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请注意，本文编写于 1481 天前，最后修改于 742 天前，其中某些信息可能已经过时。6 n+ ? n% y9 O
u2 c0 @1 N3 E说明：在安装 Linux 系统前我们需要顾虑到电脑硬件性能，选择最小化安装非常有必要，毕竟服务器资源一定的情况下，系统只会日益臃肿慢慢开始拖慢所有服务，这些因素在我们安装系统前就应该考虑的，分析哪些是服务器必需和非必需从而尽可能的精简系统。3 S+ h1 n ], m* W: H7 }8 O
# B$ o- w- H) x& X/ K* dCentOS 系统精简优化
% L9 u7 T( _' x5 R, J5 H K8 Y删除不必要的自带软件包- O3 _2 t `$ E! {/ q% J
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yum remove Deployment_Guide-en-US finger cups-libs cups ypbind1 l4 \% h2 y4 L* U
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils# H$ M9 o+ S( J3 h7 g
yum remove sendmail* samba* talk-server finger-server bind* xinetd
6 U( \- t0 B6 @/ y$ R7 t6 e" @yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
1 \% V1 k+ r& q4 | }% fyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools6 y% I. _! Q* }2 D, o% ]
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"' ^8 r B. w' Z: ?4 r! G
yum groupremove "Development Libraries" "Dialup Networking Support"! z: N- a8 d' m) J; R
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
B2 ?9 q, ^ o' V' g oyum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development") n; Y; {3 x1 G6 ?7 l7 [
升级 centos 系统
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yum update #更新系统
8 F: d" d M3 C: Q# Cyum clean all #清理全部缓存文件
: s& i' t. I6 j2 c5 D9 J禁用 seLinux: ? }! f# f5 ~" b$ \3 h- c
# @+ C" b7 c% ~sestatus #先执行看seLinux状态，如果不是disabled，就需要执行下面步骤，否则不要执行9 a2 p6 x% Y$ m" R1 k
vi /etc/selinux/config
' Z1 Y8 }- h1 B- gSELINUX=disabled #禁用SeLinux+ s3 g- ~$ F- r% B. X! }7 T) d
SELINUX=enforcing #使用SeLinux
) f' x- [, r. J) d( ?禁止 IPV6（执行后需要 reboot 重启）
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vi /etc/modprobe.conf #打开文件，把下面两行加到最后
0 t' A: f: h) a+ Malias net-pf-10 off
9 E6 l$ k& |: Ealias ipv6 off
4 J7 F0 G1 U! x$ S初始化防火墙" d$ t. n1 [2 |
. x! |/ } f. f5 t- y6 N. ]touch /etc/sysconfig/iptables
" j+ Q, M @# Q( |, S' N8 siptables -F+ K7 I) K0 p. A: B# u, a! v$ H
iptables -X6 W4 m, Q, F8 f6 B% R: Y! y1 ~9 W
iptables -Z# W. _- e5 P6 V! A- A! }
service iptables save
" q* u/ C- [. Z) fservice iptables restart* l/ M, X. @6 ]: I: v& o
禁止无用服务
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#! /bin/bash) I+ P" Y; G) e+ Q
service acpid off8 b; h8 x* g! { {) j" u
service atd stop# `0 g8 b, p, }$ D) L! A
service auditd stop
- S- \# A3 I+ s5 Q" _ Gservice avahi-daemon stop
h! P% ~: Z X+ B) V0 yservice avahi-dnsconfd stop/ g$ p* h, d! O: b' i
service bluetooth stop$ x9 g- K- ]# Y+ T$ P7 ^. y, f& w
service conman stop" Q0 b: F! d# I5 n
service cpuspeed stop
- X4 h* G. k/ Z* O6 i Q, b; Rservice cups stop1 {" }" O5 ~. P
service dnsmasq stop
' P! P! N @& i1 f, o$ Eservice dund stop
& ]1 j8 J3 \7 E3 jservice firstboot stop3 O3 N+ `! }, k, b
service hidd stop6 _6 j- [7 c' Y1 ~& S
service httpd stop( i/ ~, C$ U0 c; N7 \7 S
service ibmasm stop
s; b% k+ y) r ?/ Z7 Oservice ip6tables stop- J* N' n2 j% w! z/ h: t7 C
service irda stop" z& Y# N2 Y/ m( D) @9 ^6 ~
service kdump stop+ n; J4 ~! q! O( a/ ]. F
service lm_sensors stop# K7 ^+ u1 X. X$ h d/ @4 R
service mcstrans stop0 g9 N3 s( j0 o4 |; b7 W# y
service messagebus stop5 N& B I( \$ p- v- q. ?8 ~
service microcode_ctl stop
% u0 \4 |4 {% tservice netconsole stop% X$ t0 X7 \2 w3 P
service netfs stop9 h% _: ]4 l Y5 z% S
service netplugd stop) B" J' \4 x* M9 T
service nfs stop
: a. @ J8 F$ d c& y) Oservice nfslock stop
