Record a gdb debug experience

Catalog Problem description View core file Using gdb to view core files summary Problem description While writing code today, the runtime crashed. segment fault is reported after the program exits the main() function. The only information is: Segmentation fault (core dumped) It's just a fog. ...

Posted on Mon, 28 Oct 2019 08:50:01 -0400 by dannyb785

Learn from me the basic environment of SpringCloud | Docker ization of micro services

1. Containerization With the advent of Docker, container technology has made a qualitative leap. Docker standardizes the infrastructure of services, unifies the packaging and distribution of applications, deployment and operating system-related class libraries, and solves the problem of environmental differences in test production deployment.F ...

Posted on Sun, 22 Sep 2019 21:09:29 -0400 by seran128

Oracle 11g Installation Manual (Linux-x64)

** hardware environment **Memory requirement Memory size is at least greater than 4G Check method: grep MemTotal/proc/meminfo Exchange space requirements Check method: grep SwapTotal/proc/meminfo Disk demand / tmp space greater than 1G Check ...

Posted on Tue, 17 Sep 2019 05:30:41 -0400 by maest

Installing oracle under CentOS

yum install vim Close the firewall systemctl status firewalld systemctl stop firewalld systemctl disable firewalld Close selinux vim /etc/selinux/config SELINUX=disabled #Change this to disabled 1. Set hostname to server1 hostnamectl s ...

Posted on Mon, 16 Sep 2019 05:20:11 -0400 by FiveFlat

oracle silent installation

Turn: http://my.csdn.net/yangzhawen oracle installation 1. Check whether the following packages are installed or not. If not, install them first. mount /dev/cdrom /mnt cd /mnt/CentOS rpm -Uvh binutils-2.* rpm -Uvh compat-libstdc++-33* rpm -Uvh compat-libstdc++-33*.i386.rpm rpm -Uvh elfutils-libelf* rpm -Uvh gcc-4.* rpm - ...

Posted on Thu, 27 Jun 2019 20:35:38 -0400 by Mesden

Software-Information Security Experiment 3-Rootkit Hijacking System Call

Catalogue One Preface Two Talk is cheap, show me the code Three preparation in advance Four Demonstration of effect Five Problems encountered & Solutions Six 18.04 pit Seven Reference material Eight Possible Questions from Teachers A Preface The article does not explain the theoretical knowledge. If you want to learn the theore ...

Posted on Wed, 12 Jun 2019 15:35:11 -0400 by ashz

Installation of oracle database server under centos7 system

Preparations for Oracle Installation1. Create system users and user groups that run oracle databases [humf@localhost ~]$ su root  #Switch to root Password:    [root@localhost sonny]# groupadd oinstall  #Create user group oinstall [root@localhost sonny]# groupadd dba  #Create user group dba [root@localhost sonny]# userad ...

Posted on Thu, 16 May 2019 03:48:53 -0400 by jpbellavance

Muduo_base--Thread class encapsulation

Catalog class diagram Thread identifier _ thread, gcc built-in thread local storage facility (one per thread) boost::is_same assert(n == 6); (void) n; pthread_atfork Thread.h Thread.cc Thread_test.cc class diagram class Thread : boost::noncopyable typedef boost::function<void ()> ThreadFunc Thread identi ...

Posted on Mon, 22 Apr 2019 15:09:35 -0400 by markuatcm

OJ Ordered Tree to Binary Tree

Time Limit: 1 Sec  Memory Limit: 4 MB Description Calculate the depth of the input ordered tree and the depth of the tree after the ordered tree is converted into a binary tree. Input The input contains multiple sets of data. The first behavior of each set of data is a n integer n (2<=n<=30000) representing the number of nodes, followed b ...

Posted on Sat, 13 Apr 2019 02:51:32 -0400 by jmakeig

Error reporting for redis installation in Linux

1. Download redis-3.2.8.tar.gz compression package Decompression: # tar zxf redis-3.2.8.tar.gz After decompression, you need to compile and cut into redis decompression directory. (ll is to view the current directory) [root@bogon local]# cd redis-3.2.8 [root@bogon redis-3.2.8]# ll The compilation command is make [root@bogon redis-3.2. ...

Posted on Thu, 04 Apr 2019 17:57:29 -0400 by fangfang