高并发与负载均衡-nginx-安装配置2

本文链接：https://blog.youkuaiyun.com/ZhuxiaowenLinda/article/details/103548423

本文介绍了在CentOS7系统中如何安装和配置Nginx，包括启动服务、查看进程状态以及使用`systemctl`管理Nginx服务。通过这些步骤，读者将能够掌握在Linux环境下搭建高并发服务器的基本操作。

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[root@centos7-1 system]# chkconfig

注：该输出结果只显示 SysV 服务，并不包含
原生 systemd 服务。SysV 配置数据
可能被原生 systemd 配置覆盖。

要列出 systemd 服务，请执行 'systemctl list-unit-files'。
查看在具体 target 启用的服务请执行
'systemctl list-dependencies [target]'。

jexec     0:关   1:开   2:开   3:开   4:开   5:开   6:关
netconsole    0:关   1:关   2:关   3:关   4:关   5:关   6:关
network     0:关   1:关   2:开   3:开   4:开   5:开   6:关
[root@centos7-1 system]# systemctl list-unit-files
UNIT FILE STATE
proc-sys-fs-binfmt_misc.automount static
dev-hugepages.mount static
dev-mqueue.mount static
proc-fs-nfsd.mount static
proc-sys-fs-binfmt_misc.mount static
sys-fs-fuse-connections.mount static
sys-kernel-config.mount static
sys-kernel-debug.mount static
tmp.mount disabled
var-lib-nfs-rpc_pipefs.mount static
brandbot.path disabled
cups.path enabled
systemd-ask-password-console.path static
systemd-ask-password-plymouth.path static
systemd-ask-password-wall.path static
session-82.scope static
session-84.scope static
session-90.scope static
session-c1.scope static
abrt-ccpp.service enabled
abrt-oops.service enabled
abrt-pstoreoops.service disabled
abrt-vmcore.service enabled
abrt-xorg.service enabled
abrtd.service enabled
accounts-daemon.service enabled
alsa-restore.service static
alsa-state.service static
anaconda-direct.service static
anaconda-nm-config.service static
anaconda-noshell.service static
anaconda-pre.service static
anaconda-shell@.service static
anaconda-sshd.service static
anaconda-tmux@.service static
anaconda.service static
arp-ethers.service disabled
atd.service enabled
auditd.service enabled
auth-rpcgss-module.service static
autofs.service disabled
autovt@.service enabled
avahi-daemon.service enabled
blk-availability.service disabled
bluetooth.service enabled
bolt.service static
brandbot.service static
brltty.service disabled
canberra-system-bootup.service disabled
canberra-system-shutdown-reboot.service disabled
canberra-system-shutdown.service disabled
certmonger.service disabled
cgconfig.service disabled
cgdcbxd.service disabled
cgred.service disabled
chrony-dnssrv@.service static
chrony-wait.service disabled
chronyd.service enabled
clean-mount-point@.service static
colord.service static
configure-printer@.service static
console-getty.service disabled
console-shell.service disabled
container-getty@.service static
cpupower.service disabled
crond.service enabled
cups-browsed.service disabled
cups.service enabled
dbus-org.bluez.service enabled
dbus-org.freedesktop.Avahi.service enabled
dbus-org.freedesktop.hostname1.service static
dbus-org.freedesktop.import1.service static
dbus-org.freedesktop.locale1.service static
dbus-org.freedesktop.login1.service static
dbus-org.freedesktop.machine1.service static
dbus-org.freedesktop.ModemManager1.service enabled
dbus-org.freedesktop.NetworkManager.service enabled
dbus-org.freedesktop.nm-dispatcher.service enabled
dbus-org.freedesktop.timedate1.service static
dbus.service static
debug-shell.service disabled
display-manager.service enabled
dm-event.service static
dmraid-activation.service enabled
dnsmasq.service disabled
dracut-cmdline.service static
dracut-initqueue.service static
dracut-mount.service static
dracut-pre-mount.service static
dracut-pre-pivot.service static
dracut-pre-trigger.service static
dracut-pre-udev.service static
dracut-shutdown.service static
ebtables.service disabled
emergency.service static
fcoe.service disabled
firewalld.service disabled
firstboot-graphical.service disabled
flatpak-system-helper.service static
fprintd.service static
fstrim.service static
fwupd-offline-update.service static
fwupd.service static
fwupdate-cleanup.service static
gdm.service enabled
geoclue.service static
getty@.service enabled
gssproxy.service disabled
halt-local.service static
htcacheclean.service static
httpd.service disabled
hypervfcopyd.service static
hypervkvpd.service static
hypervvssd.service static
initial-setup-graphical.service disabled
initial-setup-reconfiguration.service enabled
initial-setup-text.service disabled
initial-setup.service disabled
initrd-cleanup.service static
initrd-parse-etc.service static
initrd-switch-root.service static
initrd-udevadm-cleanup-db.service static
instperf.service static
iprdump.service disabled
iprinit.service disabled
iprupdate.service disabled
ipsec.service disabled
ipvsadm.service disabled
irqbalance.service enabled
iscsi-shutdown.service static
iscsi.service enabled
iscsid.service disabled
iscsiuio.service disabled
kdump.service enabled
keepalived.service disabled
kmod-static-nodes.service static
kpatch.service disabled
ksm.service enabled
ksmtuned.service enabled
libstoragemgmt.service enabled
libvirtd.service enabled
lldpad.service disabled
lvm2-lvmetad.service static
lvm2-lvmpolld.service static
lvm2-monitor.service enabled
lvm2-pvscan@.service static
mdadm-grow-continue@.service static
mdadm-last-resort@.service static
mdmon@.service static
mdmonitor.service enabled
messagebus.service static
microcode.service enabled
ModemManager.service enabled
multipathd.service enabled
ndctl-monitor.service disabled
netcf-transaction.service disabled
NetworkManager-dispatcher.service enabled
NetworkManager-wait-online.service enabled
NetworkManager.service enabled
nfs-blkmap.service disabled
nfs-config.service static
nfs-idmap.service static
nfs-idmapd.service static
nfs-lock.service static
nfs-mountd.service static
nfs-rquotad.service disabled
nfs-secure.service static
nfs-server.service disabled
nfs-utils.service static
nfs.service disabled
nfslock.service static
nginx.service disabled
ntpd.service disabled
ntpdate.service disabled
numad.service disabled
oddjobd.service disabled
packagekit-offline-update.service static
packagekit.service static
plymouth-halt.service disabled
plymouth-kexec.service disabled
plymouth-poweroff.service disabled
plymouth-quit-wait.service disabled
plymouth-quit.service disabled
plymouth-read-write.service disabled
plymouth-reboot.service disabled
plymouth-start.service disabled
plymouth-switch-root.service static
polkit.service static
postfix.service enabled
psacct.service disabled
qemu-guest-agent.service enabled
quotaon.service static
radvd.service disabled
rc-local.service static
rdisc.service disabled
rdma-load-modules@.service static
rdma-ndd.ser