CentOS7关闭防火墙方法
在之前的版本中关闭防火墙等服务的命令是service iptables stop
/etc/init.d/iptables stop
在RHEL7中,其实没有这个服务
# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.0 (Maipo)
# service iptables stop
Redirecting to /bin/systemctl stopiptables.service
# /etc/init.d/iptables stop
-bash: /etc/init.d/iptables: No such file or directory
原来在RHEL7开始，使用systemctl工具来管理服务程序，包括了service和chkconfig
# systemctl list-unit-files|grep enabled
cups.path enabled
abrt-ccpp.service enabled
abrt-oops.service enabled
abrt-vmcore.service enabled
abrt-xorg.service enabled
abrtd.service enabled
accounts-daemon.service enabled
atd.service enabled
auditd.service enabled
avahi-daemon.service enabled
bluetooth.service enabled
chronyd.service enabled
crond.service enabled
cups.service enabled
dbus-org.bluez.service enabled
dbus-org.fedoraproject.FirewallD1.service enabled
dbus-org.freedesktop.Avahi.service enabled
dbus-org.freedesktop.ModemManager1.serviceenabled
dbus-org.freedesktop.NetworkManager.service enabled
dbus-org.freedesktop.nm-dispatcher.serviceenabled
display-manager.service enabled
dmraid-activation.service enabled
firewalld.service enabled
firstboot-graphical.service enabled
gdm.service enabled
getty@.service enabled
hypervkvpd.service enabled
hypervvssd.service enabled
irqbalance.service enabled
iscsi.service enabled
ksm.service enabled
ksmtuned.service enabled
libstoragemgmt.service enabled
libvirtd.service enabled
lvm2-monitor.service enabled
mdmonitor.service enabled
microcode.service enabled
ModemManager.service enabled
multipathd.service enabled
NetworkManager-dispatcher.service enabled
NetworkManager.service enabled
nfs-lock.service enabled
packagekit-offline-update.service enabled
postfix.service enabled
rhsmcertd.service enabled
rngd.service enabled
rpcbind.service enabled
rsyslog.service enabled
rtkit-daemon.service enabled
smartd.service enabled
spice-vdagentd.service enabled
sshd.service enabled
sysstat.service enabled
systemd-readahead-collect.service enabled
systemd-readahead-drop.service enabled
systemd-readahead-replay.service enabled
tuned.service enabled
vmtoolsd.service enabled
avahi-daemon.socket enabled
cups.socket enabled
dm-event.socket enabled
iscsid.socket enabled
iscsiuio.socket enabled
lvm2-lvmetad.socket enabled
rpcbind.socket enabled
default.target enabled
graphical.target enabled
nfs.target enabled
remote-fs.target enabled
禁用防火墙
# systemctl stop firewalld.service
# systemctl disable firewalld.service
# systemctl status firewalld.service
firewalld.service – firewalld – dynamic firewall daemon
Loaded: loaded (/usrfile:///C:\Users\Jason\AppData\Local\Temp\)A(ZC9Zb/systemd/system/firewalld.service; disabled)
Active: inactive (dead)
Jul 29 22:25:43 rhel7 systemd: Started firewalld – dynamic firewall daemon.
Jul 29 22:43:29 rhel7 systemd: Stopping firewalld – dynamic firewall daemon…
Jul 29 22:43:29 rhel7 systemd: Stopped firewalld – dynamic firewall daemon.
Jul 29 22:44:14 rhel7 systemd: Stopped firewalld – dynamic firewall daemon.
Jul 29 22:44:15 rhel7 systemd: Stopped firewalld – dynamic firewall daemon.
Jul 29 22:44:19 rhel7 systemd: Starting firewalld – dynamic firewall daemon…
Jul 29 22:44:19 rhel7 systemd: Started firewalld – dynamic firewall daemon.
Jul 29 22:44:21 rhel7 systemd: Stopping firewalld – dynamic firewall daemon…
Jul 29 22:44:21 rhel7 systemd: Stopped firewalld – dynamic firewall daemon.
Jul 29 22:44:32 rhel7 systemd: Stopped firewalld – dynamic firewall daemon.
启动一个服务：systemctl start firewalld.service
关闭一个服务：systemctl stop firewalld.service
重启一个服务：systemctl restart firewalld.service
显示一个服务的状态：systemctl status firewalld.service
在开机时启用一个服务：systemctl enable firewalld.service
在开机时禁用一个服务：systemctl disable firewalld.service
查看服务是否开机启动：systemctl is-enabled firewalld.service;echo $?
查看已启动的服务列表：systemctl list-unit-files|grep enabled
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