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  • hibernate pagination mechanism

    - by haicnpmk44
    I am trying to use Hibernate pagination for my query (PostgreSQL ) i set setFirstResult(0), setMaxResults(20) for my sql query. My code like below: Session session = getSessionFactory().getCurrentSession(); session.beginTransaction(); Query query = session.createQuery("select id , customer_name , address from tbl_customers "); query.setFirstResult(0); query.setMaxResults(20); List<T> entities = query.list(); session.getTransaction().commit(); but when viewing SQL hibernate log, i still see full sql query: Hibernate: select customer0_.id as id9_, customer0_.customer_name as dst2_9_, customer0_.addres as dst3_9_ from tbl_customers customer0_ Why there is no LIMIT OFFSET in query of Hibernate pagination SQL log? Does anyone know about Hibernate pagination mechanism? I guess that Hibernate will select all data, put data into Resultset, and then paging in Resultset, right?

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  • Sum of a matrix, even or odd

    - by user1790201
    This function receives a numeric matrix represented as a list of rows, where each row is in turn a list. Assume that it is a square matrix: all rows have the same length and there are as many rows as elements in each row. Also assume that the matrix is at least of dimension 2 by 2 (i.e. minimally the matrix has 2 rows with 2 elements each) The function should return a list with as many elements as number of rows. Element i in the resulting list should have the sum of the values in row i. For example, if the matrix is 1 2 3 10 20 30 100 200 300 then this function should return the list [6,60,600] That is, addValuesInAllRows( [ [1,2,3], [10,20,30], [100,200,300] ] ) should return [6,60,600] Isn't this sort of similar but how would you sum up the list individually

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  • How to exclude zero in a for loop in Java

    - by user1745508
    I'm trying to exclude the zero in this nested for loop here using != 0; but it is not doing anything. I'm trying to get the probability of each out come of 2 six sided dice when rolled. I must figure out the amount of times they are rolled first, but a die doesn't have a zero in it, so I must exclude it. I can't figure out why this doesn't work. for( die2 = 0; die2 <= 6 && die2 != 0; die2++) for( die1 = 0; die1 <= 6 && die1 != 0; die1++) System.out.println("Die 2: " + (die2 * userInputValue) + " " + "Die 1: " + (die1 * userInputValue));

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  • generate 10 UUID records and save it it database in rails

    - by user662503
    I need to create certain number of UUId records (based on the selection of a drop down) and save them in the database. Now I am generating only one unique id. Can this be done in the model in this way? Or do I need to write a helper file for that? def generate_unique_token=(value) self.secret = Base64.encode64(UUIDTools::UUID.random_create)[0..8] end My controller: def create @secretcode = Secretcode.new(params[:secretcode]) @user = User.new(params[:user]) @secretcode.user_id = @user @secretcode.generate_unique_token = params[:secretcode][:secret] if @secretcode.valid? @secretcode.save redirect_to secretcodes_path else render 'new' end end My view page <%= form_for(@secretcode) do |f| %> <%= f.select(:secret, options_for_select([['1',1], ['10',10], ['20',20],['50',50]['100',100]])) %> <%= render 'layouts/error' %> <%=f.label :secret%> <%= f.hidden_field :user %> <%=f.submit :generate %> <% end %>

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  • sorting set of five string in alphabetical oder throwing warning?

    - by rost rost
    sorting set of five string in alphabetical oder throwing warning ?my code is below please help me to fix it #include<stdio.h> #include<string.h> int main() { char a[5][20],t[20]; int i,j; printf("enter 5 string\n") scanf("%s",a); for(i=1;i<5;i++) { for(j=1;j<5;j++) { if(strcmp(a[j-1],a[j])>0) { strcpy (t,a[j-1]); strcpy (a[j-1],a[j]); strcpy(a[j],t); } } } for(i=1;i<5;i++) printf("%s\n",a[i]); } ~

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  • PHP SQL, SELECT corresponding data from 3 tables at once?

    - by user346325
    I have 3 tables, 'u' 'd' 's' 'u' has userid divid 'd' has divid divname 's' has sname primaryuserid secondaryuserid Now what I'd like to do is display a table with rows of the following format userid, divname, sname Plus figure out a way to decipher whether userid is a primary or secondary for this sname table. I'm able to show userid and divname using a left join, but I don't know how I would add a third table? To make it trickier, there can be more than 1 snames for each userid, up to ~20. Is there a way to display 0-20 snames depending on the userid, seperated with commas?

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  • Quiz module as a part of SQL Tutorial (Project) in C#. Help!

    - by N1107
    Kindly help. Am a beginner in C#. The details of my project work include: Front End: C# Back End: SQL MS Visual Studio 2010 Windows Application Quiz Module Each session contains 20 questions. At the end of the test, the test-engine will evaluate the answers. If the student obtains more than 50% then he can unlock the next module. And his test score is printed using Crystal Reports and saved in teacher's database, against that student's record. Else, if his score is less than 50%, the test-engine will count the no. of attempts to clear the quiz & randomly generate another set of 20 questions from a file (from the teacher's database). It's complicated for me cause am a beginner. Would appreciate some help. Thanks.

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  • Query to select from two different tables

    - by ryan
    I would like to select from two tables and display my result using this query: CREATE TABLE Buy_Table ( buy_id int identity primary key, user_id int, amount decimal (18,2) ); go INSERT INTO Buy_Table (user_id, amount) VALUES ('1', 10), ('1', 8), ('1', 20), ('3', 1), ('2', 2); go CREATE TABLE Sell_Table ( sell_id int identity primary key, user_id int, amount decimal (18,2) ); go INSERT INTO Sell_Table (user_id, amount) VALUES ('1', 10), ('1', 8), ('1', 20), ('3', 3), ('2', 3); go select [user_id], 'Buy' as [Type], buy_id as [ID], amount from Buy_Table union all select [user_id], 'Sell', sell_id, amount from Sell_Table order by [user_id], [ID], [Type] However the above query will return each row of the user_id like this I want to display my result to something like this in a grid: Can this be done in query itself rather manipulating the grid? Thx

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  • correct mysql syntax error

    - by user2981651
    please could someone tell me the problem with this syntax because mysql 5.5.32 keeps tell me about an error CREATE TABLE `clients` ( `ID` tinyint(11) NOT NULL auto_increment, `title` varchar(10) NOT NULL default '', `firstName` varchar(30) NOT NULL default '', `lastName` varchar(30) NOT NULL default '', `address1` varchar(100) NOT NULL default '', `address2` varchar(100) NOT NULL default '', `town` varchar(100) NOT NULL default '', `province` varchar(100) NOT NULL default '', `country` varchar(40) NOT NULL default '', `postCode` varchar(20) NOT NULL default '', `telephone` varchar(20) NOT NULL default '', `email` varchar(100) NOT NULL default '', `cardNo` varchar(16) NOT NULL default '0000-00-00', `expiryDate` date NOT NULL default '0000-00-00', PRIMARY KEY (`ID`) ) TYPE=MyISAM COMMENT='customer table' AUTO_INCREMENT=1 ;

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  • dns queries not using nscd for caching

