Linux

This article records the operational records of Linux-related networks in daily work.NC commandUsing the Telnet command in Windows to determine if the remote port is open properly, using NC in Linux can also be a better way to achieve our goal.1, to

command format and directory processing command LScommand format : command [- options ] [ parameters ]For example : ls-la/etcDescription :1) Individual command use does not follow this format2) when multiple options are available, they can be

I will try to write this article with the simplest and clearest ideas.The so-called memory addressing is the process of translating from the address written in the instruction to the actual physical address. Because the operating system has to take

> Standard correct output redirection usage example Find/etc-name *network* >/tmp/findresult.txt2> standard error Output redirection usage example: LS wrong/2>/tmp/wro  ng.txt&> correct and wrong full redirect output find/-name root

New User group: Groupadd Groupadd [-G GID] Group name No-G is created according to the system default GID group, like the user, GID is also starting from 500 Delete user group: Groupdel Groupdel Group Name

Cenos Build a git serverAssuming you already have sudo access to the user account, below, formally start the installation.First step, install git :# yum Install gitThe second step is to create a git user to run the git service:# AddUser gitThe third

Folder delimiter, Windows is "/", Linux is "\", according to the program, need to modify Run the *.pro file through bash, seemingly can only run without parameters, parameters need to write to the file IDL files cannot be in uppercase, there

Create an RHEL7 system image for OpenStack, openstackrhel7 Create the RHEL7 system image used by OpenStack, set the image, and install XRDP for remote access. 1. Install the RHEL7.2 client in KVM; 2. Set the NIC to dhcp and onboot = yes so that the

How does centos update yum sources and centos update yum sources? In fact, these things should be clearly written as soon as they are completed. They have been written for a long time. Maybe they have not been written in some places. I hope to see

Common LInux learning commands ls and linux Common commands ls Command Format and directory Processing Command ls   Command Format:Command [-Option] [parameter]   For example:Ls-la/etc   Note:   1) Some commands do not follow this format   2) when

CentOS7 is set to boot directly into the command line interface, centos7 directlyTo query the centsos settings online, go to the command line interface and change the ": id: 5: initdefault:" in the/etc/inittab file to ": id: 3: initdefault: ", the

CentOS7 configuration log (VirtualBox) CentOS-Minimal version 1. Install CentOS in VirtualBox. Create a VM Download CentOS, put the disk into the disk, start the VM, and install it as prompted (1 GB memory, 10 Gb hard disk or above recommended)   2.

Linux Command learning notes Basic File Operations Ls, rm, mv, ln Ls Ls [option] [files] List the contents of the current working directory without Parameters $ Ls Lists the contents of a specified directory. Ls dir1 Or a few files Ls

How to mount iso files in Ubuntu Suddenly I found that Ubuntu 15.10 using Virtualbox virtual had a problem. So I wanted to reinstall Virtualbox Guest Additions, but there was a problem with mounting from the menu, so I tried to mount it with the

Linux Command-grep for file text operations File text operations Grep Search for text lines that meet the Regular Expression Conditions in the file Cut Intercepting specific fields in a file Paste

Modify the host name in Linux There are two ways to modify the host name in Linux,Effective immediately(Restart to restore to the original status) andEffective after restart. Effective immediately use the command hostname + host name. For example,

Use SMTP proxy to send emails in Linux If you want to send emails under Linux without an independent domain name host, you cannot send emails to the outside. Therefore, we can solve this problem with a single issue. In short, we use Linux as a

Linux Tutorial: Set the GRUB menu Password OS: RHEL6.4-64 By default, after the operating system is started, press any key to go To the GRUB menu editing page. To set a password for the GRUB menu, modify the/etc/grub. conf file (/boot/grub.

Use iptables for local port forwarding in Linux Port 16688 of the local machine is not open. How to Use iptables in Linux to forward the local port to an opened port is as follows: 1. view port usage [Root @ bkjia ~] # Netstat-ntalActive Internet

Configure DNS in CentOS 6.5 Configure DNS in CentOS 6.5 Install bind # Mount-o loop/root/Downloads/CentOS-6.5-x86_64-bin-DVD1.iso/mnt/DVD# Cd/mnt/DVD# Cd Packages# Ll | grep bind-R -- 2 root 4171112 Aug 28 2013 bind-9.8.2-0.17.rc1.el6_4.6.x86_64.rpm-