查看centos上安装了哪些软件

一、查看centos上安装了多少个软件

查看centos上安装了哪些软件

二、查看安装了的软件包

查看centos上安装了哪些软件

acl-2.2.51-12.el7.x86_64
aic94xx-firmware-30-6.el7.noarch
alsa-firmware-1.0.28-2.el7.noarch
alsa-lib-1.1.3-3.el7.x86_64
alsa-tools-firmware-1.1.0-1.el7.x86_64
audit-2.7.6-3.el7.x86_64
audit-libs-2.7.6-3.el7.x86_64
authconfig-6.2.8-30.el7.x86_64
basesystem-10.0-7.el7.centos.noarch
bash-4.2.46-28.el7.x86_64
bind-libs-lite-9.9.4-50.el7.x86_64
bind-license-9.9.4-50.el7.noarch
binutils-2.25.1-31.base.el7.x86_64
biosdevname-0.7.2-2.el7.x86_64
btrfs-progs-4.9.1-1.el7.x86_64
bzip2-1.0.6-13.el7.x86_64
bzip2-libs-1.0.6-13.el7.x86_64
ca-certificates-2017.2.14-71.el7.noarch
centos-logos-70.0.6-3.el7.centos.noarch
centos-release-7-4.1708.el7.centos.x86_64
chkconfig-1.7.4-1.el7.x86_64
chrony-3.1-2.el7.centos.x86_64
coreutils-8.22-18.el7.x86_64
cpio-2.11-24.el7.x86_64
cracklib-2.9.0-11.el7.x86_64
cracklib-dicts-2.9.0-11.el7.x86_64
cronie-1.4.11-17.el7.x86_64
cronie-anacron-1.4.11-17.el7.x86_64
crontabs-1.11-6.20121102git.el7.noarch
cryptsetup-libs-1.7.4-3.el7.x86_64
curl-7.29.0-42.el7.x86_64
cyrus-sasl-lib-2.1.26-21.el7.x86_64
dbus-1.6.12-17.el7.x86_64
dbus-glib-0.100-7.el7.x86_64
dbus-libs-1.6.12-17.el7.x86_64
dbus-python-1.1.1-9.el7.x86_64
device-mapper-1.02.140-8.el7.x86_64
device-mapper-event-1.02.140-8.el7.x86_64
device-mapper-event-libs-1.02.140-8.el7.x86_64
device-mapper-libs-1.02.140-8.el7.x86_64
device-mapper-persistent-data-0.7.0-0.1.rc6.el7.x86_64
dhclient-4.2.5-58.el7.centos.x86_64
dhcp-common-4.2.5-58.el7.centos.x86_64
dhcp-libs-4.2.5-58.el7.centos.x86_64
diffutils-3.3-4.el7.x86_64
dmidecode-3.0-5.el7.x86_64
dracut-033-502.el7.x86_64
dracut-config-rescue-033-502.el7.x86_64
dracut-network-033-502.el7.x86_64
e2fsprogs-1.42.9-10.el7.x86_64
e2fsprogs-libs-1.42.9-10.el7.x86_64
ebtables-2.0.10-15.el7.x86_64
elfutils-default-yama-scope-0.168-8.el7.noarch
elfutils-libelf-0.168-8.el7.x86_64
elfutils-libs-0.168-8.el7.x86_64
ethtool-4.8-1.el7.x86_64
expat-2.1.0-10.el7_3.x86_64
file-5.11-33.el7.x86_64
file-libs-5.11-33.el7.x86_64
filesystem-3.2-21.el7.x86_64
findutils-4.5.11-5.el7.x86_64
fipscheck-1.4.1-6.el7.x86_64
fipscheck-lib-1.4.1-6.el7.x86_64
firewalld-0.4.4.4-6.el7.noarch
firewalld-filesystem-0.4.4.4-6.el7.noarch
freetype-2.4.11-15.el7.x86_64
