linux check if package installed

Because Linux installs a lot of software, there is no common way to find out if some software is installed. This is a summary of the following categories:1, RPM package installed, you can see with RPM-QA, if you want to find a package is installed,

If you are managing a Debian or Ubuntu server, you may often use dpkg or apt-get commands. These two commands are used to install, uninstall, and update packages. In this article, let's look at how to check if a package is installed under a Deb

The "preface" is explained in the blog post:This article describes the rpm command in a personal tone, including viewing installed package information and not installing RPM package information.At the current point in time "June 12, 2017 " under the

Linux software package management If we spend some time in the Linux community, we will know a lot about the class, such as which of the many Linux distributions is the best (and other issues. These discussions focus on such things, such as the most

the--rpm of Linux package managementNetwork operating system is the architecture on the underlying hardware, the current kernel has a Linux series, UNIX class, Windows series, and so on, and then up to the library call, the implementation of the

In general, there are three main methods for installing software in Linux: one is source code installation, and you need to manually compile the other is RPM packet (RedHatLinuxPacket In general, there are three main methods for installing software

In general, there are three main methods for installing software in Linux:One is source code installation, which requires manual compilation by the userThe other is the RPM package (RedHat Linux Packet Manager), which can be installed through the

Linux Study Notes (11) software package management, linux Study Notes Linux software packages include the source code package (script installation package) and Binary Package (RPM package and system default package ). The advantages of the source

There are two installation failures that are caused by dependent library version issues:1, because the source needs to be updated, the following actions:Libssl-dev: dependent: libssl0.9.8 (= 0.9.8o-1ubuntu4) But 0.9.8o-1ubuntu4.4 is about to be

Install the RPM package or the source package Chapter 2 InstallRPMPackage or install the source package It is easy to install a software in windows. You only need to double-click the .exe file, and the installation prompt is "Next". However,