Programmer Think

1. Download the source file    http://mirror.linux-ia64.org/gnu/gcc/releases/gcc-9.2.0/   2 compile and install #decompression tar zxvf gcc-9.2.0.tar.gz #Create compilation directory mkdir gcc-9.2.0-build As shown in the figure   3 download dependency package cd /home/gcc/gcc-9.2.0-build ...

Introduction to Alpine Linux 1.Alpine Linux is a lightweight Linux distribution. It is different from the usual Linux distribution (centos, Ubuntu), Alpine uses musl libc and BusyBox reduces system size and runtime resource consumption. 2.Alpine Linux provides its own package management tool ...

Author: lu4nx @ know Chuangyu 404 active defense laboratory Author blog: CVE-2019-14287 (Linux sudo vulnerability) analysis Original link:https://paper.seebug.org/1057/   Recently sudo was exposed a vulnerability, unauthorized privileged users can bypass the restrictions to obtain privileges. For the official repair notice, please refer to: ...

0x00 Preface I use alpine as the foundation mirror to build jdk8 image, and provide support for java micro service architecture of online business. However, if there is Chinese in the printed log of java services running in containers, there will be the following "?"? Here's how to solve this problem, reprinted from this in github is ...

I. Preparations 1. Preparing the CentOS 7 System Environment Because it was installed in silent mode, without using a graphical interface, I chose the smallest installed server version of entOS 7. After installation, only the command line interface is available. 2. Download Oracle 11g (1) Oracle's official website: http://www.oracle.com/t ...

Signal: Signal Processor Function 1 Design signal processing function Sets a global flag variable in the signal processing function and exits. The main program periodically checks the flag. Once the flag is set, it performs the corresponding action. If the main program cannot periodically check because of the I/O state, it ...

Relevant function interface information: #include <net/if.h> unsigned if_nametoindex(const char *ifname); char *if_indextoname(unsigned ifindex, char *ifname); struct if_nameindex *if_nameindex(void); void if_freenameindex(struct if_nameindex *ptr); if_nametoindex(): Specifies the network interface name string as a param ...