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- What is uuid in centos
- The uuid in centos is a universal unique identification code. It refers to a number generated on a machine. It is guaranteed to be unique to all machines in the same time and space. We can view the UUID of the hard disk by executing the [ls -l /dev/disk/by-uuid] command.
- CentOS 4890 2020-05-22 09:43:45
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- How to partition during centos installation
- The method for partitioning during centos installation is: 1. For the boot partition, it is recommended to choose a space of 100M-500M, and the partition format is ext4; 2. For the root partition, it is recommended to choose a space of more than 15G, and the partition format is recommended to be ext4; 3. Swap partition , it is recommended to be 2 times the physical memory size, and the partition format is swap.
- CentOS 6148 2020-05-22 09:21:11
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- What should I do if centos cannot be started after installing CentOS from a USB flash drive?
- The solution to the problem that centos cannot be started after installing centos on a USB disk is: 1. Switch to the root user and enter grub mode; 2. Find the boot media; 3. Edit the grub.conf configuration file and modify [(hd0,0)]; 4. Restart the system.
- CentOS 4328 2020-05-22 09:08:05
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- What should I do if Chinese garbled characters appear in tomcat under centos?
- The solution to Chinese garbled characters in tomcat under centos is: 1. Set the locale of the current system to Chinese; 2. Edit the server.xml file and modify the configuration [URIEncoding="UTF-8"]; 3. Set the characters for mysql .
- CentOS 2018 2020-05-21 16:02:24
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- How to check whether java is installed in centos
- The way to check whether java is installed in centos is to use the [java -version] command to check. If the output information shows the jdk version number, it means java is installed. You can also view it through the rpm command. The specific command is [rpm -qa|grep java].
- CentOS 5087 2020-05-21 15:44:41
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- What should I do if the Chinese name of a file uploaded using ftp in centos7 is garbled?
- The solution to the garbled Chinese name of files uploaded using ftp in centos7 is: 1. Execute the [yum groupinstall chinese-support] command to install the Chinese language pack; 2. Edit the configuration file and modify the configuration [zh_CN.UTF-8]; 3. Restart the system .
- CentOS 4545 2020-05-21 15:31:32
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- What to do if ssh cannot connect to centos7
- The solution to the problem that ssh cannot connect to centos7 is: 1. Execute the [rpm -qa | grep ssh] command to check whether sshd is installed. If not, install it; 2. Execute the [service sshd restart] command to restart the ssh service; 3. Set The ssh service starts automatically after booting.
- CentOS 2947 2020-05-21 09:51:24
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- How to configure network connection in centos
- The method for configuring network connection in centos is: 1. Set vmware to NAT mode, and set the subnet IP and gateway IP; 2. Edit the ifcfg-ens33 network card configuration file and set [BOOTPROTO=dhcp] and [ONBOOT=yes]; 3. Restart the network card.
- CentOS 8693 2020-05-21 09:38:34
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- What should I do if nginx cannot be accessed under centos?
- The solution to the problem that nginx cannot be accessed under centos is: 1. Execute the [firewall-cmd --permanent --add-port=80/tcp] command to open port 80; 2. Execute the [firewall-cmd --reload] command to restart the firewall.
- CentOS 2971 2020-05-20 15:28:58
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- How to check system version information in centos
- The method for checking system version information in centos is: 1. Check the system version file name through the [ll /etc/*centos*] command; 2. Check the system version number through the [cat /etc/centos-release] command.
- CentOS 3691 2020-05-20 15:13:33
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- How to switch from ordinary user to root user in centos7
- The way to switch from a normal user to a root user in centos7 is to switch by executing the [su] command. If we want to switch from the root user to a normal user, we need to execute the [su username] command.
- CentOS 7631 2020-05-20 15:03:12
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- What should I do if centos7 cannot ping the gateway under the virtual machine?
- The solution to the problem that centos7 cannot ping the gateway under the virtual machine is: 1. Change the network connection mode to NAT mode; 2. Edit the network card configuration file and configure static IP, gateway and subnet mask; 3. Configure DNS; 4. Restart the network card.
- CentOS 3923 2020-05-20 14:47:48
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- How to compile c language code in centos
- The method for centos to compile C language code is: 1. Execute the [yum -y install gcc.x86_64] command to install gcc; 2. Use the gcc compiler to compile the C language program. The specific command is such as [gcc test.c], which means test. c file is compiled into an executable file.
- CentOS 8219 2020-05-20 14:27:58
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- What should I do if centos7 cannot access the Internet?
- The solution to the problem that centos7 cannot access the Internet is: 1. Execute the [ifconfig] command to view the network card name; 2. Execute the ls command to view the network card configuration file name; 3. Open the network card configuration file and modify the configuration [ONBOOT=yes]; 4. Restart the network card.
- CentOS 2957 2020-05-20 14:06:31
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- What should I do if centos does not recognize the network card?
- The solution to centos not recognizing the network card is: 1. Execute the [lspci | grep -i ethernet] command to view the network card driver and download the driver; 2. Execute the [yum install] command to install the gcc compiler; 3. Install the kernel source code; 4 , Restart the network service.
- CentOS 4255 2020-05-20 13:54:32
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