    - by xenoterracide
    I'm trying to use nscd (Nameservices Cache Daemon) to cache dns locally so I can stop using bind to do it. I've gotten it started and ntpd seems to attempt to use it. But everything else for hosts seems to ignore it. e.g if I do dig apache.org 3 times none of them will hit the cache. I'm viewing the cache stats using nscd -g to determine whether it's been used. I've also turned the debug log level up to see if I can see it hitting and the queries don't even hit nscd. nsswitch.conf # Begin /etc/nsswitch.conf passwd: files group: files shadow: files publickey: files hosts: cache files dns networks: files protocols: files services: files ethers: files rpc: files netgroup: files # End /etc/nsswitch.confenter code here nscd.conf # # /etc/nscd.conf # # An example Name Service Cache config file. This file is needed by nscd. # # Legal entries are: # # logfile <file> # debug-level <level> # threads <initial #threads to use> # max-threads <maximum #threads to use> # server-user <user to run server as instead of root> # server-user is ignored if nscd is started with -S parameters # stat-user <user who is allowed to request statistics> # reload-count unlimited|<number> # paranoia <yes|no> # restart-interval <time in seconds> # # enable-cache <service> <yes|no> # positive-time-to-live <service> <time in seconds> # negative-time-to-live <service> <time in seconds> # suggested-size <service> <prime number> # check-files <service> <yes|no> # persistent <service> <yes|no> # shared <service> <yes|no> # max-db-size <service> <number bytes> # auto-propagate <service> <yes|no> # # Currently supported cache names (services): passwd, group, hosts, services # logfile /var/log/nscd.log threads 4 max-threads 32 server-user nobody # stat-user somebody debug-level 9 # reload-count 5 paranoia no # restart-interval 3600 enable-cache passwd yes positive-time-to-live passwd 600 negative-time-to-live passwd 20 suggested-size passwd 211 check-files passwd yes persistent passwd yes shared passwd yes max-db-size passwd 33554432 auto-propagate passwd yes enable-cache group yes positive-time-to-live group 3600 negative-time-to-live group 60 suggested-size group 211 check-files group yes persistent group yes shared group yes max-db-size group 33554432 auto-propagate group yes enable-cache hosts yes positive-time-to-live hosts 3600 negative-time-to-live hosts 20 suggested-size hosts 211 check-files hosts yes persistent hosts yes shared hosts yes max-db-size hosts 33554432 enable-cache services yes positive-time-to-live services 28800 negative-time-to-live services 20 suggested-size services 211 check-files services yes persistent services yes shared services yes max-db-size services 33554432 resolv.conf # Generated by dhcpcd from eth0 nameserver 127.0.0.1 domain westell.com nameserver 192.168.1.1 nameserver 208.67.222.222 nameserver 208.67.220.220 as kind of a side note I'm using archlinux.

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  • /etc/rc.local not being run on Ubuntu Desktop Install

    - by loosecannon
    I have been trying to get sphinx to run at boot, so I added some lines to /etc/rc.local but nothing happens when I start up. If i run it manually it works however. /etc/init.d/rc.local start works fine as does /etc/rc.local It's listed in the default runlevel and is all executable but it does not work. I am considering writing a separate init.d script to do the same thing but that's a lot of work for a simple task dumbledore:/etc/init.d# ls -l rc* -rwxr-xr-x 1 root root 8863 2009-09-07 13:58 rc -rwxr-xr-x 1 root root 801 2009-09-07 13:58 rc.local -rwxr-xr-x 1 root root 117 2009-09-07 13:58 rcS dumbledore:/etc/init.d# ls /etc/rc.local -l -rwxr-xr-x 1 root root 491 2011-05-14 16:13 /etc/rc.local dumbledore:/etc/init.d# runlevel N 2 dumbledore:/etc/init.d# ls /etc/rc2.d/ -l total 4 lrwxrwxrwx 1 root root 18 2011-04-22 18:53 K08vmware -> /etc/init.d/vmware -rw-r--r-- 1 root root 677 2011-03-28 15:10 README lrwxrwxrwx 1 root root 18 2011-04-22 18:53 S19vmware -> /etc/init.d/vmware lrwxrwxrwx 1 root root 18 2011-05-15 14:09 S20ddclient -> ../init.d/ddclient lrwxrwxrwx 1 root root 20 2011-03-10 18:00 S20fancontrol -> ../init.d/fancontrol lrwxrwxrwx 1 root root 20 2011-03-10 18:00 S20kerneloops -> ../init.d/kerneloops lrwxrwxrwx 1 root root 27 2011-03-10 18:00 S20speech-dispatcher -> ../init.d/speech-dispatcher lrwxrwxrwx 1 root root 19 2011-03-10 18:00 S25bluetooth -> ../init.d/bluetooth lrwxrwxrwx 1 root root 20 2011-03-10 18:00 S50pulseaudio -> ../init.d/pulseaudio lrwxrwxrwx 1 root root 15 2011-03-10 18:00 S50rsync -> ../init.d/rsync lrwxrwxrwx 1 root root 15 2011-03-10 18:00 S50saned -> ../init.d/saned lrwxrwxrwx 1 root root 19 2011-03-10 18:00 S70dns-clean -> ../init.d/dns-clean lrwxrwxrwx 1 root root 18 2011-03-10 18:00 S70pppd-dns -> ../init.d/pppd-dns lrwxrwxrwx 1 root root 14 2011-05-07 11:22 S75sudo -> ../init.d/sudo lrwxrwxrwx 1 root root 24 2011-03-10 18:00 S90binfmt-support -> ../init.d/binfmt-support lrwxrwxrwx 1 root root 17 2011-05-12 21:18 S91apache2 -> ../init.d/apache2 lrwxrwxrwx 1 root root 22 2011-03-10 18:00 S99acpi-support -> ../init.d/acpi-support lrwxrwxrwx 1 root root 21 2011-03-10 18:00 S99grub-common -> ../init.d/grub-common lrwxrwxrwx 1 root root 18 2011-03-10 18:00 S99ondemand -> ../init.d/ondemand lrwxrwxrwx 1 root root 18 2011-03-10 18:00 S99rc.local -> ../init.d/rc.local dumbledore:/etc/init.d# cat /etc/rc.local #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # # In order to enable or disable this script just change the execution # bits. # # By default this script does nothing. # Start sphinx daemon for rails app on startup # Added 2011-05-13 # Cannon Matthews cd /var/www/extemp /usr/bin/rake ts:config /usr/bin/rake ts:start touch ./tmp/ohyeah cd - exit 0 dumbledore:/etc/init.d# cat /etc/init.d/rc.local #! /bin/sh ### BEGIN INIT INFO # Provides: rc.local # Required-Start: $remote_fs $syslog $all # Required-Stop: # Default-Start: 2 3 4 5 # Default-Stop: # Short-Description: Run /etc/rc.local if it exist ### END INIT INFO PATH=/sbin:/usr/sbin:/bin:/usr/bin . /lib/init/vars.sh . /lib/lsb/init-functions do_start() { if [ -x /etc/rc.local ]; then [ "$VERBOSE" != no ] && log_begin_msg "Running local boot scripts (/etc/rc.local)" /etc/rc.local ES=$? [ "$VERBOSE" != no ] && log_end_msg $ES return $ES fi } case "$1" in start) do_start ;; restart|reload|force-reload) echo "Error: argument '$1' not supported" >&2 exit 3 ;; stop) ;; *) echo "Usage: $0 start|stop" >&2 exit 3 ;; esac

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  • Sometimes this script fails to update the iptables

