computer shuts down by

Label:A media failure has occurred. This have resulted in all the MembeRs of the next hop log group being rendered inaccessible to the log WRiter process (LGWR) at a log switch. How does this failure affect thE Operational database?A. The database re-created the missing redo log files automatically.B.The database continues to function normally with the existing filesC. The database allows only queries, no other statements is allowed.D.the database returns and error and the database instance

thread "main" Java.io.IOException:Stream closedAt Sun.nio.cs.StreamEncoder.ensureOpen (streamencoder.java:26)At Sun.nio.cs.StreamEncoder.write (streamencoder.java:99)At Java.io.OutputStreamWriter.write (outputstreamwriter.java:190)At Java.io.BufferedWriter.flushBuffer (bufferedwriter.java:111)At Java.io.BufferedWriter.close (bufferedwriter.java:246)At Com.my.test.QQ.main (qq.java:22)Here's an example:public static void Main (string[] args) throws Exception { FileOutputStream fos = new Fi

Execute the following command first: Lsof-i: Port number There will be a result similar to the following: COMMAND PID USER FD TYPE DEVICE size/off NODE namewebproces 42624 davidzhang 5u IPv4 0x90715 2bbf7b2a875 0t0 TCP Localhost:64438->localhost:radan-http (established) webproces 42624 Davidzhang 10u IPv4 0x9 07152bbf7b64a05 0t0 TCP Localhost:64439->localhost:radan-http (established) Then execute: Kill-9 42624 The end of the process is done. This entry is posted in Mac OS X and tagged mac port

1) effective after rebootOpen: Chkconfig iptables onOFF: Chkconfig iptables off2) immediate effect, failure after rebootOpen: Service iptables startClose: Service iptables stopIt should be stated that for other services under Linux, the above command can be used to perform the open and close operations.When the firewall is turned on, make the following settings, open the relevant port,Modify the/etc/sysconfig/iptables file to add the following:-A rh-firewall-1-input-m state--state new-m tcp-p TC

1) effective after rebootOpen: Chkconfig iptables onOFF: Chkconfig iptables off2) immediate effect, failure after rebootOpen: Service iptables startClose: Service iptables stopIt should be stated that for other services under Linux, the above command can be used to perform the open and close operations.When the firewall is turned on, make the following settings, open the relevant port,Modify the/etc/sysconfig/iptables file to add the following:-A rh-firewall-1-input-m state--state new-m tcp-p TC

Modify the IP address and turn off boot Firewall 1, ifconfig view ip2, if there is no network card to see if Ifcfg-eth0 file exists cd/etc/sysconfig/network-scripts/ls-s view if there is ViewDevice=eth0 HWADDR=00:0C:29:0f:b8:70 These two options with vi/etc/udev/rules.d/70- persistent-net.rules is the same as eth0 if not, use the eth1 NIC vi/etc/udev/rules.d/70- Persistent-net.rules View MAC addresses in eth0 and eth1 eth1 Nic's MAC address 00:0c:29:50:bd:17 then modify vi/etc/syscon

how XP system shuts down ZhuDongFangYu.exe process 1, even in the task manager to shut down the process, but when the boot will be prompted; 2, first click on the Desktop Start menu; 3, click on the Desktop Start menu, pop-up a list of Windows; 4, after the pop-up window list, find the "Control Panel" option; 5, find the Control Panel, click to open it; 6, click Open, Access to the Cont

/wwwroot/sinozzz456V. Directory deletionLinux Delete directory is very simple, many people are still accustomed to use rmdir, but once the directory is not empty, it fell into deep distress, now use the RM-RF command.Direct RM is available, but add two parameters-rfThat is: RM-RF directory name-R is recursive down, no matter how many levels of directory, delete-F is directly forcibly deleted, without any hint of meaning1. Delete File Usage instances:Rm-f/home/wwwroot/sinozzz456/index.htmlThis fi

1) effective after rebootOpen: Chkconfig iptables onoff: chkconfig iptables off2) Immediate effect, failure after rebootOpen: Service iptables startClose: Service iptables stopIt should be stated that for other services under Linux, the above command can be used to perform the open and close operations. when the firewall is turned on, make the following settings, open the relevant port,Modify the/etc/sysconfig/iptables file to add the following:-A rh-firewall-1-input-m State--state new-m tcp-p T

