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lx103:managing_software [2024/04/28 05:59]
114.119.137.174 old revision restored (2024/01/24 06:32)
lx103:managing_software [2024/05/14 14:29] (current)
114.119.138.183 old revision restored (2023/10/22 22:47)
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-======Package Management====== +====== RPM ======
-Is controlling software (Packages) in a Linux environment. +
----- +
-**RPM / YUM / DNF** present on: +
-  *Redhat +
-  *CentOS +
-  *Fedora +
-  *Suse +
- +
-**apt-get / dpkg** present on: +
-  *Debian +
-  *Ubuntu +
-  *Mint +
- +
-===== RPM Package Management=====+
 Redhat Package Manager -- now recursive -- RPM Package Manager -- after being adopted by multiple distros. Redhat Package Manager -- now recursive -- RPM Package Manager -- after being adopted by multiple distros.
  
 Package file naming conventions (NOT A REQUIREMENT): Package file naming conventions (NOT A REQUIREMENT):
-  * //packagename-a.b.c-x.arch.rpm// +//packagename-a.b.c-x.arch.rpm// 
-    * **Package Name** - name of package, like.. samba +
-    * **Version Number** - (a.b.c) this is the package version number like 3.6.5 -- the programmer assigns this number. +
-    * **Build Number** - number following version number (x) represents minor changes (patches, tweaks) made by package container. +
-    * **Architecture** - Defines the architecture the package was made to run on. i386 is common. there are further archs like: i586, i686, x86_64, PPC, noarch(scripts)+
  
  
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   * **-U** -- Upgrade if already installed   * **-U** -- Upgrade if already installed
   * **-q** -- Query, get info about packages   * **-q** -- Query, get info about packages
- 
- 
-=====DEB Based Package Management===== 
----- 
-uses apt-get / dpkg 
- 
-====apt==== 
-Config file located in ///etc/apt///sources.list important. sources.list.d folder contains official repos. 
-  *apt-get update -- updates repo list. DOES NOT UPGRADE. 
- 
-===apt-cache=== 
-  ***search** //thing// -- searches packages on local package cache for //thing// to download from server. 
-  ***stats** -- shows stats based on the metadata downloaded about our repos. 
-  ***depends** apache2 -- shows dependencies for the apache2 package. 
-  ***unmet** -- shows pkgs that have unmet depends. 
- 
-  *apt-get install //apache2// - install apache2 + deps from repos. 
-  *apt-get upgrade -- upgrades out of date packages. 
-  *apt-get clean -- cleans up local pkg files, temp files, etc. 
-  *apt-get autoclean -- only cleans out packages that are no longer avail in our source repo. These can no longer be downloaded and are largely useless files. 
-  *apt-get install -s php5 -- -s says simulate install php5. useful! 
-  *apt-get install -y php5 -- will auto input YES on prompts. 
-  *apt-get install -y -q php5 -- -q omits some terminal output. 
-  *apt-get source php5 -- this will download the source files php5 and not the PACKAGE php5. 
-  * **apt-get dist-upgrade** -- RTFM, performs upgrade but also handles changing of dependencies of new versions of a package. As a result, some packages may be removed. 
- 
-====aptitude==== 
-Ncurses/CLI based management tool. An option for those who don't like entering commandline args. 
- 
-===== DEB ===== 
-====apt-get==== 
-You can edit sources in /etc/apt/sources.list 
-<code> 
-deb     http://http.debian.net/debian wheezy         main 
-deb-src http://http.debian.net/debian wheezy         main 
-deb     http://security.debian.org/   wheezy/updates main 
-deb-src http://security.debian.org/   wheezy/updates main 
-</code> 
-deb entries specify debian PACKAGES where as deb-src specifies SOURCE PACKAGES, upon which to compile a package/program. 
- 
-Useful commands: 
-  *apt-get update 
- 
-=====CENTOS===== 
-  *Uses yum/rpm. 
-  *Repos listed in **/etc/yum.repos.d/** 
- 
-====rpm==== 
-  *-ivh //packagefile// - Installs //packagefile// with a series of hashes as indicators. 
-  *-uvh - Same as -ive but upgrades a a package if already installed? 
-  *-q //pkgname// - Queries to see if //packagename// is installed. 
-  *-e //pkgname// - remove //pkgname// from system. 
- 
-====yum==== 
-  *yum makecache fast - updates local cache of repo contents. Similar to Pacman -Syy 
-  *yum search //name// - searches repos for pkgs named //name// 
-  *yum install //httpd// - installs //httpd// and deps from repos. 
-  *yum update -- updates all packages on system. 
- 
- 
lx103/managing_software.1714283950.txt.gz · Last modified: 2024/04/28 05:59 by 114.119.137.174