    - by AlJo
    It does not happen often, but sometimes after running the below script, checking the iptables with service iptables status shows that they weren't updated and the script doesn't output any error. The iptables is structured as look-up tree (long repeated sections snipped): #!/bin/sh iptables -t nat -F iptables -t nat -X iptables -F iptables -X iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -s 93.225.0.0/16 -j ACCEPT iptables -A INPUT -s 15.102.0.0/16 -j ACCEPT iptables -A INPUT -s 47.122.0.0/16 -j ACCEPT iptables -N MY_CHAIN_L1-0 iptables -N MY_CHAIN_L1-1 iptables -N MY_CHAIN_L1-2 iptables -N MY_CHAIN_L1-3 iptables -N MY_CHAIN_L1-4 iptables -N MY_CHAIN_L1-5 iptables -N MY_CHAIN_L1-6 iptables -N MY_CHAIN_L1-7 iptables -N MY_CHAIN_L1-8 iptables -N MY_CHAIN_L1-9 iptables -N MY_CHAIN_L1-10 iptables -N MY_CHAIN_L1-11 iptables -N MY_CHAIN_L1-12 iptables -N MY_CHAIN_L1-13 iptables -N MY_CHAIN_L1-14 iptables -N MY_CHAIN_L1-15 iptables -N MY_CHAIN_L1-16 iptables -N MY_CHAIN_L1-17 iptables -N MY_CHAIN_L1-18 iptables -N MY_CHAIN_L1-19 iptables -N MY_CHAIN_L1-20 iptables -N MY_CHAIN_L1-21 iptables -N MY_CHAIN_L1-22 iptables -N MY_CHAIN_L1-23 iptables -N MY_CHAIN_L1-24 iptables -N MY_CHAIN_L1-25 iptables -N MY_CHAIN_L1-26 iptables -N MY_CHAIN_L1-27 iptables -N MY_CHAIN_L1-28 iptables -N MY_CHAIN_L1-29 iptables -N MY_CHAIN_L1-30 iptables -N MY_CHAIN_L1-31 iptables -N MY_CHAIN_L1-32 iptables -N MY_CHAIN_L1-33 iptables -N MY_CHAIN_L1-34 iptables -N MY_CHAIN_L1-35 iptables -N MY_CHAIN_L1-36 iptables -N MY_CHAIN_L1-37 iptables -A INPUT -m iprange --src-range 1.54.96.0-5.133.179.255 -j MY_CHAIN_L1-0 iptables -A INPUT -m iprange --src-range 5.133.180.0-24.113.159.255 -j MY_CHAIN_L1-1 [snip] iptables -A INPUT -m iprange --src-range 195.13.45.0-198.11.255.255 -j MY_CHAIN_L1-29 iptables -A INPUT -m iprange --src-range 198.12.64.0-199.19.215.255 -j MY_CHAIN_L1-30 iptables -A INPUT -m iprange --src-range 199.21.96.0-200.31.3.255 -j MY_CHAIN_L1-31 iptables -A INPUT -m iprange --src-range 200.31.11.0-202.171.255.255 -j MY_CHAIN_L1-32 iptables -A INPUT -m iprange --src-range 203.130.134.192-206.212.255.255 -j MY_CHAIN_L1-33 iptables -A INPUT -m iprange --src-range 206.214.64.0-211.155.95.255 -j MY_CHAIN_L1-34 iptables -A INPUT -m iprange --src-range 212.19.128.0-216.176.191.255 -j MY_CHAIN_L1-35 iptables -A INPUT -m iprange --src-range 216.189.0.0-218.23.255.255 -j MY_CHAIN_L1-36 iptables -A INPUT -m iprange --src-range 218.30.96.0-223.255.231.255 -j MY_CHAIN_L1-37 iptables -A MY_CHAIN_L1-0 -s 1.54.96.0/20 -j DROP iptables -A MY_CHAIN_L1-0 -s 1.208.0.0/12 -j DROP iptables -A MY_CHAIN_L1-0 -s 1.224.0.0/11 -j DROP [snip] iptables -A MY_CHAIN_L1-0 -s 5.133.178.0/23 -j DROP iptables -A MY_CHAIN_L1-0 -j ACCEPT iptables -A MY_CHAIN_L1-1 -s 5.133.180.0/22 -j DROP iptables -A MY_CHAIN_L1-1 -s 5.135.0.0/16 -j DROP iptables -A MY_CHAIN_L1-1 -s 5.153.232.0/21 -j DROP [snip] iptables -A MY_CHAIN_L1-1 -s 24.113.128.0/19 -j DROP iptables -A MY_CHAIN_L1-1 -j ACCEPT . . . iptables -A MY_CHAIN_L1-29 -s 195.13.45.0/24 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.20.224.0/19 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.31.216.0/26 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.58.245.0/24 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.60.164.0/23 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.60.240.0/22 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.62.10.0/23 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.110.30.0/23 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.154.0.0/16 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.190.13.0/24 -j DROP iptables -A MY_CHAIN_L1-29 -s 195.211.152.0/22 -j DROP iptables -A MY_CHAIN_L1-1 -j ACCEPT [snip more of same to end of script] Can anyone see why this script would silently fail to update the iptables sometimes? Maybe it's not the script? Thanks

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  • Ubuntu 9.10 and Squid 2.7 Transparent Proxy TCP_DENIED

    - by user38400
    Hi, We've spent the last two days trying to get squid 2.7 to work with ubuntu 9.10. The computer running ubuntu has two network interfaces: eth0 and eth1 with dhcp running on eth1. Both interfaces have static ip's, eth0 is connected to the Internet and eth1 is connected to our LAN. We have followed literally dozens of different tutorials with no success. The tutorial here was the last one we did that actually got us some sort of results: http://www.basicconfig.com/linuxnetwork/setup_ubuntu_squid_proxy_server_beginner_guide. When we try to access a site like seriouswheels.com from the LAN we get the following message on the client machine: ERROR The requested URL could not be retrieved Invalid Request error was encountered while trying to process the request: GET / HTTP/1.1 Host: www.seriouswheels.com Connection: keep-alive User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/532.9 (KHTML, like Gecko) Chrome/5.0.307.11 Safari/532.9 Cache-Control: max-age=0 Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,/;q=0.5 Accept-Encoding: gzip,deflate,sdch Cookie: __utmz=88947353.1269218405.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none); __qca=P0-1052556952-1269218405250; __utma=88947353.1027590811.1269218405.1269218405.1269218405.1; __qseg=Q_D Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Some possible problems are: Missing or unknown request method. Missing URL. Missing HTTP Identifier (HTTP/1.0). Request is too large. Content-Length missing for POST or PUT requests. Illegal character in hostname; underscores are not allowed. Your cache administrator is webmaster. Below are all the configuration files: /etc/squid/squid.conf, /etc/network/if-up.d/00-firewall, /etc/network/interfaces, /var/log/squid/access.log. Something somewhere is wrong but we cannot figure out where. Our end goal for all of this is the superimpose content onto every page that a client requests on the LAN. We've been told that squid is the way to do this but at this point in the game we are just trying to get squid setup correctly as our proxy. Thanks in advance. squid.conf acl all src all acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl localnet src 192.168.0.0/24 acl SSL_ports port 443 # https acl SSL_ports port 563 # snews acl SSL_ports port 873 # rsync acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl Safe_ports port 631 # cups acl Safe_ports port 873 # rsync acl Safe_ports port 901 # SWAT acl purge method PURGE acl CONNECT method CONNECT http_access allow manager localhost http_access deny manager http_access allow purge localhost http_access deny purge http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access allow localnet http_access deny all icp_access allow localnet icp_access deny all http_port 3128 hierarchy_stoplist cgi-bin ? cache_dir ufs /var/spool/squid/cache1 1000 16 256 access_log /var/log/squid/access.log squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern (Release|Package(.gz)*)$ 0 20% 2880 refresh_pattern . 0 20% 4320 acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9] upgrade_http0.9 deny shoutcast acl apache rep_header Server ^Apache broken_vary_encoding allow apache extension_methods REPORT MERGE MKACTIVITY CHECKOUT cache_mgr webmaster cache_effective_user proxy cache_effective_group proxy hosts_file /etc/hosts coredump_dir /var/spool/squid access.log 1269243042.740 0 192.168.1.11 TCP_DENIED/400 2576 GET NONE:// - NONE/- text/html 00-firewall iptables -F iptables -t nat -F iptables -t mangle -F iptables -X echo 1 | tee /proc/sys/net/ipv4/ip_forward iptables -t nat -A POSTROUTING -j MASQUERADE iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 3128 networking auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 142.104.109.179 netmask 255.255.224.0 gateway 142.104.127.254 auto eth1 iface eth1 inet static address 192.168.1.100 netmask 255.255.255.0

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  • rpm rollback ignoring rpms - no error output

