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"Python programming: from getting started to practicing" [Eric Matthes] Chinese PDF non-scanned version

, soft articles, published translations of 40 more than, including the C + + Prime plus Chinese version of the CCNA Learning Guide, CCNP Route Learning Guide, model-oriented Software architecture: Model system Android App UI design mode "VC choice: Who is the next 1 billion-dollar company," and so on, a total of more than 7 million words; Before the professional translation, engaged in three years of chemical product analysis and development, has done

To be a Linux maintenance engineer's friend, must master the following several tools to do ...

way to learn the 4th. 5, Text processing commands, sort, tr, cut, paste, uniq, tee, etc., must learn, is also combined with the 3rd time to learn. 6, the database, the preferred MySQL, don't ask why I do not learn SQL Server and Oracle, because Linux is used to be the most absolute MySQL, adding and removing changes must learn, especially to learn to check, other aspects may not be necessary, because the operation and maintenance personnel use the most or check, What optimization and developmen

CISCO PT Simulation Experiment (13) router RIP dynamic routing configuration

communicate router (config-if) #no shutdown //Open port Router (config) #^zrouter#showr router0 Dynamic routing configuration Router>enablerouter#conftrouter (config) # routerrip //enable RIP dynamic routing protocol Router (config-router) #version 2 //using version 2, RIPV2 protocol router (config-router) # NETWORKNBSP;192.168.1.0NBSP;NBSP;NBSP;NBSP;NBSP;//Specifies the network that needs to be advertised (at the router interface) Router (config-router) #network 10.254.10.0Router (config) #^z

CISCO PT Simulation Experiment (12) configuration of router static routes

communicate router (config-if) #no shutdown //Open port Router (config) #^zrouter#showr Router0 Static routing configuration router>enablerouter#conf Trouter (config) #ip Route 192.168.2.0 255.255.255.0 10.254.10.2 (Command interpretation: When the destination network address is 192.168.2.0, forward to port address 10.254.10.2 routes) Router (config) #^zrouter#show IP routeRouter1 Static routing configuration router>enablerouter#conf Trouter (config) #ip Route 192.168.1.0 255.255.255.0 10.254.1

CISCO PT Simulation Experiment (16) Router redistribution configuration

//redistribution of Direct connect routes to Ospfrouter (config-router) #redistribute static subnets//redistribution of static routes to Ospfrouter (Config-router) #redistribute ripsubnets//re-distributing RIP to ospfrouter# showrrouter#showiproute//3 Direct-attached routes within the routing table, with 1 static, RIP, and OSPF dynamic routes# Link Test PC0 (Command prompt cmd) ping 192.168.3.1//link ping 192.168.4.2//link ping 192.168.2.2 Link-through PC3 (Command prompt cmd) ping 192.168.1.2//

Linux OPS engineers must learn the 8 necessary IT skills

simple configuration, and lnmp and lamp to be quite skilled, not only to build, To be familiar with the configuration of the service, each company will use to the Web server, so Apache and Nginx to master, some companies will use to Tomcat, so nginx technology more demanding refinement. The company's network has been deployed to complete, do not need to consider the network problems, and for the Network Foundation is poor, and even IP, subnet mask do not understand, that another please pick up

Spanning Tree protocol configuration for the Cisco PT Simulation Experiment (5) switch

is of type Rstpswitch (config) #endSwitch #showspanning-tree nbsp//determine root switch, port role, port status, etc. # Link Test PC0 (Command prompt cmd) ping 192.168.1.4//link switch0switch>enswitch#conf tswitch (config) #inter f0/23 Turn off Port switch (config-if) #shutdownPC0 (Command prompt cmd) on the main link ping 192.168.1.4//link//Backup link flag changed from yellow to green, indicating backup link is enabled Lab Environment: Windows 7, Cisco PT 6.3Reference:

CISCO PT Simulation Experiment (4) VLAN partitioning and configuration of switches

(VLAN) #exitSwitch #showvtp status//viewing VTP configuration information switch#show vlanbrief// Display VLAN configuration information switch#conftswitch (config) #inter f0/1switch (config-if) #switchport accessvlan The 2//divides the port into Vlan2switch (config-if) #exitSwitch (config ) #inter f0/2switch (config-if) #switchport NBSP;ACCessvlan3//divide the port into Vlan3switch (config-if) # Exitswitch (config) #inter f0/24switch (config-if) #switch modetrunk //Configure the port as Trunk

CISCO PT Simulation Experiment (2) port configuration and management for switches

: interface fastethernet0/1s2960 (config-if) #speed 100s2960 (config-if) #duplex fulls2960 (config-if) # end//at the same time the PC0 network card to full duplex mode, 100M rate, otherwise the link is not through s2960#showinterface //Display Port All information s2960#show mac-address-tables2960#configts2960 (config) #line console0 //Entering console line mode S2960 (config-line) #password cisco //Set the login password for the console line S2960 (config-line) #login nbsp//must set the passwo

