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01. Boot Your Fedora Linux Virtual Machine. After Your Linux System Has Been Loaded, Switch to a Command-Line Terminal

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01. Boot your Fedora Linux virtual machine. After your Linux system has been loaded, switch to a command-line terminal (tty2) by pressing Ctrl+Alt+F2 and log in to the terminal using the user name of root and the password of LNXrocks! => 02. At the command prompt, type runlevel and press Enter. What is your current runlevel? What is the most recent runlevel? =>N 5 03. At the command prompt, type cat /etc/inittab and press Enter. View the commented sections. Why is /etc/inittab not used in Fedora 20? => # inittab is no longer used. # # ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM. # # Ctrl-Alt-Delete is handled by /usr/lib/systemd/system/ctrl-alt- del.target # # systemd uses 'targets' instead of runlevels. By default, there are two main targets: # # multi-user.target: analogous to runlevel 3 # graphical.target: analogous to runlevel 5 # # To view current default target, run: # systemctl get-default # # To set a default target, run: # systemctl set-default TARGET.target 04. At the command prompt, type ls /usr/lib/systemd/system and press Enter. What do the contents represent? => Different types of core system services , buses ,targets abrt-ccpp.service org.freedesktop.locale1.busname abrtd.service org.freedesktop.login1.busname abrt-journal-core.service org.freedesktop.machine1.busname abrt-oops.service org.freedesktop.network1.busname abrt-pstoreoops.service org.freedesktop.resolve1.busname abrt-vmcore.service org.freedesktop.systemd1.busname abrt-xorg.service org.freedesktop.timedate1.busname accounts-daemon.service packagekit-offline-update.service adb.service packagekit.service alsa-restore.service paths.target alsa-state.service pcscd.service anaconda-direct.service pcscd.socket anaconda-nm-config.service plymouth-halt.service anaconda-noshell.service plymouth-kexec.service anaconda.service plymouth-poweroff.service [email protected] plymouth-quit.service anaconda-sshd.service plymouth-quit-wait.service anaconda.target plymouth-read-write.service anaconda.target.wants plymouth-reboot.service [email protected] plymouth-start.service arp-ethers.service plymouth-switch-root.service atd.service polkit.service auditd.service postgresql.service auth-rpcgss-module.service [email protected] [email protected] poweroff.target avahi-daemon.service poweroff.target.wants avahi-daemon.socket pppoe-server.service basic.target printer.target basic.target.wants proc-fs-nfsd.mount blk-availability.service proc-sys-fs-binfmt_misc.automount bluetooth.service proc-sys-fs-binfmt_misc.mount bluetooth.target psacct.service brltty.service qemu-guest-agent.service busnames.target quotaon.service busnames.target.wants radvd.service canberra-system-bootup.service rc-local.service canberra-system-shutdown-reboot.service rdisc.service canberra-system-shutdown.service realmd.service capi.service reboot.target [email protected] reboot.target.wants [email protected] remote-fs-pre.target chronyd.service remote-fs.target chrony-wait.service rescue.service colord.service rescue.target [email protected] rescue.target.wants console-getty.service rngd.service console-shell.service rpcbind.service [email protected] rpcbind.socket corosync-notifyd.service rpcbind.target corosync.service rpc-gssd.service crond.service rpc-statd-notify.service cryptsetup-pre.target rpc-statd.service cryptsetup.target rsyslog.service ctrl-alt-del.target rtkit-daemon.service cups-browsed.service runlevel0.target cups.path runlevel1.target cups.service runlevel1.target.wants cups.socket runlevel2.target dbus-org.freedesktop.hostname1.service runlevel2.target.wants dbus-org.freedesktop.import1.service runlevel3.target dbus-org.freedesktop.locale1.service runlevel3.target.wants dbus-org.freedesktop.login1.service runlevel4.target dbus-org.freedesktop.machine1.service runlevel4.target.wants dbus-org.freedesktop.network1.service runlevel5.target dbus-org.freedesktop.resolve1.service runlevel5.target.wants dbus-org.freedesktop.timedate1.service runlevel6.target dbus.service saslauthd.service dbus.socket [email protected] dbus.target.wants sheepdog.service debug-shell.service shutdown.target default.target sigpwr.target default.target.wants sleep.target dev-hugepages.mount -.slice dev-mqueue.mount slices.target dm-event.service smartcard.target dm-event.socket smartd.service dmraid-activation.service sockets.target dnf-makecache.service sockets.target.wants dnf-makecache.timer sound.target dnsmasq.service speech-dispatcherd.service dracut-cmdline.service spice-vdagentd.service dracut-initqueue.service spice-vdagentd.target dracut-mount.service [email protected] dracut-pre-mount.service sshd-keygen.target dracut-pre-pivot.service sshd.service