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• How do you install/configure JBoss on Linux/Unix?

  - by mafro

  I'm currently working on how install and configure multiple (30+) JBoss EAP 5 configurations (both standalone and clusters) for development, test and production at a client's site (running SuSE). I'm not to fancy about the jboss way of storing application/configuration together with system files, so I have tried to split things up (ie moving server config out of the jboss installation directory). I also would like minimize the amount of configuration needed when upgrading/patching jboss - but I'm not done thinking about that... It would be great to hear how you've done and what you think about my approach. This is how my installations look like (for the moment): Standard JBoss EAP install (minus server configs): /opt/jboss/jboss-eap-5.0/jboss-as /opt/jboss/jboss-eap-5.0/jboss-as/bin/ /opt/jboss/jboss-eap-5.0/jboss-as/lib/ /opt/jboss/jboss-eap-5.0/jboss-as/server/ [server configs removed to avoid starting them by mistake] /opt/jboss/jboss-eap-5.0/jboss-as/.../ Application (some jboss folders has been omitted - you'll get the point anyway): /app/<project>/ [$app.dir - application specific base folder] /app/<project>/jboss/ [$jboss.home] /app/<project>/jboss/bin/ -> /opt/jboss/jboss-eap-5.0/jboss-as/bin /app/<project>/jboss/lib/ -> /opt/jboss/jboss-eap-5.0/jboss-as/lib /app/<project>/jboss/server/<cfg>/ [project specific config based on 'production'] /app/<project>/jboss/server/<cfg>/log/ -> /log/<project>/<cfg> /app/<project>/jboss/server/<cfg>/... /app/<project>/jboss/.../ -> /opt/jboss/jboss-eap-5.0/jboss-as/.../ /app/<project>/bin/ [application specific scripts for start/stop etc - wraps jboss supplied scripts] /app/<project>/deploy/ [application deploy folder] /app/<project>/etc/ [application specific config] Questions: How do you install JBoss (on linux/unix systems)? Where do you put JBoss and what modifications do you do? Where do you put your applications and application specific files? Do you share JBoss instances between applications or run one instance/cluster per application? How do you manage configuration changes (i.e. your modifications of jboss standard config)?

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• OpenVPN Bridge LAN-to-LAN Configuration?

  - by Shad Reese

  I'm trying to configure an OpenVPN bridge LAN-to-LAN setup. Currently, I have the OpenVPN bridge Server/Client setup up running. On the server-side my br-lan interface has tap0, eth0, and wlan0 in the bridge group. On the client-side the br-lan interface has eth0 and wlan0 in the bridge group, the client tap0 is outside of the br-lan group. Currently the two bridge groups are connected via the wlanO interfaces (server-side is the Access Point - AP and the client-side is the wireless client). My goal is to connect the two bridge groups with a wireless VPN pipe. My network configuration: Server: br-lan: 10.4.96.50 Client: br-lan: 10.4.96.75 tap0: 10.4.96.100 <---- issued by the VPN server. Unfortunately, I'm stuck with using a bridge instead of a routed OpenVPN setup. My question is how (if possible) do I add the client tap0 interface to the client bridge group, as to ensure all traffic between the server/client bridge groups is using the VPN pipe? SERVER CONFIG FILE. config openvpn sample_server # Set to 1 to enable this instance: option enable 1 option port 1194 option proto udp option dev tap0 option key /etc/easy-rsa/keys/server.key option dh /etc/easy-rsa/keys/dh1024.pem option ifconfig_pool_persist /tmp/ipp.txt option server_bridge "10.4.96.50 255.255.255.0 10.4.96.100 10.4.96.200" list push "redirect-gateway local def1" list push "dhcp-option DNS 10.4.96.14" option duplicate_cn 1 option comp_lzo 1 option max_clients 100 option log /tmp/openvpn.log option verb 3 CLIENT CONFIG FILE: config 'openvpn' 'sample_client' option 'enable' '1' option 'client' '1' option 'dev' 'tap' option 'proto' 'udp' list 'remote' '10.4.96.50 1194' option 'status' /tmp/openvpn-status.log option 'log' /tmp/openvpn.log option 'ca' '/etc/easy-rsa/keys/ca.crt' option 'cert' '/etc/easy-rsa/keys/client.crt' option 'key' '/etc/easy-rsa/keys/client.key' option 'comp_lzo' '1' option 'verb' '5' Thanks in advance,

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• Ubuntu: package installed, but files missing?

  - by jeckyll2hide

  I have been playing around with the /etc/asterisk directory, installing the related pacakge (asterisk-config), removing it, removing the directory manually (just playing around to get the configuration synced to my configuration repo). Now I just want to reinstall the official package, so I do: root@tethys:/etc# apt-get install asterisk-config root@tethys:/etc# tree asterisk/ asterisk/ +-- manager.d What?! Empty?!? Have I installed it? root@tethys:/etc# dpkg --get-selections | grep asterisk asterisk install asterisk-config install asterisk-core-sounds-en install asterisk-core-sounds-en-gsm install asterisk-modules install asterisk-moh-opsound-gsm install asterisk-voicemail install Indeed! Let me check the contents of the package: root@tethys:/etc# dpkg -L asterisk-config ... /etc /etc/asterisk /etc/asterisk/res_snmp.conf /etc/asterisk/dbsep.conf /etc/asterisk/cel_custom.conf /etc/asterisk/cel.conf /etc/asterisk/meetme.conf /etc/asterisk/jingle.conf /etc/asterisk/queuerules.conf ... So, what have I done that the package will get installed, but the contents are nowhere to be seen? And, more importantly, how can I force the contents to be installed, no matter what I have done before?

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• port forwarding with VirtualBox

  - by Argh

  I have a virtualbox VM running ubuntu. The Ubuntu guest is running a web server which listens on port 3000 (http://127.0.0.1:3000) The host machine is windows vista. I have configured port forwarding using VBoxManage. If I query the config using VboxManage getextradata "MyMachine", I get Key: GUI/AutoresizeGuest, Value: on Key: GUI/Fullscreen, Value: off Key: GUI/LastCloseAction, Value: shutdown Key: GUI/LastWindowPostion, Value: 9,34,640,529,max Key: GUI/MiniToolBarAlignment, Value: bottom Key: GUI/MiniToolBarAutoHide, Value: off Key: GUI/SaveMountedAtRuntime, Value: yes Key: GUI/Seamless, Value: off Key: GUI/ShowMiniToolBar, Value: yes Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/GuestPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/HostPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/Protocol, Value: TCP This looks like it should work... However when I try to access the web server from the host machine (windows box) I dont get a response. I ran a netstat on the windows box and nothing appears to be listening on port 3000 which explains why forwrding isnt working. Note that I have already tested with my firewall switched off... The version of VirtualBox I am using is 3.1.4 Any ideas?