CISCO PT Simulation Experiment (5) port aggregation configuration for switches

) #port-channelload-balancedst-ip//to achieve load balancing by Destination IP address switch ( Config) #exSwitch #showetherchannelsummary NBSP;NBSP;NBSP;NBSP;//Display Ethernet Channel Information Switch#conftswitch (config) #interface port-channel1 //port configuration mode switch (config) into the aggregation port #exSwitch #showinterfacesetherchannel //displaying aggregation port information PC0 (Command prompt cmd) ping 192.168.1.3//link ping 192.168.1.4//link ping 192.168.1.5//Link PassPo

Basic configuration and management of the Cisco PT Simulation Experiment (1) switch

//Set the host name s2960s2960 (config) #interface fastethernet0/ 1//Enter configuration mode S2960 (config-if) #exit //return to previous level mode S2960 (config) #ip address192.168.1.1255.255.255.0 //Set Switch IPS2960 (config) #ip default-gateway192.168.1.254//Set the default gateway S2960 ( Config) #ip domain-namecisco.com //Set the domain name S2960 (config) #ip name-server200.0.0.1 //Setting the domain name server S2960 (config) #no ip domain-lookup/ /prohibit Domain name resolution S2

Linux Learning Basics 1

-d:-F1,3/ETC/PASSWD represents the first field in the delimiter and the third field displayed as:-D indicates that the specified delimiter-F represents the specified delimited field2 Sort the default effect is sorting (sorted by the first letter of the first character)-t specifies the delimited notation memory mode direct-K Specify delimited fields-N Sort by number-U means that the same duplicate rows are displayed only once-F ignores character casing ignore case-R indicates reverse displaySORT-

How to learn Linux

I. How to learn LinuxFirst stage: Primary stageLinux Basics, basic commands (origin, composition, common commands such as CP, LS, file, mkdir, etc.)Linux Users and Permissions basicsLinux efficient text, file processing commands (vim, grep, sed, awk, find, etc.)Get Started with Shell scripting (learn while you practice)Second Stage: Intermediate advancedIntermediate levels need to be fully aware of the principles and Fundamentals of Linux, the upper layer of applications and services in-depth st

Linux Network Management

A computer that is not networked is scrap metal, and managing Linux must also know the network, but the web is a particularly big discipline, with principles and norms that can write three of books. Learn Linux before you can not go to test a CCNA and then learn it! If you don't learn, you must have some knowledge of the network . Understand the network management in Linux and understand the basic principles of network operation. A physical deviceearl

Cisco Comprehensive Small Experiment

Objective:Share with me today a Cisco integrated small experiment, difficulty CCNA level. It mainly involves the following knowledge points: VLAN, DHCP, STP (spanning-tree) +HRSP (standby), OSPF, NAT, ACL. The GNS3 simulator is used in the experiment. The experiment is as follows:Experimental Purpose:The ultimate experiment was designed to allow the PC to access the R2 loopback interface (the Internet is being emulated here). Specific implementation d

Linux Operating system knowledge

-grant-start Save and start MySQL, no password is required at this time.Go in and execute.mysql> use MySQL;mysql> Update user Set password=password= (' Newpass ') where user= ' root ';mysql> flush Privileges;In the/ETC/MY.CNF comment--skip-grant-start this line, restart the service canWhat are the skills and professional qualities required for 17.Linux OPS engineers?This is very important, this does not say, this article only say technical things oh! /hahaThe skills that a person deems necessary

10 basic skill points for Linux OPS engineers

be the way to learn the 4th.5 , text-processing commandssort, tr, cut, paste, uniq, tee and so on, must learn, also unifies the 3rd time to study together. 6 , DatabasePrefer MySQL, don't ask me why not learn SQL Server and Oracle, because Linux is most definitely mysql. Additions and deletions to learn, especially to learn to check, other aspects may not be necessary, because operations and maintenance personnel use the most or check, which optimization and development statements will not le

10 basic skill points for Linux OPS engineers

be the way to learn the 4th.5 , text-processing commandssort, tr, cut, paste, uniq,tee and so on, must learn, also unifies the 3rd time to study together. 6 , DatabasePrefer MySQL, don't ask me why not learn SQL Server and Oracle, because Linux is most definitely mysql. Additions and deletions to learn, especially to learn to check, other aspects may not be necessary, because operations and maintenance personnel use the most or check, which optimization and development statements will not let

To be a Linux maintenance engineer's friend, must master the following several tools to do ...

way to learn the 4th. 5, Text processing commands, sort, tr, cut, paste, uniq, tee, etc., must learn, is also combined with the 3rd time to learn. 6, the database, the preferred MySQL, don't ask why I do not learn SQL Server and Oracle, because Linux is used to be the most absolute MySQL, adding and removing changes must learn, especially to learn to check, other aspects may not be necessary, because the operation and maintenance personnel use the most or check, What optimization and developmen

10 basic skill points for Linux OPS engineers

the 3rd will be the way to learn the 4th.5. Text Processing commandsSort, tr, cut, paste, uniq, tee, etc., must learn, is also combined with the 3rd time to learn.6. DatabasePrefer MySQL, don't ask me why not learn SQL Server and Oracle, because Linux is most definitely mysql. Additions and deletions to learn, especially to learn to check, other aspects may not be necessary, because operations and maintenance personnel use the most or check, which optimization and development statements will no

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