Linux

Ubuntu installation. rmp software ubuntu Installation Software RPM red hat System File Installation Software in rpm format, debian series File Installation Software in deb format. for ubuntu File Installation in rpm format, first convert the file in

Return any value from the bash function. Unlike other programming languages, a Bash function is more like a subprogram, that is, its return value. It can only be a number and 0 indicates success, if the value is not 0, the operation fails. If you

Xx is not in the sudoers file solution ..... The two methods are different in command execution. The principle is actually the same as www.2cto.com Method 1: first, use the whereis command to find the directory of the sudoers configuration file (by

You often need to connect to your company's computer at home, but you need to install a SecureVPN software. In the past, I always failed to install Ubuntu, and I did not elaborate on it. I have been using my wife's Windows to connect to the

In Linux, different file name Fonts have different colors. in Linux, the file color is meaningful. In Linux, different file names are in different colors, indicating different file types. As shown in the following figure: www.2cto.com light blue:

Run the command chkconfig to start CentOS at startup. Run the command chkconfig at startup of CentOS: chkconfig 1. view the startup list: chkconfig -- list Description: all services are output. If the list does not contain the services you want to

1. preparations: Check whether the SSH service and rsync service are installed. (rsync is a remote data synchronization tool that allows you to quickly synchronize files between multiple hosts through LAN/WLAN) rpm-qa | grep openssh rpm-qa |

Part 1: Preface BackTrack5 does not seem to have the OpenOffice suite installed by default, so you need to install it yourself. of course, there are several installation methods. This article introduces one method (dpkg installation deb installation

In-depth analysis of VI editor usage in Linux 1. vi editor uses vi as a standard Linux text editing program, instead of window-based www.2cto.com multi-purpose editing program, which can be used on various terminals to edit a variety of files and

The profile in linux is like the system environment variable configuration file. You can add the following code to the end of the user's environment variable configuration file in/home/oracle /. bash_profile, where oracle is the user name. This file

Recently, I was familiar with the installation and configuration of servers under Linux CentOS, which naturally means that solutions under linux may be expanded in batches. I used to know little about it in college and now I have to study it step by

Today, the system checks the status of raid1 and finds degraded, because raid1 samba is still accessible. So I opened the chassis and checked the hard drive connection line and re-plugged the power cord.Post self-check to another hard disk.1. [root @

We should be looking for the implementation of printf, which is actually available in the linux kernel. I would like to check how to output text since linux covers the interrupt vector table? Check the printk code and find that the original printk

I have been thinking about changing win7 to ubuntu11.04, but I am reluctant to play some games. Today I want to solve the problem of drcom login on linux. The school server does not provide direct web authentication method, originally wanted to

BASH built-in Variables(1). BASHFunction: complete bash path. The default value is/bin/bash.(2). BASH_ENVPurpose: applicable only in non-interactive mode. When executing a shell script, the system first checks whether the variable has been specified

1. Install the plug-in sdcvSudo apt-get install sdcv stardict-tools2. Add a scriptGvim is perfect, because vim does not have the calltip function, so it can only split the window ......The details are as follows:In ~ /. Add these to gvimrc:Function

Heartbeat OverviewHeartbeat is a component of the Linux-HA project. Many versions have been released since 1999. It is one of the most successful examples of the open-source Linux-HA project, it has been widely used in the industry. With the

24. vi, vim text processor/Word ,? Word, dd, ndd, yy, nyy, p, P, I, Esc,: q !, : Wq,: set nuVim supports Color Display and many program syntaxes, whether C or shell scripts.The vim setting value is generally stored in the/etc/vimrc file. We

Top is definitely one of the most widely used monitoring system commands in linux.  Explain the meanings of some important parametersThe rightmost load in the first line indicates the average load of 1 minute, 5 minutes, and 15 minutes

NFS introduction: NFS is a network file system. It is mainly used in linux or unix environments. It was developed by sun and launched in 1984.NFS features: It can publish multiple directories or a single directory. For example, we can use NFS to