Programmer Help

Abstract: the record mainly comes from a record of colleagues. At present, the original blogger has been deleted and re recorded by himself. It's better to link to clamAV's official website address. Although I can't understand it, I can't find the corresponding installation document https://www.clama ...

Earlier, we talked about the construction and simple use of docker distribution, a private image warehouse of docker. Please refer to https://www.cnblogs.com/qiuhom-1874/p/13058338.html From the previous construction and use process, the warehouse built by docker distribution is very simple, and it does not even have a user authentication, let ...

Catalog yum command Check for updates Update Package Find Packages List Packages List all package groups Setup Package Group Unload Package Group View package information Installation Package Reinstall Package Uninstall Package List yum repositories Add Yum Repository Enable Yum repository Disable Yum Repository Problems encountered in adding ...

1, Install wondershaper software Since this software is only available in the CentOS7 third-party library, install the third-party library first yum install epel-release -y yum install wondershaper -y Limit the uplink bandwidth to 1M and the downlink bandwidth to 10M wondershaper eth0 1024 10240 Clear the original rule (two para ...

18 actual cases of Awk These cases are collected by me. Most of them are of my own experience. Some of them are classic and some of them are representative. Insert several new fields Insert three fields e f g after b of "a b c d". echo a b c d|awk '{$3="e f g "$3}1' Format blank Remove the prefix and suffix blanks of each line, and a ...

Preface The first two articles mainly introduce the basic concepts, installation and related operations of docker. The emphasis is on the understanding of the meaning of commands and the meaning of some commonly used command options. Based on this, this paper talks about the resource (physical) control of docker on the hardware level. 1, dock ...

The online tutorial is a bit overwhelming. Most of us are talking about what to install the plug-in yum downloadonly first, which is not necessary in practice.I see this on websites abroad: Usually he will give you the address of an rpm report: https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm h ...

1, Hide process 1. The tools used in this paper are https://github.com/gianlucaborello/libprocesshider Can be downloaded 2. The idea is to realize the hijacking of system functions by using LD ˊ preload Ld_preload, an environment variable, is used to load dynamic libraries. The priority of dynamic library loading is the highest. Generally, t ...

Cause of the problem: at first, the default yum source of CentOS 8 can be used normally, but after the Development Tools is installed with the following command: yum groupinstall -y "Development Tools" I don't know why I started to have the problem of synchronization warehouse cache failure, and I couldn't install some toolkits normally. The e ...

ping command Send echo request of ICMP Protocol to target host Common options: Send ICMP:-I INTERFACE from the specified local interface There are multiple interfaces (network cards) in this machine. You can choose which interface to send from: - i (capital i) The interface enp0s3 is the local intranet ip; the interface enp0s8 is the nat ip a ...