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  • Finding an odd perfect number

    - by Coin Bird
    I wrote these two methods to determine if a number is perfect. My prof wants me to combine them to find out if there is an odd perfect number. I know there isn't one(that is known), but I need to actually write the code to prove that. The issue is with my main method. I tested the two test methods. I tried debugging and it gets stuck on the number 5, though I can't figure out why. Here is my code: public class Lab6 { public static void main (String[]args) { int testNum = 3; while (testNum != sum_of_divisors(testNum) && testNum%2 != 0) testNum++; } public static int sum_of_divisors(int numDiv) { int count = 1; int totalDivisors = 0; while (count < numDiv) if (numDiv%count == 0) { totalDivisors = totalDivisors + count; count++; } else count++; return totalDivisors; } public static boolean is_perfect(int numPerfect) { int count = 1; int totalPerfect = 0; while (totalPerfect < numPerfect) { totalPerfect = totalPerfect + count; count++; } if (numPerfect == totalPerfect) return true; else return false; } }

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  • Changing Value of Array Pointer When Passed to a Function

    - by ZAX
    I have a function which receives both the array, and a specific instance of the array. I try to change the specific instance of the array by accessing one of its members "color", but it does not actually change it, as can be seen by debugging (checking the value of color after function runs in the main program). I am hoping someone can help me to access this member and change it. Essentially I need the instance of the array I'm specifying to be passed by reference if nothing else, but I'm hoping there is an easier way to accomplish what I'm trying to do. Here's the structures: typedef struct adjEdge{ int vertex; struct adjEdge *next; } adjEdge; typedef struct vertex{ int sink; int source; int color; //0 will be white, 1 will be grey, 5 will be black int number; adjEdge *nextVertex; } vertex; And here is the function: void walk(vertex *vertexArray, vertex v, int source, maxPairing *head) { int i; adjEdge *traverse; int moveVertex; int sink; traverse = vertexArray[v.number-1].nextVertex; if(v.color != 5 && v.sink == 5) { sink = v.number; v.color = 5; addMaxPair(head, source, sink); } else { walk(vertexArray, vertexArray[traverse->vertex-1], source, head); } } In particular, v.color needs to be changed to a 5, that way later after recursion the if condition blocks it.

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  • Openvpn plugin openvpn-auth-ldap does not bind to Active Directory

    - by Selivanov Pavel
    I'm trying to configure OpenVPN with openvpn-auth-ldap plugin to authorize users via Active Directory LDAP. When I use the same server config without plugin option, and add client config with generated client key and cert, connection is successful, so problem is in the plugin. server.conf: plugin /usr/lib/openvpn/openvpn-auth-ldap.so "/etc/openvpn-test/openvpn-auth-ldap.conf" port 1194 proto tcp dev tun keepalive 10 60 topology subnet server 10.0.2.0 255.255.255.0 tls-server ca ca.crt dh dh1024.pem cert server.crt key server.key #crl-verify crl.pem persist-key persist-tun user nobody group nogroup verb 3 mute 20 openvpn-auth-ldap.conf: <LDAP> URL ldap://dc1.domain:389 TLSEnable no BindDN cn=bot_auth,cn=Users,dc=domain Password bot_auth Timeout 15 FollowReferrals yes </LDAP> <Authorization> BaseDN "cn=Users,dc=domain" SearchFilter "(sAMAccountName=%u)" RequireGroup false # <Group> # BaseDN "ou=groups,dc=mycompany,dc=local" # SearchFilter "(|(cn=developers)(cn=artists))" # MemberAttribute uniqueMember # </Group> </Authorization> Top-level domain in AD is used by historical reasons. Analogue configuration is working for Apache 2.2 in mod-authzn-ldap. User and password are correct. client.conf: remote server_name port 1194 proto tcp client pull remote-cert-tls server dev tun resolv-retry infinite nobind ca ca.crt ; with keys - works fine #cert test.crt #key test.key ; without keys - by password auth-user-pass persist-tun verb 3 mute 20 In server log there is string PLUGIN_INIT: POST /usr/lib/openvpn/openvpn-auth-ldap.so '[/usr/lib/openvpn/openvpn-auth-ldap.so] [/etc/openvpn-test/openvpn-auth-ldap.conf]' which indicates, that plugin failed. I can telnet to dc1.domain:389, so this is not network/firewall problem. Later server says TLS Error: TLS object -> incoming plaintext read error TLS handshake failed - without plugin it tryes to do usal key authentification. server log: Tue Nov 22 03:06:20 2011 OpenVPN 2.1.3 i486-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Oct 21 2010 Tue Nov 22 03:06:20 2011 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables Tue Nov 22 03:06:20 2011 PLUGIN_INIT: POST /usr/lib/openvpn/openvpn-auth-ldap.so '[/usr/lib/openvpn/openvpn-auth-ldap.so] [/etc/openvpn-test/openvpn-auth-ldap.conf]' intercepted=PLUGIN_AUTH_USER_PASS_VERIFY|PLUGIN_CLIENT_CONNECT|PLUGIN_CLIENT_DISCONNECT Tue Nov 22 03:06:20 2011 Diffie-Hellman initialized with 1024 bit key Tue Nov 22 03:06:20 2011 /usr/bin/openssl-vulnkey -q -b 1024 -m <modulus omitted> Tue Nov 22 03:06:20 2011 Control Channel Authentication: using 'ta.key' as a OpenVPN static key file Tue Nov 22 03:06:20 2011 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Nov 22 03:06:20 2011 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Nov 22 03:06:20 2011 TLS-Auth MTU parms [ L:1543 D:168 EF:68 EB:0 ET:0 EL:0 ] Tue Nov 22 03:06:20 2011 Socket Buffers: R=[87380->131072] S=[16384->131072] Tue Nov 22 03:06:20 2011 TUN/TAP device tun1 opened Tue Nov 22 03:06:20 2011 TUN/TAP TX queue length set to 100 Tue Nov 22 03:06:20 2011 /sbin/ifconfig tun1 10.0.2.1 netmask 255.255.255.0 mtu 1500 broadcast 10.0.2.255 Tue Nov 22 03:06:20 2011 Data Channel MTU parms [ L:1543 D:1450 EF:43 EB:4 ET:0 EL:0 ] Tue Nov 22 03:06:20 2011 GID set to nogroup Tue Nov 22 03:06:20 2011 UID set to nobody Tue Nov 22 03:06:20 2011 Listening for incoming TCP connection on [undef] Tue Nov 22 03:06:20 2011 TCPv4_SERVER link local (bound): [undef] Tue Nov 22 03:06:20 2011 TCPv4_SERVER link remote: [undef] Tue Nov 22 03:06:20 2011 MULTI: multi_init called, r=256 v=256 Tue Nov 22 03:06:20 2011 IFCONFIG POOL: base=10.0.2.2 size=252 Tue Nov 22 03:06:20 2011 MULTI: TCP INIT maxclients=1024 maxevents=1028 Tue Nov 22 03:06:20 2011 Initialization Sequence Completed Tue Nov 22 03:07:10 2011 MULTI: multi_create_instance called Tue Nov 22 03:07:10 2011 Re-using SSL/TLS context Tue Nov 22 03:07:10 2011 Control Channel MTU parms [ L:1543 D:168 EF:68 EB:0 ET:0 EL:0 ] Tue Nov 22 03:07:10 2011 Data Channel MTU parms [ L:1543 D:1450 EF:43 EB:4 ET:0 EL:0 ] Tue Nov 22 03:07:10 2011 Local Options hash (VER=V4): 'c413e92e' Tue Nov 22 03:07:10 2011 Expected Remote Options hash (VER=V4): 'd8421bb0' Tue Nov 22 03:07:10 2011 TCP connection established with [AF_INET]10.0.0.9:47808 Tue Nov 22 03:07:10 2011 TCPv4_SERVER link local: [undef] Tue Nov 22 03:07:10 2011 TCPv4_SERVER link remote: [AF_INET]10.0.0.9:47808 Tue Nov 22 03:07:11 2011 10.0.0.9:47808 TLS: Initial packet from [AF_INET]10.0.0.9:47808, sid=a2cd4052 84b47108 Tue Nov 22 03:07:11 2011 10.0.0.9:47808 TLS_ERROR: BIO read tls_read_plaintext error: error:140890C7:SSL routines:SSL3_GET_CLIENT_CERTIFICATE:peer did not return a certificate Tue Nov 22 03:07:11 2011 10.0.0.9:47808 TLS Error: TLS object -> incoming plaintext read error Tue Nov 22 03:07:11 2011 10.0.0.9:47808 TLS Error: TLS handshake failed Tue Nov 22 03:07:11 2011 10.0.0.9:47808 Fatal TLS error (check_tls_errors_co), restarting Tue Nov 22 03:07:11 2011 10.0.0.9:47808 SIGUSR1[soft,tls-error] received, client-instance restarting Tue Nov 22 03:07:11 2011 TCP/UDP: Closing socket client log: Tue Nov 22 03:06:18 2011 OpenVPN 2.1.3 x86_64-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Oct 22 2010 Enter Auth Username:user Enter Auth Password: Tue Nov 22 03:06:25 2011 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables Tue Nov 22 03:06:25 2011 Control Channel Authentication: using 'ta.key' as a OpenVPN static key file Tue Nov 22 03:06:25 2011 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Nov 22 03:06:25 2011 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Nov 22 03:06:25 2011 Control Channel MTU parms [ L:1543 D:168 EF:68 EB:0 ET:0 EL:0 ] Tue Nov 22 03:06:25 2011 Socket Buffers: R=[87380->131072] S=[16384->131072] Tue Nov 22 03:06:25 2011 Data Channel MTU parms [ L:1543 D:1450 EF:43 EB:4 ET:0 EL:0 ] Tue Nov 22 03:06:25 2011 Local Options hash (VER=V4): 'd8421bb0' Tue Nov 22 03:06:25 2011 Expected Remote Options hash (VER=V4): 'c413e92e' Tue Nov 22 03:06:25 2011 Attempting to establish TCP connection with [AF_INET]10.0.0.2:1194 [nonblock] Tue Nov 22 03:06:26 2011 TCP connection established with [AF_INET]10.0.0.2:1194 Tue Nov 22 03:06:26 2011 TCPv4_CLIENT link local: [undef] Tue Nov 22 03:06:26 2011 TCPv4_CLIENT link remote: [AF_INET]10.0.0.2:1194 Tue Nov 22 03:06:26 2011 TLS: Initial packet from [AF_INET]10.0.0.2:1194, sid=7a3c2a0f bd35bca7 Tue Nov 22 03:06:26 2011 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this Tue Nov 22 03:06:26 2011 VERIFY OK: depth=1, /C=US/ST=CA/L=SanFrancisco/O=Fort-Funston/CN=Fort-Funston_CA/[email protected] Tue Nov 22 03:06:26 2011 Validating certificate key usage Tue Nov 22 03:06:26 2011 ++ Certificate has key usage 00a0, expects 00a0 Tue Nov 22 03:06:26 2011 VERIFY KU OK Tue Nov 22 03:06:26 2011 Validating certificate extended key usage Tue Nov 22 03:06:26 2011 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication Tue Nov 22 03:06:26 2011 VERIFY EKU OK Tue Nov 22 03:06:26 2011 VERIFY OK: depth=0, /C=US/ST=CA/L=SanFrancisco/O=Fort-Funston/CN=server/[email protected] Tue Nov 22 03:06:26 2011 Connection reset, restarting [0] Tue Nov 22 03:06:26 2011 TCP/UDP: Closing socket Tue Nov 22 03:06:26 2011 SIGUSR1[soft,connection-reset] received, process restarting Tue Nov 22 03:06:26 2011 Restart pause, 5 second(s) ^CTue Nov 22 03:06:27 2011 SIGINT[hard,init_instance] received, process exiting Does anybody know how to get openvpn-auth-ldap wirking?

