crestron troubleshooting

Hardware issues Phenomenon: The system can start, there is video, failure prompts, at this time can be based on the tips to determine the fault site. The following are some common troubleshooting tips:First, the hint "CMOS Battery State Low"Reason: CMOS parameters are lost, sometimes can be started, using a period of time after the crash, this phenomenon is mainly due to the lack of CMOS power supply. For different CMOS power supply methods, take dif

Troubleshooting tools for ISA Server 10.1.1.4 Netstat Netstat is a command line tool. It can be used to troubleshoot security and connectivity issues. By entering Netstat on the command line, you can check the port configuration of the ISA Server computer and view connections to and from the computer. Note using ports in TCP and UDP to name logical connection terminals. The port number from 0 to 65535 is divided into the following 3 types: Well know

to invalidate the remaining devices. Only such a clumsy method can be used at the moment. Note: When using a variety of video intake devices, the computer will use the default device.However, it is not easy to set the default print device as easily as a printer device in Win 9x, and there is no simpler way to determine the default device. Therefore, the best approach is to select one through a series of steps. 10, screen or black screen Phenomenon: In the use process, after the pop-up image box

Introduction Troubleshooting WebSphere Application Services has always been one of the most concerned issues for customers. IBM provides a wide range of support for fast problem diagnosis of WebSphere application servers, including helping customers with fast data collection, directing customers to analysis and providing a large number of reference manuals and technical documents, which greatly reduce the workload of problem diagnosis. However, the s

When the same servers carry out different service applications, they may encounter a very different breakdown, even some of the fault seems to be bizarre! But these strange server failures, often make our ordinary network management personnel to cope with the problem, and ultimately affect the efficient operation of the server. In view of this, we should be more from the actual combat point of view, more master some of the methods and ideas to eliminate the special server, in order to ensure tha

. Especially the network card, if contact is bad, also can appear this fault. Because the machine did not appear this fault, may be a bad contact card, the machine will open, reinstall the network card, the results of the failure to lift. Fault comments: As long as we fully understand the role of Winlogon.exe, then solve the problem can be easily done. For us to engage in Internet cafes maintenance, learning things, we must be meticulous, do not do a smattering. At the same time, this problem,

MapReduce Learning Guide and Troubleshooting Summary 1. The origin of thought: We are learning mapreduce, first of all we know from the mind. In fact, any idea, abstract, good ideas, all come from our lives, and we are more likely to understand what is going on around us. So the following article is from the perspective of life, to let us understand, what is mapreduce.Introduction to Hadoop (1): What is Map/reduce2. Design IdeasWe know the mapreduce f

Troubleshooting Guide In this guide, we provide tips and tricks to overcome the typical problems encountered when setting up or running a server. Unable to reach server Flash cross-domain Policy issue server startup problem Delete mail ghost user » Unable to reach server A common run-time problem is that you cannot connect to a test or production server after the first installation. Once your sfs2x instance is running, you should make sure that no f

[Email protected] ~]# mysql-s/var/lib/mysql/mysql.sockerror 1040 (HY000): Too Many connectionsUse the GDB command to make changes to MySQL's max_connections:[[emailprotected]~]#gdb-p$ (cat/var/ Run/mysqld/mysqld.pid) -ex "setmax_connections=500" -batch[newlwp25797][new lwp25794][newlwp25793][newlwp25792][newlwp25791][newlwp 25790][NewLWP25789][NewLWP25788][NewLWP25787][NewLWP 25786][newlwp25785][newlwp25783][newlwp25782][newlwp25781][new lwp25780][newlwp25779][newlwp25778][newlwp25777][newlwp 25

Troubleshooting python connection MySQL error problemRecently ran Python script encountered a problem when the SQL statement in Chinese, executed the Python script following error:Traceback (most recent):File "kpi_daily_report.py", line 356, in result = Cal (line, sys.argv[1], sys.argv[2])File "kpi_daily_report.py", line 324, in Calresult = run (SQL)File "kpi_daily_report.py", line +, in runRTN = Conn31.selectall (SQL)File "/data0/home/yangjing150/tes

Tags: mysql rpmThe first step: Download this package, the command is:wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpmStep Two: Install, command:RPM-IVH mysql-community-release-el7-5.noarch.rpmThe third step: check whether the installation is successful, the appearance of a two package can be:Ls-1/etc/yum.repos.d/mysql-community*650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M02/83/1E/wKiom1drW4Tyt7NPAAA2cRJfK_c331.jpg-wh_500x0-wm_3 -wmp_4-s_4080975284.jpg "title=" 0.jp

System: WIN8Version:python 2.7.10Reference: http://www.ithao123.cn/content-9297380.htmlProblems in the blog have been encountered, after reference still cannot solve, the least willing to environmental problems.Roughly by:1, after the configuration in the Pycharm django+mysql, start the project error, unable to find the MySQLdb module, so to D:\Python27\ScriptsThe Python installation directory runs the PIP install Mysql-python command installation.2, still error, can not find Config-win.h3, down

commands, have been located in Baidu ...Record the following:Get Computer Name: hostname Check that the port is open:1. Telnet IP Port 2. Netstat-a-N | grep 1521 After root login su Oracle cannot use Oracle tools such as Sqlplus because it does not have access to Oracle's environment variables ($ORACLE _home, etc.).Process one:Su Oracle Post CD ~More. Profile view Oracle's environment variables,Go back to root and add the Oracle configuration in Oracle's. Profile to/etc/profile, then: source/et

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to troubleshootSource:Pool.getconnection (function (err, connection) {if (err) throw err;Connection.query (SQL, function (err, rows, fields) {if (err) {return Cosole.error (ERR);}CB (rows);});Release this connectionConnection.release ();Can you see what the problem is? Well, I guess, can't see ~ hahaIn fact, a little bit of code to understand the children's shoes should be able to see that the release of the connection statement place a bit wrong.After modification:Pool.getconnection (function

]% |+------------------------------------------------ ----------------------------------------------------------------+|grantusageon*.* TO ' sync ' @ ' 192.168.15.% ' IDENTIFIEDBYPASSWORD ' * B805e12e6933ff815f344d9f4b0d7236b223dc86 ' | | GRANTSELECT,INSERT,UPDATE,DELETE,CREATE,DROPON ' Xiyoumaintxzyandroid ' .*to ' sync ' @ ' 192.168.15.% ' | | GRANTSELECT,INSERT,UPDATE,DELETE,CREATE,DROPON ' Xiyouzyadlog ' .*to ' sync ' @ ' 192.168.15.% ' | | grantselect,insert,update,delete,create,dropon

problem Description : When creating a view under the Scott user, error: Insufficient permissions. (Other users and so on)Workaround : Log in to the DBA user [SQL] view plain copy print? Sqlplus/As sysdba Give Scott users permission to create View [SQL] view plain copy print? Grant Create view to Scott Log in to Oracle[SQL] view plain copy print with a Scott user? Conn Scott/tiger CREATE VIEW successful [SQL] view p

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When the MPLS network is troubleshooting, it should follow from the control plane and the network plane to troubleshoot. Let's take a look at what two planes do. Above is the control plane, below is the network plane. From the forwarding plane is the network plane, there will only be two kinds of messages, inbound for the IP packet, and inbound for the MPLS tag packet, then the corresponding two message forwarding will also be different, IP packe