enable automatic execution of the following commands on the LServer to set NAT: www.2cto.com iptables-t nat-a postrouting-o eth0-s 10.10.10.0/24-d 10.10.20.0/24-j MASQUERADE: iptables-t nat-a postrouting-o eth0-s 10.10.20.0/24-d 10.10.10.0/24-j MASQUERADE other operations can be found on google search, attached to the online troubleshooting manual 3.1 IPsec VPN failure exclude basic ideas when an IPsec VPN problem occurs, the most direct manifestatio
Was6.1 Silent installation and troubleshooting on linux (redhat5) I. environment conditions: remote RHL5Linux server local Win7 system network smooth II. Software conditions: WAS6.1 program installation package Xmanger remote SSH login tool (you can use other ssh login tools) first turn off the firewall... was6.1 Silent installation and troubleshooting on linux (redhat5)
I. environment conditions:
Remote R
AIX0506-324 troubleshooting # mount/wolfbackReplayinglogfor/dev/wolfbacklv. mount: 0506-324Cannotmount/dev/wolfbacklvon/wolfback: Themediaisnotformattedorthe AIX 0506-324 troubleshooting # mount/wolfbackReplaying log for/dev/wolfbacklv. mount: 0506-324 Cannot mount/dev/wolfbacklv on/wolfback: The media is not formatted or the format is not correct1_506-342 The superblock on/dev/wolfbacklv is dirty. run a fu
This article mainly introduces how to locate MySQL performance bottlenecks, and analyzes the steps and related skills of MySQL performance bottleneck troubleshooting based on the instance form, for more information about how to troubleshoot MySQL performance bottlenecks, see the following examples. We will share this with you for your reference. The details are as follows:
Guide
Starting from a scene, we will analyze how to locate performance bottlen
Preface O M personnel often encounter various types of system faults. how to lock the root cause of the problem based on the fault characteristics requires not only skills, but also ideas and internal understanding of the system in case of faults, this article lists some common system faults and troubleshooting methods. Before that, you must first have a complete understanding of the system startup process so that you can determine which part of the
, so what error is reported? All you need to do is to continue deleting. See the following example:
1. Set the column to unused
Alter table test1 set unused column Tablespace_name;
2. Delete the unused Column
Alter table test1 drop unused column checkpoint 5;
Before the execution is completed, use shutdown abort to forcibly close the database. (If shutdown immediate is used, the database will not be closed until the execution is completed)
3. Restart the database and view the test1 table. An err
Oracle has started, connect to sqlplus, query, the following error ORA-01034: sharedmemoryrealmdoes
Oracle has started, connect to sqlplus, query, the following error ORA-01034: ORACLE not availableORA-27101: shared memory realm does
Oracle has been started. After connecting to sqlplus, perform the query. the following error occurs: A ORA-01034: ORACLE not availableORA-27101: shared memory realm does not existLinux-x86_64 Error: 2: No such file or directorySQL> shutdown immediate;A ORA-01
In the development of audio and video, or the use of development tools in the process, especially in the case of a software unfamiliar, encountered problems usually do not know, here to the domestic more advanced audio and video development platform Anychat Platform As a sentence, give a more general fault analysis, troubleshooting and solutions:First, the server partafter the server program starts, a log file is generated in the directory where the s
no problem, but this line plug up, not, a switch loop problem is suspected9, then I use the Finder, in this cable plug up, in the company asked the next, to see which place on the net, and then I to which switch, will all unplug the network cable, and then go to the computer room, will be plugged into the network, found to be normal communication, and then I went to a faulty switch next to the will be inserted into the notebook,ping Baidu can still normal, and then I will wire a root of the pl
Original: Https://codesmith.atlassian.net/wiki/display/Generator/Configuring+and+troubleshooting+a+Schema+ProviderThe sections below would help guide, through using and configuring various Schema Providers that ship with Codesmith Gen Erator.Creating A new connection stringplease read the Adding a new database Connection section before continuing.The Data Source window would check to see if a schema provider supports showing Connection String designer
are correct, we have modified the code to invoke the Sendtodb function without passing a null pointer in, as follows:T_retinfofromreqmsg tretinfofromreqmsg = {0};......Sendtodb (..., tretinfofromreqmsg, sizeof (T_RETINFOFROMREQMSG));After testing the modified program, there is no problem.Iv. SummaryThrough this troubleshooting, we have summed up the following several experience:(1) for the use of pointers, you must be careful. For important pointers,
problems. You can solve these problems by using the Global Catalog server again. To solve these problems, you can specify a Global Catalog server for each Exchange Server.
Note:
We recommend that you manually configure the Global Catalog server only when troubleshooting. After you manually configure the Global Catalog server, if a server is unavailable, Exchange cannot detect it.For more information, see How to specify a Global Catalog server.For mor
Zfs:failed with error 6 troubleshooting under FreeBSD
Environment:After re-compiling the kernel, reboot after installation, display: Zfs:failed with error 6, then the mountroot> hint.
This is a rare ZFS error code, typically 2 or 19 majority.
Tracking:Look at the last line and still display a string of GUID numbers, so the suspicion is still on the GPT.
After adding two lines to the loader.conf, it still doesn't work:
kern.geom.label.gptid.enable=
Note: PHP has several error hints and troubleshooting methods, PHP Error hints
What kinds of error tips are there in PHP?
1.notice: note
2.waring: Warning
3.error: Error
What kinds of error-checking methods are available in PHP?
1, grammar check--php configuration file, the error display options are open or Code start section, add error_reporting (E_all)2, logic check-set breakpoints, write the log error_logs ($message) before the breakpoint;
Yesterday, a VMware view troubleshooting error was reported, as the view client could not connect to the virtual desktop. The view version is 5.3, and the view Agent version is 5.3. Step 1: log on to the management interface of the view connection server and find the corresponding virtual desktop. The status of the virtual desktop is incorrect. Click here to view details. The following error message is displayed: view composer agent initialization s
About the connection problems and troubleshooting methods encountered in daily use of Azure MySQL, azuremysql
Due to firewall problems, TCP keep alive problems, and MySQL parameter problems, these three problems are common in use. So today I will share my troubleshooting methods.
Let's talk about firewall problems today.
Most people try to connect after creating a MySQL database on Azure instance for the
Remote SSH connection service and basic troubleshooting
Why remote connection to Linux ??
In actual scenarios, the virtual machine interface or the local windows of the physical server are rarely accessible, because after the server is installed with the system, it must be hosted in the IDC, if you have purchased a VM instance and cannot touch the local monitor of the server, you can only manage the Linux system remotely. Therefore, after installing
Troubleshooting steps for PHP not resolved:1./usr/local/apache2/bin/apachectl-m See if there is any load libphp5.so2. See if there are any in the configuration fileAddType application/x-httpd-php. php3. See if you have added indexDirectoryIndex index.html index.htm index.php4. Don't forget to restart Apache5. Another problem that cannot be overlooked is to check if your selinux is openCommand: Getenforce If the result is enforcing, that means it's ope
'), which represents the conversion of GB2312 encoded string str1 to UnicodeStr2.encode (' gb2312 '), which represents the conversion of a Unicode-encoded string str2 to gb2312 encoding.Transcoding must first understand, the string str is what encoding, and then decode into Unicode, and then encode into other encodings, in UTF8 file, the string is UTF8 encoding, if it is in GBK file, it is encoded as GBK. In this case, to encode the conversion, you need to first convert it to Unicode encoding u
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.