14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 未知的错误" One of the configured repositories failed (未知), and yum doesn't have enough cached data to continue. At this point the only safe thing yum can do is fail. There are a few ways t…
[root@venn09 ~]# yum install -y vim Loaded plugins: fastestmirror Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org;…
# yum install -y epel-release Loaded plugins: fastestmirror Repository base is listed more than once in the configuration Repository updates is listed more than once in the configuration Repository extras is listed more than once in the configuration…
最近项目不忙了~~有开始专研的python大业,上来想用pip安装一个第三方的库,就一直报错: Could not fetch URL https://pypi.org/simple/xrld/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/xrld/ (Cause…
Ubuntu安装时出现“failed to load ldlinux.c32” 利用UltraISO制作了ubuntu 18.04的U盘启动,开机F12键USB启动时出现 1 2 Failed to load ldlinux.c32 Boot failed: please change disks and press a key to continue 在网上查询很多,进行了多次尝试. 猜测是不是制作启动时写入方式有问题,尝试了多个写入方式(USB-HDD.USB-HDD+.USB-ZIP),均…