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• How to Creat custom content for nginx error 502 page, keep origin url on browser

  - by user123862

  i'm trying to get custom language and message for nginx error page but keep url on browser.. not success for eg: i go to url : xaluan.com/aaa/bbb.html on the time server down.. nginx will show error 502. with the same url but custom message as my language. test 1. I created a custom page at /usr/local/nginx/html/205.html as following config but it show on web site when error is default nginx error at domain.com/50.html ( the content of webpage not same as i created) error_page 502 /502.html; location = /502.html { root /usr/local/nginx/html; } test 2. Then i create same page at my www domain folder /home/xaluano/public_html/502.html but this keep redirect me to root domain.com/502.html the content now same as i created. but.. the url still not as i need error_page 502 /502.html; location = /502.html { root /home/xaluano/public_html; internal; } EDIT UPDATE for more detail 10/06/2012 please download my nginx config http://pastebin.com/7iLD6WQq and vhost config following: http://pastebin.com/ZZ91KiY6 == the case test.. if apache httpd service stop: #service httpd stop then open browser go to: xaluan.com/modules.php?name=News&file=article&sid=123456 I will see the 502 error with the same url on browser address == Custome error page I need the config which help when apache fail .. will show the custom message tell user wail for 1 minute for service back then refress current page with same url ( refresh I can do easy by javascript ), Nginx dosent change url so java-script can work out. any help will be great.. thank in advance

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• IIS 7.5 / Windows 7: Error 500.19, error code 0x800700b7

  - by nikhiljoshi

  I have been trying to resolve this issue. I am using Windows 7 and VS2008 +iis7.5. My project is stuck because of this error. The error says: Error Summary HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. `Detailed Error Information Module IIS Web Core Notification BeginRequest Handler Not yet determined Error Code 0x800700b7 Config Error There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined Config File \\?\C:\inetpub\wwwroot\test23\web.config Requested URL http://localhost:80/test23 Physical Path C:\inetpub\wwwroot\test23 Logon Method Not yet determined Logon User Not yet determined Config Source 15: <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> 16: <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> 17: <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> ` I followed the instructions in this Microsoft solution document, but it didn't help. http://support.microsoft.com/kb/942055

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• Virtual bridged networking with VLAN, could not ping

  - by v.yegy

  I require a virtual network with VLAN be build between two virtual hosts - which can be (lxc/ vbox -ubuntu or win xp). I tried with lxc and vbox with Ubuntu and was finding difficult to make it work without vlan, but was successful with vbox with xp. vbox-xp1 --- br1 ---------------- br2 ---- vbox-xp2 The config is: brctl addbr br1; brctl addbr br2 ifconfig br1 up; ifconfig br2 up stp br1 off; stp br2 off ip link add name br1-br2-l0 type veth peer name br1-br2-l1 sudo brctl addif br1 br1-br2-l0 sudo brctl addif br2 br1-br2-l1 vbox - xp 1 and 2 with network ; bridged and br1 and br2 respectively. The adapter is intel PRO/1000 MT Server and driver installed in guests. Configured IPs and two hosts pinged! VLAN config: ip link add link br1 name br1-2.5 type vlan id 5 brctl addif br2 br1-2.5 create vlan 5 in xp 1 and 2 and assign ip address Ping on with this config does not work. Wireshark trace on interface br1-br2-l1 / br1-2.5 shows that one ping results in ~240 ping packets and each growing by 4 bytes - first one being correct and 60, ping does not reach other host as I see mac is not learnt[arp -a]. -- if br1-2.5 is not configured, I see untagged packets in br1-br2-l1/0, but still not reaching other host as mac is not learnt. if br1-br2-l0/1 is made down, even if br1-2.5 is up, I count not see any packets. I tried with ebtables, but still could not make a correct config to work. -- If any one here are aware of any configuration, please let me know. I need to make a network of switches. Seems I have a very long way. Sorry for a very long question. Thanks and regards, vy

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• cannot send emails to other Web servers

  - by developer

  I'm trying to limit my server's open ports in CSF. The IPv4 port settings include: # Allow incoming TCP ports TCP_IN = "22,25,53,80,110,143,443,587,3654,53343” # Allow outgoing TCP ports TCP_OUT = "22,53,80,113,443,465,995,3654" # Allow incoming UDP ports UDP_IN = "53" # Allow outgoing UDP ports # To allow outgoing traceroute add 33434:33523 to this list UDP_OUT = "53,113,123" As you see, I have port 25 open in TCP_IN but have removed it from TCP_OUT. The reason is I wanted to have my mails transmitted over smtps, so I have port 465 opened instead in TCP_OUT. Since I am using Rouncube in Directpanel, I have also set the following in Rouncube's config.inc.php: $config['default_host'] = 'ssl://mail.mydomain.com'; $config['smtp_server'] = 'ssl://mail.mydomain.com'; $config['smtp_port'] = 465; However, when I remove port 25 from TCP_OUT, I no longer can send mails, say, to gmail, though I can send mails to own. But I can receive all mails. Please let me know if I need to make any further changes. Do I need to disable port 25 at all, to have my mails sent via ssl. Thanks

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• nginx reverse ssl proxy with multiple subdomains

  - by BrianM

  I'm trying to locate a high level configuration example for my current situation. We have a wildcard SSL certificate for multiple subdomains which are on several internal IIS servers. site1.example.com (X.X.X.194) -> IISServer01:8081 site2.example.com (X.X.X.194) -> IISServer01:8082 site3.example.com (X.X.X.194) -> IISServer02:8083 I am looking to handle the incoming SSL traffic through one server entry and then pass on the specific domain to the internal IIS application. It seems I have 2 options: Code a location section for each subdomain (seems messy from the examples I have found) Forward the unencrypted traffic back to the same nginx server configured with different server entries for each subdomain hostname. (At least this appears to be an option). My ultimate goal is to consolidate much of our SSL traffic to go through nginx so we can use HAProxy to load balance servers. Will approach #2 work within nginx if I properly setup the proxy_set_header entries? I envision something along the lines of this within my final config file (using approach #2): server { listen Y.Y.Y.174:443; #Internally routed IP address server_name *.example.com; proxy_pass http://Y.Y.Y.174:8081; } server { listen Y.Y.Y.174:8081; server_name site1.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer01:8081; } server { listen Y.Y.Y.174:8081; server_name site2.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer01:8082; } server { listen Y.Y.Y.174:8081; server_name site3.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer02:8083; } This seems like a way, but I'm not sure if it's the best way. Am I missing a simpler approach to this?

