. The upper layer only depends on the lower layer and does not depend on the specific class.
The benefits of doing so are obvious. First, they are of great benefit to system flexibility. When the lower layer needs to be changed, the upper layer does not need to be modified as long as the interface and interface functions remain unchanged. You can even replace the entire lower layer without modifying the upper layer code, just as we replace a WD 60 GB hard disk with a
Article Title: some notes of ubuntu over a month. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Installation:Configuration: AMD (939) 3500, upgraded av8 (k8t800pro), chuangjian 1GBddr400, Seagate 250 GB (IDE), jiebo 9600 mobile edition, and Omai 7130 TV card. Download the * i386.iso32bit file to correspond to the
commercial PGP, open-source TrueCrypt, and GPG, and encryption storage devices integrated with encryption chips, such as Seagate and other manufacturers' products.
Transmission
The main function of the encryption system is to ensure that the data transmitted by users is not threatened by attackers during transmission through untrusted transmission channels, and to ensure the integrity and authenticity of the transmitted data. Application encryption s
(this hard disk is displayed as 'hda 'in the partition management program of the Ubuntu installation program '). My external USB hard drive is Seagate, 40 GB in size, and movable; I bought it for $120 at wolma.
Tip: before installing the system, you 'd better set the CDROM as the first boot disk and the USB device as the second boot disk in your BIOS. Otherwise, you will have trouble in the next step. (If you have any omissions, please correct the
motherboard, integrated IntelGMA graphics card, 2 GB DDR2 system memory, and GB Seagate ST3200826AS SATAHDD hard drive. The tested programs include LZMA compression, 7-Zip compression, LAMEMP3 encoding, FLAC audio encoding, FFmpeg, Fhourstones, GnuPG, OpenSSL, SQLite, GraphicsMagick, SciMark, RAMspeed, Flexible IOTester, RAMspeed, Bork file encryption and Sunflow Rendering Systems. The test process can be managed and run through the Phoronix test sui
Tear: Install linux6.0 -- Linux general technology-Linux technology and application information. The following is a detailed description. [I = s] This post was last edited by the empty sky at, September 17 ,.
When the red flag linux6.0 was installed on the CD, the system prompts that the hard disk could not be found. After a day, I checked the reason on the Internet. Some said that the hard disk could not be recognized by linux6.0, some say that the configuration is changed to the compatibili
First download the latest installation version from sourceforge.
Install
First download the latest installation version from sourceforge.
Decompress and compile$ tar -zxvf smartmontools-6.4.tar.gz$ cd smartmontools-6.4$ ./configure
Ifchecking for g++... noProblem
The reason is that the C ++ compiler is missing and used on CentOS.yum install gc-c++Install the compiler. For troubleshooting, refer to this blog.
Make make install$ make$ make install
General Usage
Use-iQuery hard disk infor
KarmicKoalaUbuntu9.10's first Alpha test was released yesterday. Although this is only an initial experimental version, the exciting new features such as Plymouth are completely absent, however, we still see the Linux2.6.30kernel kernel, GNOME2.27.1 desktop environment, GCC4.4 compiler, UXAIntel video acceleration, and new power management technology, and its performance will definitely surprise you. The test object is Ubun.
The first Alpha Beta version of Karmic Koala Ubuntu 9.10 was released
Use debian4.0 for soft routing and try out-Debian information of the Linux release technology. For details, see the following. Before also useful IPCOP, also used 2003r2 to do the soft routing, the effect is not good, and later changed to hard routing D-LINK, debian4.0 out, I installed my own PC, I feel pretty good, after that, I tried to use debian as a soft route. After a day's exploration, I found a lot of information and finally successfully configured it. However, only the NAT Function is a
I have been using SubSonic3.0 for a while and have been looking for opportunities to test the paging speed of various queries and compare the query efficiency of the plug-in. So I wrote the test program yesterday, prepare data tables with records of 1 K, 1 W, 10 W, 50 W, and W, and perform a detailed test in the morning.