1 Ignore_user_abort();//turn off the browser and the PHP script will continue to execute.2 Set_time_limit(0);//set_time_limit (0) allows the program to be implemented without restrictions3 $interval=6*0.1;//every 0.6 seconds4 $i=1;5 include' Db.php ';6 $db=Newdb ();7 die;8 Do{9 $run=include' Config.php ';Ten #Judging value One if(!$run) die(' Process abort '); A #SQL - - $sql= "INSERT into one values (null,".Date(' H:i:s '). "; the $db->uidrst ($sql); - Sleep($interval);//let the pr

Case 2: Putting the database into restricted mode1. Open the database directly to restricted modeSql> startup RestrictORACLE instance started.Total System Global area 608174080 bytesFixed Size 1268920 bytesVariable Size 230687560 bytesDatabase buffers 373293056 bytesRedo buffers 2924544 bytesDatabase mounted.Database opened.Restricted mode: Only the administrator user and the user with restricted session permission will be allowed access to the database, either remotely or locally, and the state

the disk insideNot necessarily? Because the system reads and writes are asynchronous, the submitted data may still be in the dirty block list, when there are enough dirty blocksThe DBWN process will not write a batch of dirty block information into the disk.(2). No committed transaction is not written to diskNot necessarily? Because of the limited space of the dirty list, if a large number of changes are made to the data at one time, a lot of dirty blocks will be out of the dirty blockThe lengt

Because of a problem with the listener configurationBefore is because I added the address 3, the host name wrote test, so that the listener always start failure, and then delete the address 3, after saving the configuration, E:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN\ Listener.ora the contents of this file will be changed automatically. This will start up normally.Automatically shuts down immediately after the Oracle 11g monitoring sta

scenarios:The database or app does not work correctly and no other type of shutdown is in progress.(1) You need to close the database immediately (for example, the power will be turned off after one minute).(2) A problem was encountered while launching the instance.Conditions:(1) New connections are not allowed and new transactions are not allowed.(2) Client SQL statements being processed by Oracle are immediately interrupted.(3) Uncommitted transactions are not rolled back.(4) Oracle does not

open and switch operation, and finally return the resultsThe key code is:Ssh= "Ssh-c arcfour128-o [email protected]-O stricthostkeychecking=no-o gssapiauthentication=no-p 22"$ssh $ "ps-ef |grep mysql |grep \ ' cat/data/${3}/mysql/port\ '" >/dev/null if [$?-eq 0];then echo "Main Library Currently in the running state " else $ssh $ sh/data0/${3}/mysql/start-mysql.sh >/dev/null" if [$?-eq 0];then echo "successfully opened the main library" else

We have a lot of people around the use of XP system computer, we often do not know how to use the computer in the use of many applications, rather than the debugger in our computer is not a special book order, this software is actually used to maintain and correct the error of a very important function, if our notebook in the Run program, Pop-up the ToolTip windo

The specific methods are as follows: 1, use Windows+e shortcut key, pull out Explorer → open Control Panel; 2, control Panel → system and safety; 3, system and security → management tools; 4, management tools → services; 5, the usual service is in English name ranking, this adaptive brightness service line in front. If the computer does not monitor the ambient light sensor (hardware), and the servic

First we found our Cheetah security browser on the desktop, right button cheetah security Browser, select Open file location. Then we went into the Cheetah browser's installation directory, which is the Liebao folder. In the Liebao folder you can see a number of folders, which is the Cheetah browser version number, which contains a variety of leopard browser files. Open Cheetah Browser version number folder, find Knbcenter.exe This application, it is Cheeta

Computers are connected to the network every day. Nowadays, there are countless Trojan viruses on the network, and viruses will inevitably happen one day. So what should we do after the virus? The correct solution can avoid greater losses and minimize the damage caused by viruses. Let's take a look. I. MediumVirusSymptom When your computer is infected with viruses, the virus will not tell you that the virus has been poisoned. We can see from some abno

How to disable USB flash drives on the company's computer, prohibit USB flash drives from copying computer files on the company's computer, and prohibit USB flash drives on the computerAt present, USB flash drives are frequently used, and the read/write speed and storage space are getting bigger and bigger. Although it is convenient to work, it also makes it extr