3com 4400

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(EXT) Analysis of the problem of the Tomcat process exiting unexpectedly

is equivalent to:eval ‘"/pathofjdk/bin/java"‘ ‘params‘ org.apache.catalina.startup.Bootstrap start ‘‘is simply to put Java in the background to execute. When the catalina.sh itself process exits, the Java process's ppid becomes 1It took a lot of time to guess what might be the OS-level cause, and it didn't matter later. Spring Festival back to let less Ming and Jian Quan also analyze this problem, because they have C background, to the bottom of the system to know more, with a large half day ti

Sony VAIO Pro 13 evaluation

2013 Sony Sony's existing product line can be divided into tap (Aio all-in-one machine), Duo (deformable flat/Super), Pro (flagship model), Fit (home entertainment models) four categories. The VAIO Pro combines the benefits of VAIO Z with VAIO x, VAIO Pro uses the hexagonal line design of the VAIO Z, the carbon-fibre fuselage and the aluminum alloy back cover panel, and the overall size and thickness of the VAIO X is the ultimate slim, thin, light and hard to imagine. The new VAIO Pro flagship m

Java network programming from getting started to mastering (1): Overview of Internet addresses

. The IP address and subnet mask given above are only standard forms. Users can also use additional IP and subnet masks, such as the IP address set to 10.0.0.1, and the subnet mask set to 255.255.255.128, depending on their needs. However, in order to facilitate the classification and management, in the LAN set IP address, it is recommended that the standard classification to set. The IPV6 address is composed of 16 bytes and is divided into 8 segments. Each paragraph consists of 16 bytes and i

Analysis of the problem of the Tomcat process exiting unexpectedly

that executes in the background:$ cat a.sh#!/bin/shsleep 4400 echo "shell exit"After running the a.sh script, the PID of the sleep 4400 process is different from the Pgid, Pgid is the ID of its parent process, which is the a.sh process that has exited$ ps -opid,pgid,ppid,comm -p 63376 PID PGID PPID COMM63376 63375 1 sleepThen we kill -2 can't kill sleep 4400

Learn more about the regular expression of PHP technology in Dynamic Web page making

error match. Once a regular expression is released into the actual code, you may not notice both. Consider the example of the phone number above, which will match "800-555-4000 =-5355". Bad matches are hard to find, so it's important to plan ahead and do the testing. or using the phone number example, if you confirm a phone number in a Web form, you may want to settle for a 10-digit number in any format. However, if you want to separate phone numbers from a large amount of text, you may need to

A thorough introduction to convenient installation of Gigabit Ethernet Switches

TFTP server, or download the previous configuration files of the Gigabit Ethernet switch from the TFTP server. If errors occur in the configuration, these two items are useful to engineers. In the 3Com4900 Gigabit Ethernet switch, every time you change the settings, 3Com 4900 automatically saves the settings, which is faster than other manufacturers' dedicated settings to ROM or RAM. These Gigabit Ethernet switches that support network management can

Quick installation of gigabit backbone switches

From the data, we can see that the current market demand for gigabit backbone switches is not high. Here we mainly analyze the functions and practical applications of mainstream Gigabit backbone switches. In the six Ethernet switches we tested, the EDIMAXES-5800R and LeaPComm6004 switches are not manageable switches, The Accton es00008 and the Thinker3800 switch of the Creative Company are all network tube switches, 3Com4900 is a layer-3 and layer-4 switch, and digital China D-Link DGS3308TG is

Router Access Options

management, performance management, fault tolerance management, and traffic control.In the past, most enterprises used to build their own internal computer networks to improve work efficiency and work with different departments. However, with the rapid development of Internet, more and more people are paying attention to the wide area network connected to or built by enterprises. As a result, the usage frequency of the router is rapidly increased.There are many vro manufacturers. This market us

How to enable remote router Login

This article describes in detail how to set the vro remote Logon Settings from the aspects of default configuration, user name and password, and environment introduction. I believe this article will help you. By default, the telnet function is enabled on the Huawei 3COM device. That is to say, we can connect to the control interface of the vro through the CONSOLE port of the Management CONSOLE without any configuration, but also use telnet for managem

Experience in selecting vrouters for Small and Medium-sized Enterprises

, compression, and firewall; (3) network management. vrouters provide functions including configuration management, performance management, fault tolerance management, and traffic control. In the past, most enterprises used to build their own internal computer networks to improve work efficiency and work with different departments. However, with the rapid development of Internet, more and more people are paying attention to the wide area network connected to or built by enterprises. As a result,

Test your PHP proficiency _ PHP Tutorial-php Tutorial

destroy a variable?A. eraseB. fiC. removeD. unset39. Which mode of the fopen () function opens a file for writing and places the file pointer at the end of the file?A. wB.C. r +D. w +40. Which HTTP variable contains the browser type, and browser version, among other values?A. BROWSE_AGENTB. BROWSER_TYPEC. BROWSER_ENVD. HTTP_USER_AGENT41. If the current value of $ bsns is 4400, what is the new value as a result of this command: $ bsns-= 150;A.-150.B.

