best operations management books

Basic management operations for snapshots include deleting snapshots and rolling back snapshot operations. Delete snapshot: After selecting a snapshot in the list, click the Delete Snapshot button shown in the Blue border. Rollback SNAPSHOT: The rollback snapshot operation can only be rolled back for the snapshot-only cloud disk. After the snapshot in the Radio

Rd_huishishuju; Gives the Rd_huishishuju user the ability to query for all tables dev_huishishuju=# grant all on T_admin to Rd_huishishuju; Rd_huishishuju user is given T_ The Admin database table has all permissions Common operations for entering a database: test_huishishuju=> \help help command test_huishishuju=> \l Display detailed database information test_huishishuju=> \c postgres Switch postgres database test_huishishuju=> \dt or \d lists

Tags: nal upd tar.gz efault user gre default NATMySQL 8.0.11 INNODB cluster Operations Management manual four-msyqlbackup backup author Fanglian mysqlbackup IntroductionMysqlbackup is a hot backup tool, that is, it is not as mysqldump as a global lock on the table, because the mysqldump on the lock, so that the client can only read the database can not write, which is called mysqldump for warm backup reason

ComponentsROOTalso calledCdb$root,Store theORACLEthe provided metadata andCommon User,An example of meta data isORACLEprovided byPL/SQLthe source code of the package,Common Userrefers to a user that exists in each container. SEED ComponentsSeed also called Pdb$seed, This is what you create PDBs database template, you cannot Seed To Add or modify an object in the. There is only one Seed in a CDB .PDBsCDB can have one or more PDBs , PDBs backwards compatible and can be manipulated as before in

the parameters in the /etc/login.defs file, so it is valid for everyone, the user encryption mode that has been created is not changed, but the modifications change, the new user uses the modified encryption algorithm, and the re-login is still validThe second $ after is salt (salt): Can be abstracted as the role of spices, is the same password, add salt generated by the random number based on the avalanche effect, the resulting ciphertext is not the same, so that if someone else's password cip

/DEV/VDB1 vg0 lvm2 a--1020.00m 820.00m/DEV/VDB2 vg0 lvm2 a--1020.00m 1020.00m6.LVM SnapshotsLvcreate-l 20m-n lv0-backup-s/dev/vg0/lv0 # #给/dev/vg0/lv0 Snapshot,-l specify snapshot size,-n Specify Snapshot name-s specify Snapshot template deviceMount/dev/vg0/lv0-backup/userdateWhen the data in the snapshot device is changed, if you want to restore, delete the snapshot device, re-establish the snapshot650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/9D/CD/wKiom1mGmh7AZ8AFAAAnc2HFXkA505.

| Add-member-membertype noteproperty-name Device detailed name-value $username. Name$userobject | Add-member-membertype noteproperty-name device name-value $username. FriendlyName$userobject | Add-member-membertype noteproperty-name Device Type-value $username. DeviceType$userobject | Add-member-membertype noteproperty-name device Model-value $username. Devicemodel$userobject | Add-member-membertype noteproperty-name First sync time-value $username. Firstsynctime$userobject | Add-member-membert

Create and transfer to new branch: Git checkout–b xx (where XX stands for Branch name)Post a new branch on GitHub: Git push Origin Branch1Add files to the branch: git add master/xx (xx file in master) or git add xx (xx file)Add file Comment: git commit–m "XX"Push:git Push–u Origin XX (previous branch name)or Push:git pushMerge branches: First go to master branch git checkout MasterThen git merge XX (the name of the new branch) is merged into masterPush: git push;Delete a branch locally: Git bran

): threading. Thread.__init__ (self) self.threadID=threadID self.name=name self.counter=counter Defrun (self):print ("starting" + Self.name) print_time (self.name,self.counter,5) print ("exiting" +self.name) nbSp;defprint_time (Threadname,delay,counter):whilecounter: ifexitFlag: thread.exit () time.sleep (delay) print ("%s:%s" % (Threadname,time.ctime ( Time.time ())) counter-=1 #createnewthreadsthread1=mythread (1, "Thread-1", 1) Thread2=mythread (2, "Thread-2", 2) #startnew Threadsthread1.st

1. Adding partitionsRANG add partition alter TABLE m_tbstatus_rang2 DROP PARTITION Pdbmax; ALTER TABLE m_tbstatus_rang2 ADD PARTITION (PARTITION PDB4 VALUES less THAN (4)); ALTER TABLE m_tbstatus_rang2 ADD PARTITION (PARTITION pdbmax VALUES less THAN MAXVALUE ENGINE = INNODB); List partition table ALTER TABLE M_tbstatus_list ADD PARTITION (PARTITION PDB20 VALUES in () ENGINE = INNODB); Hash\key (add 8 partitions) ALTER TABLE m_tbstatus_rang4 add PARTITION partitions 8;2. Delete a partitionRang\l