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• How to create custom content for nginx error 502 page, keep origin url on browser

  - by user123862

  i'm trying to get custom language and message for nginx error page but keep url on browser.. not success for eg: i go to url : xaluan.com/aaa/bbb.html on the time server down.. nginx will show error 502. with the same url but custom message as my language. test 1. I created a custom page at /usr/local/nginx/html/205.html as following config but it show on web site when error is default nginx error at domain.com/50.html ( the content of webpage not same as i created) error_page 502 /502.html; location = /502.html { root /usr/local/nginx/html; } test 2. Then i create same page at my www domain folder /home/xaluano/public_html/502.html but this keep redirect me to root domain.com/502.html the content now same as i created. but.. the url still not as i need error_page 502 /502.html; location = /502.html { root /home/xaluano/public_html; internal; } EDIT UPDATE for more detail 10/06/2012 please download my nginx config http://pastebin.com/7iLD6WQq and vhost config following: http://pastebin.com/ZZ91KiY6 == the case test.. if apache httpd service stop: #service httpd stop then open browser go to: xaluan.com/modules.php?name=News&file=article&sid=123456 I will see the 502 error with the same url on browser address == Custome error page I need the config which help when apache fail .. will show the custom message tell user wail for 1 minute for service back then refress current page with same url ( refresh I can do easy by javascript ), Nginx dosent change url so java-script can work out. any help will be great.. thank in advance

  Read the article

• Single application through OpenVPN tunnel (Debian Lenny)

  - by mikael

  I'm using Debian Lenny and I want to tunnel rtorrent only through a OpenVPN tunnel. I have a tunnel running, the config file looks like this: client dev tun proto udp remote openvpn.xxx.com 1194 resolv-retry infinite nobind persist-key persist-tun ca /etc/openvpn/xxx/keys/ca.crt cert /etc/openvpn/xxx/keys/client.crt key /etc/openvpn/xxx/keys/client.key tls-auth /etc/openvpn/xxx/keys/tls.key 1 ns-cert-type server comp-lzo verb 3 auth-user-pass script-security 3 reneg-sec 0 My idea is that I could run a sockd proxy internally that redirects traffic to the openvpn tunnel. I could use the *nix "proxifier" application "tsocks" to make it possible for rtorrent to connect through that proxy (as rtorrent doesn't support proxies). I have trouble configuring sockd as my IP inside the VPN changes every time I connect. This is a config file someone said would help: http://ircpimps.org/sockd.conf As my IP changes at each connect I don't know what to put in that config file. I have no control over the host side config file. Any help wanted. Any other method is very welcome.

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• How do I force a server to leave a SharePoint farm

  - by Stefan

  I have two web servers in a SharePoint (WSS 3.0) farm with one database server for the config and content databases. I already moved my content databases to a new database server successfully. But when I tried to move the sharepoint config database using the "stsadm deleteconfigdb" and "stsadm setconfigdb" commands, one of my servers got stuck in an intermediate state. I was able to join one of the web servers with the config database on the new server, but the other server is not able to join because it believes it is already part of the farm (which it used to be, before the move). On the central administration it says the status of the services on the server is "stopping". Even after rebooting all servers involved, uninstalling SharePoint and what not, this status does not change, and because of it, I am not able to join the second server with the new config database. I get random error messages when trying to join the farm. I believe that if I can unstuck this server, it will be able to join the farm again. The farm believes the second server is already part of it, but the web server itself knows its not. Any ideas on how to forcefully kick out a server from the farm?

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• How to Setup Sharepoint Extranet to authenticate against a dmz AD

  - by Satish

  I have a web app which is extended to extranet for our clients to access. We have setup a different AD server and domain for dmz and clients have to be authenticated against that domain. I'm little confused about the setup especially what all web.config files I have to update. Do I have to update the web.config file for Central admin site and the extended web app. According to this blog I need to do update both, but as soon as I make the changes in the web.config for central admin, central admin site stops working. Here is what I added to the central admin web.config file between /Sharepoint and system.web I have this <connectionStrings> <add name="DMZConnectionString" connectionString= "LDAP://dmz.xxx.com:389/OU=Clients,DC=dmz,DC=xxx,DC=com "/> Between system.web and securityPolicy <membership defaultProvider=”DMZADProvider“> <providers> <add name="DMZADProvider" connectionStringName="DMZConnectionString" connectionUsername="DMZ\ldapUser" connectionPassword="Password" enableSearchMethods="true" attributeMapUsername="userPrincipalName" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> </providers> </membership> I know the connectionusername and password works becuase I use the same in SSP for importing profiles. Any idea what might be causing the error?

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• Win2008/IIS7/fx2.0 - 500.19 error

  - by Keith Barrows

  I installed new boxes at the beginning of the week. 1) Web Server on Win2008 x64, IIS 7 + all updates 2) DB Server on Win2008 x64, SQL 2008 Ent + all updates I configured my websites, set up host headers and DNS entries, worked through some problems on my handlers and finally got it all running Wednesday morning. Our team has been using it since then. This morning I came in and everyone of us is getting a 500 error. Error Summary HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error Information Module IIS Web Core Notification Unknown Handler Not yet determined Error Code 0x80070005 Config Error Cannot read configuration file due to insufficient permissions Config File \?\C:\RivWorks\dev\web.config Requested URL http://dev.rivworks.com:80/login.aspx Physical Path Logon Method Not yet determined Logon User Not yet determined Config Source -1: 0: Links and More InformationThis error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error. I’ve gone through the KB articles, made sure IIS_IUSRS had read permissions and am now stumped. What bothers me is IIS is looking in \?\C:\ instead of just C:. What is happening? TIA

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• when should be choose simple php mail and when smpt with loggin+password?

  - by user43353

  Hi, My Case: web application that need to send 1,000 messages per day to main gmail account. (Only need to send email, not need receive emails - email client) 1. option - use php mail function + sendmail + config php.ini php example: <?php $to = '[email protected]'; $subject = 'the subject'; $message = 'hello'; $headers = 'From: [email protected]' . "\r\n" . 'Reply-To: [email protected]' . "\r\n" . 'X-Mailer: PHP/' . phpversion(); mail($to, $subject, $message, $headers); ?> php.ini config (ubuntu): sendmail_path = /usr/sbin/sendmail -t -i pros:don't need email account, easy to setup cons:? 2. option - use Zend_Mail + transport on smpt+ password auto php example(need include Zend_Mail classes): $config = array('auth' => 'login', 'username' => 'myusername', 'password' => 'password'); $transport = new Zend_Mail_Transport_Smtp('mail.server.com', $config); $mail = new Zend_Mail(); $mail->setBodyText('This is the text of the mail.'); $mail->setFrom('[email protected]', 'Some Sender'); $mail->addTo('[email protected]', 'Some Recipient'); $mail->setSubject('TestSubject'); $mail->send($transport); pros:? cons:? Questions: Can 1 option be filtered by gmail email server as spam? please can you add pros + cons to options above Thanks

