gpg stands for

is more convenient to add/remove/update the RPM package. It can automatically solve the problem of dependency of packages. It can facilitate the management of a large number of system update problems 2, yum characteristics Multiple resource pools can be configured at the same time (Repository) Concise configuration files (/etc/yum.conf,/etc/yum.repo.d/youname.repo) automatically resolves the dependency problems encountered when adding or removing RPM packages Easy to use Maintain consistency wi

file to the local hard disk.[Html] view plaincopy Cp-avf/mnt/cdrom/yum #-a: This option retains links and file attributes, and Recursively copies directories. 2. Create a repo file [html] view plaincopy Cat>/etc/yum. repos. d/CentOS-Local.repo [Local] Name = LocalYum Baseurl = file: // yum/ Gpgcheck = 1 Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 Enabled = 1 Q: Why can't I install th

-$basearch-debugbaseurl=file:///yum/serverenabled=1gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/ rpm-gpg-key-redhat-release[rhel-vt]name=red Hat Enterprise Linux $releasever-$basearch-debugbaseurl=file:///yum/ Vtenabled=1gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-redhat-release[rhel-cluster]name=red Hat Enterpris

;/etc/sudoers If you do not enter the password of the current user at each input, you can set it as follows: [Root @ eric pppoe] # echo "weihui ALL = (ALL) NOPSSWD: ALL">/etc/sudoers After that, you can test whether the operation is successful: [Weihui @ eric ~] $ More/etc/sudoers/Etc/sudoers: insufficient Permissions[Weihui @ eric ~] $ Sudo more/etc/sudoers# Sudoers allows particle users to run various commands# The root user, without needing the root password....... We recommend that you do no

Cd/etc/yum. repos. d/Add: visjtu. repo # Shanghai Jiao Tong, create sjtu. repo, enter the following content [Fedora-ftp.sjtu.edu.cn] name = Fedora14-i386baseurl = http://ftp.sjtu.edu.cn/fedora/linux/releases/14/Fedora/i386 Cd/etc/yum. repos. d/ Add: Vi sjtu. repo # Shanghai Jiao Tong University, create sjtu. repo, and enter the following content Fedora-ftp.sjtu.edu.cnName = Fedora 14-i386Base url = http://ftp.sjtu.edu.cn/fedora/linux/releases/14/Fedora/i386/ OS/Enabled = 1Gpgcheck = 0Gpgkey = fi

RHEL 6.0 directory/etc/yum. Repo. d /;Then run VI/etc/yum. Repo. d/CentOS-Base.repo; input: % S/$ releasever/6.0 /. Change the version to cent-6.0.(The URL path in the CentOS-Base.repo is not correct, please refer to the URL to check the correct), with the correct URL under rhe6.5. Import the key of centos 6.0Wget http://mirrors.163.com/centos/6/ OS /i386/RPM-GPG-KEY-CentOS-6Rpm -- import RPM-GPG-KEY-CentO

//set 163 source #wget Http://mirrors.163.com/.help/CentOS6-Base-163.repo-O Centos-base.repo; //set Epel source #vim Epel.repo; [Epel] Name=extra Packages for Enterprise Linux 6-$basearch baseurl=http://centos.ustc.edu.cn/epel/6/$basearch # Mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6arch= $basearch failovermethod=priority Enabled=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-k

mirror system uses the connecting IP address of the client and the# update status of each mirror To pick mirrors that is updated to and# geographically close to the client. You should use this for CentOS updates# unless is manually picking other mirrors.## If the mirrorlist= does For your, as a fall back you can try the # remarked out Baseurl= line instead.##[base]name=centos-$releasever-basemirrorl ist=http://mirrorlist.centos.org/?release= $releasever arch= $basearch repo=os#baseurl=http://

interface is displayed. Configure local yum SourceLocal. repo: Free onHttp://linux.linuxidc.com/ Both the user name and password areWww.linuxidc.com The specific download directory is in/July 6,/July 9/Linux install ArcGIS 10_01 install Linux Virtual Machine and yum source configuration Download Method see http://www.linuxidc.com/Linux/2013-07/87684.htmReference resources: http://www.linuxidc.com/Linux/2014-04/99794.htm Step 1: mount the image Specify the Installation file image (for example

1. Fedora 14 Yum source Shanghai Jiaotong University First, enter the terminal to open and enter the Su, password, and administrator permission; Input VI/etc/yum. Repos. d/fedora-sjtu.repo, press ENTER Copy the following content to the opened fedora-sjtu.repo again: Fedora-ftp.sjtu.edu.cnName = fedora 14-i386Base url = http://ftp.sjtu.edu.cn/fedora/linux/releases/14/Fedora/i386/ OS/Enabled = 1Gpgcheck = 0Gpgkey = file: // etc/pki/rpm-GPG-key-FedoraEve