    - by John H
    Issue rpm rollback is not working with a set of repackaged rpms created in the last couple days, but does work with more recent ones. [root@host1 repackage]# ls -l zsh-4.2.6-* -rw-r--r-- 1 root root 1788283 Apr 10 2011 zsh-4.2.6-3.el5.i386.rpm -rw-r--r-- 1 root root 1788691 Aug 18 04:38 zsh-4.2.6-5.el5.i386.rpm [root@host1 repackage]# rpm -q zsh zsh-4.2.6-6.el5 [root@host1 repackage]# rpm --test -Uvh --rollback 'Aug 18 01:00' [root@host1 repackage]# rpm -e zsh [root@host1 repackage]# [root@host1 repackage]# ls -l zsh* -rw-r--r-- 1 root root 1788283 Apr 10 2011 zsh-4.2.6-3.el5.i386.rpm -rw-r--r-- 1 root root 1788691 Aug 18 04:38 zsh-4.2.6-5.el5.i386.rpm -rw-r--r-- 1 root root 1789064 Aug 20 09:06 zsh-4.2.6-6.el5.i386.rpm [root@host1 repackage]# cp zsh-4.2.6-6.el5.i386.rpm /tmp [root@host1 repackage]# rpm --test -Uvh --rollback 'Aug 18 01:00' Rollback packages (+1/-0) to Mon Aug 20 09:02:16 2012 (0x50323558): Preparing... ########################################### [100%] Cleaning up repackaged packages: Removing /var/spool/repackage/zsh-4.2.6-6.el5.i386.rpm: [root@host1 repackage]# ls -l zsh-4.2.6-* -rw-r--r-- 1 root root 1788283 Apr 10 2011 zsh-4.2.6-3.el5.i386.rpm -rw-r--r-- 1 root root 1788691 Aug 18 04:38 zsh-4.2.6-5.el5.i386.rpm [root@host1 repackage]# cp /tmp/zsh-4.2.6-6.el5.i386.rpm . [root@host1 repackage]# rpm -Uvh --rollback 'Aug 18 01:00' Rollback packages (+1/-0) to Mon Aug 20 09:06:05 2012 (0x5032363d): Preparing... ########################################### [100%] 1:zsh ########################################### [ 50%] Cleaning up repackaged packages: Removing /var/spool/repackage/zsh-4.2.6-6.el5.i386.rpm: [root@host1 repackage]# rpm --test -Uvh --rollback 'April 9' [root@host1 repackage]# Now, if I run my test commands with -Uvvh I get debug messages to stderror which shows me that rpm reads each of the rpm files in /var/spool/repackage. The only interesting bit is the "expected size" but after searching, the expected size should be different, as it records the files as they are on the filesystem. D: opening db environment /var/lib/rpm/Packages joinenv D: opening db index /var/lib/rpm/Packages rdonly mode=0x0 D: locked db index /var/lib/rpm/Packages D: opening db index /var/lib/rpm/Installtid rdonly mode=0x0 D: opening db index /var/lib/rpm/Pubkeys rdonly mode=0x0 D: read h# 769 Header sanity check: OK D: ========== DSA pubkey id 53268101 37017186 (h#769) D: read h# 32 Header V3 DSA signature: OK, key ID 37017186 D: read h# 40 Header V3 DSA signature: OK, key ID 37017186 ... D: read h# 1753 Header V3 DSA signature: OK, key ID 37017186 D: Expected size: 3628918 = lead(96)+sigs(344)+pad(0)+data(3628478) D: Actual size: 3583695 D: /var/spool/repackage/Deployment_Guide-en-US-5.2-11.noarch.rpm: Header V3 DSA signature: OK, key ID 37017186 D: Expected size: 1100789 = lead(96)+sigs(344)+pad(0)+data(1100349) D: Actual size: 1109281 D: /var/spool/repackage/NetworkManager-0.7.0-10.el5_5.2.i386.rpm: Header V3 DSA signature: OK, key ID 37017186 D: Expected size: 1098167 = lead(96)+sigs(344)+pad(0)+data(1097727) D: Actual size: 1106179 D: /var/spool/repackage/NetworkManager-0.7.0-9.el5.i386.rpm: Header V3 DSA signature: OK, key ID 37017186 D: Expected size: 84351 = lead(96)+sigs(344)+pad(0)+data(83911) D: Actual size: 85378 ... D: Expected size: 1788276 = lead(96)+sigs(344)+pad(0)+data(1787836) D: Actual size: 1788691 D: /var/spool/repackage/zsh-4.2.6-5.el5.i386.rpm: Header V3 DSA signature: OK, key ID 37017186 D: --- erase h#1758 D: closed db index /var/lib/rpm/Pubkeys D: closed db index /var/lib/rpm/Installtid D: closed db index /var/lib/rpm/Packages D: closed db environment /var/lib/rpm/Packages D: May free Score board((nil)) I am able to copy these rpms out of the repackage directory and if I run them through cpio, extract the files. I also tried backing up and rebuilding the rpm database - no change. System Information: RHEL 5.8 rpm 4.4.2.3 /etc/yum.conf tsflags=repackage /etc/rpm/macros %_repackage_all_erasures 1

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  • iptable CLUSTERIP won't work

    - by Rad Akefirad
    We have some requirements which explained here. We tried to satisfy them without any success as described. Here is the brief information: Here are requirements: 1. High Availability 2. Load Balancing Current Configuration: Server #1: one static (real) IP for each 10.17.243.11 Server #2: one static (real) IP for each 10.17.243.12 Cluster (virtual and shared among all servers) IP: 10.17.243.15 I tried to use CLUSTERIP to have the cluster IP by the following: on the server #1 iptables -I INPUT -i eth0 -d 10.17.243.15 -j CLUSTERIP --new --hashmode sourceip --clustermac 01:00:5E:00:00:20 --total-nodes 2 --local-node 1 on the server #2 iptables -I INPUT -i eth0 -d 10.17.243.15 -j CLUSTERIP --new --hashmode sourceip --clustermac 01:00:5E:00:00:20 --total-nodes 2 --local-node 2 When we try to ping 10.17.243.15 there is no reply. And the web service (tomcat on port 8080) is not accessible either. However we managed to get the packets on both servers by using TCPDUMP. Some useful information: iptable roules (iptables -L -n -v): Chain INPUT (policy ACCEPT 21775 packets, 1470K bytes) pkts bytes target prot opt in out source destination 0 0 CLUSTERIP all -- eth0 * 0.0.0.0/0 10.17.243.15 CLUSTERIP hashmode=sourceip clustermac=01:00:5E:00:00:20 total_nodes=2 local_node=1 hash_init=0 Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 14078 packets, 44M bytes) pkts bytes target prot opt in out source destination Log messages: ... kernel: [ 7.329017] e1000e: eth3 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None ... kernel: [ 7.329133] e1000e 0000:05:00.0: eth3: 10/100 speed: disabling TSO ... kernel: [ 7.329567] ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready ... kernel: [ 71.333285] ip_tables: (C) 2000-2006 Netfilter Core Team ... kernel: [ 71.341804] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) ... kernel: [ 71.343168] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully ... kernel: [ 108.456043] device eth0 entered promiscuous mode ... kernel: [ 112.678859] device eth0 left promiscuous mode ... kernel: [ 117.916050] device eth0 entered promiscuous mode ... kernel: [ 140.168848] device eth0 left promiscuous mode TCPDUMP while pinging: tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 12:11:55.335528 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 10.17.243.1 > 10.17.243.15: ICMP echo request, id 16162, seq 2390, length 64 12:11:56.335778 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 10.17.243.1 > 10.17.243.15: ICMP echo request, id 16162, seq 2391, length 64 12:11:57.336010 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 10.17.243.1 > 10.17.243.15: ICMP echo request, id 16162, seq 2392, length 64 12:11:58.336287 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 10.17.243.1 > 10.17.243.15: ICMP echo request, id 16162, seq 2393, length 64 And there is no ping reply as I said. Does anyone know which part I missed? Thanks in advance.

