Bii o ṣe le Ṣayẹwo ati Fi Awọn imudojuiwọn sori CentOS ati RHEL
Fifi awọn imudojuiwọn sii fun awọn idii sọfitiwia tabi ekuro funrararẹ, jẹ iṣẹ-ṣiṣe ti a ṣe iṣeduro gíga ati anfani fun awọn alaṣẹ eto; diẹ sii paapaa nigbati o ba de awọn imudojuiwọn aabo tabi awọn abulẹ. Lakoko ti a ti ṣe awari awọn ailagbara aabo, sọfitiwia ti o kan gbọdọ wa ni imudojuiwọn lati dinku eyikeyi awọn eewu aabo aabo si gbogbo eto naa.
Ti o ko ba tunto eto rẹ lati fi awọn abulẹ aabo tabi awọn imudojuiwọn sori ẹrọ laifọwọyi, lẹhinna o nilo lati ṣe pẹlu ọwọ. Ninu nkan yii, a yoo fi ọ han bi o ṣe le ṣayẹwo ati fi awọn imudojuiwọn sọfitiwia sori awọn kaakiri CentOS ati RHEL.
Lati ṣayẹwo fun eyikeyi awọn imudojuiwọn ti o wa fun awọn idii ti o fi sii, lo oluṣakoso package YUM pẹlu aṣẹ atunyẹwo-ayẹwo; eyi ṣe iranlọwọ fun ọ lati wo gbogbo awọn imudojuiwọn package lati gbogbo awọn ibi ipamọ ti eyikeyi ba wa.
# yum check-update
Loaded plugins: changelog, fastestmirror base | 3.6 kB 00:00:00 epel/x86_64/metalink | 22 kB 00:00:00 epel | 4.3 kB 00:00:00 extras | 3.4 kB 00:00:00 mariadb | 2.9 kB 00:00:00 updates | 3.4 kB 00:00:00 (1/2): epel/x86_64/updateinfo | 842 kB 00:00:15 (2/2): epel/x86_64/primary_db | 6.1 MB 00:00:00 Loading mirror speeds from cached hostfile * base: mirrors.linode.com * epel: mirror.vorboss.net * extras: mirrors.linode.com * updates: mirrors.linode.com MariaDB-client.x86_64 10.1.28-1.el7.centos mariadb MariaDB-common.x86_64 10.1.28-1.el7.centos mariadb MariaDB-server.x86_64 10.1.28-1.el7.centos mariadb MariaDB-shared.x86_64 10.1.28-1.el7.centos mariadb NetworkManager.x86_64 1:1.8.0-11.el7_4 updates NetworkManager-adsl.x86_64 1:1.8.0-11.el7_4 updates ....
Lati ṣe imudojuiwọn package kan si ẹya tuntun ti o wa, ṣiṣe aṣẹ ni isalẹ. Ninu apẹẹrẹ yii, yum yoo gbiyanju lati mu package httpd ṣe.
# yum update httpd
Loaded plugins: changelog, fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.linode.com * epel: mirror.vorboss.net * extras: mirrors.linode.com * updates: mirrors.linode.com Resolving Dependencies --> Running transaction check ---> Package httpd.x86_64 0:2.4.6-45.el7.centos.4 will be updated --> Processing Dependency: httpd = 2.4.6-45.el7.centos.4 for package: 1:mod_ssl-2.4.6-45.el7.centos.4.x86_64 ---> Package httpd.x86_64 0:2.4.6-67.el7.centos.6 will be an update --> Processing Dependency: httpd-tools = 2.4.6-67.el7.centos.6 for package: httpd-2.4.6-67.el7.centos.6.x86_64 --> Running transaction check ---> Package httpd-tools.x86_64 0:2.4.6-45.el7.centos.4 will be updated ---> Package httpd-tools.x86_64 0:2.4.6-67.el7.centos.6 will be an update ---> Package mod_ssl.x86_64 1:2.4.6-45.el7.centos.4 will be updated ---> Package mod_ssl.x86_64 1:2.4.6-67.el7.centos.6 will be an update ....
Lati ṣe imudojuiwọn ẹgbẹ package kan, aṣẹ ti o tẹle yoo mu awọn irinṣẹ idagbasoke rẹ ṣe (Olupilẹṣẹ C ati C ++ pẹlu awọn ohun elo ti o jọmọ).
# yum update "Development Tools"
Loaded plugins: changelog, fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.linode.com * epel: mirror.vorboss.net * extras: mirrors.linode.com * updates: mirrors.linode.com ...
Lati ṣe igbesoke gbogbo sọfitiwia eto rẹ bii awọn igbẹkẹle wọn si ẹya tuntun, lo aṣẹ yii:
# yum update
Loaded plugins: changelog, fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.linode.com * epel: mirror.vorboss.net * extras: mirrors.linode.com * updates: mirrors.linode.com Resolving Dependencies --> Running transaction check ---> Package MariaDB-client.x86_64 0:10.1.23-1.el7.centos will be updated ---> Package MariaDB-client.x86_64 0:10.1.28-1.el7.centos will be an update ---> Package MariaDB-common.x86_64 0:10.1.23-1.el7.centos will be updated ---> Package MariaDB-common.x86_64 0:10.1.28-1.el7.centos will be an update ---> Package MariaDB-server.x86_64 0:10.1.23-1.el7.centos will be updated ---> Package MariaDB-server.x86_64 0:10.1.28-1.el7.centos will be an update ---> Package MariaDB-shared.x86_64 0:10.1.23-1.el7.centos will be updated ---> Package MariaDB-shared.x86_64 0:10.1.28-1.el7.centos will be an update ---> Package NetworkManager.x86_64 1:1.4.0-19.el7_3 will be obsoleted ---> Package NetworkManager.x86_64 1:1.8.0-11.el7_4 will be obsoleting ....
O n niyen! O le fẹ lati ka awọn nkan wọnyi ti o jọmọ wọnyi.
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Nigbagbogbo jẹ ki o jẹ eto Linux titi di oni pẹlu aabo tuntun ati awọn imudojuiwọn package gbogbogbo. Ṣe o ni awọn ibeere eyikeyi lati beere, lo fọọmu asọye ni isalẹ fun iyẹn.