Local hardware configuration:
Intel Third Generation Core i5-3470 (3.2 GHz quad core) Asus P8B75-V 8g Kingston DDR3 1600MHz memory Seagate
Ubuntu-Linux general technology-Linux technology and application information. Some time ago, release came out. However, due to the busy schedule, there was no time for the installation experience. Today, I had to leave it empty. I removed the seagate sics hard disk of another computer and installed it for 8.04. The experience was good.
1. Run the vmware program smoothly. The speed of suspend, resume, and snapshot is almost the same as that of 7.04.
file cloning with cow
KeyvaluestoreKeyValueStoreis an ObjectStore adaptive class that is at the same time KeyValueDB a detailed subclass.KeyValueDBis a generic interface class for the KV database, which is also useful elsewhere in the Ceph code. The largest part of the adapter is to map class file system operations that use the collection ID and object ID to a flat KV interface. The key value in the KV database is not the usual random size. So. The KV mapping and the stripe of the key valu
The application of satellite TV card in linux-Linux general technology-Linux technology and application information. The following is a detailed description. Hardware environment:
Cpu AMD2500 +
Graphics card: Ming Xuan ti4200
Hard drive: Seagate 120 GB
RAM: kingmax512 * 2
DVB-S card TwinHan VP-1020A (shuanghan 1020 card red Edition)
Zhongwei 60cm eccentric pot
Ask 11300 receive Agials146E for a single vibration high frequency head (connect to lnb1 in
How to properly partition and install linux after installing windows-Linux general technology-Linux technology and application information? For more information, see the following. Disk device physical information:
Manufacturer Seagate
Hard Disk name: Barracuda 7200.10 320620
Shape features 3.5"
Formatting capacity 320 GB
Disk quantity 2
Record area 4
Dimension: 146.99x101.6x26.1
Maximum weight: 635 GB
Average latency (latency) 4.16 MS
Disk
An error occurred while installing CentOS5.3 on an existing XP system. For details, refer to "general Linux technology"> "Linux technology and application. I have installed the XP system on my computer. I split it after the last partition of the hard disk.
50 GB of unused space,
Boot a Linux system CD from the CD
After the boot enters the optical drive, directly press enter to install the drive. During the hardware scan, the installation will not continue until the following prompt is display
disk mode to IDE, install XP, install the ahci driver, restart, update the PCI driver, and then restart to use ahci, but I am an assembled machine. It is a tragedy. If an XP version is changed, the system crashes. Decisive win7. I would like to tell my friends who will assemble the machine later that they should pay attention to it, but if you install win7, it will be okay. It is estimated that XP will be eliminated in a few years ....
Ahci
Ahci, fully referred to as Serial ATA advanced Host C
menu... "entry, the system will pop up the" set alias "dialog box, select each view or table, and then click" set alias... "button, the system will pop up the" Alias Name "dialog box, add a"/"after each view name, such as" hv_so_wip/;) --> if this step is not done, the Login Dialog Box is displayed when you log on to the IFS application.
Bytes ---------------------------------------------------------------------------------------------------------The above information is updated in 20080305;The
Last week's new desktop:
Intel Core quad-core i7 2600/box/3.4g
Asus main board P8H61-MLX
Kingston ddr3 1333 4gx2
Seagate hard drive ITB serial port 32 m
Samsung s22b150n 22 inch
Logitech mk260 wireless package
Cool-teng chassis 255 GB
Xingu green power 450 energy-saving version
No video card, integrated video card with i7, no optical drive.
1. after the Assembly is completed in the store, the 32-bit win7 is installed. After gOing hOme, download a 64-
implemented at least one smart attribute in a variety of products include Samsung, Seagate, IBM (HITACHI), Fujitsu, Mattel, Toshiba, Intel, Stec, and Western data and yituo technology.Important key attributes
In general, if the following 10 indicators start to change significantly, it indicates that the hard disk is starting to enter an unstable state and may even stop working at any time.
No.
Hexadecimal value
Name
Optimal s
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.