. When I run without 'debug' parameter, it doesn't mount at all. Server is ubuntu 8.04 Any ideas why? UPDATE: When I run the command as ROOT it does mount. It doesn't work with other users. here is the output of an unsuccessful mount $ sshpass -p 'pass' sshfs 'root'@'68.1.1.1':/ '/s6' -o StrictHostKeyChecking=no,sshfs_debug,loglevel=debug debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to 68.1.1.1 [68.1.1.1] port 22. debug1: Connection established. debug1: identity file /var/www/vhosts/devrim.kodingen.com/.ssh/id_rsa type -1 debug1: identity file /var/www/vhosts/devrim.kodingen.com/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.7p1 Debian-8ubuntu1.2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY Warning: Permanently added '68.1.1.1' (RSA) to the list of known hosts. debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Trying private key: /var/www/vhosts/devrim.kodingen.com/.ssh/id_rsa debug1: Trying private key: /var/www/vhosts/devrim.kodingen.com/.ssh/id_dsa debug1: Next authentication method: password debug1: Authentication succeeded (password). debug1: channel 0: new [client-session] debug1: Entering interactive session. debug1: Sending environment. debug1: Sending env LANG = en_GB.UTF-8 debug1: Sending subsystem: sftp Server version: 3 debug1: channel 0: free: client-session, nchannels 1 debug1: fd 0 clearing O_NONBLOCK debug1: Killed by signal 1.

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  • MySQL is killing the server IO.

    - by OneOfOne
    I manage a fairly large/busy vBulletin forums (running on gigenet cloud), the database is ~ 10 GB (~9 milion posts, ~60 queries per second), lately MySQL have been grinding the disk like there's no tomorrow according to iotop and slowing the site. The last idea I can think of is using replication, but I'm not sure how much that would help and worried about database sync. I'm out of ideas, any tips on how to improve the situation would be highly appreciated. Specs : Debian Lenny 64bit ~12Ghz (6x2GHz) CPU, 7520gb RAM, 160gb disk. Kernel : 2.6.32-4-amd64 mysqld Ver 5.1.54-0.dotdeb.0 for debian-linux-gnu on x86_64 ((Debian)) Other software: vBulletin 3.8.4 memcached 1.2.2 PHP 5.3.5-0.dotdeb.0 (fpm-fcgi) (built: Jan 7 2011 00:07:27) lighttpd/1.4.28 (ssl) - a light and fast webserver PHP and vBulletin are configured to use memcached. MySQL Settings : [mysqld] key_buffer = 128M max_allowed_packet = 16M thread_cache_size = 8 myisam-recover = BACKUP max_connections = 1024 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M key_buffer_size = 128M join_buffer_size = 8M tmp_table_size = 16M max_heap_table_size = 16M table_cache = 96 Other : From the cloud's IO chart, we're averaging 100mb/s read. > vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 9 0 73140 36336 8968 1859160 0 0 42 15 3 2 6 1 89 5 > /etc/init.d/mysql status Threads: 49 Questions: 252139 Slow queries: 164 Opens: 53573 Flush tables: 1 Open tables: 337 Queries per second avg: 61.302. moved from superuser

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  • Netcat (nc) traditional package for RHEL 6.x?

    - by HTTP500
    I'm trying to use the Percona Apache Monitoring [Cacti] Template for Memcached. They do indeed warn that you can't use the openbsd version of the package and provide a solution for Ubuntu/Debian users, i.e.: You need nc on the server. Some versions of nc accept different command-line options. You can change the options used by configuring the PHP script. If you don’t want to do this for some reason, then you can install a version of nc that conforms to the expectations coded in the script’s default configuration instead. On Debian/Ubuntu, netcat-openbsd does not work, so you need the netcat-traditional package, and you need to switch to /bin/nc.traditional... Since the RHEL 6.x version indeed comes from openbsd (confirmed by rpm -qi nc) how does one go about getting this installed on RHEL/CentOS? Anyone else running these Percona templates on RHEL/CentOS? What did you do? alien the Debian package? Update 1: FWIW, I tried to use GNU netcat by compiling it from source but it doesn't seem to have the exact options required by the Cacti template either (i.e. there is no analogy for -C or -q1 so it seems) Update 2: I alien[ed] the netcat-traditional_1.10-38_amd64.deb package to make a .tgz and it does produce a binary "nc.traditional" and that version has the -q option but no -C Cheers