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  • SATA drive problems with two SIL RAID cards

    - by Jon Topper
    I've just put a second SiI 3114 SATARaid card in my home server so that I could add another pair of SATA drives and increase my storage space. Annoyingly, it doesn't seem to work: [ 32.816030] ata5: lost interrupt (Status 0x0) [ 32.816072] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [ 32.816091] ata5.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in [ 32.816094] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 32.816101] ata5.00: status: { DRDY } [ 32.816117] ata5: hard resetting link [ 33.136082] ata5: SATA link down (SStatus 0 SControl 0) [ 36.060940] irq 18: nobody cared (try booting with the "irqpoll" option) [ 36.060949] Pid: 0, comm: swapper Not tainted 2.6.31-20-generic #58-Ubuntu [ 36.060954] Call Trace: [ 36.060977] [] ? printk+0x18/0x1c [ 36.060997] [] __report_bad_irq+0x27/0x90 [ 36.061005] [] note_interrupt+0x150/0x190 [ 36.061011] [] handle_fasteoi_irq+0xac/0xd0 [ 36.061023] [] handle_irq+0x18/0x30 [ 36.061029] [] do_IRQ+0x47/0xc0 [ 36.061042] [] ? irq_exit+0x50/0x70 [ 36.061058] [] ? smp_apic_timer_interrupt+0x57/0x90 [ 36.061065] [] common_interrupt+0x30/0x40 [ 36.061075] [] ? native_safe_halt+0x5/0x10 [ 36.061082] [] default_idle+0x46/0xd0 [ 36.061088] [] cpu_idle+0x8c/0xd0 [ 36.061103] [] rest_init+0x55/0x60 [ 36.061111] [] start_kernel+0x2e6/0x2ec [ 36.061117] [] ? unknown_bootoption+0x0/0x19e [ 36.061133] [] i386_start_kernel+0x7c/0x83 [ 36.061137] handlers: [ 36.061139] [] (sil_interrupt+0x0/0xb0) [ 36.061151] Disabling IRQ #18 [ 38.136014] ata5: hard resetting link [ 38.456022] ata5: SATA link down (SStatus 0 SControl 0) [ 43.456013] ata5: hard resetting link [ 43.776022] ata5: SATA link down (SStatus 0 SControl 0) [ 43.776035] ata5.00: disabled [ 43.776055] ata5.00: device reported invalid CHS sector 0 [ 43.776074] sd 4:0:0:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 43.776082] sd 4:0:0:0: [sde] Sense Key : Aborted Command [current] [descriptor] [ 43.776092] Descriptor sense data with sense descriptors (in hex): [ 43.776097] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 43.776112] 00 00 00 00 [ 43.776118] sd 4:0:0:0: [sde] Add. Sense: No additional sense information [ 43.776127] end_request: I/O error, dev sde, sector 0 [ 43.776136] Buffer I/O error on device sde, logical block 0 [ 43.776170] ata5: EH complete [ 43.776187] ata5.00: detaching (SCSI 4:0:0:0) root@core:~# cat /proc/interrupts CPU0 0: 47 IO-APIC-edge timer 1: 8 IO-APIC-edge i8042 6: 3 IO-APIC-edge floppy 7: 0 IO-APIC-edge parport0 8: 0 IO-APIC-edge rtc0 9: 0 IO-APIC-fasteoi acpi 14: 53069 IO-APIC-edge pata_sis 15: 53004 IO-APIC-edge pata_sis 17: 112265 IO-APIC-fasteoi sata_sil 18: 200002 IO-APIC-fasteoi sata_sil, SiS SI7012 19: 111140 IO-APIC-fasteoi eth0 20: 0 IO-APIC-fasteoi ohci_hcd:usb2 21: 0 IO-APIC-fasteoi ohci_hcd:usb3 23: 0 IO-APIC-fasteoi ehci_hcd:usb1 NMI: 0 Non-maskable interrupts LOC: 6650492 Local timer interrupts SPU: 0 Spurious interrupts CNT: 0 Performance counter interrupts PND: 0 Performance pending work RES: 0 Rescheduling interrupts CAL: 0 Function call interrupts TLB: 0 TLB shootdowns TRM: 0 Thermal event interrupts THR: 0 Threshold APIC interrupts MCE: 0 Machine check exceptions MCP: 160 Machine check polls ERR: 0 MIS: 0 root@core:~# lspci | grep Raid 00:09.0 RAID bus controller: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller (rev 02) 00:0a.0 RAID bus controller: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller (rev 02) root@core:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 9.10 Release: 9.10 Codename: karmic root@core:~# uname -a Linux core.topper.me.uk 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 05:23:09 UTC 2010 i686 GNU/Linux I've tried a combination of different kernel options (irqpoll, noapic, noacpi, pci=noapic) all to no avail. Does anyone have any bright ideas about how I can go about making this work? Swapping PCI cards around isn't an option as there are only two slots in this motherboard (an ASRock K7S41GX). The BIOS doesn't look to have too much in the way of configuration options regarding IRQ usage. Plan B is to ditch this server completely and buy a new QNAP for these drives to go in, but I was hoping to avoid doing this right now.

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  • How to understand the memory usage and load average in linux server

    - by Tim
    Hi, I am using a linux server which has 128GB of memory and 24 cores. I use top to see how much it is used. Its output is pasted at the end of the post. Here are two questions: (1) I see that each of the running processes occupies a very small percentage of memory (%MEM no more than 0.2%, and most just 0.0%), but how the total memory is almost used as in the fourth line of output ("Mem: 130766620k total, 130161072k used, 605548k free, 919300k buffers")? The sum of used percentage of memory over all processes seems unlikely to achieve almost 100%, doesn't it? (2) how to understand the load average on the first line ("load average: 14.04, 14.02, 14.00")? Thanks and regards! Edit: Thanks! I also really like to hear some rough numbers based on used percentage of memory to determine if a server is heavily loaded, since I once became the one who cramed the server without understanding the current load. Is swap regarded as almost the same as memory? For example, when memory and swap are almost of same size, if the memory is almost running out but the swap is still largely free, may I just view it as if the used percentage of memory + swap is still not high and run other new processes? How would you consider together CPU or memory (or memory + swap) usage? Do you become worried if either of them reaches too high or both? Output of top: $ top top - 12:45:33 up 19 days, 23:11, 18 users, load average: 14.04, 14.02, 14.00 Tasks: 484 total, 12 running, 472 sleeping, 0 stopped, 0 zombie Cpu(s): 36.7%us, 19.7%sy, 0.0%ni, 43.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 130766620k total, 130161072k used, 605548k free, 919300k buffers Swap: 63111312k total, 500556k used, 62610756k free, 124437752k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 6529 sanchez 18 -2 1075m 219m 13m S 100 0.2 13760:23 MATLAB 13210 timothy 18 -2 48336 37m 1216 R 100 0.0 3:56.75 absurdity 13888 timothy 18 -2 48336 37m 1204 R 100 0.0 2:04.89 absurdity 14542 timothy 18 -2 48336 37m 1196 R 100 0.0 1:08.34 absurdity 14544 timothy 18 -2 2888 2076 400 R 100 0.0 1:06.14 gatherData 6183 sanchez 18 -2 1133m 195m 13m S 100 0.2 13676:04 MATLAB 6795 sanchez 18 -2 1079m 210m 13m S 100 0.2 13734:26 MATLAB 10178 timothy 18 -2 48336 37m 1204 R 100 0.0 11:33.93 absurdity 12438 timothy 18 -2 48336 37m 1216 R 100 0.0 5:38.17 absurdity 13661 timothy 18 -2 48336 37m 1216 R 100 0.0 2:44.13 absurdity 14098 timothy 18 -2 48336 37m 1204 R 100 0.0 1:58.31 absurdity 14335 timothy 18 -2 48336 37m 1196 R 100 0.0 1:08.93 absurdity 14765 timothy 18 -2 48336 37m 1196 R 99 0.0 0:32.57 absurdity 13445 timothy 18 -2 48336 37m 1216 R 99 0.0 3:01.37 absurdity 28990 root 20 0 0 0 0 S 2 0.0 65:50.21 pdflush 12141 tim 18 -2 19380 1660 1024 R 1 0.0 0:04.04 top 1240 root 15 -5 0 0 0 S 0 0.0 16:07.11 kjournald 9019 root 20 0 296m 4460 2616 S 0 0.0 82:19.51 kdm_greet 1 root 20 0 4028 728 592 S 0 0.0 0:03.11 init 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root RT -5 0 0 0 S 0 0.0 0:01.01 migration/0 4 root 15 -5 0 0 0 S 0 0.0 0:08.13 ksoftirqd/0 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 6 root RT -5 0 0 0 S 0 0.0 17:27.31 migration/1 7 root 15 -5 0 0 0 S 0 0.0 0:01.21 ksoftirqd/1 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 9 root RT -5 0 0 0 S 0 0.0 10:02.56 migration/2 10 root 15 -5 0 0 0 S 0 0.0 0:00.34 ksoftirqd/2 11 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/2 12 root RT -5 0 0 0 S 0 0.0 4:29.53 migration/3 13 root 15 -5 0 0 0 S 0 0.0 0:00.34 ksoftirqd/3

