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--- computing:linux:minimal_centos_install [2014/05/10 14:59]
gcooper
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-====== Minimal CentOS Install ======
-See also **[[networking:linux:static_ip_addr|Static IP Address]]**
-This is generally for slim server installations.
-===== Centos 6 =====
-Release Notes: http://wiki.centos.org/Manuals/ReleaseNotes/
-==== Netinstall ====
-:!: Use netinstall method for Xen paravirtualized installs.
-Netinstall URLs:
-<file>
-http://mirrors.easynews.com/linux/centos/6/os/i386/
-http://mirrors.easynews.com/linux/centos/6/os/x86_64/
-</file>
-ISOs:
-<file>
-http://mirrors.easynews.com/linux/centos/6/isos/
-</file>
-==== Installation ====
-  * Use netinstall or CD#1
-  * Use text-mode installer
-  * De-select all packages
-     * Hold down ''-'' key
-  * Select "customize package selection"
-  * De-select all packages
-     * Hold down ''-'' key
-Install some important packages after the install:
-<file>
-yum install openssh-server perl crontabs vixie-cron which wget vim-enhanced bind-utils \
-setuptool system-config-network-tui system-config-firewall-tui system-config-securitylevel-tui
-</file>
-Enable the ''cron'' daemon:
-<file>
-chkconfig crond on
-service crond start
-</file>
-Update and reboot the new system:
-<file>
-yum update -y
-reboot
-</file>
-===== CentOS 5 =====
-:!: Important note: During a netinstall of the latest Centos 5.9, these instructions don't install ''yum''.  BE SURE TO SELECT YUM TO BE INSTALLED.
-:!: Also consider selecting ''openssh-server'', especially if you are installing remotely.
-http://www.owlriver.com/tips/tiny-centos/
-http://codeghar.wordpress.com/2007/11/28/centos-5-post-install-customization/
-  - Boot to CD 1
-  - Type in "linux text" to get the text installation setup
-  - Proceed normally with the installation until it asks which packages to install
-  - Deselect all of the packages and then click on the "customize package selection" check box
-  - Hold down the "-" key, which scrolls through all of the package options, and deselects them all
-  - Finish the install
-  - Do a "yum update" to get latest
-  - Do a "yum install <package>" for what ever packages needed but not installed during installation.
-Install some important packages after the install (adjust as necessary):
-<file>
-yum install openssh-server perl crontabs vixie-cron wget which vim-enhanced bind-utils
-chkconfig crond on
-service crond start
-</file>
-=== Minimizing After the Fact ===
-<file>
-echo "Administration Tools
-Authoring and Publishing
-Beagle
-Cluster Storage
-Clustering
-Development Libraries
-Development Tools
-Emacs
-Engineering and Scientific
-FreeNX and NX
-GNOME Desktop Environment
-GNOME Software Development
-Games and Entertainment
-Graphical Internet
-Graphics
-Horde
-Java
-Java Development
-KDE (K Desktop Environment)
-KDE Software Development
-KVM
-Legacy Software Development
-Legacy Software Support
-Mono
-Office/Productivity
-OpenFabrics Enterprise Distribution
-PostgreSQL Database
-Printing Support
-Ruby
-Sound and Video
-Tomboy
-Windows File Server
-X Software Development
-X Window System
-XFCE-4.4" | while read group; do yum -y groupremove "$group"; done
-pkg="xorg-x11-libs xorg-x11-Mesa-libGL libtiff up2date system-config-mouse bind-utils \
-bind-libs ypbind yp-tools htmlview pinfo ppp rp-pppoe wvdial redhat-lsb mdadm portmap \
-nfs-utils irda-utils isdn4k-utils pcmcia-cs NetworkManager pam_smb dos2unix samba-common \
-ghostscript system-config-printer xorg-x11-xfs xorg-x11-font-utils VFlib2 urw-fonts \
-ghostscript-fonts hpijs chkfontpath samba-client ghostscript-fonts libgnomeui \
-startup-notification libwnck libbonoboui gnome-python2 usermode-gtk qt arts kdelibs gd pango \
-gtk2 xorg-x11-xauth system-config-samba system-config-nfs system-config-services \
-system-config-users system-logviewer system-config-date  system-config-printer-gui samba \
-gnome-python2-bonobo gnome-python2-canvas gnome-python2-gtkhtml2 system-config-httpd \
-system-config-network system-config-packages system-config-lvm tora webalizer libglade2 pygtk2 \
-GConf2 gnome-keyring libgnomecanvas gail gtkhtml2 gnome-python2-bonobo gnome-python2-canvas \
-gnome-python2-gtkhtml2 pygtk2-libglade system-config-securitylevel system-config-language \
-system-config-rootpassword system-config-soundcard gnome-vfs2 libgnome authconfig-gtk \
-firstboot gnome-mount gnome-python2-gnomevfs  system-config-display  pirut setroubleshoot \
-system-config-kdump gnome-mount metacity notification-daemon gnome-python2-gconf \
-gnome-python2-gnomevfs bluez-gnome bluez-utils sabayon notify-python libnotify \
-system-config-keyboard gtk2-engines xsri cups-libs xorg-x11-fonts-base gnome-python2-extras \
-paps redhat-artwork cups xorg-x11-server-Xnest xorg-x11-server-Xorg sabayon-apply \
-xorg-x11-drv-void xorg-x11-drv-evdev xorg-x11-drv-keyboard xorg-x11-drv-vesa rhpxl \
-xorg-x11-drv-mouse Deployment_Guide-en-US"
-for x in $pkg; do yum remove -y $x; done
-yum clean all
-</file>
-===== Securing =====
-http://bkraft.fr/articles/Securing_CentOS_6_installation/
-==== Enable EPEL Repo ====
-[[computing:linux:epel|Enable the EPEL Repo]], if not already done.
-==== Unneeded Services ====
-You can use a command similar to this to remove unnecessary services.  This may increase security and performance.
-<file>
-for i in rpcbind nfslock lldpad fcoe rpcidmapd; do service $i stop; chkconfig $i off; done
-</file>
-==== Fail2Ban ====
-**[[networking:linux:fail2ban|Fail2Ban]]** is a tool to monitor log files and take action against attackers.  It uses IPtables firewall commands to block access.

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