PKG package manager usage instance in FreeBSD

This article will explain how to PKG Manage installation packages with the help of package manager

System environment FreeBSD 12.2-RELEASE

  adopt PKG​ ​ command ​​ Search software

1. stay FreeBSD The easiest way to search for applications in is through PKG​ ​ command ​​ That's ok . Grammar format ：pkg serach [package_name], Here's the search vim Melon installation package ： [email protected]:~ # pkg search vim  

2. If you want to see which category the package belongs to , Please use -o Options , This is shown in the following example ： [email protected]:~ # pkg search -o mariadb  

  Use PKG Management software 1. Use pkg install [package_name] Command to install the package ： [email protected]:~ # pkg install -y lrzsz  

2. If you need to query the installed installation package information , Use pkg info [package_name] Options , Use the following command ： [email protected]:~ # pkg info pkg  

Be careful ： If the package is not installed in the system , be pkg info The command will show “ No matching packages ”：

3. To list FreeBSD All packages installed in , perform pkg info command , No options . Can cooperate with grep,less Wait for the command to use . [email protected]:~ # pkg info  

4. Use pkg remove [package_name] Option to remove unused packages ： [email protected]:~ # pkg remove -y lrzsz  

5. If you want to prevent the deletion or modification of installed packages , have access to pkg Ordered lock Options , As shown in the figure below . [email protected]:~ # pkg lock nginx  

You can see in the picture , Prompt that the file is locked , You can't remove every . If you need to unlock , Use pkg unlock [package_name] Command to unlock . [email protected]:~ # pkg unlock nginx nginx-1.18.0_25,2: unlock this package? [y/N]: y Unlocking nginx-1.18.0_25,2 6. To ensure that the repository and all installed software packages are the latest version or security patches , Use pkg update Update warehouse , Use pkg upgrade Upgrade to the latest version . [email protected]:~ # pkg update [email protected]:~ # pkg upgrade -y  

7. To display information about remote repositories and locally installed programs , For example, how many software packages are installed in the system and how much disk space is occupied by the installed software , Please execute the following order . [email protected]:~ # pkg stats  

8. To remove all dependent packages left behind by installed packages in the system , Use the following command ： [email protected]:~ # pkg autoremove -y  

9. If you need to delete the cache of the download installation package , have access to pkg clean -a -y Command to automatically clear , Use... Before running pkg clean -a -n Give it a trial run . [email protected]:~ # pkg clean -a -n  

    [email protected]:~ # pkg clean -a -y  

  summary This article is about how to PKG Manage installation packages with the help of package manager