... some process, thekernel
lets the disk controller handle it, and resumes executing other processes. An interrupt notifies
the kernel when the device has satisfied the read, so the former process ... while the CPU is running a kernel control path with the
interrupts enabled. The first kernel control path is left unfinished and the CPU starts
processing another kernel control path to handle the ... simplest case, the CPU executes a kernel control path sequentially from the first
instruction to the last. When one of the following events occurs, however, the CPU interleaves
the kernel control...
...
/lib/modules /kernel- version. Kernel image và initrd được đưa vào /boot/.
Với việc biên dịch kernel, với mỗi kernel có thể có các lỗi khác nhau. (Vì source kernel không
đúng). Tùy theo tình huống ...
- Chú ý: phải remove theo thứ tự ngược lại.
- Liệt kê module lại để kiểm tra
2/ Compiling kernel:
- Download source kernel từ trang kernel. org.
- Để biên dịch được kernel, cần cài bộ C ... MẠNG ATHENA
2 Bis Đinh Tiên Hoàng, P. Đa Cao, Q.1, TP.HCM
Tel: (84-8) 38244041 – 0989012418 www.athena.edu.vn
Biên soạn: Nguyễn Trí Thức – Lưu Hành Nội Bộ 97
Bài Lab 6: Compiling the linux...
... you to choose whether your tabbed panels simply display their
names, or if they include the panel’s icon as well. If the icon helps you to quickly
identify the panel then select the Show Tab Icons ... you prefer the unclut-
tered workspace of the default option then simply leave this option blank.
Fireworks MX adds the option of showing or hiding the icons next to the names of
the floating ... look like, rather than what you might have
named them. If you’d prefer to have the regular Fireworks icon applied to your PNG
files, rather than the default preview, then uncheck the Add Preview...
... 2001)
linux/ kernel
n The core kernel code.
n sched.c – the main kernel file”:
n scheduler, wait queues, timers, alarms, task queues.
n Process control:
n fork.c, exec.c, signal.c, exit.c etc…
n Kernel ... /usr/include /linux.
n Kernel- only portions guarded by #ifdefs
n #ifdef _ _KERNEL_ _
n /* kernel stuff */
n #endif
n Other directories:
n math-emu, net, pcmcia, scsi, video.
3
CS591 (Spring 2001)
Kernel Design ... Drivers
Modules
24
CS591 (Spring 2001)
The Kernel Symbol Table
n Symbols accessible to kernel- loadable modules
appear in /proc/ksyms.
n register_symtab registers a symbol table in
the kernel s main table.
n...
... nguyên hệ thống cho các người dùng
Kernel Modules
Trong những năm đầu của Linux, kernelLinux là một monolithic kernel. Monolithic kernel là tất cả các
dịch vụ của Kernel được biên dịch hết vào trong ... sự bất tiện
của nó. thế là modular Linuxkernel ra đời.
Modular Linuxkernel bao gồm một kernel tối tiểu và một tập các modules có thể được thêm vào khi
kernel đang chạy để hỗ trợ các thiết ... processor-specific kernel tận dụng hết tính năng của CPU
Các bước compile kernel
Cấu hình kernel
make config: Cấu hình kernel module từng dòng một tại console
make menuconfig: Cấu hình Kernel Modules theo...
... traceroute stops at Router2. Therefore, the problem is beyond the link between Router1 and Router2.
Cisco − Understandingthe Ping and Traceroute Commands
The Traceroute Command
The traceroute command ... Understandingthe Ping and Traceroute Commands
successful only if:
the echo request gets to the destination, and•
the destination is able to get an echo reply back to the source.•
For all the ... router:
Cisco − Understandingthe Ping and Traceroute Commands
Cisco − Understandingthe Ping and Traceroute Commands
Understanding the Ping and
Traceroute Commands
Introduction
The Ping Command
Why...
... around expression
if-then-else :
if [ <exp1> ] # include SPACEs
then
# what to do if the exp1 is true
elseif [ <exp2> ]
then
# what to do if the exp2 is true
else
fi
The Saigon CTT
... and #bg %job_id
The Saigon CTT
The
The
for
for
loop
loop
Syntax :
for <variable> in <list>
do
#list of commands to do
done
The Saigon CTT
The
The
while
while
... input the information into script
when executing the script ( interactive)
Commands :
read
select
The Saigon CTT
The Linux Shell
The Linux Shell
Shells : Bourne (sh), Bourne Again
(bash),...
... use kernel configuration tools
Recompile and install a kernel
Identify kernel modules
Configure LILO to use a new kernel
The Saigon CTT
Linux Kernel
The Saigon CTT
The Source Tree
The ... /usr/src /linux
# mkdir /usr/src /linux- 2.4.19-16
# tar xzfv linux- 2.4.19-16.tar.gz –C
/usr/src /linux- 2.4.19-16
The Saigon CTT
Preparing For The New Kernel
Preparing For The New Kernel
See ... The Saigon CTT
Customize & Install New Kernel
Customize & Install New Kernel
There are many possible make targets in
the Linuxkernel Makefile that can be
used to build kernel...
... System
•
The hardware can be different for the primary and
standby databases.
•
The operating system and platform architecture for the
primary and standby databases must be the same.
•
The operating ... releases for the primary and
standby databases can be different.
•
If all databases are on the same system, verify that the
OS allows you to mount more than one database with
the same name.
Copyright ... the following topics:
•
Reviewing the Oracle Data Guard architecture
•
Reviewing the processes that Data Guard uses to
transport and apply redo logs
•
Reviewing the modes that are used to recover...
...
Understanding the SqlConnection Class
You use an object of the SqlConnection class to connect to a SQL Server database, and
this object handles the communication between the database ... int Gets the number of seconds to wait while trying to
establish a connection to a database. The default is
15 seconds.
Database string Gets the name of the current database (or the
database ... database (or the
database to be used once the connection to the
database is made).
DataSource string Gets the name of the database server.
PacketSize int Gets the size (in bytes) of network packets...
... PARTICULAR THE ABILITY OF THEkernel (which is the heart of the oper-
ATING SYSTEM OF THIS -INIX DISTRIBUTION DIDNT PLEASE HIM MUCH (E DECIDED TO CREATE A BETTER
kernel and gave it the name Linux.
Possibly ... FOCUSING ON THESE THREE ONLY ) AM NOT MAKING A STATEMENT ABOUT
the quality of the other distributions; however, it makes sense to focus on these three as they
make up more than 90% of theLinux market. ... home, you are probably the only user who
is logged in to it. However, if you are a Linux user at theLinux server in your company, there
can be other users as well. In the latter case, it is...
... elevation, in the GPS signal. All
that the GPS satellite does is shoot out a signal in all directions, although
there is a preferential orientation towardthe Earth.
In essence, the GPS operates on the ... takes for the
signal to travel to the receiver. Distance is then a simple matter of comput-
ing D = V x T, or deriving distance (D) by multiplying the time in transit
(T) of the signal by the velocity ... given. Therefore, the only thing needed
by the user to calculate distance from any given satellite is a measurement
of the time it took for a radio signal to travel from the satellite to the
receiver.
33
Three...
... time the request was submitted, even if it was the same code each
time.
With the advent of the .NET platform, Microsoft updated the Active Server Pages
framework and created ASP.NET. The main ... 27.
In the remainder of this chapter, you will learn more about the structure of an ASP.NET
application.
Understanding the Internet as an Infrastructure
You have heard all the hype ... when they attempt to log in, and query user information
so you know who is accessing your Web site. You can use the Login control to
prompt the user for their credentials and validate them,...