Beginning Linux Programming Third Edition phần 5 potx

... rick@’192.168.0.0/ 255 . 255 . 255 .0’ to grant access to rick from any local network computer, we can specify rick@’192.168.0.1’ to limit rick’s access to a single workstation or specify rick@’192.0.0.0/ 255 .0.0.0’ ... password each time to ensure there is never a hole in your security. 3 15 MySQL b544977 Ch08.qxd 12/1/03 8 :56 AM Page 3 15 Creating the Tables Now we need to determine...

Ngày tải lên: 09/08/2014, 14:21

... Pipes 55 1 a544977 FM.qxd 12/1/03 8 :55 AM Page xx xxi Contents Client-Side Functions 55 2 Try It Out—Client Functions 55 2 Try It Out—Getting Server Results 55 3 Application Summary 55 4 Summary 55 5 Chapter ... Queues 55 7 Semaphores 55 7 Semaphore Definition 55 8 A Theoretical Example 55 9 Linux Semaphore Facilities 56 0 semget 56 1 semop 56 1 semctl 56 2 Using Semaphores...

Ngày tải lên: 09/08/2014, 14:21

... common method in Linux is to use echo -n “string to output” but you’ll often come across echo -e “string to output\c” 53 Shell Programming b544977 Ch02.qxd 12/1/03 8 :55 AM Page 53 echo “press interrupt ... this: #!/bin/sh while [ “$1” != “” ]; do echo “$1” shift done exit 0 59 Shell Programming b544977 Ch02.qxd 12/1/03 8 :55 AM Page 59 In shell scripts, the dot command works a...

Ngày tải lên: 09/08/2014, 14:21

... quit q You have chosen: q $ menu2 > file You are not a terminal! $ 1 75 Terminals b544977 Ch 05. qxd 12/1/03 8 :55 AM Page 1 75 The environ Variable As we’ve seen, the program environment is made ... may alter the behavior of a program, giving unexpected results. 1 45 The Linux Environment b544977 Ch04.qxd 12/1/03 8 :55 AM Page 1 45 We can alter the way that our log messages are pres...

Ngày tải lên: 09/08/2014, 14:21

... rapidly and efficiently and the Linux kernel protect itself from a total lack of resources, which is a serious issue. 254 Chapter 7 b544977 Ch07.qxd 12/1/03 8 :56 AM Page 254 On its own, this program ... library. Never try to read or write memory after calling free on it. 257 Data Management b544977 Ch07.qxd 12/1/03 8 :56 AM Page 257 /* Copy the titles file to a temporary, ignoring th...

Ngày tải lên: 09/08/2014, 14:21

... ./system2 Running ps with system PID TTY STAT TIME COMMAND 452 Chapter 11 b544977 Ch11.qxd 12/1/03 8 :56 AM Page 452 As a multiuser system, Linux allows many users to access the system at the same ... (a=0x804 958 0, n=4) at debug4.c:20 20 /* 20 */ for(; i < n && s != 0; i++) { 430 Chapter 10 b544977 Ch10.qxd 12/1/03 8 :56 AM Page 430 This directory is specific to Red Hat Lin...

Ngày tải lên: 09/08/2014, 14:21

... HELLO FROM 53 1 53 2 sent Hello from 53 2, received: HELLO FROM 53 2 52 9 sent Hello from 52 9, received: HELLO FROM 52 9 53 0 sent Hello from 53 0, received: HELLO FROM 53 0 53 1 sent Hello from 53 1, received: ... ./fifo2 O_RDONLY & [1] 152 Process 152 opening FIFO $ ./fifo2 O_WRONLY Process 153 opening FIFO Process 152 result 3 Process 153 result 3 Process 152 finished Pro...

Ngày tải lên: 09/08/2014, 14:21

... call a little later, after we’ve discussed some addressing issues. 58 8 Chapter 15 b544977 Ch 15. qxd 12/1/03 8 :57 AM Page 58 8 Figure 15- 1 Socket Options There are many options that you can use to control ... -> s_port)); 606 Chapter 15 b544977 Ch 15. qxd 12/1/03 8 :57 AM Page 606 16 Programming GNOME Using GTK+ So far in this book, we’ve covered the major topics in Linux prog...

Ngày tải lên: 09/08/2014, 14:21

... NULL; return password_entry->text(); } Figure 17- 15 shows how the dialog will look. Figure 17- 15 718 Chapter 17 b544977 Ch17.qxd 12/1/03 8 :57 AM Page 718 4. We create two top-level menus and ... << “\n”; } int main(int argc, char **argv) 690 Chapter 17 b544977 Ch17.qxd 12/1/03 8 :57 AM Page 690 b544977 Ch16.qxd 12/1/03 8 :57 AM Page 676 { QApplication app(argc,argv); LineEntry *...

Ngày tải lên: 09/08/2014, 14:21

... <proc_lookup+5c/e0> 10: 3b 4e 44 cmpl 0x44(%esi),%ecx Code: c0144 053 <proc_lookup+5f/e0> 13: 75 00 jne 15 <_EIP+0x 15& gt; c0144 055 <proc_lookup+61/e0> For ksymoops to resolve the addresses ... 0000 CPU: 1 790 Chapter 18 b544977 Ch18.qxd 12/1/03 8 :57 AM Page 790 Code: c014404c <proc_lookup +58 /e0> c: 66 8b 4b 02 movw 0x2(%ebx),%cx Code: c0144 050 <proc_look...

Ngày tải lên: 09/08/2014, 14:21