On-line collection CentOS7 configuration static IP method, basically is said in the/etc/sysconfig/network-scripts/ifcfg-eth0 file to do the following configurationType=ethernethwaddr=xx: Xx:xx:xx:xx:xx#only:none, BOOTP, or Dhcpbootproto=Nonedefroute=Yespeerdns=yespeerroutes=Yesipv4_failure_fatal=no# disabling Ipv6ipv6init=noipv6_autoconf=Noipv6_defroute=Noipv6_peerdns=noipv6_peerroutes=Noipv6_failure_fatal=no# nic name=Eth0uuid=Xxxxxxxxyyyyyyyyzzzzzzzzzzzdevice=eth0# Boot auto-start onboot=yes#

*) path3, read-write mode open file+ (ID) FILEHANDLEFORUPDATINGATPath: (NSString *) path4. Read from the current position of the file to the end-(NSData *) readdatatoendoffile5. Read the contents of fixed bytes from the current location of the file-(NSData *) Readdataoflength: (nsuinteger) length6. Return all available data-(NSData *) availabledata7. Write files-(void) WriteData: (NSData *) data8. Locate the tail of the fileLong long) Seektoendoffile9. Navigate to the location specified in the

I was doing, from the message you can find out what I've done with trunks and branch, and in the lower left corner of the Log Messages window, you can see the additional merge by checking "Include merged revisions". Information:The gray is the log associated with the merge, a total of two times the merge, the first time in R6, in R6, branch merge the trunk in the R4 when the changes submitted; the second is in R7, where the trunk incorporates all the changes R7 from branch to R2.Http://blog.sin

-adorganizationalunit-protectedfromaccidentaldeletion $false$ou | Remove-adorganizationalunit-confirm: $false650) this.width=650; "Width=" 981 "height=" 588 "title=" QQ picture 20150211220510.png "style=" width:721px;height:490px; "alt= "Wkiom1tbacdtyvyqaajwqr408v0995.jpg" src= "Http://s3.51cto.com/wyfs02/M00/59/AE/wKiom1TbaCDTyVyQAAJwQR408V0995.jpg"/>The OU and the child nodes were found to be deleted normally.Requirement 2: Check out the locked AD account and enable it.Search-adaccount-lockedo

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

name of the same name of the ad account,Get-aduser-filter *-searchbase "ou=contoso,dc=contoso,dc=com"|? {Test-path ("C:\photo\" +$_. samaccountname+ ". png")} '|%{set-userphoto $_. Samaccountname-picturedata ([System.io.file]::readallbytes ("C:\photo\" +$_. samaccountname+ ". png"))-confirm: $false}650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/75/F7/wKioL1ZGCFLCXBnmAAFNXPuM3kg080.png "title=" 2.png " alt= "Wkiol1zgcflcxbnmaafnxpum3kg080.png"/>The results of the import are as follow

. When the file is connected, the results are all output. It is not recommended to use this command if the content is too long. Options -N: Displays the line number.-E: Displays the line terminator $.-T: Displays tabs.-V: Displays additional nonprinting characters. Parameters File name to be merged.Tac Role Displays the file information in reverse, starting at the last line. Shortcut keys Shift+pgup/pgdown: Command line display page.CTRL +

={$mbxstatistics. ItemCount}}, '@{n= "Mailbox Size (MB)"; e={$mbxstatistics. TotalItemSize.value.tomb ()}}, '@{n= "Number of archive mailboxes"; e={$mbxsarctatistics. ItemCount}}, '@{n= "Archive mailbox Size (MB)"; e={$mbxsarctatistics. TotalItemSize.value.tomb ()}}, '@{n= "Mounted server name"; e={$mbxstatistics. ServerName}}, '@{n= "Last logon Time"; e={$mbxstatistics. Lastlogontime}}, '@{n= "database name"; e={$mbxstatistics. DatabaseName}}$userinfo + = $mbxtotal}$userinfo$userinfo | Export-c

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 start verifying it.Command#ssh [email protected

log server is set up:#useradd AA (on client)#passwd AA#vi/var/log/secure (View the host name of the event that occurredthird, the log rotation: The old log file moved and renamed, while creating a new blank log file, when the old log file beyond the scope of the save, will be deleted, renamed to rely on /etc/logrotate.conf dateext Parameters. add your own logs to the log rotation:Party One: write the rotation policy directly in the /etc/logrotate.conf file;Square Two: Create a rotation file i