Clean Metadata#yum Makecache6. Yum then works, then updates it at once, OK.#yum-y UpgradeExcerpt from: http://blog.smdcn.net/article/1012.html Description: The above article from the others blog, fixed a little, Redhat 5.4 is not installed Yum, in fact already installed Yum
# Vi CentOS-Base-163.repo
Add # before all the uploadlists, replace all $ releasever with 5, and save
5. Clear and regenerate the yum Cache # Yum clean metadata
# Yum makecache
6. Then Yum will work normally, and update it as soon as possible. #
Recently encountered a problemSeport is isn't a legal parameter in an Ansible task or handlerThe reason is that my local Ansible Extra Modules is obsolete and needs to be updated. But the official document of Ansible only gives such a word.There should be no need to install this repo separately as it should being included in any
Description: Production environment for software version and kernel version requirements very accurate, don't worry about anything. Yum Update Operation!!!!!!!!!Yum update: Upgrade all packages while upgrading software and system coresYum Upgrade: Upgrade all packages only, without upgrading software and system coresTe
Copy CodeThe code is as follows:Yum-y UpdateUpgrade all packages and also upgrade software and system coresCopy CodeThe code is as follows:Yum-y UpgradeUpgrade all packages only, without upgrading software and system coresExperiments were tested YUM-Y upgrade and yum-y updatePre-upgradeSystem version: centos5.5Kernel version: 2.6.18-194.el5Simple configuration file modification before upgradeYum-y Upgrade a
On the internet to see someone like the following summary
Yum-y Update
Upgrade all packages, change software settings and system settings, upgrade the system version kernel
Yum-y Upgrade
Upgrades all packages, does not change software settings and system settings, System version upgrades, the kernel does not change
Test the difference between the so-called
Test yum-y upgrade and yum-y update respectively.
Before upgrade
System Version: CentOS5.5
Kernel version: 2.6.18-194. el5
Simple configuration file modification before Upgrade
After yum-y upgrade is upgraded
System Version: centos5.7
Kernel version: 2.6.18-194. el5
System and software configurations are not mo
Tags: Linux upgrade command yum upgradeThe two Linux upgrade commands are yum upgrade and Yum Update, and the two commands are different:Yum-y UpdateUpgrade all packages and also upgrade software and system coresYum-y UpgradeUpgrade all packages only, without upgrading software and system coresExperiments were tested
Yum,yellow Dog Updater ModifiedSoftware update mechanism based on RPM package constructionAutomatically resolve package dependenciesAll packages are provided by a centralized Yum software repositoryYum's basic configuration file:Basic settings:/etc/yum.confWarehouse Configuration:/etc/yum.repos.d/*.repoLog file:/var/log/yum.logCache directory:/var/cache/
Original production environment:Os:centos release6.7 (Final)[[Email protected]]# uname-aLinux sky9896 2.6.32-573.12.1.el6.x86_64#1 SMP Tue Dec 21:19:08 UTC x86_64 x86_64 x86_64 gnu/linuxWill the version and kernel change after the upgrade?1. #yum –y Upgrade// upgrade all packages, do not change the software settings and system settings, System version upgrade, the kernel does not change. [Email protected]]# yum
After centos uses yum update acceleration, you cannot install updates-general Linux technology-Linux technology and application information. For more information, see the following. [Root @ CoentOS4 ~] # Cd/
[Root @ CoentOS4/] # yum update
Loading "fastestmirror" plugin
Setting up
Linux Upgrade commands The difference between Yum upgrade and Yum updateYum-y UpdateUpgrade all packages and also upgrade software and system coresYum-y UpgradeUpgrade all packages only, without upgrading software and system coresExampleFrom for notes (Wiz)Linux upgrade commands the difference between Yum upgrade and Yum
Fault
Vagrant managed CentOS Virtual machines update the system and kernel after yum-y update
And then the next time vagrant up, the shared directory cannot be mounted to the/vagrant directory (/sbin/mount.vboxsf:mounting failed with the Error:no such)
More information
Failed to mount folders in Linux Guest. This is usually becauseThe "vboxsf" file system is
Due to Redhat Yum online update is charged, if not registered words can not be used, if you want to use, you need to redhat yum Uninstall, restart the installation, and then configure other sources, the following is a detailed process: 1. Delete Redhat original Yum NBSP Rpm-aq|grep
Document directory
RPM package update
Installation and deletion of RPM packages
Parameters related to Yum temporary storage (/var/Cache/Yum /)
Package list
RPM package information display (the info parameter is the same as the list)
Search for RPM packages
What is yum?
Fedora/Redhat online installation and update package yum this article describes how to install and update the software online using the Fedora core 4.0 software package management tool yum, we will introduce it in another article. 1. Use of yum. Some new Linux beginners may
This article mainly introduces common yum commands, including updating software, installing only specified software, querying software information, and deleting software. For more information, see
1. list all software updatesCommand: yum check-update
2. install all Update softwareCommand:
Learn how to install yum in Linux. Learn how to compile and run yum in Linux. Linux Yum can improve the ease of use performance. Linux yum.
What is Linux yum?
Yum = yellow dog Updater. Modified is mainly used to conveniently Add/d
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