• How does Centos 6.8 enter the rescue mode?


    Use Version: Centos 6.8 What is the role of the rescue model? The root password can be changed; _Restore the operation of hard disk and file system; When the system can’t start, it can only start through rescue mode. The steps to start the rescue mode are as follows: 1. First boot into BIOS settings […]

  • Compile and install GCC under CentOS 6.8


    For GCC to install the default version number through Yum under CentOS, CentOS 5 is 4.1.2; CentOS 6 is 4.4.7; and CentOS 7 is 4.8.3. Most of the time in compiling and installing software, you need a high version of GCC, otherwise you will report errors. So how to upgrade the GCC version? First, confirm […]