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  • SQLExpress service unable to start Error code 17053

    - by Chris Sobolewski
    A user was instructed by their software support to upgrade a program and install SQLExpress as part of the installation process. Since that time, the service has been able to start, citing error 17053, which appears to be an authentication issue. Here is the error log: 2011-01-11 13:17:45.50 Server Microsoft SQL Server 2005 - 9.00.3042.00 (Intel X86) Feb 9 2007 22:47:07 Copyright (c) 1988-2005 Microsoft Corporation Express Edition on Windows NT 5.1 (Build 2600: Service Pack 2) 2011-01-11 13:17:45.50 Server (c) 2005 Microsoft Corporation. 2011-01-11 13:17:45.50 Server All rights reserved. 2011-01-11 13:17:45.50 Server Server process ID is 3332. 2011-01-11 13:17:45.50 Server Authentication mode is WINDOWS-ONLY. 2011-01-11 13:17:45.50 Server Logging SQL Server messages in file 'c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG'. 2011-01-11 13:17:45.52 Server This instance of SQL Server last reported using a process ID of 2332 at 11/10/2010 2:15:24 PM (local) 11/10/2010 7:15:24 PM (UTC). This is an informational message only; no user action is required. 2011-01-11 13:17:45.52 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 2011-01-11 13:17:45.52 Server Registry startup parameters: 2011-01-11 13:17:45.52 Server -d c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\master.mdf 2011-01-11 13:17:45.52 Server -e c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG 2011-01-11 13:17:45.52 Server -l c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\mastlog.ldf 2011-01-11 13:17:45.52 Server Error: 17113, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server Error 3(The system cannot find the path specified.) occurred while opening file 'c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\master.mdf' to obtain configuration information at startup. An invalid startup option might have caused the error. Verify your startup options, and correct or remove them if necessary. 2011-01-11 13:17:45.52 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 4 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:08:21.34 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 12:47:20.85 spid5s SQL Trace ID 1 was started by login "sa". 2011-01-11 12:47:20.90 spid5s Starting up database 'mssqlsystemresource'. 2011-01-11 12:47:20.93 spid5s The resource database build version is 9.00.3042. This is an informational message only. No user action is required. 2011-01-11 12:47:21.21 spid5s Error: 15466, Severity: 16, State: 1. 2011-01-11 12:47:21.21 spid5s An error occurred during decryption. 2011-01-11 12:47:21.38 spid8s Starting up database 'model'. 2011-01-11 12:47:21.38 Server Error: 17182, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server TDSSNIClient initialization failed with error 0x5, status code 0x90. 2011-01-11 12:47:21.38 Server Error: 17182, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server TDSSNIClient initialization failed with error 0x5, status code 0x1. 2011-01-11 12:47:21.38 Server Error: 17826, Severity: 18, State: 3. 2011-01-11 12:47:21.38 Server Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log. 2011-01-11 12:47:21.38 Server Error: 17120, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server SQL Server could not spawn FRunCM thread. Check the SQL Server error log and the Windows event logs for information about possible related problems. One lead I had was to change the SQL logon account from "Network Service" to "Local System". Unfortunately, that is resulting in the error message The Security ID Structure is Invalid [0x80070539] Any help either uninstalling or getting SQLExpress running would be fantastic.

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  • Apache access.log interpretation

    - by Pantelis Sopasakis
    In the log file of apache (access.log) I find log entries like the following: 10.20.30.40 - - [18/Mar/2011:02:12:44 +0200] "GET /index.php HTTP/1.1" 404 505 "-" "Opera/9.80 (Windows NT 6.1; U; en) Presto/2.7.62 Version/11.01" Whose meaning is clear: The client with IP 10.20.30.40 applied a GET HTTP method on /index.php (that is to say http://mysite.org/index.php) receiving a status code 404 using Opera as client/browser. What I don't understand is entries like the following: 174.34.231.19 - - [18/Mar/2011:02:24:56 +0200] "GET http://www.siasatema.com HTTP/1.1" 200 469 "-" "Python-urllib/2.4" So here what I see is that someone (client with IP 174.34.231.19) accessed http://www.siasatema.com and got a 200 HTTP status code(?). It doesn't make sense to me... the only interpretation I can think of is that my apache server acts like proxy! Here are some other requests that don't have my site as destination... 187.35.50.61 - - [18/Mar/2011:01:28:20 +0200] "POST http://72.26.198.222:80/log/normal/ HTTP/1.0" 404 491 "-" "Octoshape-sua/1010120" 87.117.203.177 - - [18/Mar/2011:01:29:59 +0200] "CONNECT 64.12.244.203:80 HTTP/1.0" 405 556 "-" "-" 87.117.203.177 - - [18/Mar/2011:01:29:59 +0200] "open 64.12.244.203 80" 400 506 "-" "-" 87.117.203.177 - - [18/Mar/2011:01:30:04 +0200] "telnet 64.12.244.203 80" 400 506 "-" "-" 87.117.203.177 - - [18/Mar/2011:01:30:09 +0200] "64.12.244.203 80" 400 301 "-" "-" I believe that all these are related to some kind of attack or abuse of the server. Could someone explain to may what is going on and how to cope with this situation? Update 1: I disabled mod_proxy to make sure that I don't have an open proxy: # a2dismod proxy Where from I got the message: Module proxy already disabled I made sure that there is no file proxy.conf under $APACHE/mods-enabled. Finally, I set on my browser (Mozzila) my IP as a proxy and tried to access http://google.com. I was not redirected to google.com but instead my web page appeared. The same happened with trying to access http://a.b (!). So my server does not really work as a proxy since it does not forward the requests... But I think it would be better if somehow I could configure it to return a status code 403. Here is my apache configuration file: <VirtualHost *:80> ServerName mysite.org ServerAdmin webmaster@localhost DocumentRoot /var/www/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log LogLevel warn CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> Update 2: Using a block, I restrict the use of other methods than GET and POST... <Limit POST PUT CONNECT HEAD OPTIONS DELETE PATCH PROPFIND PROPPATCH MKCOL COPY MOVE LOCK UNLOCK> Order deny,allow Deny from all </Limit> <LimitExcept GET> Order deny,allow Deny from all </LimitExcept> Now methods other that GET are forbidden (403). My only question now is whether there is some trick to boot those how try to use my server as a proxy out...