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• How to add Sharepoint Powershell to Console2

  - by BGM

  Salvete! I want to add the Powershell Console for Sharepoint to the tablist in Console2. I already have plain Powershell, but I want the Sharepoint Powershell snapin added automatically. If I look at the properties of the Sharepoint Powershell Console shortcut, I see this: C:\Windows\System32\WindowsPowerShell\v1.0\PowerShell.exe -NoExit " & ' C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration\\sharepoint.ps1 ' " but that doesn't work in Console2, so I tried this, which doesn't work either: C:\WINDOWS\system32\windowspowershell\v1.0\powershell.exe -PSConsoleFile "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration\psconsole.psc1" -NoExit " & ' C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration\\sharepoint.ps1 ' " Whenever I try, it will load Powershell, but not the Sharepoint Console. I get this: Add-PSSnapin : The Windows PowerShell snap-in 'Microsoft.SharePoint.PowerShell' is not installed on this machine. At C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration\SharePoint.ps1:3 char:13 + Add-PsSnapin <<<< Microsoft.SharePoint.PowerShell + CategoryInfo : InvalidArgument: (Microsoft.SharePoint.PowerShell:String) [Add-PSSnapin], PSArgumentException + FullyQualifiedErrorId : AddPSSnapInRead,Microsoft.PowerShell.Commands.AddPSSnapinCommand I tried this out, too. Anybody know?

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• Apache Virtual host (SSL) Doc Root issue

  - by Steve Hamber

  I am having issues with the SSL document root of my vhosts configuration. Http sees to work fine and navigates to the root directory and publishes the page fine - DocumentRoot /var/www/html/websites/ssl.domain.co.uk/ (as specified in my vhost config) However, https seems to be looking for files in the main apache document root found further up the httpd.conf file, and is not being overwritten by the vhost config. (I assume that vhost config does overwrite the default doc root?). DocumentRoot: The directory out of which you will serve your documents. By default, all requests are taken from this directory, but symbolic links and aliases may be used to point to other locations. DocumentRoot "/var/www/html/websites/" Here is my config, I am quite a new Linux guy so any advise is appreciated on why this is happening!? NameVirtualHost *:80 NameVirtualHost *:443 <VirtualHost *:443> ServerAdmin root@localhost DocumentRoot /var/www/html/websites/https_domain.co.uk/ ServerName ssl.domain.co.uk ErrorLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.co.uk-error_log CustomLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.o.uk-access_log common SSLEngine on SSLOptions +StrictRequire SSLCertificateFile /var/www/ssl/ssl_domain_co_uk.crt SSLCertificateKeyFile /var/www/ssl/domain.co.uk.key SSLCACertificateFile /var/www/ssl/ssl_domain_co_uk.ca-bundle </VirtualHost> <VirtualHost *:80> ServerAdmin root@localhost DocumentRoot /var/www/html/websites/ssl.domain.co.uk/ ServerName ssl.domain.co.uk ErrorLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.xo.uk-error_log CustomLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.xo.uk-access_log common </VirtualHost>

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• Single application through OpenVPN tunnel (Debian Lenny)

  - by user14124

  I'm using Debian Lenny and I want to tunnel rtorrent only through a OpenVPN tunnel. I have a tunnel running, the config file looks like this: client dev tun proto udp remote openvpn.xxx.com 1194 resolv-retry infinite nobind persist-key persist-tun ca /etc/openvpn/xxx/keys/ca.crt cert /etc/openvpn/xxx/keys/client.crt key /etc/openvpn/xxx/keys/client.key tls-auth /etc/openvpn/xxx/keys/tls.key 1 ns-cert-type server comp-lzo verb 3 auth-user-pass script-security 3 reneg-sec 0 My idea is that I could run a sockd proxy internally that redirects traffic to the openvpn tunnel. I could use the *nix "proxifier" application "tsocks" to make it possible for rtorrent to connect through that proxy (as rtorrent doesn't support proxies). I have trouble configuring sockd as my IP inside the VPN changes every time I connect. This is a config file someone said would help: http://ircpimps.org/sockd.conf As my IP changes at each connect I don't know what to put in that config file. I have no control over the host side config file. Any help wanted. Any other method is very welcome.

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• Cisco FWSM -> ASA upgrade broke our mail server

  - by Mike Pennington

  We send mail with unicode asian characters to our mail server on the other side of our WAN... immediately after upgrading from a FWSM running 2.3(2) to an ASA5550 running 8.2(5), we saw failures on mail jobs that contained unicode. The symptoms are pretty clear... using the ASA's packet capture utility, we snagged the traffic before and after it left the ASA... access-list PCAP line 1 extended permit tcp any host 192.0.2.25 eq 25 capture pcap_inside type raw-data access-list PCAP buffer 1500000 packet-length 9216 interface inside capture pcap_outside type raw-data access-list PCAP buffer 1500000 packet-length 9216 interface WAN I downloaded the pcaps from the ASA by going to https://<fw_addr>/pcap_inside/pcap and https://<fw_addr>/pcap_outside/pcap... when I looked at them with Wireshark Follow TCP Stream, the inside traffic going into the ASA looks like this EHLO metabike AUTH LOGIN YzFwbUlciXNlck== cZUplCVyXzRw But the same mail leaving the ASA on the outside interface looks like this... EHLO metabike AUTH LOGIN YzFwbUlciXNlck== XXXXXXXXXXXX The XXXX characters are concerning... I fixed the issue by disabling ESMTP inspection: wan-fw1(config)# policy-map global_policy wan-fw1(config-pmap)# class inspection_default wan-fw1(config-pmap-c)# no inspect esmtp wan-fw1(config-pmap-c)# end The $5 question... our old FWSM used SMTP fixup without issues... mail went down at the exact moment that we brought the new ASAs online... what specifically is different about the ASA that it is now breaking this mail? Note: usernames / passwords / app names were changed... don't bother trying to Base64-decode this text.

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• Strategy to isolate multiple nginx ssl apps with single domain via suburi's?

  - by icpu

  Warning: so far I have only learnt how to use nginx to serve apps with their own domain and server block. But I think its time to dive a little deeper. To mitigate the need for multiple SSL certificates or expensive wildcard certificates I would like to serve multiple apps (e.g. rails apps, php apps, node.js apps) from one nginx server_name. e.g. rooturl/railsapp rooturl/nodejsapp rooturl/phpshop rooturl/phpblog I am unsure on ideal strategy. Some examples I have seen and or thought about: Multiple location rules, this seems to cause conflicts between the individual app config requirements, e.g. differing rewrite and access requirements Isolated apps by backend internal port, is this possible? Each port routing to its own config? So config is isolated and can be bespoke to app requirements. Reverse proxy, I am little ignorant of how this works, is this what I need to research? is this actually 2 above? Help online seems to always proxy to another server e.g apache What is an effective way to isolate config requirements for apps served from a single domain via sub uris?

