Nbsp; rpm-q: Check if the software package has been installed rpm-qa: query and display the details of the software package installed in the system rpm-qi: query the detailed information of a specified software package rpm-ql: query the file list included in the specified software
package this file was installed in, and F is the 1th letter of file. For example, the command that lists the package that installs the/bin/tar file is: Rpm–qf/bin/tarRPM–QI Package Name: Displays the information for this package, I is the 1th letter of the information (message). For example: List the commands that tar-1.14-10.rhel4 the details of this package: Rpm–qi tar-1.14-10.rhel4RPM–QL Package Name: Lists all the files contained in this package,
The Yum (Yellow dog Updater, Modified) was developed by the Duke University team, who modified Yellow dog Yellow, a software based on RPM package management, which is a character front-end package manager. The ability to automatically download RPM packages from the specified server and install them, can handle dependencies, and install all dependent packages at o
, each # indicates 2% rpm-v: displays the installation details rpm-vv: More detailed information rpm-ivh: usually used in combination with rpm -- nodeps: Ignore dependencies. Rpm -- replacepkgs | repackage: reinstall and replace the original installation. Rpm-ivh -- oldpackage: downgrade the installation. Rpm-ivh -- force: Forced installation. You can reinstall or downgrade the rpm -- test: only test whether there is any dependency. (2) run the rpm software
--nodeps: Ignore dependencies during installation, which may cause the installed software to be unusable--replacepkgs: Reinstall, replace the original installation--replacefiles: This option can be overridden during installation if an installation file already exists.--force: Forced installation, can be re-installed or degraded installationSecond, RPM package queryPreviously said RPM package in the installation will generate a database file, this file
Selectively update a specific category/software package and ignore other classes/software packages
By letting emerge -- Sync exclude individual classes/software packages during rsync executionYou need to assign the -- exclude-from variable a file name in/etc/make. conf, wh
version changes: a sub-function changes significantly. Release Number: fixed some bugs, adjusted a little bit of function 2, detailed usage of Rpm commands (1), RPM software installation command: rpm-I/PATH/TO/PACKAGE_FILE: installation package rpm-h: TO # display the installation progress, each # indicates 2% rpm-v: displays the installation details rpm-vv: more detailed information rpm-ivh: usually used in combination with rpm -- nodeps: ignore dep
sum of values in one of the output columns of a command on the terminal,
The output of the 'LS-l' command.
$ ls -l
Note that the second column indicates the number of soft connections, and the fifth column indicates the file size. Suppose we need to summarize the values in the Fifth Column.
Only list the content in the Fifth Column. We will use the 'awk' command to do this. '$ 5' indicates the Fifth Column.
$ ls -l | awk '{print $5}'
Now, use
Answer YesYum-y Remove Package name when it does not existYUM-Y Update package NameYum list queries All packages that can be installedCD as a Yum Source:1cd/etc/yum.repos.d/MV Centos-base.repo Centos-bs.repo.bak2mount/dev/hdc/mnt/cdrom3vi/etc/yum.repos.d/centos-media.repobaseurl=file:///mnt/cdrom/specifying the Yum source locationEnabled=1yum source file in effectGPGCHECK=0RPM validation does not take effe
Http://blog.51osos.com/linux/ubuntu-apt-cache-search-package/
Goface explains how to find available software packages in Ubuntu and Linux systems with the same package management. On Ubuntu, you generally use apt-get to install software. If you want to check whether there is any package of software in a repository, you
In Linux, the dependency between software installation packages is a headache,
Yum can automatically download and install the RPM package from the specified server. It can automatically process dependencies and install all dependent software packages at a time without the need for tedious download and installation.
* Y
functionality: directly installing software online through FTP sites. When you find a site that contains the software you need and connect to this site, execute the following command to achieve online installation, such as online installation of Linux-1.4-6.i368.rpm, you can use the command:
Rpm-I ftp://ftp.pht.com/pub/linux/redhat/...-1.4-6.i368.rpm
7. When we use computers, we will inevitably encounter m
Use the image processing software written in C ++ by yourself (do not call external packages)
What do you think of when it comes to image processing software? Photoshop? CorelDRAW? Meitu xiuxiu? Or ACDSee's image editing module?
What do you think of when it comes to implementing digital image processing algorithms? Matlab? OpenCV?
Can I write a small image proces
New friends in the Linux world, maybe you have downloaded the Linux installation ISO and installed your Linux, then you may want to install some software for Linux. In the beginning, you may use the software center of the graphic interface to install it. Sometimes you also need to use the command line to install it, or even compile a binary program by yourself. mdash; it's amazing. Today we will talk about
New friends in the Linux world, maybe you have downloaded the Linux installation ISO and installed your Linux, then you may want to install some software for Linux. In the beginning, you may use the software center of the graphic interface to install it. Sometimes you also need to use the command line to install it, or even compile a binary program by yourself. mdash; it's amazing. Today we will talk about
In the maintenance of Linux systems, dependency between Linux software packages is a headache. For example, if you want to install software package A, you are prompted to install software package B before installing software package A. When you install
Article Title: install three major software packages: rpm1_tar.gz1_tar.bz2. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source and other basic categories 1. Install using RPM software packages
When talking about
This article describes how to maintain the software packages on the IBM SmartCloud Enterprise, using an example to capture a new private image with a preinstalled package and use it on a Linux virtual machine. You should have a basic understanding of cloud computing concepts. To try the steps in this article, you need an IBM smartcloud Enterprise user account.
In IBM SmartCloud Enterprise Management, part
1. the RPM Package is used to install the RPM (REDHATPackageManagement) standard software package. you may think of the famous REDHAT company, which is the author of the RPM software package.
1. use the RPM software package to install
When talking about RPM (REDHAT Package Management) standard software
Linux: Install software packages on Ubuntu and Fedora
New friends in the Linux world, maybe you have downloaded the Linux installation ISO and installed your Linux, then you may want to install some software for Linux. In the beginning, you may use the software center of the graphic interface to install it. Sometimes y
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