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  • Install Ubuntu 10.10 from loopback mounted ISO image

    - by Zifre
    I have a laptop with a faulty BIOS that has stopped booting from CDs even though it supports it (and it doesn't support booting from USB drives). I am trying to install Ubuntu 10.10 on it. I already had 9.10 installed. I tried using Kexec, but it refused to accept the kernel image. Eventually I found this page which shows how to make GRUB 2 boot from an ISO file. That worked fine, and I am now running the live image from the file. (If I can get this to work, it will be my new preferred way of installing Ubuntu, as it saves CDs and boots much faster.) However, I can't install it. The installer won't make changes to the hard drive, because the partition containing the ISO is mounted (and can't be unmounted because it is in use). Even if I only choose to use other partitions that are not mounted, the installer refuses to go any farther. Clearly, it should be possible using other partitions on the same disk. Is there any way to work around this issue or force the installer to go ahead?

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  • Ubuntu 12.04 cloud edition on Amazon - Apache2 - /etc

    - by jdog
    I have setup a web server on Amazon with 3 Virtual hosts. For some reason I can't get any of the sites going on it, they all show a 404 error. /var/log/apache2/error.log shows "File does not exist: /etc/apache2/htdocs" I have checked: a2ensite all my virtual hosts actually checked softlinks in sites-enabled access rights in /var/www to 777, in case user is not www-data grep -r htdocs /etc/apache2 (returns nothing) ports.conf has NameVirtualHost directive exactly matching Virtual Hosts What else could this be? ports.conf # If you just change the port or add more ports here, you will likely also # have to change the VirtualHost statement in # /etc/apache2/sites-enabled/000-default # This is also true if you have upgraded from before 2.2.9-3 (i.e. from # Debian etch). See /usr/share/doc/apache2.2-common/NEWS.Debian.gz and # README.Debian.gz NameVirtualHost 107.20.169.163:80 Listen 80 <IfModule mod_ssl.c> # If you add NameVirtualHost *:443 here, you will also have to change # the VirtualHost statement in /etc/apache2/sites-available/default-ssl # to <VirtualHost *:443> # Server Name Indication for SSL named virtual hosts is currently not # supported by MSIE on Windows XP. Listen 443 </IfModule> <IfModule mod_gnutls.c> Listen 443 </IfModule> sites-available/www.seleconlight.com <VirtualHost 107.20.169.163:80> ServerName www.seleconlight.com DocumentRoot /var/www/www.seleconlight.com CustomLog /var/log/apache2/www.seleconlight.com-access.log combined ErrorLog /var/log/apache2/www.seleconlight.com-error.log </VirtualHost>

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  • fail2ban log parsing too slow on Raspberry Pi - options? [migrated]

    - by Gordon Morehouse
    I'm running fail2ban on a Raspberry Pi at 950MHz which I cannot overclock further. The Pi is occasionally subject to SYN floods on particular ports. I've set up iptables to throttle the rate of SYNs on the port of interest; when the throttle limits are exceeded, hosts which send SYNs are dropped into the REJECT chain and the particular SYN packet which exceeded the limit is logged. fail2ban then watches for these logged SYNs and, after seeing a few, temporarily bans the host for a short time (this is a transient issue in the app I'm working with). The problem is that the SYN floods can occasionally reach rates which are too fast for fail2ban to keep up with; I'll see 20-40 log messages per second, and eventually fail2ban falls behind and becomes ineffective. To add insult to injury, it continues consuming a LOT of CPU as it tries to catch up. I have verified that DROP chained packets from hosts already banned by fail2ban are not logged, and thus do not add to its load. What are my options here? I have a few ideas, but no clear path forward. Could I make the log-parse regex "easier" so it takes fewer cycles? Would using iptables --log-prefix to put a token near the start of the log message, and/or otherwise simplifying/altering the fail2ban regex help? Here is the current fail2ban config line containing a regex: failregex = kernel:.*?SRC=(?:::f{4,6}:)?(?P<host>[\w\-.^_]+) DST.*?SYN Is there a faster way for fail2ban to watch for the packets exceeding the limits than parsing kern.log? Could fail2ban be run under PyPy instead of CPython with minimal nonstandard wizardry (the OS is Raspbian 7, so, mostly Debian 7)? Is there something better than fail2ban that I could use to watch for the packets which exceed the SYN limits, and after N exceeds in X seconds, temporarily put the offending IP into the iptables DROP bucket, and take it out when the ban timer expires? Again, I'd vastly prefer a solution that uses as much software available in Debian as possible, though I can build Debian packages in a pinch.

