Disable the unresponsive process on Ubuntu!
WY @ wy-Aspire-4560 :~ $ XkillSelect the window whose client you wish to kill with button 1 ....Enter the xkill command! The mouse will become a plug, then click not to respond to the program! The program is closed! I think it is best to use this!
Ubuntu sometimes becomes unavailable! Use the combination key to go to the command line interface: CTRL + ALT + F3. In this case, try the command: sudo pwoerof
: Default installation Heartbeat no configuration file, but sample file #cd/usr/share/doc/heartbeat-2.1.4/ #cp Authkeysha.cf/etc/ha.d/Note: Here we only need two files,ha.cf and NBSP;AUTHKEYS#CDNBSP;/ETC/HA.D/#NBSP;DD if=/dev/randombs=512count=1|opensslmd5 #生成密钥随机数 a4d20b0dd3d5e35e0f87ce4266d1dd64 #chmod 600authkeys#vim/etc/ha.d/authkeys Auth11md5a4d20b0dd3d5e35e0f87ce4266d1dd64#chmod600authkeys #修改密钥文件的权限为600 #vimha.cf mainly modifies two places (others can default): (1). Change the way hear
career change for it beginners about Oracle Database groomingThe first time you install a database is to follow the steps of the operation step by step to install, and did not have any doubts about the operation steps or why do you want to do so?December 8, 2017 read the installation instructions again when there is a new understanding, so use the micro-blog to record, convenient for their own later to view:1. When accessing the database with a browser, select http://localhost:
Remote]type = Imapremotehost = $dav _mail_serverremoteport = 1143remo Teuser = $your _account, no @remotepass = $your _pwdssl = Falsesslcacertfile =/etc/ssl/certs/ Ca-certificates.crtmaxconnections = 1realdelete = noAttention:1. The company mailbox in the custom directory preferably no Chinese name, or bad luck will be error2. To create a local directory ~/mail3. Maxcoinnections can only be set to 1, more than 1 I have encountered an error, can only slowly downloadOK, and then in the ~ director
Recently, an Acer8481 device was installed with Ubuntu10.10 and then turned on. The brightness was too bright and the system's brightness adjustment function did not seem to work. So google found this article: Ubuntu10.10brightnessprobleminAcerAspire4741 according to its practice: sudovi/etc/default/grub (used to use vi)
Recently, an Acer 8481 installed Ubuntu 10.10 and then started on the machine. The brightness was too bright and the system's brightness adjustment function did not seem to wor
. The display is surrounded by a black border and has an ASUS logo just below the screen.
The touchpad is located almost directly below the G and H keys. The position is slightly to the left because the keyboard is joined by the full number button. Of course, there's plenty of room to put your hands on when you type.
Asus Vivobook S500ca's fuselage is 15.1 x 10.2 x 0.8 inches, while Acer Aspire v5-571p-6499 has a fuselage siz
Information Enterprise Manager Database Control URL after oracle Installation-(orcl): http: // PC-20120503DVQT: 1158/em Database configuration file has been installed to F: \ oracle2 \ product \ 10.2.0, other selected installation components have also been installed to F: \ oracle2 \ product \ 10.2.0 \ db_2. ISQL * Plus URL: http: // PC-20120503DVQT: 5560/isqlplus iSQL * Plus dba url: http: // PC-20120503DVQT: 556
, each partition leaves a small amount of space for the system administrator to use. Even if the common user space is full, the administrator can still log on and leave the workspace required to solve the problem. The Use % column in the list indicates the percentage of space used by normal users. even if the number reaches 100%, the partition still has space for the system administrator. Finally, the Mounted on column indicates the mount point of the file system.
Instance 2: displays disk usage
Most of the time, after installing Oracle10g, you can log on to the Windows Authentication Window popped up by kcsqlbi: 5560isqlplusdba. Even if you enter any account, you cannot log on.
Most of the time, after installing Oracle10g, log on to the Windows Authentication Window popped up by http: // kcsqlbi: 5560/isqlplus/dba, even if any account is entered, you cannot log on.