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  • XRDP: window manager not starting

    - by niboshi
    I have setup my Ubuntu server so that I can connect and login to XRDP from Windows remote desktop. My problem is that after logging in, no window-manager is started. It only displays a single gnome-terminal with no border and gray meshed background. It seems that /usr/sbin/xrdp-sesman itself is running (from observation of ps and /var/run/xrdp/xrdp-sesman.pid). I put debugging line like touch /home/myname/aaaaa into ~/startwm.sh or /etc/xrdp/startwm.sh, but the file aaaaa did not generated after logging in, so these scripts have not been executed. (Both of them have chmod +x permission.) Am I missing some configuration file, or is there any way of further inspection? Any help is appreciated. Thanks. Contents of /etc/xrdp/sesman.ini [Globals] ListenAddress=127.0.0.1 ListenPort=3350 EnableUserWindowManager=0 # or 1 UserWindowManager=startwm.sh DefaultWindowManager=startwm.sh # or commented-out [Security] AllowRootLogin=1 MaxLoginRetry=4 TerminalServerUsers=tsusers TerminalServerAdmins=tsadmins [Sessions] MaxSessions=10 KillDisconnected=0 IdleTimeLimit=0 DisconnectedTimeLimit=0 [Logging] LogFile=/var/log/xrdp-sesman.log LogLevel=DEBUG EnableSyslog=0 SyslogLevel=DEBUG [X11rdp] param1=-bs param2=-ac param3=-nolisten param4=tcp [Xvnc] param1=-bs param2=-ac param3=-nolisten param4=tcp Contents of /var/log/xrdp-sesman.log after logging in: [20120402-21:29:34] [CORE ] starting sesman with pid 11064 [20120402-21:29:34] [INFO ] listening... [20120402-21:29:39] [INFO ] scp thread on sck 7 started successfully [20120402-21:29:39] [INFO ] granted TS access to user myname [20120402-21:29:39] [INFO ] starting Xvnc session... [20120402-21:29:40] [INFO ] starting xrdp-sessvc - xpid=11074 - wmpid=11073 [20120402-21:29:49] [INFO ] session 11072 - user myname- terminated Process tree Below is a part of ps aufx output during xrdp session: xrdp 12344 0.0 0.4 22856 8732 ? Sl Apr02 0:01 /usr/sbin/xrdp root 12346 0.0 0.0 15672 2000 ? S Apr02 0:00 /usr/sbin/xrdp-sesman root 24346 0.0 0.0 3780 872 ? S 00:00 0:00 \_ /usr/sbin/xrdp-sessvc 24348 24347 myname 24347 0.4 0.6 76468 13700 ? Sl 00:00 0:14 \_ gnome-terminal myname 24362 0.0 0.0 2220 716 ? S 00:00 0:00 | \_ gnome-pty-helper myname 24363 0.0 0.2 6912 5268 pts/13 Ss 00:00 0:00 | \_ bash myname 27902 0.0 0.0 2824 1096 pts/13 R+ 00:53 0:00 | \_ ps aufx myname 24348 0.0 0.9 24984 19216 ? S 00:00 0:01 \_ Xvnc :18 -geometry 1920x1080 -depth 24 -rfbauth /home/myname/.vnc/sesman_myname_passwd -bs -ac -nolisten tcp root 24349 0.0 0.0 16596 1304 ? Sl 00:00 0:00 \_ xrdp-chansrv Environment Ubuntu 11.10 Oneiric xrdp version: 0.5.0~20100303cvs-6ubuntu2

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  • Tomcat SPNEGO authentication against Active Directory not working.

    - by Michael
    I'm trying to authenticate against AD using the http://spnego.sourceforge.net component with tomcat. I've created my SPN's "setspn.exe -A HTTP/servername SVCTomcat" & "setspn.exe -A HTTP/servername.fqdn.net SVCTomcat" I've created my krb5.conf & login.conf file and setup the filter in the web.xml ie. <filter-name>SpnegoHttpFilter</filter-name> <filter-class>net.sourceforge.spnego.SpnegoHttpFilter</filter-class> <param-name>spnego.allow.unsecure.basic</param-name> <param-value>false</param-value> <param-name>spnego.login.client.module</param-name> <param-value>spnego-client</param-value> <param-name>spnego.krb5.conf</param-name> <param-value>krb5.conf</param-value> <param-name>spnego.login.conf</param-name> <param-value>login.conf</param-value> <param-name>spnego.preauth.username</param-name> <param-value>SVCTomcat</param-value> <param-name>spnego.preauth.password</param-name> <param-value>Pasword</param-value> <param-name>spnego.login.server.module</param-name> <param-value>spnego-server</param-value> <param-name>spnego.prompt.ntlm</param-name> <param-value>false</param-value> <param-name>spnego.logger.level</param-name> <param-value>2</param-value> Note i've stripped extraneous tags from this, so it's not the actual XML. When i go to a page protected by this filter i get this in the catalina logfile. 25-Mar-2010 12:41:26 org.apache.catalina.startup.Catalina start INFO: Server startup in 4615 ms 25-Mar-2010 12:41:47 net.sourceforge.spnego.SpnegoHttpFilter doFilter FINE: principal=SYSTEM@TESTDOMAIN And in the hello_spnego.jsp example on the website it just reports the name of the user tomcat is running as (SYSTEM), not the user i'm connecting with. It seems the author stopped halfway through his debugging page, so i've no areas to look in other than to triple check my config. Any ideas?

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  • Setting up a transparent SSL proxy

    - by badunk
    I've got a linux box set up with 2 network cards to inspect traffic going through port 80. One card is used to go out to the internet, the other one is hooked up to a networking switch. The point is to be able to inspect all HTTP and HTTPS traffic on devices hooked up to that switch for debugging purposes. I've written the following rules for iptables: nat -A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.2.1:1337 -A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 1337 -A POSTROUTING -s 192.168.2.0/24 -o eth0 -j MASQUERADE On 192.168.2.1:1337, I've got a transparent http proxy using Charles (http://www.charlesproxy.com/) for recording. Everything's fine for port 80, but when I add similar rules for port 443 (SSL) pointing to port 1337, I get an error about invalid message through Charles. I've used SSL proxying on the same computer before with Charles (http://www.charlesproxy.com/documentation/proxying/ssl-proxying/), but have been unsuccessful with doing it transparently for some reason. Some resources I've googled say its not possible - I'm willing to accept that as an answer if someone can explain why. As a note, I have full access to the described set up including all the clients hooked up to the subnet - so I can accept self-signed certs by Charles. The solution doesn't have to be Charles-specific since in theory, any transparent proxy will do. Thanks! Edit: After playing with it a little, I was able to get it working for a specific host. When I modify my iptables to the following (and open 1338 in charles for reverse proxy): nat -A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.2.1:1337 -A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 1337 -A PREROUTING -i eth1 -p tcp -m tcp --dport 443 -j DNAT --to-destination 192.168.2.1:1338 -A PREROUTING -i eth1 -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 1338 -A POSTROUTING -s 192.168.2.0/24 -o eth0 -j MASQUERADE I am able to get a response, but with no destination host. In the reverse proxy, if I just specify that everything from 1338 goes to a specific host that I wanted to hit, it performs the hand shake properly and I can turn on SSL proxying to inspect the communication. The setup is less than ideal because I don't want to assume everything from 1338 goes to that host - any idea why the destination host is being stripped? Thanks again