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  • Server overloaded: DBCP issue on Mysql.

    - by taras
    Hi, I have 2 setups tomcat5.5.20 on Redhat and mysql 4.1.22 on another Redhat server. Recently i started getting the repeating error(each seconds) in catalina.out: DBCP object created 2010-12-22 13:33:12 by the following code was never closed: java.lang.Exception at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.init(AbandonedTrace.java:96) at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.(AbandonedTrace.java:79) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.(DelegatingResultSet.java:71) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.wrapResultSet(DelegatingResultSet.java:80) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at org.apache.jsp.external_005fpage.signup_jsp._jspService(signup_jsp.java:1185) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) i have to restart tomcat once a day when server load reaches 80-90%. Also catalina.out file is growing too fast which every few hours need to clear the logs. My datasource config: <bean id="myDataSource" class="org.apache.tomcat.dbcp.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName"> <value>com.mysql.jdbc.Driver</value> </property> jdbc:mysql://XXX/XXX?autoReconnect=true 20 20 <property name="maxIdle"> <value>50</value> </property> <property name="maxActive"> <value>50</value> </property> <property name="removeAbandoned"> <value>false</value> </property> <property name="removeAbandonedTimeout"> <value>2400</value> </property> <property name="username"> <value>XXX</value> </property> <property name="password"> <value>XXX</value> </property> </bean> Any idea what can be the issue ? Thanks for any direction.

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  • dns queries not using nscd for caching

    - by xenoterracide
    I'm trying to use nscd (Nameservices Cache Daemon) to cache dns locally so I can stop using bind to do it. I've gotten it started and ntpd seems to attempt to use it. But everything else for hosts seems to ignore it. e.g if I do dig apache.org 3 times none of them will hit the cache. I'm viewing the cache stats using nscd -g to determine whether it's been used. I've also turned the debug log level up to see if I can see it hitting and the queries don't even hit nscd. nsswitch.conf # Begin /etc/nsswitch.conf passwd: files group: files shadow: files publickey: files hosts: cache files dns networks: files protocols: files services: files ethers: files rpc: files netgroup: files # End /etc/nsswitch.confenter code here nscd.conf # # /etc/nscd.conf # # An example Name Service Cache config file. This file is needed by nscd. # # Legal entries are: # # logfile <file> # debug-level <level> # threads <initial #threads to use> # max-threads <maximum #threads to use> # server-user <user to run server as instead of root> # server-user is ignored if nscd is started with -S parameters # stat-user <user who is allowed to request statistics> # reload-count unlimited|<number> # paranoia <yes|no> # restart-interval <time in seconds> # # enable-cache <service> <yes|no> # positive-time-to-live <service> <time in seconds> # negative-time-to-live <service> <time in seconds> # suggested-size <service> <prime number> # check-files <service> <yes|no> # persistent <service> <yes|no> # shared <service> <yes|no> # max-db-size <service> <number bytes> # auto-propagate <service> <yes|no> # # Currently supported cache names (services): passwd, group, hosts, services # logfile /var/log/nscd.log threads 4 max-threads 32 server-user nobody # stat-user somebody debug-level 9 # reload-count 5 paranoia no # restart-interval 3600 enable-cache passwd yes positive-time-to-live passwd 600 negative-time-to-live passwd 20 suggested-size passwd 211 check-files passwd yes persistent passwd yes shared passwd yes max-db-size passwd 33554432 auto-propagate passwd yes enable-cache group yes positive-time-to-live group 3600 negative-time-to-live group 60 suggested-size group 211 check-files group yes persistent group yes shared group yes max-db-size group 33554432 auto-propagate group yes enable-cache hosts yes positive-time-to-live hosts 3600 negative-time-to-live hosts 20 suggested-size hosts 211 check-files hosts yes persistent hosts yes shared hosts yes max-db-size hosts 33554432 enable-cache services yes positive-time-to-live services 28800 negative-time-to-live services 20 suggested-size services 211 check-files services yes persistent services yes shared services yes max-db-size services 33554432 resolv.conf # Generated by dhcpcd from eth0 nameserver 127.0.0.1 domain westell.com nameserver 192.168.1.1 nameserver 208.67.222.222 nameserver 208.67.220.220 as kind of a side note I'm using archlinux.

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  • SELF-SOLVED AutoHotkey Function GetMouseTaskbutton need to adapt for 64-bit OS

    - by auntyEEK
    SOLVED VIA SELF-HELP, HAIR-PULLING, AND TEETH-GRINDING. THANKS ANYWAY....... I'm using the GetMouseTaskbutton function from this thread on AHK forum. [http://www.autohotkey.com/forum/topic22763.html&highlight=getmousetaskbutton][1] ; Gets the index+1 of the taskbar button which the mouse is hovering over. ; Returns an empty string if the mouse is not over the taskbar's task toolbar. ; ; Some code and inspiration from Sean's TaskButton.ahk GetMouseTaskButton(ByRef hwnd) { MouseGetPos, x, y, win, ctl, 2 ; Check if hovering over taskbar. WinGetClass, cl, ahk_id %win% if (cl != "Shell_TrayWnd") return ; Check if hovering over a Toolbar. WinGetClass, cl, ahk_id %ctl% if (cl != "ToolbarWindow32") return ; Check if hovering over task-switching buttons (specific toolbar). hParent := DllCall("GetParent", "Uint", ctl) WinGetClass, cl, ahk_id %hParent% if (cl != "MSTaskSwWClass") return WinGet, pidTaskbar, PID, ahk_class Shell_TrayWnd hProc := DllCall("OpenProcess", "Uint", 0x38, "int", 0, "Uint", pidTaskbar) pRB := DllCall("VirtualAllocEx", "Uint", hProc , "Uint", 0, "Uint", 20, "Uint", 0x1000, "Uint", 0x4) VarSetCapacity(pt, 8, 0) NumPut(x, pt, 0, "int") NumPut(y, pt, 4, "int") ; Convert screen coords to toolbar-client-area coords. DllCall("ScreenToClient", "uint", ctl, "uint", &pt) ; Write POINT into explorer.exe. DllCall("WriteProcessMemory", "uint", hProc, "uint", pRB+0, "uint", &pt, "uint", 8, "uint", 0) ; SendMessage, 0x447,,,, ahk_id %ctl% ; TB_GETHOTITEM SendMessage, 0x445, 0, pRB,, ahk_id %ctl% ; TB_HITTEST btn_index := ErrorLevel ; Convert btn_index to a signed int, since result may be -1 if no 'hot' item. if btn_index 0x7FFFFFFF btn_index := -(~btn_index) - 1 if (btn_index > -1) { ; Get button info. SendMessage, 0x417, btn_index, pRB,, ahk_id %ctl% ; TB_GETBUTTON VarSetCapacity(btn, 20) DllCall("ReadProcessMemory", "Uint", hProc , "Uint", pRB, "Uint", &btn, "Uint", 20, "Uint", 0) state := NumGet(btn, 8, "UChar") ; fsState pdata := NumGet(btn, 12, "UInt") ; dwData ret := DllCall("ReadProcessMemory", "Uint", hProc , "Uint", pdata, "UintP", hwnd, "Uint", 4, "Uint", 0) } else hwnd = 0 DllCall("VirtualFreeEx", "Uint", hProc, "Uint", pRB, "Uint", 0, "Uint", 0x8000) DllCall("CloseHandle", "Uint", hProc) ; Negative values indicate seperator items. (abs(btn_index) is the index) return btn_index > -1 ? btn_index+1 : 0 } It identifies the owner of the hovered taskbar button. I'm using it in a routine to auto-activate window by hovering its taskbar button, and also a routine to close inactive window by middle-click on its taskbar button. Works great on my XP machine. The author had stated that the function does work in Vista, but it refuses to work for me in Vista 64-bit, so apparently it is only valid in 32-bit. And I am very new to AHK, and don't know how to adapt it. Unfortunately, my queries at the site sank without a trace. Does anyone have advice for me? I will be most grateful. Thanks.