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? Yum = yellow dog Updater, modified The main function is to conveniently Add/delete/update RPM packages. It automatically solves the dependency problem of the package. It facilitates management of a large number o

prompt wget command to find.b, increase the Epel installation sourceEPEL, extra Packages for Enterprise Linux, which has a lot of very common software in this repository and is designed specifically for Rhel, is a good addition to the Rhel standard Yum source and is completely free to use, maintained by the Fedora Project, So if you are using Rhel, or centos,scientific and other Rhel-system Linux, you can use Epel's Yum source with great ease.Download and install

Since the Yum online update for Rhel is chargeable, it cannot be used if not registered, that is, the software cannot be installed online. In this case, if the machine we are using is a rhel system, it will be cumbersome to mount the local CD-ROM each time the software is installed, and some of the software is old, in which case we can use the CentOS yum source to meet our needs.First, delete the original Rhel yumRpm-aq|grep Yum|xargs rpm-e--nodepsIi. Download the Yum installation package for Ce

1. Make sure that Yum is installed in rhel5. [Root @ LVS-master ~] # Rpm-Qa | grep yumYum-metadata-parser-1.1.2-3.el5Yum-updatesd-0.9-2.el5Yum-3.2.22-26.el5Yum-security-1.1.16-13.el5Yum-rhn-plugin-0.5.4-15.el5 2. Modify the source configuration file # Vim/etc/yum. Repos. d/CentOS-Base.repo [Base]Name = CentOS-5-Base# Items list = http://mirrorlist.centos.org /? Release = $ releasever5 arch = $ basearch repo = OS# Baseurl = http://developer.centos.org/centos/?releasever/ OS /?basearch/Bas

/[Root @ redhat1 ~] # Vim CentOS-Base.repo-with the official source (remove all baseurl before)[Base]Name = CentOS-$ releasever-BaseUsing list = http://mirrorlist.centos.org /? Release = $ releasever arch = $ basearch repo = OSBaseurl = http://developer.centos.org/centos/?releasever/ OS /?basearch/Gpgcheck = 1Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6# Released updates[Updates]Name = CentOS-$

the yum series package of the Centos system # su webuser # cd/home/webuser # mkdir centos to download the Centos upgrade package (Note: perform operations based on RedHat AS4 or RedHat AS5) redHat AS4: # wget http://centos.ustc.edu.cn/centos/4.7/os/ I386/CentOS/RPMS/python-elementtree-1.2.6-5.el4.centos.i386.rpm # wget http://centos.ustc.edu.cn/centos/4.7/os/ I386/CentOS/RPMS/python-sqlite-1.1.7-1.2.1.i386.rpm # wget http://centos.ustc.edu.cn/centos/4.7/os/ I386/CentOS/RPMS/python-urlgrabber-2.

/Etc/yum. repos. d/Add: Shanghai Jiao Tong Fedora14 update source, new sjtu. repo [Fedora-ftp.sjtu.edu.cn] name = Fedora14-i386baseurl = http://ftp.sjtu.edu.cn/fedora/linux/releases/14/Fedora/i386/ OS /enabled=1gpgcheck=0gpgkey=fil Add the following under/etc/yum. repos. d: Shanghai Jiao Tong University Fedora 14 update source, new sjtu. repo Fedora-ftp.sjtu.edu.cnName = Fedora 14-i386Base url = http://ftp.sjtu.edu.cn/fedora/linux/releases/14/Fedora/i386/ OS/Enabled = 1Gpgcheck = 0Gpgkey = file:

1. Copy all centos Yum files, but actually only use base files. [Root @ server yum. Repos. d] # lsCentOS-Base.repo CentOS-Debuginfo.repo. B CentOS-Media.repo. B server. Repo. B 2. Check the file and learn the following points: Enabled = 0 do not enable this yum; [Root @ server yum. Repos. d] # Cat CentOS-Base.repo# CentOS-Base.repo## The mirror system uses the connecting IP address of the client and# Update Status of each mirror to pick mirrors that are updated to and# Geographically close to th

packageDistroverpkg = RedHat-release determine the Linux release information downloaded by yumTolerant = 1 indicates whether Yum is "tolerant" during compilation. If it is set to 1, yum ignores many errors.Exactarch = 1 is useful when yum is updated. It is used to determine whether to update the i686 software package on i386. If option 1 is selected, it is not updated (too many functions need to be set ).Time is also very troublesome)The obsoletes = 1 option is described in detail in Yum (8). I

/CENTOS/6 directory will be automatically generated Repodata directory, Repodata directory is a database, where the file is mainly in XML format, describes a RPM package details, such as dependencies, including files, checksum code information.Second, the client1. Create Yum client repo fileVim/etc/yum.repos.d/test.repoWith. Repo as the suffix, here the name is test.Add to:[Test]Name=yum TestBaseurl=http://xxx.xxx.xxx/centos/6Enabled=1Gpgcheck=1Gpgkey=http://xxx.xxx.xxx/centos/rpm-