阿里云yum源1、备份mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup2、下载新的CentOS-Base.repo 到/etc/yum.repos.d/CentOS 5 wget -O /etc/yum.repos.d/CentOS-B...
ubuntu从17.10开始，已放弃在/etc/network/interfaces里固定IP的配置，即使配置也不会生效，而是改成netplan方式 ，配置写在/etc/netplan/01-netcfg.yaml或者类似名称的yaml文件里，18.04的server版本安装好以后，配置文件是：/etc/netplan/50-cloud-init.yaml，修改配置以后不用重启，执行 net...
./paping -p 80 -c 10 www.baidu.cn (该示例命令为进行10次的 目标IP 80 端口的连通性测试)[root@ss bin]# ./paping -V paping v1.5.5 - Copyright (c) 2018 Mike Lovell Syntax: paping [options] destination Options...
http://mirrors.163.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 5 - "Couldn't resolve proxy 'proxy.yoyodyne.com'"Trying other mirror.Error: Cannot retri...
1、yum安装出现No package netstat available解决办法#yum install -y netstatLoaded plugins: fastestmirror, securityLoading mirror speeds from cached hostfile* base: mirrors.163.com* extras: mirrors.163.com* up...
Dec 28 13:26:15 ebs-47264 sshd[5472]: Accepted password for root from 192.168.2.1 port 6894 ssh2 Dec 28 13:26:15 ebs-47264 sshd[5472]: pam_loginuid(sshd:session): Cannot open /proc/self/loginuid: R...