hide ip linux ubuntu

Recently in the study of Linux, see the online many securecrt connected to the local virtual machine in the Linux system, many of them need to set up the Linux configuration file, a bit cumbersome, so I groped for a bit, the relevant operations posted out to share.SECURECRT is a terminal emulator that supports SSH (SSH1 and SSH2), simply the software that logs on

name ifconfig view IP sudo passwd root modify root password su root switch Administrator Shutdown-h now/poweroff shutdown Shutdown -R now/reboot Restart Shutdown-r + minute delay restart Ctrl+c/shutdown-c Cancel 12. CommandUsually only represents the name of the instruction or program that implements a certain kind of function, is a special program running in Linux system, and acts as a "translator"

Setting IP addresses in Linux is simple. Generally, you can use the ip command tool or directly modify the configuration file. This section describes how to configure a configuration file. Redhat series (CentOS Redhat ): You must modify three files and then restart the network. The first file: IP configuration file.

The next system was reinstalled yesterday and found that the Linux system IP addresses installed in the virtual machine were reassigned and did not start to feel anything, but the plan to connect the SOLR cluster in the virtual machine was found to be tragic because of the SOLR cluster that was built using zookeeper, In the Zookeeper configuration file, the IP ad

various action commands as strings; press ENTER to end the command input and executeOne by one . View System Information commands Command Description Uname-r View System kernel At/proc/cpuinfo View CPU Cat/proc/meminfo View Memory Hostname View Host Name Ifconfig View IP sudo passwd root Change root password

1. IntroductionEnvironment: Ubuntu version is 12.04, virtual machine is Oracle Vm VirtualBox2. DescriptionRequirements: now has an Ubuntu system installed, the network configuration is the default choice bridge, can surf the internet, the physical machine can connect the virtual machine operating system;Now you need to install one more, but do not want to bother to install again, so copy one copy, select th

IptrafThe Iptraf is an interactive, brightly colored IP LAN monitoring tool. It can display the amount of data transferred between each connection and the host. Here is the screen. $ sudo iptraf Install Iptraf: # Centos (Basic software Library) $ yum Install Iptraf # Fedora or CentOS (with Epel) $ yum Install Iptraf-ng-y # Ubuntu or Debian $ sudo apt-get install Iptraf iptraf-ng

Update-Simple, rough. The Local Area network update setting method is the same as the Internet update setting (set by command).Not the same place is 3, the "2, modify the update source " inside the content replaced with the following content ", the modified content is not the same, the IP address for the company server IP:After setting up the local Area network update source, we can update the system and application using the graphical interface or t

To modify the network card command: Ifconfig eth0 192.168.0.3 netmask 255.255.255.0⚠️ temporarily modify IP effective, if you want to restart after still effective, you can modify the network card configuration file. To reboot the network card command: CentOS: sudo service network restartUbuntu: sudo/etc/init.d/networking restart NIC configuration file: CentOS: Modifying/etc/sysconfig/network-scripts/ifcfg-eth0 Device=eth0 #网卡对应的设备别名 bootproto=st

will no longer be able to obtain any maintenance updates and security patches from Canonical. At the time of writing this article, Ubuntu 13.04 (eager raccoon) has reached its lifecycle. If your Ubuntu system has ended its lifecycle, you will get the following Error 404 from apt-get or aptitude because its repository has been abandoned. W:Failed to fetch http://us.archive.ubuntu.com/

Today, when you practice the Linux command line suddenly, you want to contact the Linux command line in window. After some Dudu found a good tool (securecrt--meaning safe) is to use SSH link to the Linux host. Recommended for everyone to use. After all, the window has a little song, the next small movie while practicing Linux