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  • Virtualization and best hardware sharing scenario for me

    - by azera
    Hello, Following this thread on super user, I now want to start installing all my vm on the hardware. As a remainder, i have a (powerful enough) server on which i want to install 3 OS: there is a debian (general dev testbed purposes), an ipcop (network control/firewall) and a freenas (local network file sharing). I'm wondering which scenario would be the best for me and if I will be able to share the hardware to do what i want; either a - install an hypervisor like the free vmware esx and all three vms in it, or b - install debian, and the other two running inside it with virtual box My need being that: the ipcop should handle all network traffic to the internet, meaning all traffic from my main computer but also all traffic from the other two vm the freenas shares should be accessible from the other two vm and my main computer too i don't really care about the debian access, i only need to access it from my main computer, not the other vms Will I need to install additionnal network cards for each vm or can they all share the same one happily ? (right now I have two, one linking the server to my router [which only ipcop is gonna use] and one linking it to my switch [which i would like all three to use]) As for harddrives, I was going to use 1 harddrive cut in 3 partitions to install all three OSes, then add to that the freenas drives, will it be correct ? Thanks a lot for anyone who can help me, this is kind of a vast area and I'm not sure which way to go at all

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  • Why can't I install Java?

    - by Patrick
    I've been searching high and low for someone who can help me. I've been trying for a month. A month. to install Java on my new PC to no avail. No tech support forum can seem to help me. It all started while playing tekkit one day. I kept running out of memory (using the 32-bit JRE 7 u45) so I decided to install the 64-bit version. I uninstalled the 32-bit version first, for some reason, and downloaded the 64 bit runtime. In the installer, I go through all the normal screens until the installation progress bar appears. Then, it just sits there. No progress is made. No CPU is used by the installer, or any of its dependencies. The installer will stay like this for hours, days, and in one case a whole week without doing anything at all. I've tried installing older versions, the 32-bit version, even Java 6 and none of them will install. UAC is disabled, I've run regedit, CCleaner, and any other "fix-it" program there is. It's getting to the point where I may just have to wipe my hard drives and start over. I have several applications that require java, so this is an absolute necessity. Please, please, someone have the answer. Here are my system specs: -Intel i7-3770k -AsRock z77 Extreme3 -Samsung 840 pro SSD -WD Caviar Black 1tb

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  • Unable to get prosody running on Ubuntu 10.04 (lua issues)

