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- centos cannot access external network
- The solution to centos being unable to access the external network is: 1. Execute the [vim /etc/resolv.conf] command to open the resolv.conf configuration file; 2. Execute the [route add default gw 192.168.1.1] command to add a route.
- CentOS 2711 2020-03-18 16:43:21
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- How to check memory in centos
- How to check the memory in centos: Use the free command in the terminal to check the memory. The free command will display memory usage, including physical memory, virtual swap file memory, shared memory segments, and buffers used by the system core.
- CentOS 12748 2020-03-18 16:31:03
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- centos cannot resolve domain name
- The solution to CentOS's inability to resolve the domain name is: 1. First, add the dns settings at the end of the /etc/sysconfig/network-scripts/ifcfg-eth0 file; 2. Then, execute the [service network restart] command to restart the network card.
- CentOS 4441 2020-03-18 16:27:56
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- centos cannot enter the desktop system
- The solution to centos being unable to enter the desktop system is: 1. Execute the [yum groupinstall "GNOME Desktop" "Graphical Administration Tools"1] command to install the Gnome package; 2. Update the system's run level.
- CentOS 4181 2020-03-18 16:19:12
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- centos cannot connect to the database using localhost
- The solution to the problem that centos cannot connect to the database using localhost is: 1. Check the location of the socket file of mysql on the local machine; 2. Open the php configuration file, find [mysql.default_socket], and change its value to the socket path.
- CentOS 3526 2020-03-18 15:55:19
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- centos7 cannot connect to the Internet
- The solution to centos7 being unable to connect to the Internet is: 1. First, enter the /etc/sysconfig/network-scripts directory; 2. Then, open the configuration file and modify the [ONBOOT=no] configuration; 3. Finally, restart the network service.
- CentOS 4433 2020-03-18 15:43:01
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- centos cannot start normally
- The solution to centos failing to start normally is: 1. First, enter the root password to enter the repair mode; 2. Then, execute the [fsck -y /dev/sda2] command to repair the system files; 3. Finally, restart the system.
- CentOS 4813 2020-03-18 15:31:42
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- centos cannot start tomcat
- The solution to the problem that centos cannot start tomcat is: 1. Execute the [vi /etc/profile] command to open the configuration file and modify the environment variables; 2. Set the jdk environment variable and add the configuration [export PATH=$JAVA_HOME/bin:$PATH] .
- CentOS 2718 2020-03-18 15:22:50
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- Unable to use ifconfig command after centos mini-installation
- The solution to the inability to use the ifconfig command after centos minimal installation is: 1. Execute the [yum provides ifconfig] command; 2. Execute the [yum install net-tools] command to install related tools.
- CentOS 2484 2020-03-18 14:52:46
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- centos cannot update using yum command
- The solution to the problem that centos cannot be updated using the yum command is: 1. Start the network card; 2. Switch to the root user when executing the yum command; 3. Open the network card configuration file of ifcfg-ens33 and modify the value of the parameter [ONBOOT] to yes. .
- CentOS 2347 2020-03-18 14:38:25
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- Unable to boot windows7 after installing centos
- The solution to the problem that Windows 7 cannot be booted after installing centos is: 1. First, execute the [sudo vi /boot/grub2/grub.cfg] command to open the grub.cfg file; 2. Then, modify [grub.d/30_os-prober] Just configure it.
- CentOS 3149 2020-03-18 14:26:50
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- centos cannot connect to mysql remotely
- The solution to the problem that centos cannot connect to mysql remotely is: 1. First, execute the [firewall-cmd --zone=public --add-port=3306/tcp --permanent] command to open port 3306; 2. Then restart the firewall.
- CentOS 2058 2020-03-18 14:12:51
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- centos system cannot start
- The solution to the problem that the centos system cannot start is: 1. Enter the root password and prepare to repair the partition; 2. Execute the [fsck /dev/mapper/xxx/x] command to repair the partition; 3. Restart the system after the repair is completed.
- CentOS 3758 2020-03-18 14:03:03
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- How to solve CentOS prompt about insufficient permissions
- When executing a file, CentOS prompts that the permissions are insufficient because the file does not have execution permissions. The solution is to use the chmod 777 <file name> command to add execution permissions to the file.
- CentOS 25109 2020-03-18 13:20:28
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- What should I do if CentOS prompts that the command cannot be found?
- Solution to CentOS prompt that the command cannot be found: 1. If a certain command cannot be found, it means that the corresponding software package is not installed. Just use yum install <software name> to install it; 2. If all commands cannot be found, it means PATH If the variable is wrong, just reconfigure it.
- CentOS 7531 2020-03-18 12:25:41
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