php editor Zimo will introduce you to the detailed steps of CentOS SFTP installation and CentOS installation FTP. SFTP is a secure file transfer protocol that allows files to be transferred securely over the network. CentOS system is a commonly used Linux distribution. This article will provide you with how to install SFTP and FTP on CentOS system. Whether you need to transfer files on a server or build a file sharing platform, this article will provide you with detailed installation and configuration guides to ensure you can successfully complete the installation process.
We need to install the OpenSSH package, which is necessary to provide SFTP service, in the terminal Execute the following command to install OpenSSH:
```
sudo yum install openssh
Next, we need to create a dedicated For the user used for SFTP access, execute the following command to create a new user:
sudo adduser sftpuser
You need to set a password and fill in other relevant information.
We need to modify the OpenSSH configuration file to enable the SFTP service, open the `/etc/ssh/sshd_config` file, and find the following line:
#Subsystem sftp /usr/libexec/openssh/sftp-server
Change it to:
Subsystem sftp internal-sftp
Add the following content at the end of the file:
Match User sftpuser
ForceCommand internal-sftp
ChrootDirectory /home/sftpuser
PasswordAuthentication yes
X11Forwarding no
AllowTcpForwarding no
Save and close the file.
Execute the following command to make the configuration changes take effect:
sudo systemctl restart sshd
Your CentOS server has been configured with the SFTP service, You can use an SFTP client to connect to the server and use the newly created user for file transfers.
On CentOS, we can use the vsftpd (Very Secure FTP Daemon) software package to install the FTP service. Execute the following command to install vsftpd :
sudo yum install vsftpd
Next, we need to modify the vsftpd configuration file to set the relevant parameters of the FTP server, open `/etc/vsftpd/ vsftpd.conf` file and make the following changes as needed:
- Set `anonymous_enable` to `NO` to disable anonymous access.
- Set `local_enable` to `YES` to allow local users to access FTP.
- Set `write_enable` to `YES` to allow users to upload files.
- Set `chroot_local_user` to `YES` to restrict users to their home directory.
Execute the following command to start the vsftpd service:
sudo systemctl start vsftpd
Your CentOS server has the FTP service installed and configured , you can use an FTP client to connect to the server and perform file transfers.
In the Linux system, there is a very useful command called `grep`. The `grep` command is used to search for a specified pattern in a text file and return the matching lines. , if you want to find all lines containing the keyword "CentOS" in a file, you can use the following command:
grep "CentOS" filename
This will return all lines containing the keyword " CentOS" line, the `grep` command also supports regular expressions, which can search and match text more flexibly.
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