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  • Load average is have been high over some period

    - by user111196
    We have a dedicated MySQL server and below is the a snapshot of the top. The load average has been staying at nearly 100 for an hour plus ready. top - 20:54:28 up 7:31, 2 users, load average: 83.08, 96.88, 106.23 Tasks: 278 total, 2 running, 274 sleeping, 2 stopped, 0 zombie Cpu0 : 18.8%us, 10.2%sy, 0.0%ni, 70.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 : 51.2%us, 4.3%sy, 0.0%ni, 44.2%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Cpu2 : 9.0%us, 10.3%sy, 0.0%ni, 80.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu3 : 18.8%us, 7.4%sy, 0.0%ni, 73.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu4 : 7.8%us, 8.8%sy, 0.0%ni, 83.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu5 : 10.3%us, 8.4%sy, 0.0%ni, 81.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu6 : 6.2%us, 7.5%sy, 0.0%ni, 86.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu7 : 6.2%us, 6.2%sy, 0.0%ni, 87.3%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Cpu8 : 8.8%us, 10.4%sy, 0.0%ni, 80.5%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Cpu9 : 63.7%us, 4.6%sy, 0.0%ni, 12.2%id, 0.0%wa, 4.3%hi, 15.2%si, 0.0%st Cpu10 : 9.2%us, 10.2%sy, 0.0%ni, 80.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu11 : 17.3%us, 5.9%sy, 0.0%ni, 76.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu12 : 8.0%us, 8.7%sy, 0.0%ni, 83.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu13 : 10.9%us, 7.4%sy, 0.0%ni, 81.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu14 : 6.2%us, 6.9%sy, 0.0%ni, 86.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu15 : 4.8%us, 6.1%sy, 0.0%ni, 89.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 33009800k total, 23174396k used, 9835404k free, 120604k buffers Swap: 35061752k total, 0k used, 35061752k free, 16459540k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3341 mysql 20 0 14.3g 4.6g 4240 S 417.8 14.5 1673:51 mysqld 24406 root 20 0 15008 1292 876 R 0.3 0.0 0:00.19 top 1 root 20 0 4080 852 608 S 0.0 0.0 0:01.92 init 2 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd 3 root RT -5 0 0 0 S 0.0 0.0 0:00.32 migration/0 4 root 15 -5 0 0 0 S 0.0 0.0 0:00.29 ksoftirqd/0 5 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0 6 root RT -5 0 0 0 S 0.0 0.0 0:03.21 migration/1 7 root 15 -5 0 0 0 S 0.0 0.0 0:00.07 ksoftirqd/1 8 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1 9 root RT -5 0 0 0 S 0.0 0.0 0:00.17 migration/2 10 root 15 -5 0 0 0 S 0.0 0.0 0:00.03 ksoftirqd/2 11 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/2 12 root RT -5 0 0 0 S 0.0 0.0 0:00.32 migration/3 13 root 15 -5 0 0 0 S 0.0 0.0 0:00.02 ksoftirqd/3 14 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/3 15 root RT -5 0 0 0 S 0.0 0.0 0:00.10 migration/4 16 root 15 -5 0 0 0 S 0.0 0.0 0:00.04 ksoftirqd/4 17 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/4 18 root RT -5 0 0 0 S 0.0 0.0 0:00.35 migration/5 We have also tried to run this command. What else command can help us diagnose the exact problem of this high load? netstat -nat |grep 3306 | awk '{print $6}' | sort | uniq -c | sort -n 1 LISTEN 1 SYN_RECV 410 ESTABLISHED 964 TIME_WAIT Output of vmstat 1: ---------------memory--------------- --swap-- --io-- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 2 0 0 12978936 30944 15172360 0 0 259 3 184 265 6 6 77 12 0

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  • what is best config for nginx worker_rlimit_nofile and worker_connections 28672

    - by Binh Nguyen
    i have issue of web-brower response ( especially on ie ) very slow, some time time out, and sometime hang out up to 20 seconds for one file redirect 301 when test with "f12 derverloper tool of ie" .. it report wait/start time very long. but after got connected the elements on web weill be dowload and show out fast ( test at xaluan.com ) It most happen when active user on web more than 2100 ( use google real time live analytic ). server running cenos 5 with ngix, apache, 32core cpu, 96G ram, raid 10 sas hdd.. == flowing is my config == user nobody; # no need for more workers in the proxy mode worker_processes 28; #old 32 #good at 24 error_log /var/log/nginx/error.log; #old add in end: info worker_rlimit_nofile 22528; events { worker_connections 22528; use epoll; # you should use epoll here for Linux kernels 2.6.x } http { server_name_in_redirect off; server_names_hash_max_size 10240; server_names_hash_bucket_size 1024; include mime.types; default_type application/octet-stream; server_tokens off; disable_symlinks off; sendfile on; tcp_nopush on; tcp_nodelay on; server_name_in_redirect off; server_names_hash_max_size 10240; server_names_hash_bucket_size 1024; include mime.types; default_type application/octet-stream; server_tokens off; disable_symlinks off; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 25; #old 5 gzip on; #old on gzip_vary on; gzip_disable "MSIE [1-6]\."; gzip_proxied any; gzip_http_version 1.1; gzip_min_length 1000; gzip_comp_level 6; gzip_buffers 16 8k; ignore_invalid_headers on; client_header_timeout 1m; #3m client_body_timeout 1m; #3m send_timeout 1m; #3m reset_timedout_connection on; connection_pool_size 256; client_header_buffer_size 256k; large_client_header_buffers 4 256k; client_max_body_size 100M; client_body_buffer_size 256k; request_pool_size 32k; output_buffers 4 32k; postpone_output 1460; proxy_temp_path /tmp/nginx_proxy/; client_body_in_file_only on; log_format bytes_log "$msec $bytes_sent ."; limit_conn_zone $binary_remote_addr zone=limit_per_ip:1m; limit_conn limit_per_ip 20; limit_req_zone $binary_remote_addr zone=allips:5m rate=200r/s; limit_req zone=allips burst=200 nodelay; include "/etc/nginx/vhosts/*"; } =========== I have play around with worker config 1- tried increase as some one suggess: worker_rlimit_nofile = worker_connections = worker_processes * 1024 = 32768 2- tried to set low: worker_processes = 28 and other worker at 22582 and other solution too .. but not work cause some time it make server load hight very quick 3- tried to comment out the # worker_rlimit_nofile . so it will be unlimited. it look like solved a bit about issue response time. but it also make server high load quick in peak time... Please help thanks PS: other apache you may have look for help me out thanks Listen 0.0.0.0:8081 User nobody Group nobody ExtendedStatus On ServerAdmin [email protected] ServerName server.xaluan.com LogLevel warn # These can be set in WHM under 'Apache Global Configuration' Timeout 100 TraceEnable Off ServerSignature Off ServerTokens ProductOnly FileETag None StartServers 15 <IfModule prefork.c> MinSpareServers 20 MaxSpareServers 50 #MaxSpareServers 40 </IfModule> ServerLimit 1572 MaxClients 1572 MaxRequestsPerChild 4000 # MaxRequestsPerChild 3000 KeepAlive On KeepAliveTimeout 3 MaxKeepAliveRequests 300 #MaxKeepAliveRequests 130

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  • Resturant deal / voucher affiliate links? [closed]

    - by sam
    Does any one know where you can access Restaurant deal / voucher affiliate links, like the sort of '20% off any pizza at Dominos' vouchers. With an affiliate link to the site so you (the refer gets a commision) Do sites like http://www.vouchercodes.co.uk/ get them from an affiliate portal like Rakuten or Affiliate window or do the negotiate the deals with each restaurant link Groupon / LivingSocial do ?

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