    - by user90374
    All this is performed on Ubuntu 10.04.4 LTS Server I installed LUA 5.1.4 following this procedure - http://ubuntuforums.org/showthread.php?t=1874860 I installed prosody following this command (after downloading the package) - sudo dpkg -i prosody_0.8.2-1_i386.deb After installation, I get the following error: I have tried to use as suggested luarock and sudo apt-get install to fix these. But still it keeps showing me these errors. Selecting previously deselected package prosody. (Reading database ... 59416 files and directories currently installed.) Unpacking prosody (from prosody_0.8.2-1_i386.deb) ... Setting up prosody (0.8.2-1) ... * Starting Prosody XMPP Server prosody ************** Prosody was unable to find luaexpat This package can be obtained in the following ways: Source: www[dot]keplerproject[dot]org/luaexpat/ Debian/Ubuntu: sudo apt-get install liblua5.1-expat0 luarocks: luarocks install luaexpat luaexpat is required for Prosody to run, so we will now exit. More help can be found on our website, at prosody[dot]im/doc/depends ************ Prosody was unable to find luasocket This package can be obtained in the following ways: Source: www[dot]tecgraf[dot]puc-rio[dot]br/~diego/professional/luasocket/ Debian/Ubuntu: sudo apt-get install liblua5.1-socket2 luarocks: luarocks install luasocket luasocket is required for Prosody to run, so we will now exit. More help can be found on our website, at prosody[dot]im/doc/depends ************ Prosody was unable to find LuaSec This package can be obtained in the following ways: Source: www[dot]inf[dot]puc-rio[dot]br/~brunoos/luasec/ Debian/Ubuntu: prosody[dot]im/download/start#debian_and_ubuntu luarocks: luarocks install luasec SSL/TLS support will not be available More help can be found on our website, at prosody[dot]im/doc/depends [fail] invoke-rc.d: initscript prosody, action "start" failed. dpkg: error processing prosody (--install): subprocess installed post-installation script returned error exit status 1 Processing triggers for man-db ... Processing triggers for ureadahead ... Errors were encountered while processing: prosody Thanks a lot for your patience and answers.

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  • Windows 7 network performance tuning for LAN

    - by Hubert Kario
    I want to tune Windows 7 TCP stack for speed in a LAN environment. Bit of background info: I've got a Citrix XenServer set up with Windows 2008R2, Windows 7 and Debian Lenny with Citrix kernel, Windows machines have Tools installed the iperf server process is running on different host, also Debian Lenny. The servers are otherwise idle, tests were repeated few times to confirm results. While testing with iperf 2008R2 can achieve around 600-700Mbps with no tuning what so ever but I can't find any guide or set of parameters that will make Windows 7 achieve anything over 150Mbps with no change in TCP window size using -w parameter to iperf. I tried using netsh autotuining to disabled, experimental, normal and highlyrestricted - no change. Changing congestionprovider doesn't do anything, just as rss and chimney. Setting all the available settings to same values as on Windows 2008R2 host doesn't help. To summarize: Windows 2008R2 default settings: 600-700Mbps Debian, default settings: 600Mbps Windows 7 default settings: 120Mbps Windows 7 default, iperf -w 65536: 400-500Mbps While the missing 400Mbps in performance I blame on crappy Realtek NIC in the XenServer host (I can do ~980Mbps from my laptop to the iperf server) it doesn't explain why Windows 7 can't achieve good performance without manually tuning window size at the application level. So, how to tune Windows 7?

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  • Vmware Workstation downloads as a txt file?

    - by George Mauer
    I just went to the vmware website because I want to try workstation over virtualbox. I signed up for a workstation trial and clicked download on the 64bit linux version. What downloaded is a 320 megabyte txt file VMware-Workstation-Full-8.0.2-591240.x86_64.txt What gives? Is anyone familiar with this pattern of delivering software? How do I run it? Here is the beginning of that file: #!/usr/bin/env bash # # VMware Installer Launcher # # This is the executable stub to check if the VMware Installer Service # is installed and if so, launch it. If it is not installed, the # attached payload is extracted, the VMIS is installed, and the VMIS # is launched to install the bundle as normal. # Architecture this bundle was built for (x86 or x64) ARCH=x64 if [ -z "$BASH" ]; then # $- expands to the current options so things like -x get passed through if [ ! -z "$-" ]; then opts="-$-" fi # dash flips out of $opts is quoted, so don't. exec /usr/bin/env bash $opts "$0" "$@" echo "Unable to restart with bash shell" exit 1 fi set -e ETCDIR=/etc/vmware-installer OLDETCDIR="/etc/vmware" ### Offsets ### # These are offsets that are later used relative to EOF. FOOTER_SIZE=52 # This won't work with non-GNU stat. FILE_SIZE=`stat --format "%s" "$0"` offset=$(($FILE_SIZE - 4)) MAGIC_OFFSET=$offset offset=$(($offset - 4)) CHECKSUM_OFFSET=$offset offset=$(($offset - 4)) VERSION_OFFSET=$offset offset=$(($offset - 4)) PREPAYLOAD_OFFSET=$offset