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  • Proxying webmin with nginx

    - by TheLQ
    I am attempting to proxy webmin behind nginx for various reasons that are outside the scope of this question. However I've been trying for a while now and can't seem to figure it out and think I'm to the point where I've exhausted all the permutations of the config file I can think of. What I have now: relevant nginx config (commented out options removed, I tried many) # Proxy for webmin location /admin/quackwall-webmin { proxy_pass http://127.0.0.1:10000; # Also tried ending with /admin/quackwall-webmin proxy_set_header Host $host; } /etc/webmin/config - Relevant parts webprefix=/admin/quackwall-webmin webprefixnoredir=1 referer=(nginx domain name) Webmin itself is on the standard ports, listening on all addresses temporarily for debugging. SSL has been disabled for right now. So I make a standard request for the login page. However all the CSS and images are broken, with the standard login page returned for all of the resources. In the webmin miniserv logs I see 127.0.0.1 - - [29/Oct/2012:12:29:00 -0400] "GET /admin/quackwall-webmin/session_login.cgi HTTP/1.0" 401 2453 127.0.0.1 - - [29/Oct/2012:12:29:01 -0400] "GET /admin/quackwall-webmin/unauthenticated/style.css HTTP/1.0" 401 2453 127.0.0.1 - - [29/Oct/2012:12:29:01 -0400] "GET /admin/quackwall-webmin/unauthenticated/sorttable.js HTTP/1.0" 401 2453 127.0.0.1 - - [29/Oct/2012:12:29:01 -0400] "GET /admin/quackwall-webmin/unauthenticated/toggleview.js HTTP/1.0" 401 2453 So all the URL's are returning 401s. Interestingly ngrep seems to show that the requests suceeded on the backend communication between nginx and webmin T 127.0.0.1:58908 -> 127.0.0.1:10000 [AP] POST /admin/quackwall-webmin/session_login.cgi HTTP/1.0..Host: (host)..Connection: close..User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW 64; rv:16.0) Gecko/20100101 Firefox/16.0..Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8..Accept-Language: en-US,en;q=0.5. .Accept-Encoding: gzip, deflate..Referer: http://(host)/admin/quackwall-webmin/session_login.cgi..Cookie: testing=1..Cache-Control: ma x-age=0..Content-Type: application/x-www-form-urlencoded..Content-Length: 41....page=%2F&user=(user)&pass=(pass) T 127.0.0.1:10000 -> 127.0.0.1:58908 [AP] HTTP/1.0 200 Document follows.. Various other permutations of these config options and others show similar results, with the URL sent to webmin by nginx either being /admin/quackwall-webmin/session_login.cgi, /admin/quackwall-webmin//session_login.cgi, and just /session_login.cgi. All give 201 Unauthenticated responses. All requests, even those that somewhat succeed (as in I can actually load the resources of the page) Is changing the webprefix in webmin even supported? What am I doing wrong? What else can I try?

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  • Monitoring slow nginx/unicorn requests

    - by injekt
    I'm currently using Nginx to proxy requests to a Unicorn server running a Sinatra application. The application only has a couple of routes defined, those of which make fairly simple (non costly) queries to a PostgreSQL database, and finally return data in JSON format, these services are being monitored by God. I'm currently experiencing extremely slow response times from this application server. I have another two Unicorn servers being proxied via Nginx, and these are responding perfectly fine, so I think I can rule out any wrong doing from Nginx. Here is my God configuration: # God configuration APP_ROOT = File.expand_path '../', File.dirname(__FILE__) God.watch do |w| w.name = "app_name" w.interval = 30.seconds # default w.start = "cd #{APP_ROOT} && unicorn -c #{APP_ROOT}/config/unicorn.rb -D" # -QUIT = graceful shutdown, waits for workers to finish their current request before finishing w.stop = "kill -QUIT `cat #{APP_ROOT}/tmp/unicorn.pid`" w.restart = "kill -USR2 `cat #{APP_ROOT}/tmp/unicorn.pid`" w.start_grace = 10.seconds w.restart_grace = 10.seconds w.pid_file = "#{APP_ROOT}/tmp/unicorn.pid" # User under which to run the process w.uid = 'web' w.gid = 'web' # Cleanup the pid file (this is needed for processes running as a daemon) w.behavior(:clean_pid_file) # Conditions under which to start the process w.start_if do |start| start.condition(:process_running) do |c| c.interval = 5.seconds c.running = false end end # Conditions under which to restart the process w.restart_if do |restart| restart.condition(:memory_usage) do |c| c.above = 150.megabytes c.times = [3, 5] # 3 out of 5 intervals end restart.condition(:cpu_usage) do |c| c.above = 50.percent c.times = 5 end end w.lifecycle do |on| on.condition(:flapping) do |c| c.to_state = [:start, :restart] c.times = 5 c.within = 5.minute c.transition = :unmonitored c.retry_in = 10.minutes c.retry_times = 5 c.retry_within = 2.hours end end end Here is my Unicorn configuration: # Unicorn configuration file APP_ROOT = File.expand_path '../', File.dirname(__FILE__) worker_processes 8 preload_app true pid "#{APP_ROOT}/tmp/unicorn.pid" listen 8001 stderr_path "#{APP_ROOT}/log/unicorn.stderr.log" stdout_path "#{APP_ROOT}/log/unicorn.stdout.log" before_fork do |server, worker| old_pid = "#{APP_ROOT}/tmp/unicorn.pid.oldbin" if File.exists?(old_pid) && server.pid != old_pid begin Process.kill("QUIT", File.read(old_pid).to_i) rescue Errno::ENOENT, Errno::ESRCH # someone else did our job for us end end end I have checked God status logs but it appears CPU and Memory Usage are never out of bounds. I also have something to kill high memory workers, which can be found on the GitHub blog page here. When running a tail -f on the Unicorn logs I see some requests, but they're far and few between, when I was at around 60-100 a second before this trouble seemed to have arrived. This log also shows workers being reaped and started as expected. So my question is, how would I go about debugging this? What are the next steps I should be taking? I'm extremely baffled that the server will sometimes respond quickly, but at others time it's very slow, for long periods of time (which may or may not be peak traffic times). Any advice is much appreciated.

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  • Secure ldap problem

    - by neverland
    I have tried to config my openldap to have secure connection by using openssl on Debian5. By the way, I got trouble during the below command. ldap:/etc/ldap# slapd -h 'ldap:// ldaps://' -d1 >>> slap_listener(ldaps://) connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_read(15): unable to get TLS client DN, error=49 id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 ber_get_next ber_get_next on fd 15 failed errno=0 (Success) connection_closing: readying conn=7 sd=15 for close connection_close: conn=7 sd=15 Then I have search for "unable to get TLS client DN, error=49 id=7" but it seems no where has a good solution to this yet. Please help. Thanks # Well, I try to fix something to get it work but now I got this ldap:~# slapd -d 256 -f /etc/openldap/slapd.conf @(#) $OpenLDAP: slapd 2.4.11 (Nov 26 2009 09:17:06) $ root@SD6-Casa:/tmp/buildd/openldap-2.4.11/debian/build/servers/slapd could not stat config file "/etc/openldap/slapd.conf": No such file or directory (2) slapd stopped. connections_destroy: nothing to destroy. What should I do now? log : ldap:~# /etc/init.d/slapd start Starting OpenLDAP: slapd - failed. The operation failed but no output was produced. For hints on what went wrong please refer to the system's logfiles (e.g. /var/log/syslog) or try running the daemon in Debug mode like via "slapd -d 16383" (warning: this will create copious output). Below, you can find the command line options used by this script to run slapd. Do not forget to specify those options if you want to look to debugging output: slapd -h 'ldaps:///' -g openldap -u openldap -f /etc/ldap/slapd.conf ldap:~# tail /var/log/messages Feb 8 16:53:27 ldap kernel: [ 123.582757] intel8x0_measure_ac97_clock: measured 57614 usecs Feb 8 16:53:27 ldap kernel: [ 123.582801] intel8x0: measured clock 172041 rejected Feb 8 16:53:27 ldap kernel: [ 123.582825] intel8x0: clocking to 48000 Feb 8 16:53:27 ldap kernel: [ 131.469687] Adding 240932k swap on /dev/hda5. Priority:-1 extents:1 across:240932k Feb 8 16:53:27 ldap kernel: [ 133.432131] EXT3 FS on hda1, internal journal Feb 8 16:53:27 ldap kernel: [ 135.478218] loop: module loaded Feb 8 16:53:27 ldap kernel: [ 141.348104] eth0: link up, 100Mbps, full-duplex Feb 8 16:53:27 ldap rsyslogd: [origin software="rsyslogd" swVersion="3.18.6" x-pid="1705" x-info="http://www.rsyslog.com"] restart Feb 8 16:53:34 ldap kernel: [ 159.217171] NET: Registered protocol family 10 Feb 8 16:53:34 ldap kernel: [ 159.220083] lo: Disabled Privacy Extensions

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  • Indirect Postfix bounces create new user directories

    - by hheimbuerger
    I'm running Postfix on my personal server in a data centre. I am not a professional mail hoster and not a Postfix expert, it is just used for a few domains served from that server. IIRC, I mostly followed this howto when setting up Postfix. Mails addressed to one of the domains the server manages are delivered locally (/srv/mail) to be fetched with Dovecot. Mails to other domains require usage of SMTPS. The mailbox configuration is stored in MySQL. The problem I have is that I suddenly found new mailboxes being created on the disk. Let's say I have the domain 'example.com'. Then I would have lots of new directories, e.g. /srv/mail/example.com/abenaackart /srv/mail/example.com/abenaacton etc. There are no entries for these addresses in my database, neither as a mailbox nor as an alias. It's clearly spam from auto-generated names. Most of them start with 'a', a few with 'b' and a couple of random ones with other letters. At first I was afraid of an attack, but all security restrictions seem to work. If I try to send mail to these addresses, I get an "Recipient address rejected: User unknown in virtual mailbox table" during the 'RCPT TO' stage. So I looked into the mails stored in these mailboxes. Turns out that all of them are bounces. It seems like all of them were sent from a randomly generated name to an alias that really exists on my system, but pointed to an invalid destination address on another host. So Postfix accepted it, then tried to redirect it to another mail server, which rejected it. This bounced back to my Postfix server, which now took the bounce and stored it locally -- because it seemed to be originating from one of the addresses it manages. Example: My Postfix server handles the example.com domain. [email protected] is configured to redirect to [email protected]. [email protected] has since been deleted from the Hotmail servers. Spammer sends mail with FROM:[email protected] and TO:[email protected]. My Postfix server accepts the mail and tries to hand it off to hotmail.com. hotmail.com sends a bounce back. My Postfix server accepts the bounce and delivers it to /srv/mail/example.com/bob. The last step is what I don't want. I'm not quite sure what it should do instead, but creating hundreds of new mailboxes on my disk is not what I want... Any ideas how to get rid of this behaviour? I'll happily post parts of my configuration, but I'm not really sure where to start debugging the problem at this point.

