oracle cloud basics

Oracle BASICS (1), Oracle BASICS ( Oracle Database System is a group of software products with distributed databases as the core provided by Oracle in the United States. It is currently the most popular Client/Server) or one of th

Canonical and Oracle announce their cooperation on OracleCloud to better handle large-scale deployment tasks for enterprise users. In recent years, Canonical has continued to develop cloud services and has become a leader in many cloud deployment scenarios of Ubuntu. In addition, Microsoft released the first AzureStack technology preview version based on Ubuntu y

Flower Wei fun Pat Cloud product ManagerDeep Decomposition Video Basics"Video technology has grown to a more than 100-year history, although it is shorter than the history of photography, but it has been the most important medium for a long time in the past."Because of the rise of Internet in the new century, the traditional media technology has a better development platform, and new multimedia technology h

, test again, see whether it can be successfully resolved.650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/9E/68/wKiom1mQbIbS_gNoAA3legMDsP8723.png "style=" float : none; "title=" screenshot from 2017-08-13 20-39-31.png "alt=" Wkiom1mqbibs_gnoaa3legmdsp8723.png "/>650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/9E/57/wKioL1mQbI_jWBo-AA4G4AdY8CY090.png "style=" float : none; "title=" screenshot from 2017-08-13 20-46-54.png "alt=" Wkiol1mqbi_jwbo-aa4g4ady8cy090.png "/>This a

for Force mode650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M02/9D/D2/wKiom1mG8s2Res3oAAC2lNPSWNg181.png "style=" float : none; "title=" screenshot from 2017-08-06 06:31:05.png "alt=" Wkiom1mg8s2res3oaac2lnpswng181.png "/>650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M02/9D/D2/wKioL1mG8s3TYXboAABSo3GT58o818.png "style=" float : none; "title=" screenshot from 2017-08-06 06:34:48.png "alt=" Wkiol1mg8s3tyxboaabso3gt58o818.png "/>4. How to control the SELinux switch to the servi

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from 2017-07-29 10-19-21.png "alt=" Wkiom1l9rajhuyzdaalyj38y8dq958.png "/>3. Service StatusSystemctl Status Service NameLoaded # #系统服务已经初始化完成, loaded configurationActive (running) # #正有一个或多个程序正在系统中执行,# VSFTPD is this patternAtcive (exited) # #僅執行一次就正常結束的服務,# There are no programs in the system at this time.Atcive (Waiting) # #正在執行當中,# and wait for other events to continue650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M02/9D/45/wKiom1l9Q-CSd7N4AAFRbLUf7Ho222.png "title=" Screenshot from

.lessPaging through files, using when files are too long/keyword search keywordsQ exitV gedit = GNOME EDIT650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/9C/5F/wKiom1lvaH6zMvzzAAFa6kKXAFo535.png "title=" Screenshot from 2017-07-19 22-10-03.png "alt=" Wkiom1lvah6zmvzzaafa6kkxafo535.png "/> 13.gedit = text editor for GNOME edit graphics NBSP gedit file Open File and edit ctrl+s Save ctrl+n Open a new editing interface ctrl+o Opening a new file 14.rm = remove Delete

4. Oracle Cloud Solution 4.1 Oracle Cloud computing Cloud computing is the development and integration of technology trends that have been driving the development of enterprise data centers and service providers over the past few years, including grid computing, cluste

Oracle Database BASICS (2): oracle Database Basics 1. Table Name naming rules: The table name must start with a letter and cannot exceed 30 characters. do not have any Oracle reserved words.2. Data TypeCharacter Type:Char: 2000 characters long, efficientVarchar2: 4000 charac

using the compression format, the above X264 to use the X264 encoder compression, and some XviD and so on are represented by the encoder. What's special is that the Remux represents a re-encapsulation of the video data directly from the HD disc (BD or HD-DVD) (not re-encoded). The highest quality, but the general document will be very large;L Part VI is the current film audio compression encoding format, common with DTS, AC3, DD5.1, AAC, LPCM, MP3. Of course, some use the next generation HD aud

=" Screenshot from 2017-07-30 11-26-50.png "alt=" Wkiol1l9u2bccxj5aaa5ecu35lw285.png "/>ln-s/file/file1 # #软链接Ln/file/file1 # #硬链接# # # #3. File Search # # #1.locate filename # #在文件数据库中搜索filename信息, updatedb update file database2.findFind Lookup Location-condition condition value-exec action {} \;-name-not conditions-user-group-size-perm--maxdepth--mindepth-A-O-type F FileCatalog DC-Character deviceB-Block Equipments set of section wordsL LinkFind/mnt-user StudentFind/mnt-group LinuxFind/mnt-use

similar to SIGALRM/SIGVTALRM, but includes the CPU time used by the process and the system callTime.28)Sigwinch when the window size changes.29)The SIGIO file descriptor is ready to start the input/output operation.60LSIGPWR Power FailureThere are two signals to stop a process: Sigterm and Sigkill. Sigterm is friendly and the process captures the signal and shuts down the program according to your needs. Before you close the program, you can end the open record file and complete the task you ar

time, time synchronization server level systemctl restart chronyd systemctl stop firewalld 2. Client vim /etc/chrony.conf 3 server 0.rhel.pool.ntp.org iburst 4 server 1.rhel.pool.ntp.org iburst ====> server ntpserverip iburst 5 server 2.rhel.pool.ntp.org iburst ====> 6 server 3.rhel.pool.ntp.org iburst systemctl restart chronyd test: [[email protected] ~] # chronyc sources -v 210 Number of sources = 1 .-- Source mode ‘^’ = server, ‘=‘ = peer, ‘#’ = local clock. / .- Source state ‘*’ =

DirectoryVim/etc/yum.repos.d/xxx.repo[Software]Name=softwareBASEURL=FILE:///RPM Storage DirectoryGpgcheck=0# # # #client指向端 # #Vim/etc/yum.repos.d/xxxx.repo # #仓库指向文件位置[XXXX] # #自定义软件仓库名称NAME=XXXX # #自定义软件仓库描述baseurl=ftp://|http://|file://# #仓库位置Gpgcheck=0 # #不检测gpgkey# #gpgkey表示软件的出品logoExample:Vim/etc/yum.repos.d/yum.repo[Server]name=rhel7.1baseurl=ftp://172.25.0.254/pub/rhel7.1Gpgcheck=0: Wq650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/9D/46/wKiom1l9TmezbwC7AACmnqMU0bw571.png "

similar to SIGALRM/SIGVTALRM, but includes the CPU time used by the process and the system callTime.28)Sigwinch when the window size changes.29)The SIGIO file descriptor is ready to start the input/output operation.60LSIGPWR Power FailureThere are two signals to stop a process: Sigterm and Sigkill. Sigterm is friendly and the process captures the signal and shuts down the program according to your needs. Before you close the program, you can end the open record file and complete the task you ar