tripwire ops

, single-digit segment, 10-segment, 100-199-segment, 200-249-segment, 250-255-segment[[Email protected]_server home]# ifconfig | Egrep "\650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/72/51/wKioL1XgimTx5PjCAAHHzsHS2iA054.jpg "title=" the tenth question " alt= "Wkiol1xgimtx5pjcaahhzshs2ia054.jpg"/>There are still some problems, such as the number in the MAC address is not crawled out.Extensions: fetch the IP address of the ifconfig. The feature is that the first cannot be 0 for a rang

://s3.51cto.com/wyfs02/M01/72/5F/wKiom1XhxOCzuKQrAACuJ0RWhoU642.jpg "/>6. Add User bash, Testbash, basher, and Nologin user (Nologin user's shell is/sbin/nologin), then find out/etc/ A row in the passwd file that has the same user name as its shell name650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/72/5B/wKioL1XhxvygpgF6AACo3vS6Y-o857.jpg "/>7. Display the default shell and UID of root, CentOS, or User1 user on the current system (please create these users beforehand, if not present)

Troubleshooting procedures.1. receive disk alarms. NBSP; Check Disk# df-hFilesystem Size used Avail use% mounted on/DEV/SDA1 9.9G 2.2G 7.3G 23%/Udev 16G 168K 16G 1%/dev/dev/sda3 20G 768M 18G 5%/usr/local/DEV/SDA4 103G 92G 5.9G 94%/data2. data which directory occupies this space du-h --max-dep=1/data, discover usage only used 3. view type for files, and size greater than 1g the file. Found 60g not released. Serverapp 7383 Root 4u REG 8,4 60963948989 11142014/data

machine host_b in a more complex network environment, the machine is not directly accessible, but another host_a can access to host_b, but also can be accessed by the local, the above command resolves the problem of convenient login host_b.SSH-P 8888 [email protected]? SCP Transfer FileScp/root/bb/api.war [Email Protected]:/root/toolsYou can also transfer multiple destinations at once.Scp/root/bb/api.war [email protected]:/root/tools [Email protected]:/root/toolsIf the SSH default port is modif

It's mainly about rsync.On-Machine experimentand write some scripts.Here is the script for automatic backup#bak Site and logscd/var/html tar zcf/backup/www_$ (date +%f). tar.gz./wwwCd/app tar zcf/backup/logs_$ (date +%f). tar.gz./logs#bak SYS confCD/ tar zcf/backup/etc_$ (date +%f). tar.gz./scripts/bin/cp/var/spool/cron/root/backup/#rsync data to BakserverRsync-avzp/backup/rsync [Email protected]::backup/--password-file=/etc/Rsync.password#del data 7 days agoFind/backup-type f-name "*.tar.gz"-

Or is that sudo and su?When you log in with Su, add the following-Because of this, the environment variable will become the switch user'sThis can cause unnecessary trouble if you do not use environment variables.General Sudo is not allowed for remote logins, because passwords are plaintext and are very insecureBut you can use ssh-t [email protected] sudo-l this way to log inOkay, I'm done.20161129l04-09 old boy Linux OPS training-linux system user and

"alt=" Wkiom1glgeqruowoaab3z65a4_i992.png "/>4 Configuring the installation path, compiling the installation, compiling to the/usr/local/directory./configure--prefix=/usr/local/bash4-4/Make make install5. After compiling, append the new bash to/etc/shells and modify the root user's login shell environment for the newly compiled shell.650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/8A/15/wKiom1glnL6g68GjAAAJDq4Yiwo990.png "title=" A.png " alt= "Wkiom1glnl6g68gjaaajdq4yiwo990.png"/>65

file:Import-azurepublishsettingsfile X: \xxxxxxxx.publishsettings650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/88/21/wKioL1fqVzXAYxVuAAGklnJ0klM604.png "/>the current subscription will be displayed if the import is complete without problems ID, subscription name, and other related information. 650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/88/25/wKiom1fqVzbwhy_IAAClkEkL88g874.png "/>this time we can use Azure PowerShell cmdlet , such as get-azurevm This article is from

Question 1:Please put the following stringstu494e222fstu495Bedf3stu49692236stu49749b91Switch to the following form:stu494=e222fStu495=bedf3stu496=92236Stu497=49b91Question 2:Echo I am Oldboy training, please put the output of each character to the order, repeat the number of rows to the front.This article is from the "Old Boys Linux Training" blog, make sure to keep this source http://oldboy.blog.51cto.com/2561410/1855453Two Linux OPS Basics command e

is side by side, actually two pieces of files are sticky together, very not easy to distinguish, if want better typesetting way, recommend #diff-y 1.txt 2.txt.11) split large volumes of tar.gz files, each 100MB, and then merge.Split-b 100m/path/to/large/archive/path/to/output/filescat files*>archive12) Get the owner of the Wow.txt fileStat-c%u wow.txt"comment" This thing is more than cut awk, such as cut to cut to more force lattice?13) Find a file with a space at the end of the file nameFind.

