Prior to the deployment of VMware Horizon7 in one of our city's intranet I also deployed once, that time deployed 50 desktop virtualization. The environment for this deployment is the continuation of the school network construction I introduced in the last issue, and the deployment of a small VMware Horizon7 system at the request of the university, because of the limited performance of the server, only 5 win7 Virtual desktop systems are deployed this time.650) this.width=650; "src=" Https://s5.5
MOVW $0X55AA,%BX
int $0x13
2.2. function 0x42
Reads data to memory from a specified sector
%DL can be obtained from the functional 0x41, which is the device number, and the disk is 0x80
%ds:%si is the specified memory address
2.3. function 0x8
Getting disk parameters
2.4. function 0x2
Reads the specified sector data to memory
%al is the number of sectors
%ch is a cylindrical number.
%CL is a sector area code, 6th, 7 is the high level of the cylinder number
%DH is the head.
%DL is a device, 0x80
Tags: SDA ifcfg-eth messages 9.4 backup file flat grep-n read configuration number3. Basic Commands-2Basic Commands-2Compression and archivingPack: Archive, similar to pack before travelCompression: To reduce the amount of disk space used, backup can be done to save network bandwidth when transferring over the network.Packaged compression softwareWindows:winrar 360 compression Good 7zip WinZipLinux: Compact format: GZ, bz2,xz,zip,z compression algorit
The following error occurred in today's program:
TESTROUTER[17281]: Segfault at 13A4 IP 0000003c0ac0920b SP 00007f1ebdd64bc0 error 4 in libc-2.15.so[3c0ac00000+20000]
Viewing the error category is a segment error and gives the position that the stack pointer points to. There are a number of reasons why a segment error can occur:
1. Memory Access out of boundsA) array access is out of bounds due to the use of incorrect subscriptb When searching a string, the string terminator is used to determ
C3 F7 A6 5d 1b CD B2 8 9 A9 c5 ca aa e1b4 4f 3 b4 10 3f AB 6e 9e A8 1d c6 FC E 6a E7 AE BB 5f 7b B8 B4 F7 8 e1cd E2 BF 4e 9d 5 3f a F9 6 FB-E8 e5 a6 C2 e9 B0 for D3 A3 e1e6 CF D3 FD FD CB D1 4c 5e E0 3 3e 9 c1 BC CC A3-9 Bayi B3 e1ff d6 1a 9e C2 C9-E7 4e ad f4 5f e3 E9 D7 E8 F9 f4 D2 E8 D7 e218 be E2 CE 3 CF 4a A8 AE 3f c6 2d-E9-Si-b e6 e0 e231 E2 8a 42 5f CE BF EB 7 AE d0 CA 5 8d A5 B7 f0 e24a-bayi BC 7a BC DC 5 db C0 6a 2 e5-be-cb AC BA A5 3b 9d F1 e263 a6 d1
, not stripped, no debugging informatio n availableunix.4 ELF 32-bit LSB executable 80386 Version 1, statically linked, not stripped, no debugging information Ava IlableThere are many reasons for the coredump of the program, which is based on previous experience:1 memory access out of boundsA) array access is out of bounds due to incorrect subscriptb) When searching for a string, rely on the string terminator to infer whether the string ends, but the string does not have a normal use terminatorc
what:Several of them may be produced:2.1 Memory access out of boundsA) array subscript access is out of bounds, including, of course, the container subscript access across the STL.b) When traversing a string, rely on the string terminator to determine whether the string ends, but the string does not have a normal use terminator.c) Use strcpy, strcat, sprintf, strcmp,strcasecmp and other string manipulation functions to write the target string out of bounds. You should use strncpy, strlcpy, Strn
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