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  • Public static ip for vagrant box

    - by Numbata
    I have server (Debian Squeeze) with 1 ethernet card and 2 public static IPs (188.120.245.4 and 188.120.244.5). What I want: Setup virtual box (Ubuntu) with access via static IP (188.120.244.5). What I was trying: config.vm.forward_port - good idea: setup interface "eth1:1" with 188.120.244.5 on host-machine, and add to Vagrant file "config.vm.forward_port = hmm..?" config.vm.network :hostonly, "188.120.244.5" - not working. Was created new interface on host-machine with ip "188.120.244.1". Of course 188.120.244.1 IP isn't mine and I can't access my server via this IP. config.vm.network :bridged - I'm confused how this works :) What I have now: Not working configuration. Debian-host-machine# cat Vagrantfile Vagrant::Config.run do |config| config.vm.define :gitlab do |box_config| box_config.vm.box = "ubuntu" box_config.vm.host_name = "ubuntu" box_config.vm.network :bridged box_config.vm.network :hostonly, "188.120.244.5", :auto_config => false end end Debian-host-machine# ifconfig eth1 Link encap:Ethernet HWaddr 00:15:17:69:71:bb inet addr:188.120.245.4 Bcast:188.120.247.255 Mask:255.255.248.0 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 vboxnet0 Link encap:Ethernet HWaddr 0a:00:27:00:00:00 inet addr:188.120.244.1 Bcast:188.120.246.255 Mask:255.255.255.0 Ubuntu-virtual-machine# ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:ee:8d:0c inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 eth1 Link encap:Ethernet HWaddr 08:00:27:45:71:87 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 How I can access virtual box via public static IP from network? I'm using Oracle VM VirtualBox Manager 4.1.18 and Vagrant version 1.0.3. Thanks in advance for your feedback.

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  • Postfix: Using google apps for stmp errors

    - by Zed Said
    I am using postfix and need to send the mail using google apps smtp. I am getting errors after I thought I had set everything up correctly: May 11 09:50:57 zedsaid postfix/error[22214]: 00E009693FB: to=<[email protected]>, relay=none, delay=2466, delays=2462/3.4/0/0.06, dsn=4.7.0, status=deferred (delivery temporarily suspended: SASL authentication failed; cannot authenticate to server smtp.gmail.com[74.125.155.109]: no mechanism available) May 11 09:50:57 zedsaid postfix/error[22213]: 0ACB36D1B94: to=<[email protected]>, relay=none, delay=2486, delays=2482/3.4/0/0.06, dsn=4.7.0, status=deferred (delivery temporarily suspended: SASL authentication failed; cannot authenticate to server smtp.gmail.com[74.125.155.109]: no mechanism available) May 11 09:50:57 zedsaid postfix/error[22232]: 067379693D3: to=<[email protected]>, relay=none, delay=2421, delays=2417/3.4/0/0.06, dsn=4.7.0, status=deferred (delivery temporarily suspended: SASL authentication failed; cannot authenticate to server smtp.gmail.com[74.125.155.109]: no mechanism available) main.cf: # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = zedsaid.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = #relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all delay_warning_time = 4h smtpd_recipient_limit = 16 # how many error before back off. smtpd_soft_error_limit = 3 # how many max errors before blocking it. smtpd_hard_error_limit = 12 ## Gmail Relay relayhost = [smtp.gmail.com]:587 smtp_use_tls = yes smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_sasl_mechanism_filter = login smtp_tls_eccert_file = smtp_tls_eckey_file = smtp_use_tls = yes smtp_enforce_tls = no smtp_tls_CAfile = /etc/postfix/cacert.pem smtpd_tls_received_header = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport debug_peer_list = smtp.gmail.com debug_peer_level = 3 What am I doing wrong?

