centos command line network config

1. switch back to the previous directory. cd - The horizontal bar indicates the path of the previous directory. -It is actually a built-in variable $ owd. 2. replace a phrase in the previous command ^foo^bar^ The original style of this command should be !!:gs/foo/bar/ !! Indicates to execute the previous command again and use: gs/foo/bar to replace it. 3. q

How to send mail via command line in linux 1. The simplest method: Mail-s text ** @ mail.ustc.edu.cn The result of this command is to send an empty email with the title text to the mailbox, but such emails are often treated as spam emails, If you do not receive an email, we recommend that you open the recycle bin to check the information. The first method is

The firewall detects an ARP attack packet warning, the XEN command line can list all VM Nic information xevm-vif-list plus MPs queue list to determine the VMxevm-vif-list | grep-B2 quot; the MAC quot; of the ARP attack source detected on the firewall can be directly shut down after VPS is found. Xevm-shutdownname-label = VPS found above The firewall detects an ARP attack packet warning. The XEN

It is actually a few simple commands.(1) Mount and delete a USB flash driveAfter the USB flash drive is inserted, the command line will display and respond. Use$ Fdisk-lView all partitions and drive lettersThen$ Mkdir/mnt/usbCreate a directory to be mounted.My USB flash drive is always set to sda by default, so my mount command is:$ Mount/dev/sda/mnt/usbThe

-delete.conf # # Terminal gettys are handled by/etc/init/tty. conf and/etc/init/serial. conf, # With configuration in/etc/sysconfig/init. # # For information on how to write upstart event handlers, or how # Upstart works, see init (5), init (8), and initctl (8 ). # # Default runlevel. The runlevels used are: #0-halt (Do NOT set initdefault to this) #1-Single user mode #2-Multiuser, without NFS (The same as 3, if you do not have networking) #3-Full multiuser mode #4-unused #5-X11 #6-reboot (Do NO

It depends on the configuration in the inittab file. The file is located in The etc directory. # Vi/etc/find the following statement: # Defaultrunlevel. TherunlevelsusedbyRHSare: #1 ndash; Singleusermode nbs enter the graphical interface after startup or enter the command line depends on the configuration in the inittab file. The file is located in The etc directory. # Vi/etc/ Find the following statement

Tags: required oracle Security user nameIn the early days of the National Day, Oracle 11 was installed on CentOS 6.5 to test colleagues, and what was used was normal. Before the festival I take a day off, call me that the system in the machine can not log in from the command line, enter the user name password, and then jump to the login interface, had to push to

Label:sudo sh-c "yum install httpd httpd-devel mysql mysql-server mysql-devel php php-mysql php-common php-gd php-mbstring php- MCrypt Php-devel php-xml-y; Service mysqld start mysql_secure_installation service mysqld Restart service httpd start chkconfig httpd on chkconfig mysqld on iptables-i input-p tcp-m TCP--dport 80-j acce PT /etc/init.d/iptables Save "CentOS, Fedora, or Red hat line

Windows Network Command line program C:\>nslookup www.jb51.net Server:www address:192.168.5.8 Non-authoritative Answer: Name:www.jb51.net address:202.103.69.64 This section includes: Shi Use Ipconfig/all to view configuration Use Ipconfig/renew to refresh the configuration For DHCP-enabled Windows 95 and Windows 98 customers, use the release and renew options for

The CentOS 7 system is somewhat different from the previous centos6, so how do you view the network connection in CentOS 7? A friend who needs to know can come and see it with a small weave. Always use the ifconfig command to view network connections in

, including statistics on TCP, UDP, ICMP, and IP addresses. 6. Check the ARP binding (Dynamic and Static) list. All the computers connected to me are displayed.ARP- 7. On the proxy server sideBind IP addresses and MAC addresses to prevent IP address theft in the LAN! :ARP-s 192.168.10.59 00-50-ff-6c-08-75Unbind the IP address of the NIC from the MAC address:ARP-d nic ip Address 8. Hide your computer on the network neighbor (to make people invisible to

Although most Linux distributions now have GUI Network Management configurations, it is helpful to be familiar with the command line tool. Let's take a look at the common commands below these popular Linux distributions. By the way, if you want to know the details of the tool and options, you can enter man and enter the Tool Name to access its man page. Open your

1, Command: ifconfig (if there is no IP addr=***** option) indicates that no IP address is configured2, at the command prompt, edit the VI space/etc/sysconfig/network-scripts/ifcfg-eth0 after it appears as:650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/73/5C/wKiom1X7cFOiCBydAAFOwgJPm8o055.jpg "title=" Qq20150918095829.png "alt=" Wkiom1x7cfoicbydaafowg