4u rackmount

Friends and PresentsTime limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 483BDescriptionYou have both friends. You want to present each of the them several positive integers. You want to present cnt1 numbers to the first friend and cnt2 numbers to the second Frie nd. Moreover, want all presented numbers to being distinct, that also means that no number should being presented to both friend S. In add

Guilty-to the kitchen!Time limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 42ADescriptionIt ' s a very unfortunate day for Volodya today. He got bad mark in algebra and is therefore forced to doing some work on the kitchen, namely to cook borscht (traditional Ru Ssian soup). This should also improve his algebra skills.According to the borscht recipe it consists ofNIngredients that has to is mixed in pr

Vanya and ScalesTime limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 552CDescriptionVanya have a scales for weighing loads and weights of masses w0, w1, w2, ..., w grams where w is some integer not less than 2 (exactly one weight of each nominal value ). Vanya wonders whether he can weight an item with mass m using the given weights, if the weights can be put On both pans of

Geometric progressionTime limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 567CDescriptionPolycarp loves geometric progressions very much. Since He is only three years old and he loves only the progressions of length three. He also has a favorite integer k and a sequence a, consisting of n integers. He wants to know how many subsequences of length three can is selected from a, so that they form a ge

975420/lib64/libcryp T-2.12.sosshd 2589 root mem reg 253,1 116368 974900/lib64/libnsl-2.12.sosshd 2589 root mem REG 253,1 91096 975398/lib64/libz.so.1.2.3sshd 2589 root mem REG 253,1 17520 975404/lib64/libutil-2.12.sosshd 2589 Root Mem REG 253,10 1665328 436731/usr/lib64/libcrypto.so.1.0.0sshd 2589 root mem REG 253,1 124624 975409/lib64/libselinux.so.1ss HD 2589 root mem reg 253,1 22536 975399/lib64/libdl-2.12.sosshd 2589 root mem reg 253,1 58480 97544 2/lib64/libpam.so.0.82.2sshd 2589 root

B-simple Game Time limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u Submit Status Practice codeforces 570B Description One day Misha and Andrew were playing a very simple game. First, each player chooses a integer in the range from1to N . Let's assume that Misha chose Number m , and Andrew chose Number a . Then, by using a random generator they choose a random integer C in the range Between1and n (any

pass card of this layer and change the shoe cover into the room. We visited the computer room after the circuit system, communication line system, exhaust system, and monitoring system. We have seen a lot of high-level devices, various Cisco three-tier switching, F5 hardware load balancing, IBM small machines, and after visiting the engine room, we started to practice. Group install CentOS System for serverPhotos of the event are as follows:1. Cabinet Corridor650) this.width=650; "src=" http://

#include "date.h"/* Determines whether it is a leap year, the function put back to 1 is a leap year, the function returns 0 for non-leap year */uint32 is_leap_year (UINT32 u32_year) {UINT32 u32_leap = 0u, u32_ Day = 0u; /* Can be divisible by four and cannot be divisible by 100, or can be */if (((0u = = (u32_year% 4u)) ((u32_year% 100u)! = 0u)) | | ((u32_year% 400u) = = 0u)) {/* osm_printf is a leap year */u32_leap = 1u;u32_day = 366u;} else{/* is no

Two days ago, I just published an article about the Chinese Xeon server: "enable a real machine package! 35 pictures of domestic Xeon 5600 servers, today I bring you an article on domestic haolong 6100 servers. Although it is not a real machine dismantling, there are a lot of content to present to you. If you choose AMD or Xeon, you may wish to compare them. 12-core haolong 6100 and 4100 haolong since AMD updated the haolong Platform ), many foreign vendors have separately launched "Performance

X8000: high-availability Hierarchical Management X8000, as a fist product of Huawei, has been successfully applied to data centers of large Internet enterprises for a long time. The X8000 cabinet is divided into three layers of Management module, RMC (Racks Management Controller) Cabinet Management Controller of the entire cabinet, and 4U large nodes (up to 8 XH server nodes can be installed) to the single-server BMC (Baseboard Management Controller)

