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- The centos7 system cannot ping the external network
- The solution to the problem that the centos7 system cannot ping the external network is: 1. First, execute the [vim /etc/resolv.conf] command to add DNS; 2. Then, execute the [route add default gw 192.168.11.1] command to add a route. Can.
- CentOS 4674 2020-03-16 14:45:41
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- Centos7 system cannot automatically obtain IP address through dhcp
- The solution to the problem that the centos7 system cannot automatically obtain the IP address through dhcp is: 1. First, open the ifcfg-nes33 configuration file and modify the configuration [ONBOOT=yes]; 2. Then, execute the [service network restart] command.
- CentOS 4965 2020-03-16 14:37:13
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- The difference between centos6 and 7
- The difference between centos6 and 7 is: 1. centos6 uses INIT technology to start the process, and centos7 uses systemd technology to start the process; 2. centos7 uses the ip command instead of ipconfig; 3. centos7 has a new hostname management tool hostnamectl.
- CentOS 5522 2020-03-16 14:28:19
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- How to install gcc in centos6.5 system
- The method to install gcc on centos6.5 system is: 1. First, execute the su command, enter the password, and become the root user; 2. Then, execute the yum command to install gcc online, such as [yum install gcc].
- CentOS 6291 2020-03-16 14:19:50
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- Centos6.5 system cannot access the Internet
- The method to solve the problem of centos6.5 system being unable to access the Internet is: 1. First, ensure that the network connection is working in NAT mode; 2. Then, modify the DNS address in the resolv.conf file; 3. Then, modify the virtual machine network configuration; 4. Finally, restart the network service.
- CentOS 4008 2020-03-16 11:53:25
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- The centos6.5 system cannot ping the external network
- The solution to the problem that the centos6.5 system cannot ping the external network is: 1. First, check the network card settings to ensure that the IP address and GATEWAY are in the same network segment; 2. Then, check whether the routing and firewall settings are correct; 3. Finally, set dns server is enough.
- CentOS 4272 2020-03-16 11:38:34
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- What to do if Chinese garbled characters appear in centos6 system
- The solution to Chinese garbled characters in the centos6 system is to modify the default character set configuration to the Chinese character set, such as [LANG="zh_CN.GBK" SUPPORTED="zh_CN.UTF-8:zh_CN:zh"].
- CentOS 3571 2020-03-16 11:29:23
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- How to check whether the centos system version is 32-bit or 64-bit
- The way to check whether the centos system version is 32-bit or 64-bit is to check by executing the [uname -a] command. If there is x86_64, it is 64-bit, if not, it is 32-bit; if it is X686 or X86_64, the kernel is 64-bit, if it is i686 or i386, the kernel is 32-bit.
- CentOS 4244 2020-03-16 11:16:52
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- The difference between 32-bit and 64-bit centos systems
- The difference between 32-bit and 64-bit centos systems is: 1. The 32-bit system is mainly released for PCs, and the 64-bit system is mainly aimed at large-scale scientific calculations; 2. The 64-bit system can only be installed on 64-bit hardware systems; 3. 64-bit The system addressing space is larger, and the 32-bit system addressing space is small.
- CentOS 5498 2020-03-16 10:59:20
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- How to mount a CD in centos
- The method of mounting a CD in centos is: 1. Execute the [mkdir cdrom] command to create a new folder; 2. Then execute the [mount -y iso9660 -o ro /dev/cdrom /root/cdrom] command to mount it.
- CentOS 5252 2020-03-14 17:28:19
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- How to start mysql service in centos
- The method of starting the mysql service in centos is: 1. Start by executing the service command, such as [service mysqld start]; 2. Start through the service management script, such as [/etc/init.d/mysqld start].
- CentOS 8520 2020-03-14 17:16:07
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- How to delete files in centos7
- The method to delete files in centos7 is: 1. First, execute the [sudo] or [su] command to enter the root mode; 2. Then, execute the [rm] command to delete it, such as [rm -r+directory/file name], which means Recursive deletion.
- CentOS 19075 2020-03-14 17:07:21
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- How to uninstall software on centos
- The method to uninstall software on centos is: you can uninstall it by executing the [yum] command, such as [yum remove tomcat]. yum is a shell front-end package manager in centos that can automatically download and install RPM packages from a specified server.
- CentOS 6713 2020-03-14 16:57:08
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- How to restart centos
- Centos restart method: 1. Execute the [reboot] command to restart; 2. Execute the [shutdown] command to restart. For example, [shutdown -r now] means to restart immediately, [shutdown -r 10] means to restart after 10 minutes.
- CentOS 16751 2020-03-14 16:32:53
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- How to restart the network card in centos
- How to restart the network card in centos6: [service network restart]; how to restart the network card in centos7: [systemctl restart network].
- CentOS 11162 2020-03-14 16:27:05
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