rhce book

RHCE (REDHAT7)(iii)First, the configuration of soft RAID (MDADM)Mdadm system will be installed automatically, do not need additional installation# mdadm-c/dev/md1-a yes-l1-n2/dev/sdb1/dev/sdb2 ( note 1 is preceded by the letter L,1 represents raid1, 2 for 2 fast drives )View information:# mdadm-d/DEV/MD1generate the configuration file (otherwise, the server restarts the soft RAID is disabled):# Mdadm-ds >/etc/mdadm.conf# MKFS.XFS/DEV/MD1# MOUNT/DEV/M

tasks, the system comes with a scheduled task, priority can be added 0 beginning,/etc/anacrontab if the task did not execute successfully, every 5 minutes check.Run once per 5 s#！ /bin/bashWhile TrunDoLs-l/etcSleep 5sDoneLesson Five:1. IP link Show eth[x]View interface Status2. Locate-i ignoring case3, Find-perm +222 Ugo can have write permissionfind-perm-222find-perm-002 other people have write permission4.netstat-r Viewing routesLesson Six:1, Rhel7 SystemctlSystemctl Restart NetworkSystemctl

RHCE test Disk Quota1. Create a user who needs to limit the quota 2. modify the configuration file and add the quota parameters.Modify the configuration file # vim/etc/fstab; add usrquota (quotas for users) and kgquota (quotas for groups) after ults) 3. Configuration takes effectMethod 1: # restart init 6Method 2: # mount-o remount/mnt/sdb2 (mount point)4. Scan and load partitions# Quotacheck-cumg mount point (if the mount point is successful, t

RHCE review notes-Linux Enterprise Application-Linux server application information. For more information, see below. Knowledge Point 1: DHCP 1. Obtain the two protocols required for network Configuration from the server: DHCP (Dynamic Host Configuration Protocol) and bootp. If there is a DHCP server in the LAN, DHCP works; if you get information from the DHCP server on another network, you need the bootp protocol. 2. configuration file:/etc/dhcpd.

-t PORT_TYPE -p tcp 8090 Where PORT_TYPE is one of the following: http_cache_port_t, http_port_t, jboss_management_port_t, jboss_messaging_port_t, ntop_port_t, puppet_port_t. ... [[email protected] ~] # semanage port -a -t http_port_t -p tcp 8090 [[email protected] ~] # systemctl restart httpd [[email protected] ~] # netstat -pantu | grep httpd tcp6 0 0 ::: 8090 ::: * LISTEN 9668 / httpd One of the questions on the RHCE exam is: Configure

The shell script's reference book from the foundation to the advanced can find hundreds of, the beans here for the entire study note integrity, or audacity the most basic grammar review again. The most basic include variables, comparisons, operators, conditional statements, and loop statements.Variables are divided into local variables, environment variables, position variablesFirst look at local variables, variable name = value of the way to assign v

Book inventory plays an important key business data for warehouse management operations in books. Development at any age now promotes blood circulation in books, book types and update speed are just as fast rising.In order to ensure a foothold in the book industry, to ensure the correct purchase and inventory control and delivery. In order to avoid the backlog of

IOS Address Book programming, listening for system address book changes, and ios address book Listen for address book changes The client code must be implemented as follows: /* Remove the registration function */-(void) dealloc {ABAddressBookUnregisterExternalChangeCallback (_ addressBook, ContactsChangeCallback, nil)

My previous question stopped for a long time because-I went to write a book.ObjectiveI started working in March 2012 and now I'm six years away. For the past six years, I have never known anything about SQL Server, only the simplest C # programmers have started, stepping back from a nameless outsourcing company to the middle of a larger financial institution, with wages rising to nearly four times times the size of a new job. In the process of struggle, I also go a lot of detours, once very depr

Write in frontThanks to all the friends who came in to see. Yes, I'm currently going to write a book about unity shader.The purpose of the book is to have the following several: Summarize my experience with unity Shader and give others a reference. I am very aware of the difficulties of learning shader, and I have seen many questions raised by people in the group. I think learning shader is still a

Write in frontThanks to all the friends who came in to see. Yes, I'm currently going to write a book about unity shader.The purpose of the book is to have the following several: Summarize my experience with unity Shader and give others a reference. I am very aware of the difficulties of learning shader, and I have seen many questions raised by people in the group. I think learning shader is still a

Address: http://calibre-ebook.com/user_manual/conversion.html#convert-microsoft-word-documents The calibre conversion system is designed to be very easy to use. Generally, you only need to add a book to calibre and click convert. calibre will generate output as close as possible to the input. However, calibre accepts many input formats, but not all of them are suitable for conversion to other formats of e-books. In this case, for these input formats

Internship Time: 2016.2.10--2016.2.24Internship Location: Zhongguancun book building, Haidian District, BeijingInternship Report:"One step at a time", for our college students, internship is an important part of life experience, but also an important steps, is the new era of college students to connect theory and practice the most important is the best way, for us to work Post laid a solid foundation.This choice in the Zhongguancun

The interface for accessing the address book and a single contact data is a C-language function that transmits references to various objects in the address book as parameters. The base class object for managing entries in the address book is abrecord. An abrecord can represent a person or a group of abgroups. Whenever you select a record on the interface or use t

IOS-Address Book, ios Address Book Development1. Overview: * For every mobile device, there is a built-in database ----- address book. * On IOS, the address book is stored in the SQLite3 database. * Because different applications cannot access the database directly, you must use the APIS opened by Apple to access the d

Write in frontThanks to all the friends who came in to see. Yes, I'm currently going to write a book about unity shader.The purpose of the book is to have the following several: Summarize my experience with unity Shader and give others a reference. I am very aware of the difficulties of learning shader, and I have seen many questions raised by people in the group. I think learning shader is still a

[Special statement] This article is purely my personal behavior. It is totally out of my preferences and has nothing to do with Turing. However, it should be noted that writing this book review is entirely from the whim. Although I want to maintain neutral, I am a publisher, and the service provider can be said to be a competitor of the publishing house. Therefore, it is not a suitable reviewer, please pay special attention to this when reading the f

KVC (keyvaluecoding) "Key-value-code" is a mechanism for accessing class instance variables directly through the string's name (key).KVC can be used to access and set the value of an instance variable.Setting mode: [Self setvalue:aname forkey:@ "name"][Self setvalue:aname forkeypath:@ "Person.name"]Access mode: astring = [self valueforkey:@ "name"]astring = [Self valueforkeypath:@ "person.name"]1 Main function Contents2Person *xiaoli =[[Person alloc]init];3 //

Andorid: Book-turning effect; andorid: Book-turning EffectContent Project Structure Environment Demo References The book turning effect mainly uses the method of drawing the besell curve. This article has three demos: Simple book flip. After the next page is turned over, the current page will not disappe

Le Book is a multi-advantage function in one of the efficient Office tools, with writing books, writing manuals, making e-books, multi-person online cloud collaboration Office, conversion document format and other functions. Many operations can be done directly by the mouse drag and drop, the interface is simple and lightweight, easy to get started, and no need to download any software, directly on the web to achieve all operations. At the same time,