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  • How to restore windows.old for windows 7

    - by Jim Thio
    I reinstall windows. Then I regret that and want to go back. Fortunately the old windows is stored at windows.old I follow the instruction in http://support.microsoft.com/kb/971760 I did it all with small catches When I insert the windows 7 installer, the drive for installer is X and my hard disk is D rather than C. However, on normal windows operation the drive is C. Only when I boot through CD the partition is assigned to the letter D. There is no file bootsect on my windows installer So I can't do **D:\boot\bootsect /nt60 c:** Which should be changed to X:\boot\bootsect /nt60 C: or X:\boot\bootsect /nt60 D: depending on what it really does. As I said if I boot through windows dvd my hard disk letter is D but normally it's C. I am not even sure what that bootsect does anyway. I also can't do this one Attrib –h –s –r boot.ini.saved Copy boot.ini.saved boot.ini There is no file boot.ini or boot.ini.saved It's hidden but I don't see it if I try to look unhidden files either. Because I simply switch from windows 7 to windows 7 and the directory for windows don't change c:\windows I thought it should still work. Well, it doesn't. When windows restart it only goes to the logo and then restart the computer.

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  • Port Forwarding failing only to Ubuntu servers from Draytek router

    - by Rufinus
    I know this is a kinda unusal question, but Draytek support (..which is very eager to solve the issue) seems to reach its limits. Scenario: Draytek Vigor Multiwan router with current firmware. Multiple WAN IP Aliases on one of the wan ports DMZ (or port forwarding doesnt matter) from wan ip alias to internal host currently i have two internal hosts: 192.168.0.51 (Ubuntu) 192.168.0.53 (Debian) both should be accessible from outside via one of the wan ip aliases. both are accessible with their internal ip's at all times (!) If the router gots restartet, both external ips are forwarding to its internal hosts. But after a few minutes up to 2 hours, the ubuntu host is no longer reachable via its external interface. The debian hosts on the other hand is reachable. In what does ubuntu differs from debian ? I know at least of one user with the exact same problem. see http://ubuntuforums.org/showthread.php?p=10994279 Any ideas ? TIA EDIT: via ping diagnostics directly on vigor, 192.168.0.53 is pingable, 192.168.0.51 is not. but both hosts are perfectly reachable from anywhere inside the network. if i restart ubuntu networking it works again for a short time.... i'm out of ideas.. EDIT 2: after further investigation, i noticed a ping from .51 to the network (or a host in the internet) is enough to make the port-forwarding working again. So i will add an Cronjob as a "keep-alive" ping. This will solve the problem, but the reason for this behaivor is still in the dark. Thanks to all commentors.

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  • MySQL is killing the server IO.

    - by OneOfOne
    I manage a fairly large/busy vBulletin forums (running on gigenet cloud), the database is ~ 10 GB (~9 milion posts, ~60 queries per second), lately MySQL have been grinding the disk like there's no tomorrow according to iotop and slowing the site. The last idea I can think of is using replication, but I'm not sure how much that would help and worried about database sync. I'm out of ideas, any tips on how to improve the situation would be highly appreciated. Specs : Debian Lenny 64bit ~12Ghz (6 cores) CPU, 7520gb RAM, 160gb disk. Kernel : 2.6.32-4-amd64 mysqld Ver 5.1.54-0.dotdeb.0 for debian-linux-gnu on x86_64 ((Debian)) Other software: vBulletin 3.8.4 memcached 1.2.2 PHP 5.3.5-0.dotdeb.0 (fpm-fcgi) (built: Jan 7 2011 00:07:27) lighttpd/1.4.28 (ssl) - a light and fast webserver PHP and vBulletin are configured to use memcached. MySQL Settings : [mysqld] key_buffer = 128M max_allowed_packet = 16M thread_cache_size = 8 myisam-recover = BACKUP max_connections = 1024 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M key_buffer_size = 128M join_buffer_size = 8M tmp_table_size = 16M max_heap_table_size = 16M table_cache = 96 Other : > vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 9 0 73140 36336 8968 1859160 0 0 42 15 3 2 6 1 89 5 > /etc/init.d/mysql status Threads: 49 Questions: 252139 Slow queries: 164 Opens: 53573 Flush tables: 1 Open tables: 337 Queries per second avg: 61.302. Edit Additional info.

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