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  • APC (PHP Cache) Uptime 0 minutes, not caching

    - by Jussi
    My goal is to implement APC for opcode cache for a drupal 6 production site. I have so far tested APC with several php files with and without including other php files with include_once. Also tried to tweak the apc.ini values for shm_size, apc.include_once_override and apc.stat. Restarted apache every time. Resulting in apc.php not showing any changes in any values. (except of course the changed apc.ini values are shown as they should) Every time i refresh the apc.php test page, the start time resets as the current time showing uptime 0 minutes. apc.php -testpage shows: General Cache InformationAPC Version 3.1.9 PHP Version 5.2.10 APC Host xxxx.xx.xx Server Software Apache/2.2.3 (CentOS) Shared Memory 1 Segment(s) with 128.0 MBytes (mmap memory, pthread mutex Locks locking) Start Time 2011/07/26 11:53:56 Uptime 0 minutes File Upload Support 1 Cached Files 0 ( 0.0 Bytes) Hits 1 Misses 1 Request Rate (hits, misses) 2.00 cache requests/second Hit Rate 1.00 cache requests/second Miss Rate 1.00 cache requests/second Insert Rate 0.00 cache requests/second Cache full count 0 Cached Variables 0 ( 0.0 Bytes) Hits 0 Misses 0 Request Rate (hits, misses) 0.00 cache requests/second Hit Rate 0.00 cache requests/second Miss Rate 0.00 cache requests/second Insert Rate 0.00 cache requests/second Cache full count 0 apc.cache_by_default 1 apc.canonicalize 1 apc.coredump_unmap 0 apc.enable_cli 0 apc.enabled 1 apc.file_md5 0 apc.file_update_protection 2 apc.filters apc.gc_ttl 3600 apc.include_once_override 0 apc.lazy_classes 0 apc.lazy_functions 0 apc.max_file_size 16 apc.mmap_file_mask /tmp/apcphp5.095eRm apc.num_files_hint 1024 apc.preload_path apc.report_autofilter 0 apc.rfc1867 0 apc.rfc1867_freq 0 apc.rfc1867_name APC_UPLOAD_PROGRESS apc.rfc1867_prefix upload_ apc.rfc1867_ttl 3600 apc.serializer default apc.shm_segments 1 apc.shm_size 128M apc.slam_defense 0 apc.stat 0 apc.stat_ctime 0 apc.ttl 7200 apc.use_request_time 1 apc.user_entries_hint 4096 apc.user_ttl 7200 apc.write_lock 1 Host Status Diagrams: Free: 128.0 MBytes (100.0%) Hits: 1 (50.0%) Used: 20.3 KBytes (0.0%) Misses: 1 (50.0%) Detailed Memory Usage and Fragmentation: Fragmentation: 0% phpinfo shows: Server API CGI/FastCGI APC: Version 3.1.9 APC Debugging Enabled MMAP Support Enabled MMAP File Mask /tmp/apcphp5.JkKDk7 Locking type pthread mutex Locks Serialization Support php Revision $Revision: 308812 $ Build Date Jul 21 2011 14:31:12 I followed these steps to find if suexec settings would prevent caching: http://www.litespeedtech.com/support/forum/showthread.php?t=4189 [root@host /]# ps -ef|grep lsphp root 20402 17833 0 11:21 pts/0 00:00:00 grep lsphp [root@host /]# ps -waux root 17833 0.0 0.1 5004 1484 pts/0 S 10:39 0:00 bash ..indicates that there is no lsphp running on the host also I read the following article and comments, concluding that in my case the problem is not the suexec as the user apache is the httpd process owner http://www.brandonturner.net/blog/2009/07/fastcgi_with_php_opcode_cache/ also suexec command is not recognized when logged and launced as root @ host also i'm almost confident that there is no cPanel running on the host to check if a setting there would reset the running cache process at some interval This leaves me with few clues where to head next. I tried to set (with chown and chgrp) apache as the owner of the apc.php file and some test php files resulting in 500 server error. Is there a way to check if the file permissions prevent the apc stay running? I'm tremendously grateful for any suggestions or help.

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  • Lync 2010, Kamailio, & Trixbox 2.6.23 (Asterisk 1.4)

    - by slashp
    I'm having an issue trying to connect Lync 2010 phone calls with our trixbox PBX. I've gotten to the point where Kamailio seems to be functioning properly and acting as a bridge between TCP traffic (from Lync) & UDP traffic (to the trixbox, as Asterisk 1.4 does not support SIP over TCP). Our Lync box IP: 10.100.10.41 Our Kamailio box IP: 10.100.10.44 Our trixbox IP: 10.100.10.2 The issue I'm running into is as follows when enabling SIP debugging for the Kamailio box: <--- SIP read from 10.100.10.44:5060 ---> PRACK sip:TNECLTSLY01.contoso.com:5068;transport=Tcp;maddr=10.100.10.41 SIP/2.0 FROM: <sip:9121;[email protected];user=phone>;epid=CF2380792B;tag=4852bab430 TO: <sip:[email protected];user=phone>;epid=CF2380792B;tag=3684a6a24e CSEQ: 24 PRACK CALL-ID: 192daae6-00e1-4140-bddd-0394b35d475b MAX-FORWARDS: 70 Via: SIP/2.0/UDP 10.100.10.44;branch=z9hG4bKcydzigwkX;i=d VIA: SIP/2.0/TCP 10.100.10.41:51677;branch=z9hG4bK159fc989 CONTACT: <sip:TNECLTSLY01.contoso.com:5068;transport=Tcp;maddr=10.100.10.41> CONTENT-LENGTH: 0 USER-AGENT: RTCC/4.0.0.0 MediationServer RAck: 1 23 INVITE <-------------> --- (12 headers 0 lines) --- Sending to 10.100.10.44 : 5060 (NAT) <--- Transmitting (NAT) to 10.100.10.44:5060 ---> SIP/2.0 481 Call leg/transaction does not exist Via: SIP/2.0/UDP 10.100.10.44;branch=z9hG4bKcydzigwkX;i=d;received=10.100.10.44 Via: SIP/2.0/TCP 10.100.10.41:51677;branch=z9hG4bK159fc989 From: <sip:9121;[email protected];user=phone>;epid=CF2380792B;tag=4852bab430 To: <sip:[email protected];user=phone>;epid=CF2380792B;tag=3684a6a24e Call-ID: 192daae6-00e1-4140-bddd-0394b35d475b CSeq: 24 PRACK User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Length: 0 <------------> trixbox1*CLI> <--- SIP read from 10.100.10.44:5060 ---> ACK sip:[email protected];user=phone SIP/2.0 FROM: "John Jones"<sip:9121;[email protected];user=phone>;tag=4852bab430;epid=CF2380792B TO: <sip:[email protected];user=phone>;tag=3684a6a24e;epid=CF2380792B CSEQ: 23 ACK CALL-ID: 192daae6-00e1-4140-bddd-0394b35d475b MAX-FORWARDS: 70 Via: SIP/2.0/UDP 10.100.10.44;branch=z9hG4bKcydzigwkX;i=d VIA: SIP/2.0/TCP 10.100.10.41:51677;branch=z9hG4bK79a21c CONTENT-LENGTH: 0 My SIP trunk on the trixbox looks like this: [from-lync] exten => _+4XXX!,1,Noop(Stripping + from start of number) exten => _+4XXX!,n,Goto(from-internal,${EXTEN:1}) Though I am still having no luck getting the + stripped or the call to go through. Any ideas would be greatly appreciated. Thank you! -slashp