- _% V; T- }. R6 `: P- |5 [service nscd stop
) |1 H' D( N9 c5 ]" h% Iservice ntpd stop1 o1 Q9 t8 ]; s. n8 _$ O
service oddjobd stop! {: X! t: p! N4 z! F" `" G
service pand stop
8 O3 ^. q, W. N2 H! Gservice pcscd stop
/ H1 S4 I+ W8 b Z( Gservice portmap stop" f8 f. y! C/ _ X! a. i- D- y$ T
service psacct stop4 ]8 _# k) P0 D! D$ C/ Q
service rdisc stop0 u5 L s, N3 J; b" B( f
service restorecond stop
, [) c& S: i& w% w5 o7 Xservice rpcgssd stop+ {4 W9 n! R' C
service rpcidmapd stop
, |- R6 B( s1 Uservice rpcsvcgssd stop
5 }5 N2 ^' H/ b# ^# \9 \7 e6 R/ W+ ]4 C [service saslauthd stop
9 ^( ?; a2 u5 w5 x% W1 Wservice sendmail stop
) d& p0 `6 G( q5 tservice setroubleshoot stop
1 F0 m. s# s2 p/ Kservice smb stop( b* U" O, y4 c* C
service vncserver stop3 P; G5 r, B# x( V8 c: a, i
service winbind stop2 O: R, e# `! x1 T+ ^( X# }
service wpa_supplicant stop& y' k8 i, g3 \$ S9 Z
service xfs stop
s. \2 m8 W" }3 P6 C) ]) Jservice ypbind stop
& _9 v: f+ o+ |, a5 J2 S: zservice yum-updatesd stop
p! R+ P f L6 `3 E; W( k( achkconfig acpid off$ c% ~, v0 w5 G' E" E& z
chkconfig atd off% ?0 o8 y% z& L; C+ Z6 T, ]
chkconfig auditd off
0 D4 W$ p7 Y" f/ R2 u8 qchkconfig avahi-daemon off
1 H& ^7 \/ h3 q. Kchkconfig avahi-dnsconfd off
0 {3 v5 x! S7 P rchkconfig bluetooth off
$ d6 D+ q/ d7 z4 n( X) B: mchkconfig conman off5 \$ [: y, x$ q4 [, F a
chkconfig cpuspeed off
5 A- M! m7 R5 Z. a0 Ichkconfig cups off x8 V" J& ?: Z- K! W1 y9 L" z
chkconfig dnsmasq off G {+ K0 t4 h( d) H
chkconfig dund off
* H, F4 c6 {5 b) _/ Cchkconfig firstboot off
1 {: H6 S6 C- o/ Q7 a4 G. Ichkconfig hidd off
# K! ]# C4 w6 O4 ^chkconfig httpd off( n$ |% L) s/ L- \
chkconfig ibmasm off
1 z& K- ^% ^' P U% S; `chkconfig ip6tables off
5 q0 ^2 ^5 u5 U8 Mchkconfig irda off. w% S k- A* E' U
chkconfig kdump off
( e% A& A- T; T' U5 nchkconfig lm_sensors off
, _+ ]. R+ H0 |* H7 P$ _3 mchkconfig mcstrans off
3 o! R/ A$ u: }chkconfig messagebus off5 e0 D& E' W# o; V
chkconfig microcode_ctl off
+ K c K& K. c7 n3 [7 r2 ]; c$ Mchkconfig netconsole off
4 f5 \' |0 f8 z4 D3 rchkconfig netfs off/ v D% ^5 |/ O5 n
chkconfig netplugd off) X- f- G! N' t+ a$ _
chkconfig nfs off( _ r; _: l% n; q. o L
chkconfig nfslock off( K8 t: a" P+ o' ]' c- c
chkconfig nscd off
% \8 s2 v7 P, |1 kchkconfig ntpd off! F* e4 w' P; Q1 h% W6 \$ J# Y
chkconfig oddjobd off6 X ~8 a% q! l+ v# x
chkconfig pand off
- `) T7 X: p( R3 xchkconfig pcscd off: V# X3 Q% Z1 l E% `" ~' R8 D
chkconfig portmap off
1 n8 c5 [+ l/ y; T" b9 x: Nchkconfig psacct off
, d1 K0 u1 C. V" V4 achkconfig rdisc off
" l' l( T1 d( O, b& nchkconfig restorecond off5 `1 p3 |3 r, a0 _. u' t
chkconfig rpcgssd off+ @1 j" {+ }$ }
chkconfig rpcidmapd off$ a7 Y" g- A1 i; A1 L- ^
chkconfig rpcsvcgssd off
. D* W. _. J3 F; Mchkconfig saslauthd off( l8 c* d" I5 K# K2 m
chkconfig sendmail off
1 F% X1 Q) f, ^8 `8 Achkconfig setroubleshoot off
* g, o0 {' F; ]) c3 zchkconfig smb off
" b; X# l: G- e2 U5 |9 V& O8 F, {chkconfig vncserver off# t* G. ^# d# p4 C
chkconfig winbind off
3 x W1 n# r8 T- x$ echkconfig wpa_supplicant off* y( Q; J. J5 n) v4 |6 `
chkconfig xfs off. W3 p+ ~3 L: o, c' q) a
chkconfig ypbind off. F7 H/ U( k# B) n# Y
chkconfig yum-updatesd off
, ~" u( s7 o) N3 o x这样通过上述 6 步骤，就可以完成对 centos 精简和优化。2 B% Y7 B/ h' q$ ?' `6 K }) q
2 g% p6 s* E" m) a5 e来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46