Common service program configuration in Linux

Article Title: common service program configurations in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

NFS:

Nfs composition: rpc. portmapper, rpc. nfsd, rpc. mountd

Nfs installation: sudo aptitude install nfs-kernel-server or nfs-user-server

Start and stop nfs: sudo/etc/init. d/nfs-kernel-server restart | stop | start

Nfs check: ps ax | grep nfsd ps-aux | grep portmap

Nfs configuration: in the/etc/exports file

/Usr 192.168.1.100 (rw)/home/xp 192.168.1.12 (rw, sync) * (ro, async)

Option description:

No_root_squash remote root users have full access permissions to the nfs Directory

Rw read/write, default ro read-only sync Synchronization

Configuration check: exportfs-rv

Client:

View NFS shared content: showmount-e server host name or ip address

Installation: sudo mount 192.168.1.100:/home/share/mnt/nfsdir

Uninstall content: sudo umount/mnt/nfsdir

FTP: port: 21

Install: sudo aptitude install vsftpd

Start and stop: sudo/etc/init. d/vsftd start | stop | restart

Configuration File:/etc/vsftpd. conf

PAM Configuration:/etc/pam. d/vsftpd

User Access Control:/etc/vsftpd. ftpusers local user static login/etc/vsftpd. user_list

Set the idle session interruption time: idle_session_timeout = 600 (second)

Set the idle data connection interruption time: data_connection_timeout = 120

Set the automatic disconnection and activation connection time when the client is idle: accept_timeout = 60 connect_timeout = 60

Vsftpd anonymous upload Configuration:

Anon_upload_enable = Yes

Anon_mkdir_write_enable = Yes

Anon_other_write_enable = Yes

Anon_world_readable_only = No

Configure the speed limit and the number of connections per user:

Local_max_rate

Anon_max_rate

Max_per_ip

Max_clients

Configuration Based on Local Users:

Userlist_enable = Yes

Userlist_deny = Yes

Userlist_file =/etc/vsftpd. user_list

Client operation:

Get remotefile [localfile]

Put localfile [remotefile]

Mget remote-files

Mput local-files

Lftp command:

Mirror [option] [remote [local]

-C resume

-R: Upload the entire directory

-R does not need to be recursive to the directory.

-N: only download newer files

Some service programs require xinetd: sudo aptitude install xinetd

Start xinetd: sudo/etc/init. d/xinetd reload

Test xinetd: ps ax | grep xinetd

The configuration files of xinetd are:/etc/xinetd. conf/etc/xinetd. d /.

TFTP: A non-connection UDP transfer file, which is generally used for small files to achieve simple port: 69

Install: sudo aptitude install tftpd

The installer adds a line in/etc/inetd. conf: tftp dgram udp wait nobody ......

Xinet needs to be converted to: itox-daemon_dir/usr/sbin </etc/inetd. conf

The/etc/xinetd. d/tftp file is the converted tftp segment.

/// // This part is available in tftp ////\\\\\\ \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

View server_args =/srv/tftp in the/etc/xinetd. d/tftp file, and create it manually:

Sudo mkdir/srv/tftp

Sudo chmod a + w/srv/tftp

//////////////////////////////////////// /////////\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ \\\\\\\\\\\\\

Restart xinetd to read the configuration file: sudo/etc/init. d/xinetd restart

Client:

Sudo aptitude install atftp

Atftp 127.0.0.1

TELNET: port: 23

Install: sudo aptitude install telnetd

Create a file:/etc/xinetd. d/telnet. The content is the segment converted from/etc/inetd. conf.

Restart xinetd, read the new configuration file, and activate the service.

SSH: port: 22

Install: sudo aptitude install ssh

View: sudo netstat-apn | grep ": 22"

Client Logon: ssh user @ ip Exit: logout

After login, you can use it like operating your computer

Do not log on to the other Party:

Scp localfile user @ ip:/remote_path or remote_file

Scp user @ ip:/remote_file localfile or localpath

/Etc/hosts. deny

Sudo/etc/init. d/ssh start | stop