current location：Home > Technical Articles > Operation and Maintenance > CentOS
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
-
- 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 12844 2020-03-18 16:31:03
-
- 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 4608 2020-03-18 16:27:56
-
- 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 4270 2020-03-18 16:19:12
-
- 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 3623 2020-03-18 15:55:19
-
- 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 4536 2020-03-18 15:43:01
-
- 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 4886 2020-03-18 15:31:42
-
- 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 2794 2020-03-18 15:22:50
-
- 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 2566 2020-03-18 14:52:46
-
- 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 2417 2020-03-18 14:38:25
-
- 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 3296 2020-03-18 14:26:50
-
- 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 2125 2020-03-18 14:12:51
-
- 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 3985 2020-03-18 14:03:03
-
- 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 25219 2020-03-18 13:20:28
-
- 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 7615 2020-03-18 12:25:41
-
- What to do if the CentOS console is garbled
- The solution to CentOS console garbled characters: first modify the locale.conf file and change LANG to zh_CN.GB18030; then reopen the console.
- CentOS 3257 2020-03-18 12:08:11
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
