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- The ifconfig command cannot be used in centos system
- The solution to the inability to use the ifconfig command in the centos system is: 1. Open the /etc/sysconfig/network-scripts/ configuration file; 2. Modify the configuration [ONBOOT=yes]; 3. Restart the network card.
- CentOS 2964 2020-03-21 14:30:29
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- What should I do if the centos system cannot start after upgrading the kernel?
- The solution to the problem that the centos system cannot start after upgrading the kernel is to execute the command [dracut --force --add-drivers mpt3sas --kver=5.3.6] to force the driver to be loaded.
- CentOS 6386 2020-03-21 14:17:58
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- How to access the Internet in centos system under virtual machine environment
- The method for centos system to access the Internet in a virtual machine environment is: 1. Change the network connection to NAT mode; 2. Open the sysconfig/network-scripts/ifcfg-eth0 configuration file and configure the DNS service address, IP address and gateway.
- CentOS 3284 2020-03-21 14:01:18
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- Garbled folder name under centos system
- The method to solve the problem of garbled folder names under centos system is: 1. Execute the [yum install convmv] command to install convmv; 2. Execute the [convmv -f GBK -t UTF-8 -r --notest ./*] command to recursively modify it file name.
- CentOS 2093 2020-03-21 13:47:46
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- Centos system cannot play videos
- The solution to the problem that the centos system cannot play videos is: 1. First, install epel, elrepo, and nux-dextop sources; 2. Then, execute the command [yum -y install gstreamer-plugins-ugly] to install the decoder; 3. Finally, restart System is enough.
- CentOS 2693 2020-03-21 11:48:36
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- What should I do if my centos system cannot connect to the external network?
- The solution to the problem that the centos system cannot access the external network is: 1. Open the /etc/resolv.conf configuration file and add dns; 2. Execute the [route add default gw 192.168.0.1] command to add a route; 3. Restart the network card.
- CentOS 4015 2020-03-21 11:39:41
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- How to delete garbled files in centos system
- The method to delete garbled files in centos system is: 1. First, execute the [ls -li] command to obtain the ID number of the garbled file; 2. Then, execute the [find . -inum 32983551 -exec rm {} \;] command to delete the garbled file. That’s it.
- CentOS 2401 2020-03-21 11:31:30
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- How to download jdk in centos system
- The method to download jdk in centos system is: 1. First, download the jdk compressed package; 2. Then, uninstall the jdk that comes with the system; 3. Then, execute the [tar -zxvf jdk-8u211-linux-x64.tar.gz] command Unzip and install; 4. Finally, configure the environment variables.
- CentOS 2216 2020-03-21 11:24:14
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- How to check whether the specified software has been installed in centos system
- The method to check whether the specified software has been installed in the centos system is: 1. Execute the [rpm -qa | grep "name of the software or package"] command to check; 2. Execute the [dpkg -l | grep "name of the software or package"] command Check.
- CentOS 3421 2020-03-21 11:11:45
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- How to check version information in centos system
- The ways to check the version information of the centos system are: 1. Check through the [uname -a] command; 2. Check through the [cat /etc/redhat-release] command; 3. Check through the [cat /proc/version] command.
- CentOS 15679 2020-03-20 18:06:14
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- How to decompress zip files in centos system
- The method for decompressing zip files in centos system is: 1. Execute the command [yum install -y unzip zip] to install tools that support zip; 2. Execute the command [unzip filename.zip] to decompress the zip file.
- CentOS 13169 2020-03-20 17:58:14
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- How to update centos system
- The method for updating the centos system is: 1. First, execute the command [yum repolist all] to check whether the software source is available; 2. Then, execute the command [yum update] to update.
- CentOS 9388 2020-03-20 17:48:25
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- How to check the version of mysql in docker
- How to check the mysql version in docker: 1. Use the "docker exec -it (mysql name, or id) bash" command to enter the mysql container. 2. After logging in to mysql, the detailed information of the mysql, including the version number, will be displayed.
- CentOS 8982 2020-03-20 17:44:27
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- How to check port occupancy in centos system
- The way to check port occupancy in centos system is: 1. Execute the command [netstat -nap] to list all ports in use and associated processes; 2. Execute the command [lsof -i :portnumber #portnumber] to check the specific port status.
- CentOS 8700 2020-03-20 17:39:21
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- How to check cpu and memory information in centos system
- How to check CPU information in centos system: execute the command [grep "model name" /proc/cpuinfo]; how to check memory information: execute the command [grep MemTotal /proc/meminfo].
- CentOS 7030 2020-03-20 17:30:29
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