Home > Article > Operation and Maintenance > How to solve the problem of failure to start dhcp in centos
First let’s take a look at the process of installing DHCP:
1. Create a folder to mount the CD image
mkdir /mnt/cdrom
2. Mount the image
mount /dev/cdrom /mnt/cdrom
3. Modify the yum configuration file
vim /etc/yum.repos.d/CentOS-Media.repo
Modify the baseurl to the previous CD image mount point
gpgcheck =0 关闭自检 enable=1 启动
4. Rename CentOS-Base.repo to CentOS-Base.repo_back to invalidate network yum
mv CentOS-Base.repo CentOS-Base.repo_back
5. Modify the DHCP configuration file
vim /etcdhcp/dhcpd.conf
in Before this, I had been referring to books and methods to modify the configuration file, but it failed when I finally turned on the DHCP server.
Solution process:
I saw the sentence "see /user/share/doc/dhcp*/dhcpd.comf.sample" in the DHCP configuration file, so I went in I checked
cat /user/share/doc/dhcp*/dhcpd.comf.sample
, which is full of comments. But there is a similar content in the configuration file, as follows:
There is no following configuration in it:
ddns update-style interim; igmore client-updates;
So
in the configuration file is changed
ddns update-style interim; igmore client-updates;
Delete.
Restart DHCP again
Successfully.
Recommended related tutorials: centos tutorial
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