linux training for beginners

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　　　Basic Linux Training tutorial usingFind is a very powerful search command for Linux, and with man find, you can find the description of Find in one screen, and it will take some time to read it. Brother even the Linux training to summarize the next, sorting out the use of

Linux is now the IT industry is one of the hottest industry, many friends in the sight of its fire and training courses of all kinds of fancy propaganda will be among the impulse, but we ugly words said in the front, the newspaper class study is I have no talent, no resources, no time the most efficient way to the public, But still can not cure all ills, if the following three ideas can not be amended, so-c

lines that begin with at least one whitespace character in/boot/grub/grub.conf;# grep "^[[:space:]]\{1,\}[^[:space:]]\{1,\}"/boot/grub/grub.conf Find one or two digits in the/etc/passwd file;# grep--color=auto "\ Find the integer between 1 and 255 in the result of the ifconfig command;# Ifconfig | Grep-e--color=auto "\ View all information about the root user on the current system;# grep "^root\>"/etc/passwd Add user bash and Testbash, basher, and then identify the user on the current s

] ~]# Archi686[Email protected] ~]# Archx86_64Method 4: View the File command[Email protected] ~]# File/sbin/init/sbin/init:elf 32-bit LSB executable, Intel 80386, version 1 (SYSV), for Gnu/linux 2.6.9, dynamically linked (uses shared LIBS), for Gnu/linux 2.6.9, stripped[Email protected] ~]#[Email protected] ~]#[Email protected] ~]# File/bin/ls/bin/ls:elf 32-bit LSB executable, Intel 80386, version 1 (SYSV)

Some training logs for Linux-Linux Enterprise Application-Linux server application information. For more information, see below. 1. view the shares on the server, Showmount-e 192.168.0.254 or smbclient-L 192.168.0.254 2. Mount the sharing on the server to the local device. Mount-t nfs 192.168.0.254:/var/ftp/pub/mnt/

This section speaks about some of the fundamentals of the siteAccess mechanism.DNS AHThe timeline is around 1999, and the portal has risen.Sohu, NetEase, Sina, and so on the best era of the portal site, at that time is generally static web pageFlow is the amount of money, there is money flow reason. Www.hao123.com is also an example of a successful static websiteStatic website Technology Html.xmlThe beginning and terminator of HTML are all paired up.and Div+css mode.And it's a nested pattern.Pro

default, alias sets a command alias that is valid only for the current shellCommand reference:Name= ' command ', name=$ (command)6. Display all files or directories in the/var directory that start with L, end with a lowercase letter, and have at least one digit (can have other characters) appear in the middle.ls-d/var/l*[0-9]*[[:lower:]]7. Displays files or directories that start with any number in the/etc directory and end with a non-numeric number.[0-9]*[^0-9]8, Show/etc directory, start with

This section says the SSHSSH manufacturing private and public keysThe private key is the keyThe public key is a lockDistribute the public key to each Linux server you want to log on to#ssh-keygen-t DSAUsing this command will generate a pair of keys in this machinePrivate key ID_DSAPublic Key Id_dsa.pubPut the public key on the server you want to log on toWith the command#ssh-copy-id-i id_dsa.pub [email protected]Put the public key on the server and st

Tags: Oracle install Oracle 11g installation diagram Oracle Database tutorial Oracle Video tutorial Oracle Tutorial1. How to explainThe full video demonstrates the entire process of installing an Oracle database on a Linux operating system.2. Core CurriculumFull-course Training video tutorials, high-quality courses.Learn the theory from the practice, grasp the practice from the theory.The whole course is ex

[Auto-Generate Flag (v0.1) under Combat training]20180117,linuxSets the process for target target drone (Linux) to generate flag at timed intervals. Login to root user at Target drone terminal Use the command Su and enter the root user's password Create a new script and edit it under/root 2.1 Create a new script and name it ye2.shUse the command:Nano ye2.sh After executi

Exercise: 1 . Displays the line in the/etc/passwd file that ends with bash. cat/etc/passwd |grep ' bash$ ' 2 . Displays the two-digit or three-digit number in the/etc/passwd file. cat/etc/passwd |grep ' [[:d igit:]]\{2,3}\ ' 3 . Displays the line with ' LISTEN ' followed by 0, one or more whitespace characters in the ' netstat-tan ' command result. cat/etc/passwd |grep ' listen[[:space:]]\{0,\}$ ' 4, useradd bash useradd testbash useradd basher useradd nol

began to be confused, on the official website of Marco see next month there is face-to-head class, call the consulting teacher, asked, tuition can be loans and so on, asked about the employment situation, the registration fee handed over 1200, then directly to Marco. It was October 2016, I remember it correctly. After the name of the newspaper bought a bird brother's private food, watched a few days and play the game went, until the beginning of the school teacher let me choose the position, I

example:[[email protected] var]# ls-d/var/l*[0-9]*[[:lower:]]/var/l12d/var/l1c/var/l3b/var/l3k/var/labc8dfdse7. Displays files or directories that start with any number in the/ etc directory and end with a non-numeric number. Ls-d/etc/[0-9]*[^0-9]8, show /etc directory, start with a non-letter, followed by a letter and any other arbitrary length of any character file or directory. Ls-d/etc/[^[:alpha:]][[:alpha:]]*or ls-d/etc/[^a-z][a-z]*.9.in the/ tmp directory, create a file that starts with T

)CommandYum Install MuttYum Install SwaksYum Install MailxThe test sends mail, but if you do not modify the configuration file, you can only send the individual users of the native environment.To send to an external mailbox, configure the mail configuration fileFor example:Here you need a simple command.Mail root–s "Hello"#表示当前账号下面有接收到的邮件Command Mail [email protected]Will enter the subject inputBody inputTo end the body input you need to break the line first. Exit after EnterIf you want to kno

Tags: nginx use environment Nginx service with PAC Linux OPS include fileMulti-instance setup for NginxLet's start with a description of the parameters appended to the Nginx-S back plus reload is the same effect that reloading means and Apache graceful-V Lowercase v Displays the version number after exiting-V-Uppercase with the version number of the Nginx and configuration environment-T is the meaning of test, check the configuration file is correct-C

not open## Controls who can get stuff from the this server.#Require all grantedLook at the set-row statistics used by httpd.confEgrep-v "^.*#|^$" httpd.conf|nlExtra is an Apache extension profile directory[Email protected] extra]# tree.├──httpd-autoindex.conf├──httpd-dav.conf├──httpd-default.conf├──httpd-info.conf├──httpd-languages.conf├──httpd-manual.conf├──httpd-mpm.conf├──httpd-multilang-errordoc.conf├──httpd-ssl.conf├──httpd-userdir.conf├──httpd-vhosts.conf└──proxy-html.confWhich is mainly

Calls31ttyPrint Terminal32trReplace delete characters, use with pipe33ifconfigView IP Address34useraddCreate user-u uid: Specify UID-G GID-G Additional Group-D Specify home directory-C Comment Information-S Specify shell35usermod User Property Modification-u uid: Specify UID-G GID-G new Add-on group, original will be overwritten-ag Append additional groups-C Comment Information -D new home directory, files in the original home directory will not be moved to the new home directory at the same ti

began to be confused, on the official website of Marco see next month there is face-to-head class, call the consulting teacher, asked, tuition can be loans and so on, asked about the employment situation, the registration fee handed over 1200, then directly to Marco. It was October 2016, I remember it correctly. After the name of the newspaper bought a bird brother's private food, watched a few days and play the game went, until the beginning of the school teacher let me choose the position, I