Sharedpool 2: freelists/sharedpoollrulist

statement is no greater than 4400bytes, the CHUNK will only be searched in the free list. This is controlled by implicit parameters: _ shared_pool_reserved_min_alloc minimum allocation size in bytes for reserved area. The default value is 4400. ################### View the free lists/bucket/reserved free lists structure in the DUMP Shared Pool: -- create a session Alter session set events 'immediate trace name heapdump level 2 '; Select value from v

Setting and function of shared_pool_reserved_size parameters-zhuanzai

, the memory allocates a larger amount of space from the reserved list (RESERVED list).In different versions, the default value for this parameter is always 4400, and the following output is from the Oracle 11GR1 version: [Email protected]> @GetHidParEnter value for Par:shared_pool_reserved_min_allocOld 4:and x.ksppinm like '%par% 'New 4:and x.ksppinm like '%shared_pool_reserved_min_alloc% 'NAME VALUE Describ----------------------------------

A self-improvement accomplishment.

Da Qin Asphalt: 2245-2250 short stop 2250 above target 2235-2230 broken position see 2,210 more single on the upstream 2250 broken position empty single stop loss can be with multi-target 2260-2270-2280 strict stop lossThe hour line looks upstream blocked, has the callback demand, the key concern 4400. Operation Recommendation: 4390-4400 short Stop 4400 above tar

Use of DB2 OLAP Functions

between 500 preceding and 500 following) as range From ( -- Name department salary Values ('Zhang san', 'marketing Department ', 2000 ), ('Zhao hong', 'Technology Department ', 2400 ), ('Li si', 'marketing Department ', 3000 ), ('Li Bai ', 'Technology Department', 3200 ), ('Wang 5', 'marketing Department ', 4000 ), ('Wang Lan', 'Technology Department ', 5000) ) As employ (name, DEPT, salary ); The query result is as follows: Name Department Wage Department Minimum Wage Departme

[Php] Five successful Regular Expressions

"800-555-4000 =-5355 ". Incorrect matching is difficult to find, so it is important to plan and test in advance.For example, if you confirm a phone number in the Web form, you may only need to meet ten numbers in any format. However, if you want to separate phone numbers from a large number of texts, you may need to authenticate and exclude incorrect matching.Write down some cases when considering the data you want to match. Write down some code for the case to test your regular expression. For

Troubleshooting of Ora-04031

last_failure_size-------------------------------------------------------------------1048576 1 146 0 4132-- The size of the shared area required by the object for the last failed application for a shared area is 4132.Select name from V $ db_object_cache where sharable_mem = 4132;Name: dbms_lob -- 3. Analyze the usage of each Shared PoolSQL> select ksppinm, ksppstvl from x $ ksppi, x $ ksppcvWhere X $ ksppi. indx = x $ ksppcv. indx and ksppinm = '_ shared_pool_reserved_min_alloc ';Ksppinm ksppstv

About the problem of unexpected exit of Tomcat process _tomcat

to kill the sleep 1000 process. Now we put the sleep process into a script that executes backstage: $ cat a.sh #!/bin/sh sleep 4400 echo "Shell exit" After running the a.sh script, the PID of the sleep 4400 process is different from the Pgid, Pgid is the ID of its parent process, that is, the a.sh process that has exited $ ps-opid,pgid,ppid,comm-p 63376 PID pgid ppid comm 63376 63375

Implementation of WebSocket protocol based on node _node.js

(' URL '); var mime = require (' MIME '); var crypto = require (' crypto '); var port = 4400; var server = Http.createserver (); Server.listen (Port,function () {console.log (' server is running on localhost: ', port); Server. On (' Connection ', function (s) {Console.log (' on connection ', s); (' request ', onrequest). On (' Upgrade ', Onupgrade); }); var onrequest = function (req,res) {Console.log (Object.keys (req), req.url,req['

Five success habits of [PHP] Regular Expressions _ regular expressions

, it will produce an error match. Once a regular expression is released into the actual code, you may not notice both. Consider the example of the phone number above, which will match "800-555-4000 =-5355". Bad matches are hard to find, so it's important to plan ahead and do the testing. or using the phone number example, if you confirm a phone number in a Web form, you may want to settle for a 10-digit number in any format. However, if you want to separate phone numbers from a large amount of t

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