fuse-2.9.2-8.el7.x86_64
fuse-libs-2.9.2-8.el7.x86_64
fxload-2002_04_11-16.el7.x86_64
gawk-4.0.2-4.el7_3.1.x86_64
gdbm-1.10-8.el7.x86_64
GeoIP-1.5.0-11.el7.x86_64
gettext-0.19.8.1-2.el7.x86_64
gettext-libs-0.19.8.1-2.el7.x86_64
git-1.8.3.1-13.el7.x86_64
glib2-2.50.3-3.el7.x86_64
glibc-2.17-196.el7.x86_64
glibc-common-2.17-196.el7.x86_64
gmp-6.0.0-15.el7.x86_64
gnupg2-2.0.22-4.el7.x86_64
gobject-introspection-1.50.0-1.el7.x86_64
gpgme-1.3.2-5.el7.x86_64
gpg-pubkey-f4a80eb5-53a7ff4b
gpm-libs-1.20.7-5.el7.x86_64
grep-2.20-3.el7.x86_64
groff-base-1.22.2-8.el7.x86_64
grub2-2.02-0.64.el7.centos.x86_64
grub2-common-2.02-0.64.el7.centos.noarch
grub2-pc-2.02-0.64.el7.centos.x86_64
grub2-pc-modules-2.02-0.64.el7.centos.noarch
grub2-tools-2.02-0.64.el7.centos.x86_64
grub2-tools-extra-2.02-0.64.el7.centos.x86_64
grub2-tools-minimal-2.02-0.64.el7.centos.x86_64
grubby-8.28-23.el7.x86_64
gzip-1.5-9.el7.x86_64
hardlink-1.0-19.el7.x86_64
hostname-3.13-3.el7.x86_64
hwdata-0.252-8.6.el7.x86_64
info-5.1-4.el7.x86_64
initscripts-9.49.39-1.el7.x86_64
iproute-3.10.0-87.el7.x86_64
iprutils-2.4.14.1-1.el7.x86_64
ipset-6.29-1.el7.x86_64
ipset-libs-6.29-1.el7.x86_64
iptables-1.4.21-18.0.1.el7.centos.x86_64
iputils-20160308-10.el7.x86_64
irqbalance-1.0.7-10.el7.x86_64
ivtv-firmware-20080701-26.el7.noarch
iwl1000-firmware-39.31.5.1-56.el7.noarch
iwl100-firmware-39.31.5.1-56.el7.noarch
iwl105-firmware-18.168.6.1-56.el7.noarch
iwl135-firmware-18.168.6.1-56.el7.noarch
iwl2000-firmware-18.168.6.1-56.el7.noarch
iwl2030-firmware-18.168.6.1-56.el7.noarch
iwl3160-firmware-22.0.7.0-56.el7.noarch
iwl3945-firmware-15.32.2.9-56.el7.noarch
iwl4965-firmware-228.61.2.24-56.el7.noarch
iwl5000-firmware-8.83.5.1_1-56.el7.noarch
iwl5150-firmware-8.24.2.2-56.el7.noarch
iwl6000-firmware-9.221.4.1-56.el7.noarch
iwl6000g2a-firmware-17.168.5.3-56.el7.noarch
iwl6000g2b-firmware-17.168.5.2-56.el7.noarch
iwl6050-firmware-41.28.5.1-56.el7.noarch
iwl7260-firmware-22.0.7.0-56.el7.noarch
iwl7265-firmware-22.0.7.0-56.el7.noarch
jansson-2.10-1.el7.x86_64
kbd-1.15.5-13.el7.x86_64
kbd-legacy-1.15.5-13.el7.noarch
kbd-misc-1.15.5-13.el7.noarch
kernel-3.10.0-693.el7.x86_64
kernel-tools-3.10.0-693.el7.x86_64
kernel-tools-libs-3.10.0-693.el7.x86_64
kexec-tools-2.0.14-17.el7.x86_64