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• Request Limit Length Limits for IIS&rsquo;s requestFiltering Module

  - by Rick Strahl

  Today I updated my CodePaste.net site to MVC 3 and pushed an update to the site. The update of MVC went pretty smooth as well as most of the update process to the live site. Short of missing a web.config change in the /views folder that caused blank pages on the server, the process was relatively painless. However, one issue that kicked my ass for about an hour – and not foe the first time – was a problem with my OpenId authentication using DotNetOpenAuth. I tested the site operation fairly extensively locally and everything worked no problem, but on the server the OpenId returns resulted in a 404 response from IIS for a nice friendly OpenId return URL like this: http://codepaste.net/Account/OpenIdLogon?dnoa.userSuppliedIdentifier=http%3A%2F%2Frstrahl.myopenid.com%2F&dnoa.return_to_sig_handle=%7B634239223364590000%7D%7BjbHzkg%3D%3D%7D&dnoa.return_to_sig=7%2BcGhp7UUkcV2B8W29ibIDnZuoGoqzyS%2F%2FbF%2FhhYscgWzjg%2BB%2Fj10ZpNdBkUCu86dkTL6f4OK2zY5qHhCnJ2Dw%3D%3D&openid.assoc_handle=%7BHMAC-SHA256%7D%7B4cca49b2%7D%7BMVGByQ%3D%3D%7D&openid.claimed_id=http%3A%2F%2Frstrahl.myopenid.com%2F&openid.identity=http%3A%2F%2Frstrahl.myopenid.com%2F&openid.mode=id_res&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.ns.sreg=http%3A%2F%2Fopenid.net%2Fextensions%2Fsreg%2F1.1&openid.op_endpoint=http%3A%2F%2Fwww.myopenid.com%2Fserver&openid.response_nonce=2010-10-29T04%3A12%3A53Zn5F4r5&openid.return_to=http%3A%2F%2Fcodepaste.net%2FAccount%2FOpenIdLogon%3Fdnoa.userSuppliedIdentifier%3Dhttp%253A%252F%252Frstrahl.myopenid.com%252F%26dnoa.return_to_sig_handle%3D%257B634239223364590000%257D%257BjbHzkg%253D%253D%257D%26dnoa.return_to_sig%3D7%252BcGhp7UUkcV2B8W29ibIDnZuoGoqzyS%252F%252FbF%252FhhYscgWzjg%252BB%252Fj10ZpNdBkUCu86dkTL6f4OK2zY5qHhCnJ2Dw%253D%253D&openid.sig=h1GCSBTDAn1on98sLA6cti%2Bj1M6RffNerdVEI80mnYE%3D&openid.signed=assoc_handle%2Cclaimed_id%2Cidentity%2Cmode%2Cns%2Cns.sreg%2Cop_endpoint%2Cresponse_nonce%2Creturn_to%2Csigned%2Csreg.email%2Csreg.fullname&openid.sreg.email=rstrahl%40host.com&openid.sreg.fullname=Rick+Strahl A 404 of course isn’t terribly helpful – normally a 404 is a resource not found error, but the resource is definitely there. So how the heck do you figure out what’s wrong? If you’re just interested in the solution, here’s the short version: IIS by default allows only for a 1024 byte query string, which is obviously exceeded by the above. The setting is controlled by the RequestFiltering module in IIS 6 and later which can be configured in ApplicationHost.config (in \%windir\system32\inetsvr\config). To set the value configure the requestLimits key like so: <configuration> <security> <requestFiltering> <requestLimits maxQueryString="2048"> </requestLimits> </requestFiltering> </security> </configuration> This fixed me right up and made the requests work. How do you find out about problems like this? Ah yes the troubles of an administrator? Read on and I’ll take you through a quick review of how I tracked this down. Finding the Problem The issue with the error returned is that IIS returns a 404 Resource not found error and doesn’t provide much information about it. If you’re lucky enough to be able to run your site from the localhost IIS is actually very helpful and gives you the right information immediately in a nicely detailed error page. The bottom of the page actually describes exactly what needs to be fixed. One problem with this easy way to find an error: You HAVE TO run localhost. On my server which has about 10 domains running localhost doesn’t point at the particular site I had problems with so I didn’t get the luxury of this nice error page. Using Failed Request Tracing to retrieve Error Info The first place I go with IIS errors is to turn on Failed Request Tracing in IIS to get more error information. If you have access to the server to make a configuration change you can enable Failed Request Tracing like this: Find the Failed Request Tracing Rules in the IIS Service Manager.   Select the option and then Edit Site Tracing to enable tracing. Then add a rule for * (all content) and specify status codes from 100-999 to capture all errors. if you know exactly what error you’re looking for it might help to specify it exactly to keep the number of errors down. Then run your request and let it fail. IIS will throw error log files into a folder like this C:\inetpub\logs\FailedReqLogFiles\W3SVC5 where the last 5 is the instance ID of the site. These files are XML but they include an XSL stylesheet that provides some decent formatting. In this case it pointed me straight at the offending module:   Ok, it’s the RequestFilteringModule. Request Filtering is built into IIS 6-7 and configured in ApplicationHost.config. This module defines a few basic rules about what paths and extensions are allowed in requests and among other things how long a query string is allowed to be. Most of these settings are pretty sensible but the query string value can easily become a problem especially if you’re dealing with OpenId since these return URLs are quite extensive. Debugging failed requests is never fun, but IIS 6 and forward at least provides us the tools that can help us point in the right direction. The error message the FRT report isn’t as nice as the IIS error message but it at least points at the offending module which gave me the clue I needed to look at request restrictions in ApplicationHost.config. This would still be a stretch if you’re not intimately familiar, but I think with some Google searches it would be easy to track this down with a few tries… Hope this was useful to some of you. Useful to me to put this out as a reminder – I’ve run into this issue before myself and totally forgot. Next time I got it, right?© Rick Strahl, West Wind Technologies, 2005-2010Posted in ASP.NET  Security  

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• AWS: setting up auto-scale for EC2 instances

