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127.0.0.1. Set the ' ServerName ' directive globally to suppress this message(98) Address already in use:AH00072:make_sock:could don't bind to address 0.0.0.0:80No listening sockets available, shutting downAh00015:unable to open logs#ServerName www.example.com:80 # Remove the line from the httpd.conf file # Nginx takes up 80 port numbers[Email protected]/]# lsof-i:80COMMAND PID USER FD TYPE DEVICE size/off NODE NAMEAliyundun 1410 Root 18u IPv4 9251 0t0 TCP 172.19.68.202:37408->106.11.68.13:ht

gcc automake autoconf libtool make Restart command/usr/local/nginx/sbin/nginx-c/usr/local/nginx/conf/nginx.conf more references Nginx--help The configuration of Nginx and common minor problems are as follows: Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:address already in use) Error resolution Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:address already in use) Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:address already in use) Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:add

real-time operating system that divides 64 priorities (UC/OS-II), each with a different priority, and always chooses the highest priority task in the ready state in the event of scheduling. In order to quickly select a ready task in a limited time, UC/OS-II established a two-level readiness table, each task (i.e. each priority) occupies a bit in the first-level readiness table OSRDYTBL, and each 8 bits is formed into a osrdygrp. This first finds the group of the highest priority task from OSRDY

add a wireless network, can be used to alleviate the data transmission server imbalance caused by the transmission delay, data congestion and other problems. You can also minimize the reliance of the wired network on the Stand (Rack).Improved twoOn the basis of improving one, because the wireless network is required network IP address allocation, and the number of IP addresses is limited, so how to dynamically allocate IP address is a need to solve t

Design objectives: -(Hardware failure is normal, not accidental) automatic rapid detection to deal with hardware errors -Streaming Access data (data batch processing) -Transfer calculation is more cost-effective than moving the data itself (reducing data transfer) -Simple data consistency model (one write, multiple read file access model) -Heterogeneous Platform portability HDFS Architecture Adopt Master-slaver Mode: Namenode Central Server (Master): Maintains the file system tree, as well as

Switch type (rack style, fixed-profile with/without expansion slots The rack switch is a slot-type switch that is scalable and supports different network types, such as Ethernet, Fast Ethernet, Gigabit Ethernet, ATM, Token Ring, and FDDI, but the price is more expensive. A fixed-profile band-slot switch is a switch with a fixed number of ports and a small number of expansion slots, which, on the basis of su

Switch type (rack style, fixed-profile with/without expansion slots The rack switch is a slot-type switch that is scalable and supports different network types, such as Ethernet, Fast Ethernet, Gigabit Ethernet, ATM, Token Ring, and FDDI, but the price is more expensive. A fixed-profile band-slot switch is a switch with a fixed number of ports and a small number of expansion slots, which, on the basis of su

integrated wiring system and computer network equipment with 19-inch standard rack (cabinet) installation. Rack (cabinet) size is usually (mm) wide x900 (mm) deep x2000 (mm) high, a total of 42U installation of the machine disk space. In the rack (cabinet) can be installed fiber optic connectors, RJ45 (24-port) wiring module, multi-line adapter module (100 pairs

Sonar started, the background error is as follows: ERROR Jruby.rack-error:application Initialization failed Org.jruby.rack.RackInitializationException:java.lang.NullPointerException:null From Org/sonar/server/ui/jrubyfacade.java:447:in ' Getserverhome ' From/usr/local/tomcat/temp/0-sonar/web-inf/config/environment.rb:52:in ' (Root) ' From/usr/local/tomcat/temp/0-sonar/web-inf/gems/gems/rails-2.3.14/lib/initializer.rb:111:in ' Run ' From/usr/local/tomcat/temp/0-sonar/web-inf/config/environm

servers are now virtualized and managed more complex. You cannot manage with simple tools such as serial/KVM. In addition, your IT staff needs to manage a new layer of management software now. Warning Red Flag 3: Do you need to manage the growing demand? Virtualization makes it easier for businesses to add more it functionality. You can run more applications without having to go through the process of complex purchasing of new hardware by the enterprise. These applications can be installed an

/404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } } include servers/*; include /usr/local/etc/nginx/sites-enabled/*; autoindex on; autoindex_exact_size off;} Php. conf location ~ [^/]\.php(/|$) { fastcgi_split_path_info ^(.+?\.php)(/.*)$; if (!-f $document_root$fastcgi_script_name) { re