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  • Secure ldap problem

    - by neverland
    Hi there, I have tried to config my openldap to have secure connection by using openssl on Debian5. By the way, I got trouble during the below command. ldap:/etc/ldap# slapd -h 'ldap:// ldaps://' -d1 >>> slap_listener(ldaps://) connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 connection_read(15): unable to get TLS client DN, error=49 id=7 connection_get(15): got connid=7 connection_read(15): checking for input on id=7 ber_get_next ber_get_next on fd 15 failed errno=0 (Success) connection_closing: readying conn=7 sd=15 for close connection_close: conn=7 sd=15 Then I have search for "unable to get TLS client DN, error=49 id=7" but it seems no where has a good solution to this yet. Please help. Thanks # Well, I try to fix something to get it work but now I got this ldap:~# slapd -d 256 -f /etc/openldap/slapd.conf @(#) $OpenLDAP: slapd 2.4.11 (Nov 26 2009 09:17:06) $ root@SD6-Casa:/tmp/buildd/openldap-2.4.11/debian/build/servers/slapd could not stat config file "/etc/openldap/slapd.conf": No such file or directory (2) slapd stopped. connections_destroy: nothing to destroy. What should I do now? log : ldap:~# /etc/init.d/slapd start Starting OpenLDAP: slapd - failed. The operation failed but no output was produced. For hints on what went wrong please refer to the system's logfiles (e.g. /var/log/syslog) or try running the daemon in Debug mode like via "slapd -d 16383" (warning: this will create copious output). Below, you can find the command line options used by this script to run slapd. Do not forget to specify those options if you want to look to debugging output: slapd -h 'ldaps:///' -g openldap -u openldap -f /etc/ldap/slapd.conf ldap:~# tail /var/log/messages Feb 8 16:53:27 ldap kernel: [ 123.582757] intel8x0_measure_ac97_clock: measured 57614 usecs Feb 8 16:53:27 ldap kernel: [ 123.582801] intel8x0: measured clock 172041 rejected Feb 8 16:53:27 ldap kernel: [ 123.582825] intel8x0: clocking to 48000 Feb 8 16:53:27 ldap kernel: [ 131.469687] Adding 240932k swap on /dev/hda5. Priority:-1 extents:1 across:240932k Feb 8 16:53:27 ldap kernel: [ 133.432131] EXT3 FS on hda1, internal journal Feb 8 16:53:27 ldap kernel: [ 135.478218] loop: module loaded Feb 8 16:53:27 ldap kernel: [ 141.348104] eth0: link up, 100Mbps, full-duplex Feb 8 16:53:27 ldap rsyslogd: [origin software="rsyslogd" swVersion="3.18.6" x-pid="1705" x-info="http://www.rsyslog.com"] restart Feb 8 16:53:34 ldap kernel: [ 159.217171] NET: Registered protocol family 10 Feb 8 16:53:34 ldap kernel: [ 159.220083] lo: Disabled Privacy Extensions

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  • Windows 8.1 IRQL_NOT_LESS_OR_EQUAL with Asus PCE-n53

    - by JArsenault89
    I saw the following question, and it is the exact same problem on my machine, I have tracked it to the ASUS PCE-n53 wireless card in my desktop. Does anyone know of a workaround? Windows 8.1 RTM installation crashes The adapter worked fine in windows 8... any ideas? EDIT: Crash Dump Analysis * Bugcheck Analysis * * IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high. This is usually caused by drivers using improper addresses. If a kernel debugger is available get the stack backtrace. Arguments: Arg1: 0000000000000000, memory referenced Arg2: 0000000000000002, IRQL Arg3: 0000000000000001, bitfield : bit 0 : value 0 = read operation, 1 = write operation bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status) Arg4: fffff801ef4f1316, address which referenced memory Debugging Details: WRITE_ADDRESS: 0000000000000000 CURRENT_IRQL: 2 FAULTING_IP: nt!KeReleaseSpinLock+16 fffff801`ef4f1316 f048832100 lock and qword ptr [rcx],0 DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT BUGCHECK_STR: AV PROCESS_NAME: System ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre TRAP_FRAME: ffffd00020d45550 -- (.trap 0xffffd00020d45550) NOTE: The trap frame does not contain all registers. Some register values may be zeroed or incorrect. rax=0000000000000001 rbx=0000000000000000 rcx=0000000000000000 rdx=0000000055920200 rsi=0000000000000000 rdi=0000000000000000 rip=fffff801ef4f1316 rsp=ffffd00020d456e0 rbp=ffffd00020d45768 r8=0000000055920222 r9=0000000035930000 r10=0000000055920222 r11=ffffd00020d456a8 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 iopl=0 nv up ei pl zr na po nc nt!KeReleaseSpinLock+0x16: fffff801ef4f1316 f048832100 lock and qword ptr [rcx],0 ds:0000000000000000=???????????????? Resetting default scope LOCK_ADDRESS: fffff801ef6da360 -- (!locks fffff801ef6da360) Resource @ nt!PiEngineLock (0xfffff801ef6da360) Exclusively owned Contention Count = 6 Threads: ffffe000010ff040-01<* 1 total locks, 1 locks currently held PNP_TRIAGE: Lock address : 0xfffff801ef6da360 Thread Count : 1 Thread address: 0xffffe000010ff040 Thread wait : 0x1fbe LAST_CONTROL_TRANSFER: from fffff801ef5647e9 to fffff801ef558ca0 STACK_TEXT: ffffd00020d45408 fffff801ef5647e9 : 000000000000000a 0000000000000000 0000000000000002 0000000000000001 : nt!KeBugCheckEx ffffd00020d45410 fffff801ef56303a : 0000000000000001 0000000000000000 ffff0c83e3e25300 ffffd00020d45550 : nt!KiBugCheckDispatch+0x69 ffffd00020d45550 fffff801ef4f1316 : 00000000000a5890 0000000000000001 0000000000000000 ffffe00004c00000 : nt!KiPageFault+0x23a ffffd00020d456e0 fffff80003b430ad : 00000000000afe80 ffffe00004c00000 00000000000a2f80 0000000035720000 : nt!KeReleaseSpinLock+0x16 ffffd00020d45710 fffff80003ac249f : ffffe00004c00000 00000000000000a8 ffffe00004c85050 0000000000000800 : netr28x+0x840ad ffffd00020d457b0 fffff80000b76475 : ffffd00020d459e8 ffffd00020d459f0 ffffe00004ac2006 ffffe00004ac21a0 : netr28x+0x349f ffffd00020d459a0 fffff80000baa248 : ffffe00004ac2eb8 0000000000000000 ffffe00000000000 ffffe00004ac21a0 : ndis!ndisMInvokeInitialize+0x39 ffffd00020d459e0 fffff80000b74784 : 0000000000000050 ffffe00004907ba0 0000000000000000 01cecbbc328e6cde : ndis!ndisMInitializeAdapter+0x4dc ffffd00020d46050 fffff80000b74d3d : 0000000000000050 ffffe0000443e770 ffffc00000951480 ffffe00004ac21a0 : ndis!ndisInitializeAdapter+0x60 ffffd00020d460a0 fffff80000b74c14 : ffffe00004ac21a0 ffffe00004ac2050 ffffe000047ec2a0 0000000000000000 : ndis!ndisPnPStartDevice+0x89 ffffd00020d460f0 fffff80000b87695 : ffffe00004ac21a0 ffffe00004ac21a0 ffffd00020d461b0 ffffe000047ec2a0 : ndis!ndisStartDeviceSynchronous+0x58 ffffd00020d46140 fffff80000b6a760 : ffffe000047ec2a0 ffffe00004ac21a0 0000000000000000 0000000000000000 : ndis!ndisPnPIrpStartDevice+0x13471 ffffd00020d46170 fffff8000032576c : ffffe00004b11501 ffffe00004b11570 0000000000000001 fffff80000325880 : ndis!ndisPnPDispatch+0x140 ffffd00020d461e0 fffff8000030b40a : ffffe000047ec2a0 0000000000000106 ffffd00020d462f0 ffffe00004b116c0 : Wdf01000!FxPkgFdo::PnpSendStartDeviceDownTheStackOverload+0xe8 ffffd00020d46250 fffff80000305942 : 0000000000000106 ffffd00020d462f0 0000000000000105 ffffd00020d464d0 : Wdf01000!FxPkgPnp::PnpEventInitStarting+0xa ffffd00020d46280 fffff80000305a5a : ffffe00004b116c8 0000000000000002 ffffe00004b11570 ffffe00004b11600 : Wdf01000!FxPkgPnp::PnpEnterNewState+0x102 ffffd00020d46310 fffff80000305bc4 : 0000000000000000 ffffd00020d46400 ffffe00004b116a0 0000000000000000 : Wdf01000!FxPkgPnp::PnpProcessEventInner+0xc2 ffffd00020d46390 fffff8000030c27a : 0000000000000000 ffffe00004b11570 0000000000000000 ffffe00004b11570 : Wdf01000!FxPkgPnp::PnpProcessEvent+0xe4 ffffd00020d46430 fffff80000300936 : ffffe00004b11570 ffffd00020d464c0 0000000000000000 ffffe00004a0e630 : Wdf01000!FxPkgPnp::_PnpStartDevice+0x1e ffffd00020d46460 fffff800002fba18 : ffffe000047ec2a0 ffffe000047ec2a0 0000000000000000 ffffe0000486f020 : Wdf01000!FxPkgPnp::Dispatch+0xd2 ffffd00020d464d0 fffff801ef838796 : 0000000000000000 fffff801ef6aa101 0000000000000000 ffffd000208aa180 : Wdf01000!FxDevice::DispatchWithLock+0x7d8 ffffd00020d465b0 fffff801ef4d5bad : ffffe000011dc3a0 ffffd00020d46659 0000000000000000 fffff801ef7f5ba4 : nt!PnpAsynchronousCall+0x102 ffffd00020d465f0 fffff801ef838e57 : ffffe000011db8d0 ffffe000011db8d0 ffffe00004a8d060 ffffc00002b11200 : nt!PnpStartDevice+0xc5 ffffd00020d466c0 fffff801ef838fe7 : ffffe000011db8d0 ffffe000011db8d0 0000000000000000 ffffe000011db8d0 : nt!PnpStartDeviceNode+0x147 ffffd00020d46790 fffff801ef7fd19e : ffffe000011db8d0 0000000000000001 0000000000000001 ffffe00000000001 : nt!PipProcessStartPhase1+0x53 ffffd00020d467d0 fffff801ef897b17 : ffffe000011db8d0 0000000000000001 0000000000000000 fffff801ef7ef7b2 : nt!PipProcessDevNodeTree+0x3ce ffffd00020d46a50 fffff801ef4f5033 : 0000000100000003 0000000000000000 0000000000000000 0000000000000000 : nt!PiRestartDevice+0xaf ffffd00020d46aa0 fffff801ef44565d : fffff801ef4f4c90 ffffd00020d46bd0 0000000000000000 ffffe00004a10170 : nt!PnpDeviceActionWorker+0x3a3 ffffd00020d46b50 fffff801ef4eec80 : 0000000000000000 ffffe000010ff040 ffffe000010ff040 ffffe0000035c900 : nt!ExpWorkerThread+0x2b5 ffffd00020d46c00 fffff801ef55f2c6 : ffffd00020472180 ffffe000010ff040 ffffe00000608040 ffffc00000002710 : nt!PspSystemThreadStartup+0x58 ffffd00020d46c60 0000000000000000 : ffffd00020d47000 ffffd00020d41000 0000000000000000 0000000000000000 : nt!KiStartSystemThread+0x16 STACK_COMMAND: kb FOLLOWUP_IP: netr28x+840ad fffff800`03b430ad 4533e4 xor r12d,r12d SYMBOL_STACK_INDEX: 4 SYMBOL_NAME: netr28x+840ad FOLLOWUP_NAME: MachineOwner MODULE_NAME: netr28x IMAGE_NAME: netr28x.sys DEBUG_FLR_IMAGE_TIMESTAMP: 51de7a8d FAILURE_BUCKET_ID: AV_netr28x+840ad BUCKET_ID: AV_netr28x+840ad ANALYSIS_SOURCE: KM FAILURE_ID_HASH_STRING: km:av_netr28x+840ad FAILURE_ID_HASH: {a1f86ced-f566-ac23-afeb-1aa88ea5ab8f} Followup: MachineOwner