  - by Elton Stoneman

  Originally posted on: http://geekswithblogs.net/EltonStoneman/archive/2013/10/16/aws-setting-up-auto-scale-for-ec2-instances.aspxWith Amazon Web Services, there’s no direct equivalent to Azure Worker Roles – no Elastic Beanstalk-style application for .NET background workers. But you can get the auto-scale part by configuring an auto-scaling group for your EC2 instance. This is a step-by-step guide, that shows you how to create the auto-scaling configuration, which for EC2 you need to do with the command line, and then link your scaling policies to CloudWatch alarms in the Web console. I’m using queue size as my metric for CloudWatch,  which is a good fit if your background workers are pulling messages from a queue and processing them.  If the queue is getting too big, the “high” alarm will fire and spin up a new instance to share the workload. If the queue is draining down, the “low” alarm will fire and shut down one of the instances. To start with, you need to manually set up your app in an EC2 VM, for a background worker that would mean hosting your code in a Windows Service (I always use Topshelf). If you’re dual-running Azure and AWS, then you can isolate your logic in one library, with a generic entry point that has Start() and Stop()  functions, so your Worker Role and Windows Service are essentially using the same code. When you have your instance set up with the Windows Service running automatically, and you’ve tested it starts up and works properly from a reboot, shut the machine down and take an image of the VM, using Create Image (EBS AMI) from the Web Console: When that completes, you’ll have your own AMI which you can use to spin up new instances, and you’re ready to create your auto-scaling group. You need to dip into the command-line tools for this, so follow this guide to set up the AWS autoscale command line tool. Now we’re ready to go. 1. Create a launch configuration This launch configuration tells AWS what to do when a new instance needs to be spun up. You create it with the as-create-launch-config command, which looks like this: as-create-launch-config sc-xyz-launcher # name of the launch config --image-id ami-7b9e9f12 # id of the AMI you extracted from your VM --region eu-west-1 # which region the new instance gets created in --instance-type t1.micro # size of the instance to create --group quicklaunch-1 #security group for the new instance 2. Create an auto-scaling group The auto-scaling group links to the launch config, and defines the overall configuration of the collection of instances: as-create-auto-scaling-group sc-xyz-asg # auto-scaling group name --region eu-west-1 # region to create in --launch-configuration sc-xyz-launcher # name of the launch config to invoke for new instances --min-size 1 # minimum number of nodes in the group --max-size 5 # maximum number of nodes in the group --default-cooldown 300 # period to wait (in seconds) after each scaling event, before checking if another scaling event is required --availability-zones eu-west-1a eu-west-1b eu-west-1c # which availability zones you want your instances to be allocated in – multiple entries means EC@ will use any of them 3. Create a scale-up policy The policy dictates what will happen in response to a scaling event being triggered from a “high” alarm being breached. It links to the auto-scaling group; this sample results in one additional node being spun up: as-put-scaling-policy scale-up-policy # policy name -g sc-psod-woker-asg # auto-scaling group the policy works with --adjustment 1 # size of the adjustment --region eu-west-1 # region --type ChangeInCapacity # type of adjustment, this specifies a fixed number of nodes, but you can use PercentChangeInCapacity to make an adjustment relative to the current number of nodes, e.g. increasing by 50% 4. Create a scale-down policy The policy dictates what will happen in response to a scaling event being triggered from a “low” alarm being breached. It links to the auto-scaling group; this sample results in one node from the group being taken offline: as-put-scaling-policy scale-down-policy -g sc-psod-woker-asg "--adjustment=-1" # in Windows, use double-quotes to surround a negative adjustment value –-type ChangeInCapacity --region eu-west-1 5. Create a “high” CloudWatch alarm We’re done with the command line now. In the Web Console, open up the CloudWatch view and create a new alarm. This alarm will monitor your metrics and invoke the scale-up policy from your auto-scaling group, when the group is working too hard. Configure your metric – this example will fire the alarm if there are more than 10 messages in my queue for over a minute: Then link the alarm to the scale-up policy in your group: 6. Create a “low” CloudWatch alarm The opposite of step 4, this alarm will trigger when the instances in your group don’t have enough work to do (e.g fewer than 2 messages in the queue for 1 minute), and will invoke the scale-down policy. And that’s it. You don’t need your original VM as the auto-scale group has a minimum number of nodes connected. You can test out the scaling by flexing your CloudWatch metric – in this example, filling up a queue from a  stub publisher – and watching AWS create new nodes as required, then stopping the publisher and watch AWS kill off the spare nodes.

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• Detecting source of memory usage on a Linux box