For children who are engaged in or are about to be engaged in Linux operations, learning books and video courses is indispensable, and of course the most important thing is to put it into practice. Today, we recommend some good books, hope to be helpful to everyone.Introductory book:"Bird's private Cuisine" (Basic article)"Bird's private Cuisine" (service article)"Linux command line and Shell Scripting Encyclopedia (2nd edition)"Unix/linux System Management Technical ManualThe Art of UNIX progra

/local/jdk1.6.0_18/lib and/usr/local/jdk1.6.0_18/jre/lib respectivelyUnzip Tools.pack and Rt.pack to Tools.jar and Rt.jar, respectively:unpack200 Tools.pack Tools.jarunpack200 Rt.pack Rt.jar7, Test Java:In the terminal input command:Java-versionAppear:Java Version "1.6.0_18"Java (TM) SE Runtime Environment (build 1.6.0_18-b07)Java HotSpot (TM) Client VM (build 16.0-b13, Mixed mode)The Java installation is complete.8. Uninstall the JDK:Locate the _uninst subdirectory of the JDK installation direc

Project questions:When a new user logs on to the mailbox of OWA, it's always time to set the time zone, if it's a test, it doesn't matter.If it is production, you have thousands of people of the enterprise, this certainly is not possible.Workaround:The following workaround is provided by a student that I have not cared about because I do not care about the enterprise it, but this is useful for each student, I collect and organize this seriesIn1. Check User2. Search by Get-mailboxregionalconfigur

,'host-resources-mib::hrstorageallocationunits') Disk_list=[] hrsused=[] hrsize=[] hrsaunits= [] #Get Disk_list forIteminchHRSTORAGEDESCR:ifRe.search ('/', Item): Disk_list.append (Item.split (':') [3]) #Print Disk_listgetDate (hrstorageused,hrsused) getDate (HR Storagesize,hrsize)#print getDate (hrstorageallocationunits,hrsaunits) #Get Hrstoragea

需求：生成指定长度的随机密码，其中密码中应该包含数字和英文字母 实现： #!/usr/bin/env python#-*-coding=utf-8-*-#Using GPL v2.7#Author: [email protected]ImportRandom, String#importing random and string modules defGenpassword (length):#Number of random numbersNumofnum = Random.randint (1,length-1) Numofletter= Length-Numofnum#Select Numofnum numbersSlcnum = [Random.choice (string.digits) forIinchrange (numofnum)]#Check Numofletter LettersSlcletter = [Random.choice (string.ascii_letters) forIinchrange (numofletter)]#scrambled Combin

My name is Liuzanyuan, from Linqing, Liaocheng, Shandong province.Not yet graduated, it belongs to the internship. Prior to the Heze Vocational College of Information Engineering Computer application Technology of a junior student. Originally came to our school to do the training is the 17 March, at that time I was in the confusion after graduation period, to practice after the feeling of learning this is also very good, although I did not know how to learn this future of how, also do not know h

If you are planning to learn Linux operations, here are some of my Linux operations, I hope I can help youA: If you do not have any basis, first of all, we recommend that you first look at the information or video on this, when you look at the best to make notes, so that later will be a great help to you.Two: can be appropriate to remember some of the English word on Linux, because this system is full of English, if it really is not a bit, just like you if you do not understand the language, you

= (all:all) all #For DOMAIN groups Specify user and user group permissions16. Use the following command to view the domain controller information: $ sudo net ads info viewing domain controller information17. You can use the following command on the machine where the Winbind client is installed to verify that the trust relationship after CentOS joins the SAMBA4 AD DC is normal: $ sudo yum install samba-winbind-clients Then, perform some of the following commands t

Tags: meaning data SQL database ODB details issues HDF cut feature threads1. What are the differences between row and column storage?What are the modes of 2.MySQL database Binlog? What's the difference?3.awk How to print out the number of columns in a file?4.awk How do I specify delimiters, and how do I specify delimiters for cut?5. What happens if one of the disks in HDFs (the amount of data is particularly large) is unplugged.6. How do I view threads in Linux?7. How do I view Linux disk IO? Wh

load balancer or on the application server locally (refer to the Enterprise Code release scenario for the classroom) for a specific design.Enterprise Face question 31: Please design a set of Git+saltstack implementation of code on-line publishing and management solutions.(can refer to the old boy learning Linux operations: Shell advanced programming of the book content)Reprint of the Netizen, please be sure to keep the entire content of this article, thank you.Inspection criteria:1, review the