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  • shell script to start multiple Java programs from a directory at boot

    - by zcourts
    I'm not sure if this is the best approach to this, It's my first time doing all of this (including writing shell scripts). OS: Centos My problem: I want to start multiple shell scripts at boot. One of the shell scripts is to start my own services and 3 others are for third party services. The shell script to start my own services will be looking for jar files. I currently have two services (will change), written in Java. All services are named under convention prefix-service-servicename What I've done: I created the following directory structure /home/username/scripts init.sh boot/ boot/startthirdprtyservice1.sh boot/startthirdprtyservice2.sh boot/startthirdprtyservice3.sh boot/startmyservices.sh /home/username/services prefix-lib-libraryname.jar prefix-lib-libraryname.jar prefix-service-servicename.jar prefix-service-servicename.jar prefix-service-servicename.jar In init.sh I have the following: #!/bin/sh #This scripts run all executable scripts in the boot directory at boot #done by adding this script to the file /etc/rc.d/rc.local #nohup #run-parts /home/username/scripts/boot/* #for each file in the boot dir... # ignore the HUP (hangup) signal for s in ./boot/*;do if [ -x $s ]; then echo "Starting $s" nohup $s & fi done echo "Done starting bootup scripts " echo "\n" In the script boot/startmyservices.sh I have #!/bin/sh fnmatch () { case "$2" in $1) return 0 ;; esac ; return 1 ; } ##sub strin to match for SUBSTRING="prefix-service" for s in /home/username/services/*;do if [ -x $s ]; then #match service in the filename , i.e. only services are started if fnmatch "$SUBSTRING" "$s" ; then echo "Starting $s " nohup $s & fi fi done echo "Done starting Services" echo "\n" Finally: Usually you can stick a program in /etc/rc.d/rc.local for it to be run at boot but I don't think this works in this case, or rather I don't know what to put in there I've just learnt how to do this by reading up a bit so I'm not sure its particularly the best thing to do so any advice is appreciated. When I run init.sh nohup.out contains Starting the thirdparty daemon... thirdparty started... .... but nothing from myservices.sh and my Java services aren't running I'm not sure where to start debugging or what could be going wrong. Edit Found some issues and got it to work, used -x instead of -n to check if the string is none zero, needed the sub string check to also be if [[ $s = $SUBSTRING ]] ; then and this last one was just stupid, missing java -jar in front of $s Still unsure of how to get init.sh to run at boot though

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  • varnish3, mod_geoip with apache2 using mod_rewrite and mod_rpaf

    - by mursalat
    I am maintaining a website with 3 different versions of the site, with 3 different languages, handles with a single system written in php, which takes in environment variables based on the domain name that is being accessed. These are the three sites: myshop.com : english international version myshop.eu : european version of site myshop.ru : russian version of the site when myshop.com is accessed from russia it is to be redirected to myshop.ru, and any country from europe accesses myshop.com, is redirected to myshop.eu, and international visitors stay at myshop.com, although they can go to the country specific site. All these redirections for the country is done using GeoIP apache2 mod in order to determine the country code, which is used in a RewriteCondition to state a RewriteRule, there are some exceptions of IPs that do not do the rewrite for, basically the IPs of the developer's PCs. The site has been doing just fine, until we decided to setup varnish to give the site a boost, it really did give it a great boost, but the country specific rewrites has become buggy. What started to happen is that a russian visitor can go to myshop.com and won't be redirected, until he clicks a random link (perhaps a link not cached by varnish yet) and the user is redirected to their specific country. For that i setup mod_rpaf, and for exceptions to the rewrite rule (for the developer's ip), i used this RewriteCond %{HTTP:X-FORWARDED-FOR} !^43\.43\.43\.43, and i restarted varnish and apache2, it worked for a while, then it messed up again. And whole day i have been doing changes however i have little no clue as to what's going on, sometimes it works, and sometimes it doesn't, and sometimes it half works, etc... As for geoip, i used a php to check the $_SERVER variable, and here is the general idea of the output [HTTP_X_FORWARDED_FOR] => 43.43.43.44 [HTTP_X_VARNISH] => 1705675599 [SERVER_ADDR] => 127.0.0.1 [SERVER_PORT] => 80 [REMOTE_ADDR] => 43.43.43.44 [GEOIP_ADDR] => 43.43.43.44 [GEOIP_CONTINENT_CODE] => EU [GEOIP_COUNTRY_CODE] => FR [GEOIP_COUNTRY_NAME] => France Now, thanks to the "random" redirects, i hardly have a clue as to what is going on, so can you guys please give me some ideas as to what tools to use to debug this? I have tried to see the redirect logs, but they really dont show much, and varnishlog isn't helping much either - although i must admit i am no professional at varnish. I believe the problem is with varnish trying to cache the url, and thus apache redirects are not being done properly, however visits the site first has a redirect, and based on that other users are served the content, depending on from where the user was when the cache was last updated, is it correct? if so, how can i solve the problem? Also, i have the option of using geoip redirects on varnish3 instead of using apache2 to do the redirects, is that what the best practice is? Any suggestion as to debugging this or to fix this would be helpful! thnx!

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  • SSH: Connection Reset by Peer

    - by hopeless
    I have a Solaris 10 server on another network. I can ping it and telnet to it, but ssh doesn't connect. PuTTY log contains nothing of interest (they both negotiate to ssh v2) and then I get "Event Log: Network error: Software caused connection abort". ssh is defintely running: svcs -a | grep ssh online 12:12:04 svc:/network/ssh:default Here's an extract from the server's /var/adm/messages (anonymised) Jun 8 19:51:05 ******* sshd[26391]: [ID 800047 auth.crit] fatal: Read from socket failed: Connection reset by peer However, if I telnet to the box, I can login to ssh locally. I can also ssh to other (non-Solaris) machines on that network fine so I don't believe that it's a network issue (though, since I'm a few hundred miles away, I can't be sure). The server's firewall is disabled, so that shouldn't be a problem root@******** # svcs -a | grep -i ipf disabled Apr_27 svc:/network/ipfilter:default Any ideas what I should start checking? Update: Based on the feedback below, I've run sshd in debug mode. Here's the client output: $ ssh -vvv root@machine -p 32222 OpenSSH_5.0p1, OpenSSL 0.9.8h 28 May 2008 debug2: ssh_connect: needpriv 0 debug1: Connecting to machine [X.X.X.X] port 32222. debug1: Connection established. debug1: identity file /home/lawrencj/.ssh/identity type -1 debug1: identity file /home/lawrencj/.ssh/id_rsa type -1 debug1: identity file /home/lawrencj/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version Sun_SSH_1.1 debug1: no match: Sun_SSH_1.1 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.0 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent Read from socket failed: Connection reset by peer And here's the server output: root@machine # /usr/lib/ssh/sshd -d -p 32222 debug1: sshd version Sun_SSH_1.1 debug1: read PEM private key done: type RSA debug1: private host key: #0 type 1 RSA debug1: read PEM private key done: type DSA debug1: private host key: #1 type 2 DSA debug1: Bind to port 32222 on ::. Server listening on :: port 32222. debug1: Bind to port 32222 on 0.0.0.0. Server listening on 0.0.0.0 port 32222. debug1: Server will not fork when running in debugging mode. Connection from 1.2.3.4 port 2652 debug1: Client protocol version 2.0; client software version OpenSSH_5.0 debug1: match: OpenSSH_5.0 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-Sun_SSH_1.1 debug1: list_hostkey_types: ssh-rsa,ssh-dss debug1: Failed to acquire GSS-API credentials for any mechanisms (No credentials were supplied, or the credentials were unavailable or inaccessible Unknown code 0 ) debug1: SSH2_MSG_KEXINIT sent Read from socket failed: Connection reset by peer debug1: Calling cleanup 0x4584c(0x0) This line seems a likely candidate: debug1: Failed to acquire GSS-API credentials for any mechanisms (No credentials were supplied, or the credentials were unavailable or inaccessible

