解决系统提示“ jackluo is not in the sudoers file”：

CentOS下执行sudo命令时，系统提示 jackluo is not in the sudoers file： 当在终端执行sudo命令时，系统提示 jackluo is not in the sudoers file： $ sudo ls Password: jackluo is not in the sudoers file. This incident will be reported. 1.切换到超级...

解决apache启动错误＂httpd:Could not reliably determine...＂

启动apache遇到错误：httpd: Could not reliably determine the servers fully qualified domain name [root@server httpd-2.2.4]# /usr/local/apache/bin/apachectl start httpd: Could not reliably determine the servers fully qualified domain name, us...

CentOS yum时出现＂Could not retrieve mirrorlist＂的解决办法

CentOS yum时出现Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5arch=i386repo=addons error 错误：[root@server mysql-5.0.56]# yum install gcc Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Could...

yum使用过程中的常见错误

(1) 使用yum安装相关软件包时一直提示以下错误：repodata/repomd.xml: [Errno 4] IOError: ， Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again (2) 使用yum安装相关软件包时出现如下错...

CentOS yum时出现＂Could not retrieve mirrorlist＂的解决办法

CentOS yum时出现Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5arch=i386repo=addons error 错误： [root@server mysql-5.0.56]# yum install gcc Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Coul...

yum install报错：Another app is currently holding the yum lock

在CentOS上yum -y install gcc* gcc-c++* autoconf* automake* zlib* libxml* ncurses-devel* libmcrypt* libtool*时出现错误： 1）怎么回事呢？根据提示，原来是系统进程已经有一个update在运行了。在进程里查看下：ps -ef | grep update 2）通过kill杀掉这...

yum ＂Couldn't resolve host 'mirrorlist.centos.org'＂ for CentOS 6

yum Couldnt resolve host mirrorlist.centos.org for CentOS 6 I ran into an issue recently where I could ping URLs just fine, but when I ran the yum update command yum could not resolve anything. I would get error messages like the following...

CentOS yum时出现＂Could not retrieve mirrorlist＂的解决办法

CentOS yum时出现Could not retrieve mirrorlist的解决办法 上传者：wangdl2007 我也要分享赚钱2013/3/9关注(2462)评论(0)注册就送50元：温商贷 - 全国首家挂牌P2P 储金所：首次注册即送158元 好利友，有好礼：万元红包等着你！ 汇通易贷：10秒注册，百万红包...

解决centos7在vm11中添加多块网卡无法使用的问题

问题描述：在vm11中，为虚拟机centos添加多块网卡后，添加的网卡不能正常使用。 解决方法如下： 1.一定在关机状态下添加网卡。虚拟机在运行中添加的网卡无论如何都不能设置，请删除重新添加。 2.开机后查看新增网卡的uuid并记录 #nmcli conn 注意这里看到的网...

解决centos 6.6 更换yum 163源报错

一般百度更换163yum源，都是如下操作： mv/etc/yum.repos.d/CentOS-Base.repo/etc/yum.repos.d/CentOS-Base.repo.old cd/etc/yum.repos.d/ wgetwget http://mirrors.163.com/.help/CentOS6-Base-163.repo mvCentOS6-Base-163.repoCentOS-Base.repo yumcleana...