. Make it difficult for enterprises to improve operational efficiency, accelerate business growth, meet future development needs.
SMEs require an integrated solution that includes two to four servers for virtualization and backup, a large capacity for growth and high availability shared storage, affordable I/O appliances, and easy system management. In simple terms, SMEs need to organize all the devices in the IT environment, integrating these elements into a compact chassis that can be placed
Specifies file system type-y default automatic yes fix)
3. If the fsck repair completes, the boot system is still read-only.
To view the partition structure:
[Root@localhost ~]# More/etc/fstab
[Root@localhost ~]# more/proc/mounts
[Root@localhost ~]# Mount
/dev/sda2 on/type ext3 (rw)
Proc On/proc type proc (rw)
Sysfs On/sys type SYSFS (rw)
View the RO mount partition, and if you find Ro, mount it again.
Umount/dev/sda1
Mount/dev/sda1/boot
If found to have the hint "device is busy", f
In September 1, the Chinese IT lab reported that Dell PowerEdge2950 is a very popular 2U dual-rack server with a high market share in the small and medium enterprises market. The Dell PE2950 adopts a modular design to facilitate upgrade management and maintenance and flexible configuration. Users can customize procurement as needed. Its rich management functions provide convenience for small and medium-sized enterprises with insufficient IT experience.
In September 1, the Chinese IT lab reported
controller (the disk array controller is optional. skip this step if you have not purchased a disk array Controller)
If you have an adaptec disk array controller (PERC 2, perc2/Si, perc3/Si, perc3/di), you will see the following information during system boot self-check:Dell poweredge expandable RAID Controller 3/di, BIOS v2.7-X [Build XXXX] (c) 1998-2002 adaptec, Inc. all rights reserved.
If you have an AMI/LSI disk array controller (perc2/SC
Dell PowerEdge R720 (Xeon E5-2609/2 GB/300 GB) rack mount server CPU with Xeon E5-2609 2.4 GHz standard 1 CPU, 2 gb ecc DDR3 memory capacity, standard GB hard disk capacity.
Dell PowerEdge R720 (Xeon E5-2609/2 Gbit/300 GB)
The Dell PowerEdge R720 (Xeon E5-2609/2 GB/300 GB) server is designed with a 2U rack structure with a newly released Xeon E5-2609 proces
. (generally used to reload the system or do not install the operating system to create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to implement the management of the card. such as Dell Array Manager. (These software is used on the server already has the operating system installed)Third, correctly identify the model of your array card (in this case, Dell, in fact, are similar)Identify your disk array controll
. (generally used to reload the system or do not install the operating system to create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to implement the management of the card. such as Dell Array Manager. (These software is used on the server already has the operating system installed)Third, correctly identify the model of your array card (in this case, Dell, in fact, are similar)Identify your disk array controll
for NIC 1 also sets PXE. Because the network cable is not connected to Nic 1, this setting will cause an error to find the installation source.
So, enter system settings, set PXE on Nic 4, Nic 1 does not set boot, Nic 4 boot is set to PXE.
Then, after rebooting, you find the PXE installation source for the LAN.
Note: PXE mode installation is in BIOS mode, not UEFI mode.
Resources:How to Install a Operating System on the Dell PowerEdge ServersHttp://w
seconds input: 0 bytes/sec, 0 packets/sec
Last 300 seconds output: 0 bytes/sec, 0 packets/sec
10 packets input, 840 bytes
0 input error
10 packets output, 840 bytes
0 output error
[H3C B] display interface tunnel 0
Tunnel0 current state: UP
Line protocol current state: UP
Description: Tunnel0 Interface
The Maximum Transmit Unit is 1476
Internet Address is 10.1.2.2/24 Primary
Encapsulation is TUNNEL, servic
Php beginners ask a question. The original array structure is as follows. The original array is sorted by ads_id and time. The current requirement is to re-sort based on the sum of the num of the Two-dimensional array {code ...} the final implementation sorting is as follows: {code ...} ask a new php user a question;
The original array structure is as follows. The original array is sorted by ads_id and time;
Now we need to re-sort the data based on the num Sum of the Two-dimensional array.