  - by apeace

  I have a toy Linux box with 256mb RAM running Ubuntu 10.04.1 LTS. Here is the output of free -m: total used free shared buffers cached Mem: 245 122 122 0 19 64 -/+ buffers/cache: 38 206 Swap: 511 0 511 Unless I'm reading this wrong, 122mb is being used and only 84mb of that is disk cache. Here are all processes I'm running sorted by memory usage (ps -eo pmem,pcpu,rss,vsize,args | sort -k 1 -r): %MEM %CPU RSS VSZ COMMAND 5.0 0.0 12648 633140 node /home/node/main/sites.js 1.5 0.0 3884 251736 /usr/sbin/console-kit-daemon --no-daemon 1.3 0.0 3328 77108 sshd: apeace [priv] 0.9 0.0 2344 19624 -bash 0.7 0.0 1776 23620 /sbin/init 0.6 0.0 1624 77108 sshd: apeace@pts/0 0.6 0.0 1544 9940 redis-server /etc/redis/redis.conf 0.6 0.0 1524 25848 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 103:105 0.5 0.0 1324 119880 rsyslogd -c4 0.4 0.0 1084 49308 /usr/sbin/sshd 0.4 0.0 1028 44376 /usr/sbin/exim4 -bd -q30m 0.3 0.0 904 6876 ps -eo pmem,pcpu,rss,vsize,args 0.3 0.0 888 21124 cron 0.3 0.0 868 23472 dbus-daemon --system --fork 0.2 0.0 732 19624 -bash 0.2 0.0 628 6128 /sbin/getty -8 38400 tty1 0.2 0.0 628 16952 upstart-udev-bridge --daemon 0.2 0.0 564 16800 udevd --daemon 0.2 0.0 552 16796 udevd --daemon 0.2 0.0 548 16796 udevd --daemon 0.0 0.0 0 0 [xenwatch] 0.0 0.0 0 0 [xenbus] 0.0 0.0 0 0 [sync_supers] 0.0 0.0 0 0 [netns] 0.0 0.0 0 0 [migration/3] 0.0 0.0 0 0 [migration/2] 0.0 0.0 0 0 [migration/1] 0.0 0.0 0 0 [migration/0] 0.0 0.0 0 0 [kthreadd] 0.0 0.0 0 0 [kswapd0] 0.0 0.0 0 0 [kstriped] 0.0 0.0 0 0 [ksoftirqd/3] 0.0 0.0 0 0 [ksoftirqd/2] 0.0 0.0 0 0 [ksoftirqd/1] 0.0 0.0 0 0 [ksoftirqd/0] 0.0 0.0 0 0 [ksnapd] 0.0 0.0 0 0 [kseriod] 0.0 0.0 0 0 [kjournald] 0.0 0.0 0 0 [khvcd] 0.0 0.0 0 0 [khelper] 0.0 0.0 0 0 [kblockd/3] 0.0 0.0 0 0 [kblockd/2] 0.0 0.0 0 0 [kblockd/1] 0.0 0.0 0 0 [kblockd/0] 0.0 0.0 0 0 [flush-202:1] 0.0 0.0 0 0 [events/3] 0.0 0.0 0 0 [events/2] 0.0 0.0 0 0 [events/1] 0.0 0.0 0 0 [events/0] 0.0 0.0 0 0 [crypto/3] 0.0 0.0 0 0 [crypto/2] 0.0 0.0 0 0 [crypto/1] 0.0 0.0 0 0 [crypto/0] 0.0 0.0 0 0 [cpuset] 0.0 0.0 0 0 [bdi-default] 0.0 0.0 0 0 [async/mgr] 0.0 0.0 0 0 [aio/3] 0.0 0.0 0 0 [aio/2] 0.0 0.0 0 0 [aio/1] 0.0 0.0 0 0 [aio/0] Now, I know that ps is not the best for viewing process memory usage, but that's because it tends to report more memory than is actually being used...meaning no matter how you look at it all my processes combined shouldn't be using near 122mb, even if you account for the disk cache. What's more, memory usage is growing all the time. I've had to restart my server once a week, because once my 256mb fills up it starts swapping, which it wouldn't do just for disk cache. Shouldn't there be some way for me to see the culprit?! I'm new to server admin, so please if there's something obvious I'm overlooking point it out to me. Just for good measure, the output of cat /proc/meminfo: MemTotal: 251140 kB MemFree: 124604 kB Buffers: 20536 kB Cached: 66136 kB SwapCached: 0 kB Active: 65004 kB Inactive: 37576 kB Active(anon): 15932 kB Inactive(anon): 164 kB Active(file): 49072 kB Inactive(file): 37412 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 524284 kB SwapFree: 524284 kB Dirty: 8 kB Writeback: 0 kB AnonPages: 15916 kB Mapped: 10668 kB Shmem: 188 kB Slab: 18604 kB SReclaimable: 10088 kB SUnreclaim: 8516 kB KernelStack: 536 kB PageTables: 1444 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 649852 kB Committed_AS: 64224 kB VmallocTotal: 34359738367 kB VmallocUsed: 752 kB VmallocChunk: 34359737600 kB DirectMap4k: 262144 kB DirectMap2M: 0 kB EDIT: I had misinterpreted the meaning of free -m at first. But even so: the important thing is that my OS eventually begins to use swap memory if I don't restart my server, which disk caching wouldn't do. So where do I look to see what is using all this memory?

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• Broken cups installation on a ubuntu server 64

  - by user67046

  Hi, I am having trouble with an cups installation. It seems to be in a broken state. When i try to reinstall it it stalls, the same if i try to remove it completely. I am running the server version 64 bit of Ubuntu 10.10 with kernel Linux version 2.6.35-22-server. When i try to start the cups daemon with the following command sudo service cups start It just stays there and nothing happens. I have tried to remove it, to be able to reinstall it, with the following command sudo apt-get purge cups It finally stalls with the following message Removing cups ... After that nothing happens. The process tree for the apt-get command looks like this. 1404 1404 1404 ? 00:00:00 sshd 26495 26495 26495 ? 00:00:00 sshd 26581 26495 26495 ? 00:00:00 sshd 26582 26582 26582 pts/4 00:00:00 bash 27158 27158 26582 pts/4 00:00:00 apt-get 27172 27172 27172 pts/2 00:00:00 dpkg 27176 27172 27172 pts/2 00:00:00 cups.prerm 27178 27172 27172 pts/2 00:00:00 stop I have tried to leave the process running for a while to see if i get any error messages but without success. To get out of it I have to kill the processes. sudo dpkg --configure cups dpkg: error processing cups (--configure): package cups is already installed and configured Errors were encountered while processing: cups sudo dpkg --status cups Package: cups Status: purge ok installed Priority: optional Section: net Installed-Size: 8292 Maintainer: Ubuntu Developers <[email protected]> Architecture: amd64 Version: 1.4.4-6ubuntu2.3 Replaces: cupsddk-drivers (<< 1.4.0) Provides: cupsddk-drivers Depends: libavahi-client3 (>= 0.6.16), libavahi-common3 (>= 0.6.16), libc6 (>= 2.7), libcups2 (>= 1.4.4-3~), libcupscgi1 (>= 1.4.2), libcupsdriver1 (>= 1.4.0), libcupsimage2 (>= 1.4.0), libcupsmime1 (>= 1.4.0), libcupsppdc1 (>= 1.4.0), libdbus-1-3 (>= 1.0.2), libgcc1 (>= 1:4.1.1), libgnutls26 (>= 2.7.14-0), libgssapi-krb5-2 (>= 1.8+dfsg), libijs-0.35, libkrb5-3 (>= 1.6.dfsg.2), libldap-2.4-2 (>= 2.4.7), libpam0g (>= 0.99.7.1), libpaper1, libpoppler7, libslp1, libstdc++6 (>= 4.1.1), libusb-0.1-4 (>= 2:0.1.12), zlib1g (>= 1:1.1.4), debconf (>= 1.2.9) | debconf-2.0, upstart-job, poppler-utils (>= 0.12), procps, ghostscript, lsb-base (>= 3), cups-common (>= 1.4.4), cups-client (>= 1.4.4-6ubuntu2.3), ssl-cert (>= 1.0.11), adduser, bc, ttf-freefont, cups-ppdc Recommends: foomatic-filters (>= 4.0), cups-driver-gutenprint, ghostscript-cups Suggests: cups-bsd, foomatic-db-compressed-ppds | foomatic-db, hplip, xpdf-korean | xpdf-japanese | xpdf-chinese-traditional | xpdf-chinese-simplified, cups-pdf, smbclient (>= 3.0.9), udev Breaks: foomatic-filters (<< 4.0) Conflicts: cupsddk-drivers (<< 1.4.0) Conffiles: /etc/fonts/conf.d/99pdftoopvp.conf a5221cfad70a981c80864229ef56586d /etc/logrotate.d/cups 5bb41fa9900f0d1c565954405a2bd7c4 /etc/default/cups 2b436fbb1a32b82b6aba45a76a1d7e40 /etc/pam.d/cups ff2488324854f7b1e892bb0df062d5f0 /etc/init/cups.conf 1a3cd022e8474e3d2b44640f33ce68e3 /etc/ufw/applications.d/cups 29e98a6d850da251e180c3d68dec2bd3 /etc/apparmor.d/usr.sbin.cupsd 60c4b26bfd5c033baa3dd48a3b2e9911 /etc/cups/cupsd.conf e2c7ec15835ea0939e5e86f7c6efcc03 /etc/cups/snmp.conf 2326a8af1e112676d55245bc5eb459ca /etc/cups/cupsd.conf.default a68d54d76021e857dd1d64edf57d36c5 Description: Common UNIX Printing System(tm) - server The Common UNIX Printing System (or CUPS(tm)) is a printing system and general replacement for lpd and the like. It supports the Internet Printing Protocol (IPP), and has its own filtering driver model for handling various document types. . This package provides the CUPS scheduler/daemon and related files. Original-Maintainer: Debian CUPS Maintainers <[email protected]> Would be greatful if someone could provide some help on how to solve this issue.

