Red Hat System Administration I

• rpm -q [select-options] [query-options]

• rpm --query [select-options] [query-options]

RPM queries: Select options

• -q -a: all installed packages

• -q PACKAGENAME: currently installed PACKAGENAME

  [root@serverX ~]# rpm -q yum
  yum-3.4.3-118.el7.noarch
  

• -q -p PACKAGEFILE.rpm: package file named PACKAGEFILE.rpm

  [root@serverX ~]# rpm -q -p http://content.example.com/rhel7.0/x86_64/dvd/Packages/yum-utils-1.1.31-24.el7.noarch.rpm
  yum-utils-1.1.31-24.el7.noarch.rpm
  

• -q -f FILENAME: what package provides FILENAME

  [root@serverX ~]# rpm -q -f /etc/yum.repos.d
  yum-3.4.3-118.el7.noarch
  

RPM queries: Information about content of packages

• -q: lists the package's name and version; compare to yum list

• -q -i: package information; compare to yum info

• -q -l: list of files installed by the specified package

  [root@serverX ~]# rpm -q -l yum-rhn-plugin
  /etc/yum/pluginconf.d/rhnplugin.conf
  /usr/share/doc/yum-rhn-plugin-2.0.1
  /usr/share/doc/yum-rhn-plugin-2.0.1/LICENSE
  /usr/share/locale/aln/LC_MESSAGES/yum-rhn-plugin.mo
  ...

• -q -c: list just the configuration files

  [root@serverX ~]# rpm -q -c yum-rhn-plugin
  /etc/yum/pluginconf.d/rhnplugin.conf
  

• -q -d: list just the documentation files

  [root@serverX ~]# rpm -q -d yum-rhn-plugin
  /usr/share/doc/yum-rhn-plugin-2.0.1/LICENSE
  /usr/share/man/man5/rhnplugin.conf.5.gz
  /usr/share/man/man8/rhnplugin.8.gz
  /usr/share/man/man8/yum-rhn-plugin.8.gz
  

• -q --scripts: list shell scripts that may run before or after the package is installed or removed

  [root@serverX ~]# rpm -q --scripts openssh-server
  preinstall scriptlet (using /bin/sh):
  getent group sshd >/dev/null || groupadd -g 74 -r sshd || :
  getent passwd sshd >/dev/null || \
    useradd -c "Privilege-separated SSH" -u 74 -g sshd \
    -s /sbin/nologin -r -d /var/empty/sshd sshd 2> /dev/null || :
  postinstall scriptlet (using /bin/sh):
  
  if [ $1 -eq 1 ] ; then 
          # Initial installation 
          /usr/bin/systemctl preset sshd.service sshd.socket >/dev/null 2>&1 || : 
  fi
  preuninstall scriptlet (using /bin/sh):
  
  if [ $1 -eq 0 ] ; then 
          # Package removal, not upgrade 
          /usr/bin/systemctl --no-reload disable sshd.service sshd.socket > /dev/null 2>&1 || : 
          /usr/bin/systemctl stop sshd.service sshd.socket > /dev/null 2>&1 || : 
  fi
  postuninstall scriptlet (using /bin/sh):
  
  /usr/bin/systemctl daemon-reload >/dev/null 2>&1 || : 
  if [ $1 -ge 1 ] ; then 
          # Package upgrade, not uninstall 
          /usr/bin/systemctl try-restart sshd.service >/dev/null 2>&1 || : 
  fi
  

• -q --changelog: list change information for the package

  [root@serverX ~]# rpm -q --changelog audit
  * Thu Oct 03 2013 Steve Grubb <sgrubb@redhat.com> 2.3.2-3
  resolves: #828495 - semanage port should generate an audit event
  
  * Thu Aug 29 2013 Steve Grubb <sgrubb@redhat.com> 2.3.2-2
  resolves: #991056 - ausearch ignores USER events with -ua option
  ...