The solution is as follows:
1-From the command prompt, stop isqlplus:C: \>
After the Oracle 10g Database is installed, the web page is installed by default to manage the access path of Oracle. Two isqlplus websites are available.
After the Oracle 10g Database is installed, the web page is installed by default to manage the access path of Oracle, including two isqlplus websites. This is because common users and dba users log on to
After the Oracle 10g Database is installed, the web page is installed by default to manage the Oracle access path, including:
Em: 1158/e
Make sure need!Let's see the map below:Let's see the map again.We assume the the socket.recv just like a client ... (Actually,it ' s server/client)So the code can is like the below ...Good! Let ' s create one, Because it's work like a broker, so we name it as "broker.py"#!/usr/bin/pythonimport Zmqcontext = zmq. Context () frontend = Zmq. Context () frontend = Context.socket (zmq. ROUTER) backend = Context.socket (zmq. DEALER) Frontend.bind ("tcp://*:5559") backend.bind ("tcp://*:
-p
Download oracle 10.2.0.1.0
Switch to the oracle user,
Su-oracleWget ftp: // sdgtxuyong: [email protected]/tools/database/oracle10/linux_32/10201_database_linux32.zipUnzip 10201_database_linux32.zip
Reboot, restart. -----
Go to the UI and use root to enable xhost +
# Xhost +
Switch to the oracle user and start installing oracle
Su-oracleCd database./RunInstaller
In Database Configuration Assistant, Password management... management
Modify the user lock and unlock scott.
Use Pietty and root
[Oracle @ ocp ~] Chmod + x JAZN. sh(Grant a documentExecutable permissions)
[Oracle @ ocp ~] ./JAZN. sh
(3) AddIsqlplusLogged OnDbaUser:ShThe following prompt will appear after the script)
JAZN> Adduser "iSQL * Plus DBA"Websys Oracle(Note:WebsysIs the user name set by yourself,OraclePassword)
(4)WebsysUser authorizationWebDbaAdministrator role:
JAZN>Grantrole webDBa "iSQL * Plus DBA"Websys
JAZN>Exit
After the Oracle 10g Database is installed, the web page is installed by default to manage the Oracle access path, including:
Em: http: // localhost: 1158/em
Isql * plus: http: // localhost: 5560/isqlplus and http: // localhost: 5560/isqlplus/dba
Two isqlplus websites are available, because common users and dba users log in.
To log on to isqlplus as a DBA, you must configure the Solaris User first. You can
for details:Information: GCC:/usr/lib/libstdc ++. so.5: the file or directory does not exist.
// Check whether libstdc ++ in/usr/lib existsOracle @ dhn-LAPTOP :~ $ Ls/usr/lib | grep C ++Libstdc ++. so.6Libstdc ++. so.6.0.10There are two, and the main difference is thatLibstdc ++. so.6.0.10,Libstdc ++. so.6 is justLibstdc ++. so.6.0.10.Create a link file.Root @ dhn-LAPTOP :~ # Ln-S/usr/lib/libstdc ++. so.6/usr/lib/libstdc ++. so.5
Then try again. Everything is OK.
The following figure shows
complete, the following configuration script appears:
Start a new terminal, Su to root.
Execute the two required scripts in sequence.
/Opt/Oracle/orainventory/orainstroot. Sh/Opt/Oracle/102/root. Sh
The execution screen is shown in figure.After the installation is complete, go back to the installation window and press OK to complete all Oracle installation. After the installation is complete, the following screen appears.
In this case, you can use the preceding URL as a test.
1. Account and password settings
To use the same password as sys, system, Dbsnmp, and sysman, select "all accounts use the same password ".
Bi user, password ch51 *****, Scott user. All the above are the same password CH5 *******
Select "use different passwords" and set user passwords respectively:Sys user password is OracleThe password of the System user is Manager.The password of Dbsnmp is Dbsnmp.The password of the sysman user is sysman.Scott user, specifying the user password as Tiger
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