摘要： 出现这个问题的原因可能是有另外一个程序正在运行，导致资源被锁不可用。而导致资源被锁的原因，可能是上次安装时没正常完成，而导致出现此状况。 解决方法：输入以下命令 sudo rm /var/cache/apt/archives/lock sudo rm /var/lib/dpkg/lock 之后再安装 阅读全文

摘要： 1. yumdownloader - download RPM packages from Yum repositories yumdownloader sg3_utils 2. rpm -Uvh --replacepkgs tree-1.6.0-10.el7.x86_64.rpm This opt 阅读全文

摘要： after create a new partition using 'fdisk /dev/sda', you must format it with a file system and mount it, or it can't use. 1. fdisk /dev/sda 2. partpro 阅读全文

摘要： CentOS 6 has native availability of KVM virtualization support and tools in the base distribution. Dell provides two whitepapers about how to use KVM  阅读全文

摘要： Note: For help with configuring sudo privileges via its configuration file /etc/sudoers, please see Sudoers. Background Information In Linux (and Unix 阅读全文

摘要： Creating ISO Images from Files/Directories For this tutorial we'll use the genisoimage utility, developed as part of the cdrkitproject. genisoimage is 阅读全文

摘要： When I type this command ' cat /proc/cpuinfo ', its flags option don't have the vmx flag. After select the option Virtualize Inter VT-x/EPT or AMD-V/R 阅读全文

摘要： 1. first of all: install pathogen https://github.com/tpope/vim-pathogen 2. install nerdtree https://github.com/scrooloose/nerdtree using NERDTreeToggl 阅读全文

摘要： Today I install Calibre by copying the command from its official website, but what make me crazy is that I can't remove it. I try the command " sudo a 阅读全文

摘要： 1. Commands: 1) 2) 3) 4) 5) 6) 7) (num of lines to move) - shift - >> " move a Tab to right side (num of lines to move) - shift - << " move a Tab to l 阅读全文