hp troubleshooting number

Laser printer is a good thing, printing speed, Office is also simple. But it can cause a lot of trouble in addition to its problems. After all, we are not experts, in the face of such a aroud things, as if the usual contact is not much, but also do not play, in addition to the problem is really bad whole. Therefore, when there is a problem, there is no alternative but to help. got good luck these days, met the expert guidance Maze, told the solution to the laser printer fault, here and everyon

Troubleshooting of HP superdome2 fault light Eliminate the yellow alarm. first log on to telnet/ssh to oa (the oa address is the same as the MP address) and then:Admin/Admin # non-default Admin password Step 1. Show hrStep 2. Show indictThe result shows the location of the alarm part. The location of the alarm part is as follows:0x0100ffffffff610x0100FF01FF00FF510x0100FF02FF00FF510x0100FF03FF00FF510x0100F

A HP ProBook G5, users do not remember what has been done in the BIOS, now want to go in to change the settings, but the power on either ESC, F1-F12 are useless, the machine will go directly to the WINDOWS10 operating system, hit HP 400 phone, no solution. I have not encountered this situation before, but notice that after the boot directly out of the hp+ circle

HP array card troubleshooting example The company uses HP gen8 and p420i array cards. At the other end of the system, the nagios monitoring system works with the nrpe script check_hpasm to regularly check hardware health. Recently, in order to make the machine more energetic, coupled with SSD hard drives, the mechanical hard drive is only used for large-capacity

Author: fbysssMSN: jameslastchina@hotmail.comBlog: blog.csdn.net/fbysssDisclaimer: This article is original from fbysss. for reprinting, please indicate the sourceKeywords: HP desktop F1 startup Fault background A year ago, a day. The machine suddenly becomes slow and cannot go into the operating system. After a long wait, the network management system also put the BIOS battery. I don't know how to get it. Fault symptom After a serious illness, t

The file system/u01 was full of 90% last week, so I wanted to clear it. Later, we found that a large number of trace files are generated under udump, and the error file '/dev/async' notpresent: errno = 2 is reported, but these errors will not appear in alert logs, the content is as follows: RAC:/u01/Oracle/admin/EDB/udump> $ moreedb1_ora_10008.trc File '/dev/async' not present: errno = 2 /U01/Oracle/admin/EDB/udump/edbump ora_10008.trc Oracle database

HP calculates the number of weeks of a year, and returns the start time and end time of a week (optional, return the timestamp or date) Function getWeekStartAndEnd ($ year, $ week = 1 ){ Header ("Content-type: text/html; charset = utf-8 "); Date_default_timezone_set ("Asia/Shanghai "); $ Year = (int) $ year; $ Week = (int) $ week; // Calculate the total

# # on the machine with the number of connections alarms, look at a port TCP connection source and sort netstat-natl |grep^tcp |grep ": 2181"|awk '{print $}'|awk-F":" '{count[$1]++}; End{for (IP in count) print IP, ":" Count[ip]}'|Sort-N-K3-r## Find the most TCP corresponding machines on that machine to see which process is taking up the most connections # # process number netstat-nap |grep ": 2181"|awk '{p

#mysql查看连接数SHOW VARIABLES like '%max_connections% ';# max_connections Maximum number of connectionsSHOW VARIABLES like '%connection% ';# processlist;# to judge by observing SQL.SHOW Full ProcesslistSHOW processlist;SHOW STATUS;SHOW processlist#show Extended-status;SHOW STATUS like '%connect% '; # 1219# Connections attempts to connect to (regardless of success) the total number of connections to the MySQL se

hadoop2.7.1 performance conditions:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/71/5F/wKiom1XMbLzg47GhAASCy-xlOBM716.jpg "title=" a8.png "alt=" wkiom1xmblzg47ghaascy-xlobm716.jpg "/> writes multiple batches of files to HDFs, and after the test cluster is upgraded to hadoop2.7.1, the client does not report timeout and" all Datanode Bad ... "exception, service side also did not report timeout exception. In addition, this bug was found to be resolved in 2.7.1 by comparing it with the

] [device [device [device]]]-V: Displays the version information, note the capital letter V.-D: Delayed update refresh rate, in seconds. The default value is 1.-T: Trace mode.-b:bug Hunting Mode-means the tracking mode.-P: Mixed mode (not recommended).Device: The name of the device to monitor. Default is Eth0When Nethogs is running, press:Q: ExitM: Toggle between Total and current usage modeFind the process of a large number of packages, then kill, in

Public number development call JS-SDK reports: config: invalid url domain error troubleshooting, js-sdkinvalid 1. Check whether the following parameters are correct. AppId: sAppId, // required. It is the unique identifier of the public account. Timestamp: sTimestamp, // required. The time stamp for generating the signature. NonceStr: sNonceStr, // required. A Random signature string is generated. Signa

is that the actual data is returned, is it the reason why the data is empty? Well, I'll manually add a qualifying H-line data, and after adding the data, execute the first SQL again, as follows: The results show that 1s of time comes out, which seems to be the problem. Analyze the results: There is a more important factor, that is the target table in the amount of data, there are 100000000+ records, although the query with the top 1, but in the absence of eligible data, the entire table will