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  • File open fails initially when trying to open a file located on a win2k8 share but eventually can su

    - by Ruddy Douglass
    Core of the problem: I receive "(0x80070002) The system cannot find the file specified" for roughly 8 to 9 seconds before it can open it successfully. In a nutshell, we have two COM components. Component A calls into Component B and asks for a UNC filename to write to - the filename returned doesn't exist yet, but the path does - it then does its work, creates and populates the file, and tells Component B its done by making another com call. At that point Component B will call MoveFile to rename the file to its "official" name. This code has worked for (literally) years. Its works fine on win2k3. Its works fine when its running on win2k8 and points to a share on a win2k3 server. It also runs fine, if the share is actually located on the same win2k8 machine that the code is running on. But if you run it on win2k8 and point it to a share on a different win2k8 server, it fails. Both Component A & component B exist in their own Windows Service running with as a domain admin account. The shares are configured for "Everyone/Full control" in all test environments, similarly so are the underlying folders that the share points to. All machines are in the same domain. During debugging I realized the file actually does exist by the time I get to checking manually for it - after several iterations it occurred to me that the file doesn't "show up" until some delay passes by - so I put in the loop below in component B as shown below: int nCounter = 0; while (true) { CFileStatus fs; if (CFile::GetStatus(tempname, fs)) break; SleepEx(100, FALSE); nCounter++; } This code does, in fact, exit and nCounter is generally between 80 & 90 iterations when it does -- indicating the file "appears" approx 8 to 9 seconds later. Once that loop exits the code can successfully rename the file and all further processing appears to work. I put a CFile::GetStatus in component A immediately before it calls into Component B and that indicates success - it can see the file and get its true size yet the call into component b made immediately after can not see the file until the above indicated delay passes. I have verified the pathnames are precisely the same, even though it would clearly have to be for the calls to eventually succeed after a pause of 8 to 9 seconds... When something like this occurs I always assume there is a bug in my code until proven otherwise, but given (a) this code has executed properly for a very long time and (other than my diagnostic loop added) has not changed, and (b) it works in all environments except the win2k8 - win2k8 share, I'm guessing there is some OS issue in here that i do not understand. Any insight would be helpful. Thanks!

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  • GPO Software Uninstall Not Taking Place

    - by burmat
    I am having some trouble with my software GPO's and can't seem to find any answers using Google. I successfully deployed software using my policy but when I delete another, the uninstallation of the software does not take place. What I did: Deployed software using a GPO, used gpupdate /force on the workstation to update, reboot, and install the software Deleted another software installation by: Right-Click All Tasks Remove 'Immediately uninstall the software from users and computers' From there, I did another gpupdate /force to try and get the GPO to refresh and uninstall the software on the workstation. This did not work. I then forced replication between my domain controllers and ran another gpupdate /force on the workstation and this did not uninstall the software. There are not error logs or indications that the uninstall is being triggered when I go into the event viewer, and I know for a fact that the policy is working in other aspects. So my questions is: Where do I look next to find the answer as to why GPO software deployments are working but un-installations are not, based off of what I have already tried? Thank you in advance. UPDATE: After using gpresult /z, there is no indication of a pending un-installation or removal of software. Under the section entitled "Software Installations", the software I am trying to uninstall is not listed. There is no other indication that the software I am trying to uninstall even exists. I also turned on RSoP logging and did (yet another) gpupdate /force to yield no blatant results. There is no indication that an uninstall event was even triggered, let alone incapability or failure. Although I am sure I marked it to uninstall in case of two events (the falling out of the scope of management, as well as the removal of the entry), I am beginning to think the entry just never triggered something that should have been triggered. UPDATE #2: After troubleshooting this (frustrating) application assignment, I have chalked it up as a fluke. I have tested with other software to make sure that the uninstall of other application assignments is actually working, so I am assuming it is something related to the package directly. There is the possibility that my problem resides in something related to what @joeqwerty linked in a comment below but because I can't go back in time, I don't think I will be able to prove it. I will probably be running a script via another GPO to guarantee the un-installation of left over package installs. For now, Evan Anderson is getting the answer because of the debugging information I was able to put to good use. Thank you to everyone that helped contribute so far!

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  • Tomcat with virtual hosts - 404

    - by Thardas
    I have a CentOS 5.2 server set up with Apache 2.2.3 and Tomcat 5.5.27. The server hosts multiple virtual hosts connected to multiple Tomcats. For instance we have one tomcat for development and testing and one tomcat for production. project.demo.us.com points to dev tomcat and project.us.com points to production tomcat. Here's the virtual host's configuration: <VirtualHost *:80> ServerName project.demo.us.com CustomLog logs/project.demo.us.com/access_log combined env=!VLOG ErrorLog logs/project.demo.us.com/error_log DocumentRoot /var/www/vhosts/project.demo.us.com <Directory /var/www/vhosts/project.demo.us.com> Allow from all AllowOverride All Options -Indexes FollowSymLinks </Directory> ########## ########## ########## JkMount /project/* online </VirtualHost> JkMount line defines that we use online worker and our workers.properties contains this: worker.list=..., online, ... worker.online.port=7703 worker.online.host=localhost worker.online.type=ajp13 worker.online.lbfactor=1 And tomcat's conf/server.xml contains: <Connector port="7703" enableLookups="false" redirectPort="8443" protocol="AJP/1.3" URIEncoding="UTF-8" maxThreads="80" minSpareThreads="10" maxSpareThreads="15"/> I'm not sure what redirectPort is but I tried to telnet to that port and there's no one answering, so it shouldn't matter? Tomcat's webapps directory contains project.war and the server automatically deployed it under project directory which contains index.jsp and hello.html. The latter is for static debugging purposes. Now when I try to access http://project.demo.us.com/project/index.jsp, I get Tomcat's HTTP Status 404 - The requested resource () is not available. The same thing happens to hello.html so it's not working with static content either. Apache's access_log contains: 88.112.152.31 - - [10/Aug/2009:12:15:14 +0300] "GET /demo/index.jsp HTTP/1.1" 404 952 "-" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2" I couldn't find any mention of the request in Tomcat's logs. If I shutdown this specific tomcat, I no longer get Tomcat's 404 but Apache's 503 Service Temporarily Unavailable, so I should be configuring the correct Tomcat. Is there something obvious that I'm missing? Is there any place where I could find out what path the Tomcat is using to look for requested files?

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  • Puppet master fails to run under nginx+passenger configuration as rack app, works when run as system service

    - by Anadi Misra
    I get the error [anadi@bangda ~]# tail -f /var/log/nginx/error.log [ pid=19741 thr=23597654217140 file=utils.rb:176 time=2012-09-17 12:52:43.307 ]: *** Exception LoadError in PhusionPassenger::Rack::ApplicationSpawner (no such file to load -- puppet/application/master) (process 19741, thread #<Thread:0x2aec83982368>): from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' from config.ru:13 from /usr/local/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval' from /usr/local/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize' from config.ru:1:in `new' from config.ru:1 when I start nginx server with passenger module configured, puppet master configured to run through rack. here is the config.ru [anadi@bangda ~]# cat /etc/puppet/rack/config.ru # a config.ru, for use with every rack-compatible webserver. # SSL needs to be handled outside this, though. # if puppet is not in your RUBYLIB: #$:.unshift('/usr/share/puppet/lib') $0 = "master" # if you want debugging: # ARGV << "--debug" ARGV << "--rack" require 'puppet/application/master' # we're usually running inside a Rack::Builder.new {} block, # therefore we need to call run *here*. run Puppet::Application[:master].run and the nginx configuration for puppet master is as follows [anadi@bangda ~]# cat /etc/nginx/conf.d/puppet-master.conf server { listen 8140 ssl; server_name bangda.mycompany.com; passenger_enabled on; passenger_set_cgi_param HTTP_X_CLIENT_DN $ssl_client_s_dn; passenger_set_cgi_param HTTP_X_CLIENT_VERIFY $ssl_client_verify; access_log /var/log/nginx/puppet/master.access.log; error_log /var/log/nginx/puppet/master.error.log; root /etc/puppet/rack/public; ssl_certificate /var/lib/puppet/ssl/certs/bangda.mycompany.com.pem; ssl_certificate_key /var/lib/puppet/ssl/private_keys/bangda.mycompany.com.pem; ssl_crl /var/lib/puppet/ssl/ca/ca_crl.pem; ssl_client_certificate /var/lib/puppet/ssl/certs/ca.pem; ssl_ciphers SSLv2:-LOW:-EXPORT:RC4+RSA; ssl_prefer_server_ciphers on; ssl_verify_client optional; ssl_verify_depth 1; ssl_session_cache shared:SSL:128m; ssl_session_timeout 5m; } however when I run puppet through the ususal puppetmasterd daemon it works perfect with no errors. I can see somehow the nginx+passenger+rack setup fails to initialize while the same works when running the natvie puppetmaster daemon. Any configuration that I am missing?