dracut-pre-trigger.service [email protected] dracut-pre-udev.service sshd.socket dracut-shutdown.service sssd-secrets.service ebtables.service sssd-secrets.socket emergency.service sssd.service emergency.target suspend.target exit.target svnserve.service fcoe.service swap.target fedora-autorelabel-mark.service sys-fs-fuse-connections.mount fedora-autorelabel.service sysinit.target fedora-domainname.service sysinit.target.wants fedora-import-state.service sys-kernel-config.mount fedora-loadmodules.service sys-kernel-debug.mount fedora-readonly.service syslog.socket final.target syslog.target.wants firewalld.service systemd-ask-password-console.path fprintd.service systemd-ask-password- console.service fstrim.service systemd-ask-password- plymouth.path fstrim.timer systemd-ask-password- plymouth.service fwupdate-cleanup.service systemd-ask-password-wall.path fwupd-offline-update.service systemd-ask-password-wall.service fwupd.service [email protected] gdm.service systemd-binfmt.service geoclue.service systemd-bootchart.service [email protected] systemd-bus-proxyd.service getty.target systemd-bus-proxyd.socket graphical.target [email protected] graphical.target.wants systemd-coredump.socket gssproxy.service systemd-exit.service halt-local.service systemd-firstboot.service halt.target systemd-fsck-root.service halt.target.wants [email protected] hibernate.target systemd-halt.service htcacheclean.service [email protected] httpd.service systemd-hibernate.service httpd.service.d systemd-hostnamed.service httpd.socket systemd-hwdb-update.service httpd.socket.d systemd-hybrid-sleep.service hybrid-sleep.target systemd-importd.service hypervfcopyd.service systemd-initctl.service hypervkvpd.service systemd-initctl.socket hypervvssd.service systemd-journal-catalog- update.service iio-sensor-proxy.service systemd-journald-audit.socket initial-setup.service systemd-journald-dev-log.socket initrd-cleanup.service systemd-journald.service initrd-fs.target systemd-journald.socket initrd-parse-etc.service systemd-journal-flush.service initrd-root-fs.target systemd-kexec.service initrd-switch-root.service systemd-localed.service initrd-switch-root.target systemd-logind.service initrd-switch-root.target.wants systemd-machined.service initrd.target systemd-machine-id-commit.service initrd.target.wants systemd-modules-load.service initrd-udevadm-cleanup-db.service systemd-networkd.service instperf.service systemd-networkd.socket iodine-client.service systemd-networkd-wait- online.service ipsec.service [email protected] irqbalance.service systemd-poweroff.service iscsid.service systemd-quotacheck.service iscsid.socket systemd-random-seed.service iscsi.service systemd-reboot.service iscsi-shutdown.service systemd-remount-fs.service iscsiuio.service systemd-resolved.service iscsiuio.socket systemd-rfkill.service isdn.service systemd-rfkill.socket kdump.service systemd-suspend.service kexec.target systemd-sysctl.service kexec.target.wants systemd-sysusers.service kmod-static-nodes.service systemd-timedated.service ldconfig.service systemd-timesyncd.service libvirtd.service systemd-tmpfiles-clean.service libvirt-guests.service systemd-tmpfiles-clean.timer lightdm.service systemd-tmpfiles-setup- dev.service lldpad.service systemd-tmpfiles-setup.service lldpad.socket systemd-udevd-control.socket local-fs-pre.target systemd-udevd-kernel.socket local-fs.target systemd-udevd.service local-fs.target.wants systemd-udev-settle.service lvm2-lvmetad.service systemd-udev-trigger.service lvm2-lvmetad.socket systemd-update-done.service lvm2-lvmpolld.service systemd-update-utmp- runlevel.service lvm2-lvmpolld.socket systemd-update-utmp.service lvm2-monitor.service systemd-user-sessions.service [email protected] systemd-vconsole-setup.service machine.slice system.slice machines.target system-update.target mcelog.service system-update.target.wants [email protected] tcsd.service [email protected] [email protected] [email protected] timedatex.service mdmonitor.service timers.target [email protected] timers.target.wants messagebus.service time-sync.target mlocate-updatedb.service tmp.mount mlocate-updatedb.timer udisks2.service ModemManager.service umount.target multipathd.service unbound-anchor.service multi-user.target unbound-anchor.timer multi-user.target.wants upower.service mysqld.service [email protected] [email protected] usbmuxd.service netcf-transaction.service [email protected] NetworkManager-dispatcher.service user.slice NetworkManager.service var-lib-machines.mount NetworkManager-wait-online.service var-lib-nfs-rpc_pipefs.mount network-online.target vboxautostart-service.service network-online.target.wants vboxballoonctrl-service.service network-pre.target vboxdrv.service network.target vboxweb-service.service nfs-blkmap.service vgauthd.service nfs-client.target virtlockd.service
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