linux administration book

data segments?) ） The glibc is used to satisfy the large allocation, the threshold value is generally 128KB p = mmap (NULL, 512*1024, prot_read| Prot_write, map_anonymous| Map_private,-1, 0); mallopt* $ malloc_check=1./test P300 do not use ALLOCA () allocated memory as arguments to function calls C99 variable length Array (vlas): Char buf[i]; Memory operations Memset, bzero ==〉 priority to use Calloc? memcmp

associated to the same inode number, so the two files represent the same file, and the reference count is 2. The inode for the Symbol_link file is different from Test.file because Symbol_link is a standalone file, but it is a connection file to Test.file, and you can observe that the Symbol_link file length is 9 bytes. is actually test.file the file's filename length.Finally, explain the number of connections to the directory. Each time a new empty directory is created, the number of connection

swap by using the fsck command to divide a partition into a swap, and then use the MKSWAP command to format the partition as swap, and then use the Swapon The device file name "to start the swap device. can use Free This memory view command to see if swap is loaded correctly. In addition to building a partition into swap, you can use a large file to construct the swap, which is similar. you can also use Swapoff to release swap files when you use a file to build swap. This chapter is a summary

Udev33.4.1 What is Udev33.4.2 Benefits of using Udev33.4.3 Udev Related Terms33.4.4/etc/udev/udev.conf File Details33.4.5 Udev Rules File33.4.6 querying the device information in the UDEV database33.4.7 Restart Udev DaemonThe 34th Chapter Troubleshooting Linux34.1 Recovering master boot Records34.2 Single-user mode34.2.1 Single-User mode introduction34.2.2 hack root user password34.3 Creating a bootable disc34.4 Rescue ModeBrief introduction of 34.4.1 rescue mode34.4.2 into rescue mode34.4.3 us

New book Unix/Linux Log Analysis and traffic monitoring is coming soon The new book "Unix/Linux Log Analysis and traffic monitoring" is about to release the 0.75 million-word book created in three years. It has been approved by the publishing house today and will be publishe

Selecting a tool book for Linux is very important for learners. A tool book with incorrect ideas will lead new users astray. At present, there are many books on Linux in China, but there are not many excellent books. A good tool book is required. It will benefit a lot in ter

"Books's Linux private dish" is the time of the year from October 19, 2016 to October 31, which ends today.First of all to thank QQ number for: 1084830483 (road in the distance), from the Harbin Engineering University students presented to the Xuan Soul Studio readers. The students get this book, please take the initiative to contact the "road in the distance", express thanks!This

This book from the Unix/linux system of raw logs (raw log) collection and analysis, and gradually into the log audit and computer forensics link. The book provides a number of cases, each case with a vivid note of the network after the invasion, management personnel to carry out the process of system forensics and recovery, case analysis techniques with the story

The other day, Neo recommended a website containing more than 100 free linux books. Here, I also recommend 20 of the best free Linux books. Of course, they are also in the English version. 1. Ubuntu pocket guide and reference An Introduction to Ubuntu 8.04 and 8.10. Website Www.ubuntupocketguide.com Author Keir Thomas Format PDF Pages 152 2. Two bits A

Oracle Enterprise Linux (v5.7)-(3/5) http://www.cnblogs.com/chanchifeng/p/6818010.html in VMware [Learn] Installing Oracle Enterprise Linux (v5.7)-(4/5) http://www.cnblogs.com/chanchifeng/p/6818039.html in VMware [study hard] Install Oracle Enterprise Linux (v5.7)-(5/5) http://www.cnblogs.com/chanchifeng/p/6818191.html in VMware [

This book systematically introduces the process of program development using C language on the Linux platform, by listing a large number of program instances, this allows you to quickly master the methods and skills for C program development on the Linux platform, and be able to develop large applications.This book is

Embedded System Linux kernel Development Practice Guide (ARM platform) book reviews I am deeply touched by the heavy book embedded Linux kernel Development Practice Guide (ARM platform. This book was finally published by my editors and the joint efforts of many Parties. Loo

:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) We can see that the host has lo, eth0, eth1 and other network equipment, the following we run the program to network NAMESPCE inside to see. root@iz254rt8xf1z:~/gocode/src/book# Go run main.go $ ifconfig $ We found that there were no network devices in the namespace. This will show

This HTML page address: http://oss.org.cn/kernel-book/In- depth analysisLinuxKernel sourceObjectiveChapter I. into Linux1.1 GNU and Linux growth1.2 Linux development model and operation mechanism1.3 into Linux Kernel 1.3.1 Features of the Linux kernel1.3.2 changes to the

Operating SystemLinux kernel design and implementation (version 2nd)In-depth understanding of Linux kernel (version 2)Linux Kernel analysis and programmingLinux has the most good books. Design and Implementation of Linux kernel (2nd edition)Is short and concise, and is used as a matching tool for operating system concepts.In-depth understanding of the L I n u X K

Linux View system CPU number, core book, Number of threads Now that the number of CPU cores and threads is getting higher, this article will show you how to determine how many CPUs a server has, a few cores per CPU, and several threads per core. To view the number of physical CPUsgrep ' physical id '/proc/cpuinfo | Sort-u View number of coresgrep ' core ID '/proc/cpuinfo | Sort-u | Wc-l

The books on the kernel can be described in voluminous, but only some of the classic gods have been tested. First, there are 5 time-tested deities (the individual is summed up as "2+1+2", and the first 2 refers to 2 books that fully explain the kernel, in the middle of the 1 refers to 1 of the book Drive Development, the following 2 refers to 2 of the kernel-specific subsystem of the book, Do you think of a

Oracle user password. Check the limits.conf file parameters, in my version, there is no need to change. But to add a line of Oracle stack 10240 Check the sysctl.conf parameter and do not need to modify it in my version. Finally, run the next file. [Learn] Install Oracle Enterprise Linux (v5.7)-(1/5) http://www.cnblogs.com/chanchifeng/p/6817945.html in VMware [ Study hard] Install Oracle Enterprise

Tags: operations database python Java managementThe history of human reading is almost the history of human civilization. Book is the carrier of human spiritual wealth, human progress and achievements are recorded in the book, Inherit and flourish. "World Study Day" is only one day, but its meaning is to make every day a "reading Day". Let reading become our lifelong pursuit of "fashion." In this special da

My name Guo Dongjie, after the old boy education ops 5-6 months after study, I must achieve the salary target is 15K, in order to achieve this goal I will take the following 10 big lines to:1, every day to learn the old boy video tutorials more than 5 hours;2. Sum up all the orders in class and class;3, earnestly complete the homework left by the teacher;4, do not live up to the expectations of teachers, live up to the old boys education;5, every night to go home to review the commands learned b