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  • File open fails initially when trying to open a file located on a win2k8 share but eventually can su

    - by Ruddy Douglass
    Core of the problem: I receive "(0x80070002) The system cannot find the file specified" for roughly 8 to 9 seconds before it can open it successfully. In a nutshell, we have two COM components. Component A calls into Component B and asks for a UNC filename to write to - the filename returned doesn't exist yet, but the path does - it then does its work, creates and populates the file, and tells Component B its done by making another com call. At that point Component B will call MoveFile to rename the file to its "official" name. This code has worked for (literally) years. Its works fine on win2k3. Its works fine when its running on win2k8 and points to a share on a win2k3 server. It also runs fine, if the share is actually located on the same win2k8 machine that the code is running on. But if you run it on win2k8 and point it to a share on a different win2k8 server, it fails. Both Component A & component B exist in their own Windows Service running with as a domain admin account. The shares are configured for "Everyone/Full control" in all test environments, similarly so are the underlying folders that the share points to. All machines are in the same domain. During debugging I realized the file actually does exist by the time I get to checking manually for it - after several iterations it occurred to me that the file doesn't "show up" until some delay passes by - so I put in the loop below in component B as shown below: int nCounter = 0; while (true) { CFileStatus fs; if (CFile::GetStatus(tempname, fs)) break; SleepEx(100, FALSE); nCounter++; } This code does, in fact, exit and nCounter is generally between 80 & 90 iterations when it does -- indicating the file "appears" approx 8 to 9 seconds later. Once that loop exits the code can successfully rename the file and all further processing appears to work. I put a CFile::GetStatus in component A immediately before it calls into Component B and that indicates success - it can see the file and get its true size yet the call into component b made immediately after can not see the file until the above indicated delay passes. I have verified the pathnames are precisely the same, even though it would clearly have to be for the calls to eventually succeed after a pause of 8 to 9 seconds... When something like this occurs I always assume there is a bug in my code until proven otherwise, but given (a) this code has executed properly for a very long time and (other than my diagnostic loop added) has not changed, and (b) it works in all environments except the win2k8 - win2k8 share, I'm guessing there is some OS issue in here that i do not understand. Any insight would be helpful. Thanks!

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  • What PHP, Xdebug and Eclipse configurations work on Windows 7 64 bit?

    - by thaddeusmt
    I have been mucking around for days, trying to find the right combination that lets me debug with breakpoints and variable viewing, in Eclipse, without crashing Apache. PHP 5.3? PHP 5.2? Eclipse Helios? Eclipse Galileo? One or the other with certain versions of xdebug or php? Or do I really need to use NetBeans or something else? Is my 64 bit OS the problem? Do need specific 64bit versions of PHP, Eclipse or Xdebug to work on Windows 7 64? Any special xdebug config options and tricks that I need in php.ini? Like turning off xdebug.profiler_enable or not using quotes around my zend_extension path to the xdebug dll? A Vhosts issue? Scrap the whole thing and go back to Win XP or Ubuntu? Here's what I've already been reading: http://stackoverflow.com/questions/4509245/so-eclipse-and-xdebug-walk-into-a-bar-and-then-my-apache-server-dies/4602473 http://stackoverflow.com/questions/206788/why-does-xdebug-crash-apache-on-every-xampp-install-ive-tried http://bugs.xdebug.org/view.php?id=459 https://bugs.eclipse.org/bugs/show_bug.cgi?id=312951#c8 http://stackoverflow.com/questions/2799936/xdebug-for-php-5-2-on-windows-7-64bit and so and so on... SO, xdebug bug tracker, eclipse bugzilla, etc, etc Basically what would be great is if folks could post their working (i.e. debugging with breakpoints and local variable viewing in Eclipse) Win7 64bit configurations, including: PHP version (5.3.1, 5.2.11, etc) Xdebug dll (2.1.0-5.3-vc6, etc) Xdebug php.ini config (zend_extension = "C:\xampp\php\ext\php_xdebug.dll", etc) Apache version (2.2.14, etc) Eclipse version Anything else important? The "secret ingredient"? Thanks! I miss my debugger since I got a new laptop with Win 7! Sadly it looks like some of the drivers (switchable graphics, multi-touch pad, etc) on my lappy don't work right with Ubuntu yet, so I feel a bit trapped on Win :( I know I will figure something out eventually, but I've been at this trial-and-error game a while and am seeking some guidance. (Originally posted on StackOverflow here, but moved to SuperUser:) http://stackoverflow.com/questions/4628215/what-php-xdebug-and-eclipse-configurations-work-on-windows-7-64-bit

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  • possible UDP attack on BIND?

    - by Waleed Hamra
    hello everyone, i was surprised last month when my EC2 instance (ubuntu precise server), that is supposed to be under the free tier still, accumulated lots of traffic... today, while checking my current billing statement, i noticed i already have tons of traffic, while still in the middle of the month, and i'm fearing what my bill by the end of the month is going to be... i installed bandwidthd, and after few minutes, i noticed lots of UDP traffic to "108.162.233.15". this is apparently a cloudflare IP, and i don't have anything using cloudflare (as far as i know). so i ran "iftop" to see what ports are being used, and i saw the UDP traffic coming from port 80 to my port 53... why would a webserver query dns? so i stopped bind on my server, and ran it in foreground debugging mode, and saw the following query, being repeated continuously: 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: UDP request 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: request is not signed 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: recursion available 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: query 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: query (cache) 'isc.org/ANY/IN' approved 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: send 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: sendto 17-Nov-2012 12:30:58.216 client 108.162.233.15#80: senddone 17-Nov-2012 12:30:58.217 client 108.162.233.15#80: next 17-Nov-2012 12:30:58.217 client 108.162.233.15#80: endrequest 17-Nov-2012 12:30:58.217 client @0x7fbee05126e0: udprecv 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: UDP request 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: request is not signed 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: recursion available 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: query 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: query (cache) 'isc.org/ANY/IN' approved 17-Nov-2012 12:30:58.343 client 108.162.233.15#80: send 17-Nov-2012 12:30:58.344 client 108.162.233.15#80: sendto 17-Nov-2012 12:30:58.344 client 108.162.233.15#80: senddone 17-Nov-2012 12:30:58.344 client 108.162.233.15#80: next 17-Nov-2012 12:30:58.344 client 108.162.233.15#80: endrequest my question is... is this normal? should i be worried? or is this completely irrelevant to my data charges, and i should wait to see more data from bandwidthd? thank you in advance.

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  • usb_modeswitch not switching

    - by deniz
    After I upgraded from kernel 2.6.18 to 3.5.3 modeswitch started not to work for me. Although lsusb shows my usb modem, usb_modeswitch does not switch it. My system information is like below. I ran lsusb, dmesg, usb-devices and usb_modeswitch their output is like below. usb_modeswitch instead of switching my modem it says "No devices in default mode found. Nothing to do. Bye.". Can you offer a solution? Kernel: Linux 3.5.3 usb_modeswitch: 1.2.3-1 usb_modeswitch-data: 20120120-1 usbutils: 006-1 libusb: 1.0.8-0.1 root@localhost$ lsusb Bus 002 Device 029: ID 12d1:1446 Huawei Technologies Co., Ltd. root@localhost$ dmesg [70112.477080] usb 2-1.4: new high-speed USB device number 30 using ehci_hcd [70112.567757] scsi49 : usb-storage 2-1.4:1.0 [70112.567842] scsi50 : usb-storage 2-1.4:1.1 [70113.571433] scsi 49:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [70113.572304] scsi 50:0:0:0: Direct-Access HUAWEI TF CARD Storage PQ: 0 ANSI: 2 [70113.574169] sr0: scsi-1 drive [70113.574223] sr 49:0:0:0: Attached scsi CD-ROM sr0 [70113.574250] sr 49:0:0:0: Attached scsi generic sg1 type 5 [70113.574350] sd 50:0:0:0: Attached scsi generic sg2 type 0 [70113.577173] sd 50:0:0:0: [sdb] Attached SCSI removable disk root@localhost$ usb-devices T: Bus=02 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#= 30 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=12d1 ProdID=1446 Rev=00.00 S: Manufacturer=Huawei Technologies S: Product=HUAWEI Mobile C: #Ifs= 2 Cfg#= 1 Atr=c0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage I: If#= 1 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage root@localhost$ cat /etc/usb_modeswitch.d/12d1\:1446 # Huawei, newer modems TargetVendor= 0x12d1 TargetProductList="1001,1406,140b,140c,1412,141b,1433,1436,14ac,1506" MessageContent="55534243123456780000000000000011062000000100000000000000000000" root@localhost$ usb_modeswitch -c /etc/usb_modeswitch.d/12d1:1446 -v 12d1 -p 1446 -W * usb_modeswitch: handle USB devices with multiple modes * Version 1.2.3 (C) Josua Dietze 2012 * Based on libusb0 (0.1.12 and above) ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x12d1 DefaultProduct= 0x1446 TargetVendor= 0x12d1 TargetProduct= not set TargetClass= not set TargetProductList="1001,1406,140b,140c,1412,141b,1433,1436,14ac,1506" DetachStorageOnly=0 HuaweiMode=0 SierraMode=0 SonyMode=0 QisdaMode=0 GCTMode=0 KobilMode=0 SequansMode=0 MobileActionMode=0 CiscoMode=0 MessageEndpoint= not set MessageContent="55534243123456780000000000000011062000000100000000000000000000" NeedResponse=0 ResponseEndpoint= not set InquireDevice enabled (default) Success check disabled System integration mode disabled usb_set_debug: Setting debugging level to 15 (on) usb_os_find_busses: Skipping non bus directory devices usb_os_find_busses: Skipping non bus directory drivers usb_os_find_busses: Skipping non bus directory uevent usb_os_find_busses: Skipping non bus directory drivers_probe usb_os_find_busses: Skipping non bus directory drivers_autoprobe Looking for target devices ... No devices in target mode or class found Looking for default devices ... No devices in default mode found. Nothing to do. Bye. Thanks in advance.

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