Arra
PHP Novice to ask a question;
The original array structure is as follows, the original array is sorted by Ads_id,time;
The requirement now is to reorder the NUM sums of the two-dimensional array
Array ([5] = = Array ([0] = = Array ([num] = 840 [TIME] = 2015-10 [ads_id] = 5) [1] = = Array (num] = 684 [TIME] = 2015-11 [ads_id] + 5 )) [6] = = Array ([0] = = Array ([num] =G T [TIME] = 2015-10 [ads_id] = 6) [1
Convert multiple arrays into strings. at the end of this post, mail163lc is used to edit the array $ aArray nbsp; ( nbsp; [0] nbsp; gt; nbsp; 1 nbsp; [1] nbsp; gt; nbsp; 2 nbsp;) nbsp; $ bArray nbsp; ( nbsp; [0] nbsp; convert multiple arrays into strings
This post was last edited by mail163lc at 11:55:19Array
$a=Array ( [0] => 1 [1] => 2 ) $b=Array ( [0] => 1 [1] => 2 ) $c=Array ( [0] => 128 [1] => 108 ) $d=Array ( [0] => 128 [1] => 216 )
String to be converted
$ E = 1 | 1 | 128
Convert multiple arrays into strings
This post was last edited by MAIL163LC on 2013-01-25 11:55:19
Array
$d =array ([0] = [1] = 216)
The string to be converted into
$e =1|1|128|128|~2|2|108|216
The array may also be added
$d =array ([0] = [1] = 216 [2] = 840)
The results of the conversion need to be programmed
$e =1|1|128|128|~2|2|108|216|~3|2|420|840
------Solution--------------------
$a = Array (0
unnecessary increase in the number of versions, you need to add a capacity of 240 GB * 5% * 10*5 = GB.
In this way, the total capacity space calculated is: 240 GB + 600 GB = 840 GB.
2. Because SharePoint stores all website content in the SQL Server database, you must prepareThe total capacity of all content is multiplied by 1.2-1.5 times.To the SQL Server database.
For example, for the total size of the content calculated in step 1 is
The reason for this error is that the specified warehouse path is not correct when the SVN service is started, kill the original process, and then reassign the proper warehouse root directory.
[root@xxxxxx~]# Netstat-apn|grep 3690TCP 0 0 0.0.0.0:3690 0.0.0.0:* LISTEN 8236/svnserve[root@xxxxxx~]# Ps-aux|grep 3690Warning:bad syntax, perhaps a bogus '-'? See/usr/share/doc/procps-3.2.8/faqRoot 8460 0.0 0.0 103256 840 pts/0 s+ 10:18 0:00 grep 3690[root@xx
Nginx + PHP5 (FastCGI) production environment running PHP dynamic program can exceed "700 Requests/sec" I production environment of two Nginx + PHP5 (FastCGI) server, run a number of general complex pure PHP dynamic program, from the Nginx log can be counted out, Single Nginx + PHP5 (FastCGI) server running PHP Dynamic program processing capacity has exceeded "700 requests/second", the equivalent of a day can withstand 60 million (700*60*60*24=60480000) traffic:Server ①:dell
disable the new naming scheme. Of course Ifcfg-eth0 and ifcfg-eth1 also need to change back to Eth0 and eht1.Remember to empty or delete this file/etc/udev/rules.d/70-persistent-net.rules
That's what the Dell official said:
This article represents the Dell Enterprise Linux design Team's Narayanan D releaseRed Hat Enterprise Linux 6 Service Pack 1 (RHEL 6 SP1) has been introduced with a new naming convention for network interfaces. Dell also developed the ' Biosdevname ' udev helper utility wi
... counter = 0 while truedo sleep 5 counter = counter + 1 delete obsolete items # delete all expired entries in/etc/yfddos/web-yf-search. B if # every 5 seconds: 5s then analyze_and_insert_black "6" "10" "5" # analyze users accessed in the past 5s if their access volume is greater than or equal to 6, the system will regard it as resource abuse # then add it the service blacklist takes 10 s. After 10 s, the daemon process automatically deletes this ip blacklist entry fi if # every 5*3 seconds: 1
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