keyutils-libs-1.5.8-3.el7.x86_64
kmod-20-15.el7.x86_64
kmod-libs-20-15.el7.x86_64
kpartx-0.4.9-111.el7.x86_64
krb5-libs-1.15.1-8.el7.x86_64
less-458-9.el7.x86_64
libacl-2.2.51-12.el7.x86_64
libaio-0.3.109-13.el7.x86_64
libassuan-2.1.0-3.el7.x86_64
libattr-2.4.46-12.el7.x86_64
libblkid-2.23.2-43.el7.x86_64
libcap-2.22-9.el7.x86_64
libcap-ng-0.7.5-4.el7.x86_64
libcom_err-1.42.9-10.el7.x86_64
libcroco-0.6.11-1.el7.x86_64
libcurl-7.29.0-42.el7.x86_64
libdaemon-0.14-7.el7.x86_64
libdb-5.3.21-20.el7.x86_64
libdb-utils-5.3.21-20.el7.x86_64
libdnet-1.12-13.1.el7.x86_64
libdrm-2.4.74-1.el7.x86_64
libedit-3.0-12.20121213cvs.el7.x86_64
libestr-0.1.9-2.el7.x86_64
libfastjson-0.99.4-2.el7.x86_64
libffi-3.0.13-18.el7.x86_64
libgcc-4.8.5-16.el7.x86_64
libgcrypt-1.5.3-14.el7.x86_64
libgnome-keyring-3.12.0-1.el7.x86_64
libgomp-4.8.5-16.el7.x86_64
libgpg-error-1.12-3.el7.x86_64
libicu-50.1.2-15.el7.x86_64
libidn-1.28-4.el7.x86_64
libmnl-1.0.3-7.el7.x86_64
libmount-2.23.2-43.el7.x86_64
libmspack-0.5-0.5.alpha.el7.x86_64
libndp-1.2-7.el7.x86_64
libnetfilter_conntrack-1.0.6-1.el7_3.x86_64
libnfnetlink-1.0.1-4.el7.x86_64
libnl3-3.2.28-4.el7.x86_64
libnl3-cli-3.2.28-4.el7.x86_64
libpciaccess-0.13.4-3.el7_3.x86_64
libpipeline-1.2.3-3.el7.x86_64
libpwquality-1.2.3-4.el7.x86_64
libseccomp-2.3.1-3.el7.x86_64
libselinux-2.5-11.el7.x86_64
libselinux-python-2.5-11.el7.x86_64
libselinux-utils-2.5-11.el7.x86_64
libsemanage-2.5-8.el7.x86_64
libsepol-2.5-6.el7.x86_64
libss-1.42.9-10.el7.x86_64
libssh2-1.4.3-10.el7_2.1.x86_64
libstdc++-4.8.5-16.el7.x86_64
libsysfs-2.1.0-16.el7.x86_64
libtasn1-4.10-1.el7.x86_64
libteam-1.25-5.el7.x86_64
libtool-ltdl-2.4.2-22.el7_3.x86_64
libunistring-0.9.3-9.el7.x86_64
libuser-0.60-7.el7_1.x86_64
libutempter-1.1.6-4.el7.x86_64
libuuid-2.23.2-43.el7.x86_64
libverto-0.2.5-4.el7.x86_64
libxml2-2.9.1-6.el7_2.3.x86_64
libxslt-1.1.28-5.el7.x86_64
linux-firmware-20170606-56.gitc990aae.el7.noarch
...

如何得知共安装了多少个软件包?
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[root@localhost ~]# rpm -qa | wc -l
217
rpm指令
(一)查询系统装已经安装的软件信息
1)查询系统中已经安装的软件
rpm -qa

2)查询一个已经安装的文件属于哪个软件包;
rpm -qf 文件名的绝对路径

3)查询已安装软件包都安装到何处;
rpm -ql 软件名

4)查询一个已安装软件包的信息
rpm -qi 软件名

5)查看一下已安装软件的配置文件;
rpm -qc 软件名

6)查看一个已经安装软件的文档安装位置:
rpm -qd 软件名

7)查看一下已安装软件所依赖的软件包及文件;
rpm -qR 软件名