, anonuid = 65534, anongid = 65534) /Home/share * (ro, sync, wdelay, hide, nocrossmnt, secure, root_squash, no_all_squash, subtree_check, secure_locks, acl, mapping = identity, anonuid = 65534, anongid = 65534) Now let's check which ports are enabled on the NFS server: Tonybox:/home/share # lsof-I | grep rpc Portmap 1931 daemon 3u IPv4 4289 UDP *: sunrpc Portmap 1931 daemon 4u IPv4 4290 TCP *: sunrpc (LISTEN) Rpc. statd 3206 statd 3u IPv4 7081 UDP *: 1029 Rpc. statd 3206 statd

:00 nginx: worker process[Root @ lb01 application] # lsof-I tcp: 80Command pid user fd type device size/OFF NODE NAMENginx 17057 root 6u IPv4 82990 0t0 TCP: Http (LISTEN)Nginx 17058 nginx 6u IPv4 82990 0t0 TCP *: http (LISTEN)7. Configure and debug the web server used for testingNote: The operation is only performed on the following nginx web server nodes:Configure and view web service configuration results

informationThen create a soft link:1[[email protected] nginx-1.6.3]#ln-s/application/nginx-1.6.3//application/nginx2[[email protected] nginx-1.6.3]#ls-l/application/3Total 44lrwxrwxrwx. 1 root root 21:18 nginx,/application/nginx-1.6.3/5Drwxr-xr-x. 6 root root 4096 Nov 21:09 nginx-1.6.36[[email protected] nginx-1.6.3]#CD Nginx7-bash:cd:nginx:no such fileorDirectory8[[email protected] nginx-1.6.3]#Cd/application/nginx9[[email protected] nginx]#llTenTotal 16 OneDrwxr-xr-x. 2 root root 4096 Nov 28

Problem descriptiongiven n integers.You have both operations:U A B:replace The Ath number by B. (index counting from 0)Q A b:output The length of the longest consecutive increasing subsequence (LCIs) in [A, B].Inputt in the first line, indicating the case number.Each case is starts with the integers n, m (0The next line has n integers (0The next m lines each have an operation:U A B (0ORQ A B (0 Outputfor each Q, output the answer.Sample Input107 7 3 3 5 9 9 8 1 8 Q 6

0.0.0.0:80 FA Iled (98:address already in use) Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:address already in use) Nginx: [ Emerg] bind () to 0.0.0.0:80 failed (98:address already into use) Nginx: [Emerg] bind () to 0.0.0.0:80 failed (98:addres s already in using) Nginx: [Emerg] still could not bind () Problem Description: Address has been used. This error may occur because the Nginx service card is dead and the port is occupied. Workaround: First use LSOF:80 to see what program the 8

/nginx-1.6.3//conf/nginx.conftest is successfulStart Nginx[Email protected] nginx-1.6.3]#/aplication/nginx/sbin/nginxTo see if the Nginx service port is started[[email protected] nginx-1.6.3]# lsof-i: 80COMMAND PID USER FD TYPE DEVICE size/off NODENAMENginx 7538 root 6u IPv4 50782 0t0 TCP *:http (LISTEN)Nginx 7539 nginx 6u IPv4 50782 0t0 TCP *:http (LISTEN)Browser input Nginx AddressWelcome to nginx!If you

LCIsTime limit:6000/2000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 6166 Accepted Submission (s): 2675Problem descriptiongiven n integers.You have both operations:U A B:replace The Ath number by B. (index counting from 0)Q A b:output The length of the longest consecutive increasing subsequence (LCIs) in [A, B].Inputt in the first line, indicating the case number.Each case is starts with the integers n, m (0The next line has n integers (0The next m lines each h

Test instructions gives you an array with update values and query the length of the longest consecutive increment subsequence for each query output corresponding intervalThe base segment tree interval merge segment tree maintains three values corresponding to the interval of the LCIs length (lcis) corresponding to the interval with the left endpoint as the starting point of the LCIs length (lle) corresponding to the end of the right end of the LCIs length (LRI) and then with Val Storage array co

1. To view the Port Usage command: lsof-i[Root@www ~]# Lsof-iCOMMAND PID USER FD TYPE DEVICE SIZE NODE NAMENginx 2333 root 6u IPv4 6242 TCP *:http (LISTEN)Nginx 2334 www 6u IPv4 6242 TCP *:http (LISTEN)sshd 2349 root 3u IPv6 6283 TCP *:ndmp (LISTEN)sshd 2349 Root 4u IPv6 6286 TCP *:ssh (LISTEN)This returns the current usage of all open ports on Linux.The first paragraph is the process, and the last column i