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• Out of disk space - /boot at 100%

  - by uvasal

  My /boot is at 100%. When I run aptitude search ~ilinux-image I'm getting loads of unused images. When I try to delete one of them (after checking which one is currently in use by doing uname -r), e.g apt-get autoremove linux-image-3.2.0-44-generic I get: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: linux-generic : Depends: linux-headers-generic (= 3.2.0.51.61) but 3.2.0.54.64 is to be installed linux-server : Depends: linux-headers-server (= 3.2.0.51.61) but 3.2.0.54.64 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). And running apt-get -f install throws No space left on device. I've also tried doing apt-get purge but I am getting the same thing. Output of df -h and dpkg -l linux-*.: root@hb2088:/srv/www# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 9.4G 3.0G 6.0G 34% / udev 301M 4.0K 301M 1% /dev tmpfs 124M 228K 124M 1% /run none 5.0M 0 5.0M 0% /run/lock none 309M 0 309M 0% /run/shm /dev/sda1 92M 91M 0 100% /boot root@hb2088:/srv/www# dpkg -l linux-* Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-====================================================-====================================================-======================================================================================================================== un linux-doc-3.2.0 <none> (no description available) ii linux-firmware 1.79.6 Firmware for Linux kernel drivers iU linux-generic 3.2.0.51.61 Complete Generic Linux kernel un linux-headers <none> (no description available) un linux-headers-3 <none> (no description available) un linux-headers-3.0 <none> (no description available) ii linux-headers-3.2.0-44 3.2.0-44.69 Header files related to Linux kernel version 3.2.0 ii linux-headers-3.2.0-44-generic 3.2.0-44.69 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP ii linux-headers-3.2.0-45 3.2.0-45.70 Header files related to Linux kernel version 3.2.0 ii linux-headers-3.2.0-45-generic 3.2.0-45.70 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP ii linux-headers-3.2.0-48 3.2.0-48.74 Header files related to Linux kernel version 3.2.0 ii linux-headers-3.2.0-48-generic 3.2.0-48.74 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP ii linux-headers-3.2.0-51 3.2.0-51.77 Header files related to Linux kernel version 3.2.0 ii linux-headers-3.2.0-51-generic 3.2.0-51.77 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP ii linux-headers-3.2.0-52 3.2.0-52.78 Header files related to Linux kernel version 3.2.0 ii linux-headers-3.2.0-52-generic 3.2.0-52.78 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP iU linux-headers-3.2.0-54 3.2.0-54.82 Header files related to Linux kernel version 3.2.0 iU linux-headers-3.2.0-54-generic 3.2.0-54.82 Linux kernel headers for version 3.2.0 on 64 bit x86 SMP iU linux-headers-generic 3.2.0.54.64 Generic Linux kernel headers iU linux-headers-server 3.2.0.54.64 Linux kernel headers on Server Equipment. un linux-image <none> (no description available) un linux-image-3.0 <none> (no description available) ii linux-image-3.2.0-44-generic 3.2.0-44.69 Linux kernel image for version 3.2.0 on 64 bit x86 SMP ii linux-image-3.2.0-45-generic 3.2.0-45.70 Linux kernel image for version 3.2.0 on 64 bit x86 SMP ii linux-image-3.2.0-48-generic 3.2.0-48.74 Linux kernel image for version 3.2.0 on 64 bit x86 SMP iF linux-image-3.2.0-51-generic 3.2.0-51.77 Linux kernel image for version 3.2.0 on 64 bit x86 SMP iF linux-image-3.2.0-52-generic 3.2.0-52.78 Linux kernel image for version 3.2.0 on 64 bit x86 SMP in linux-image-3.2.0-54-generic <none> (no description available) iU linux-image-generic 3.2.0.51.61 Generic Linux kernel image iU linux-image-server 3.2.0.51.61 Linux kernel image on Server Equipment. un linux-initramfs-tool <none> (no description available) un linux-kernel-headers <none> (no description available) un linux-kernel-log-daemon <none> (no description available) ii linux-libc-dev 3.2.0-52.78 Linux Kernel Headers for development un linux-restricted-common <none> (no description available) iU linux-server 3.2.0.51.61 Complete Linux kernel on Server Equipment. un linux-source-3.2.0 <none> (no description available) un linux-tools <none> (no description available) Output of du -sh /boot/*: root@hb2088:~# du -sh /boot/* 781K /boot/abi-3.2.0-44-generic 781K /boot/abi-3.2.0-45-generic 781K /boot/abi-3.2.0-48-generic 781K /boot/abi-3.2.0-51-generic 781K /boot/abi-3.2.0-52-generic 139K /boot/config-3.2.0-44-generic 139K /boot/config-3.2.0-45-generic 139K /boot/config-3.2.0-48-generic 139K /boot/config-3.2.0-51-generic 139K /boot/config-3.2.0-52-generic 1.6M /boot/grub 14M /boot/initrd.img-3.2.0-44-generic 14M /boot/initrd.img-3.2.0-45-generic 14M /boot/initrd.img-3.2.0-48-generic 12K /boot/lost+found 174K /boot/memtest86+.bin 176K /boot/memtest86+_multiboot.bin 2.8M /boot/System.map-3.2.0-44-generic 2.8M /boot/System.map-3.2.0-45-generic 2.8M /boot/System.map-3.2.0-48-generic 2.8M /boot/System.map-3.2.0-51-generic 2.8M /boot/System.map-3.2.0-52-generic 4.8M /boot/vmlinuz-3.2.0-44-generic 4.8M /boot/vmlinuz-3.2.0-45-generic 4.8M /boot/vmlinuz-3.2.0-48-generic 4.8M /boot/vmlinuz-3.2.0-51-generic 4.8M /boot/vmlinuz-3.2.0-52-generic

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