A-Checkerboard IssuesTime limit:1000MS Memory Limit:10000KB 64bit IO Format:%i64d %i6 4u Submit StatusDescriptionIn a given shape of the chessboard (the shape may be irregular) on the top of the pieces, chess pieces no difference. If you need to place any of the two pieces in the same row or column in the chessboard, please program the chessboard with a given shape and size, and put all the feasible arrangement C for the K pieces.InputThe input con

A Currency System in GeraldionTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u DescriptionA Magic Island Geraldion, where Gerald lives, have its own currency system. It uses banknotes of several values. But the problem is, the system isn't perfect and sometimes it happens that Geraldionians cannot express a certain sum of Money with any set of banknotes. Of course, they can use any number of banknotes for each value. Such sum is

HDU 5418Victor and WorldTime limit:2000MS Memory Limit:131072KB 64bit IO Format:%i64d %i6 4u After trying-many years, Victor has finally received a pilot license. To has a celebration, he intends to buy himself an airplane and fly around the world. There isCountries on the Earth, which is numbered fromTo. They is connected byundirected flights, detailedly the-th Flight connects the-th and the-th country, and it'll cost Victor ' s airplaneL fuel If

the backup server to the Web server and the database server in NFS.5, Web server. Include at least both Apache and MySQL proxy components. Apache do BBS and blog containers, virtual machines to the user's request forwarded to the BBS directory or blog directory.6, security measures. It contains two layers of security, one layer is the host itself, the other is the structure (MySQL is isolated from the external network). The practice proves that iptables is a very trustworthy firewall tool. In p

Run the command: netstat-tunlp will display all ports and all corresponding programs. You can use the grep pipeline to filter out the desired keyword segments. For programs occupying port 22: Copy code example: [root @ leiwan tmp] # netstat-tunlp | grep 22tcp 0 0 0.0.0.0: 42957 0.0.0.0: * LISTEN 2230/rpc. statd tcp 0 0 0.0.0.0: 22 0.0.0.0: * LISTEN 2443/sshd tcp 0 0 127.0.0.1: 631 0.0.0.0: * LISTEN 2292/cupsd tcp 0 ::: 22 ::: * LISTEN 2443/sshd tcp 0: 1: 631: * LISTEN 2292/cupsd tcp 0: 57609: *

The size of the file hard disk deleted in linux remains unchanged. Recently, the game server's hard disk is full. The strange thing is that du/opt/is only 25 GB, but df is always case. The system capacity has been used. % available nodes/dev/sda5 195g 23G 163G 13%/ /dev/sda2 68G 65G 0 100%/opt/dev/sda1 99 M 12 M 82 M 13%/boottmpfs 16G 0 16G 0%/dev/shm do not understand why run du -- max-depth = 1-h in the/opt/directory for 65 GB, which is more than 20 GB. Later, we accidentally found that the ls

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Computer systems consist of two major departments of hardware (Hardware) system and Software (software) systemComputer compositionCpuAlu of the arithmetic deviceController CUMemory Rom/ramInput deviceOutput deviceXeon CPU xeone7-4809Single Failture one point failure should be avoided in operation and maintenance systemServers server is a computer that is a high-performance computer that provides a variety of services to client computers in the networkServer By application function can be divided

NAMEBash 24159 root txt REG 8,2 801528 5368780/bin/bashBash 24909 root txt REG 8,2 801528 5368780/bin/bashBash 24941 root txt REG 8,2 801528 5368780/bin/bash[Email protected] ~]#Example 3: Recursively view file information for a directoryCommand:Lsof Test/test3Output:[Email protected] ~]# cd/opt/soft/[Email protected] soft]# lsof test/test3COMMAND PID USER FD TYPE DEVICE SIZE NODE NAMEBash 24941 root cwd DIR 8,2 4096 2258872 test/test3VI 24976 root CWD DIR 8,2 4096 2258872 test/test3[Email prot

1. Server: 1u/2u/4u server, generally DELL/HP/IBM2.red Hat (component first, charge)/centos (adapted from Redhat)/ubuntu (Graphical interface System)/suse (developer use)3.centos Download: (i386:32 bit/x86-64:64 bit) depends on the server physical memory size, less than 8G Select 32 bits, and vice versa 64 bits. The installation process is the same.4.centos-6.5-i386-bin-dvd1.iso 4G: Contains all installed files.5. Installing vmware-create a new virtua