|
|
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 y. v2 l7 b# E! w- x) D8 k" f8 C
2 |# p* M% F8 x2 t3 H
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。) m( m# C8 f% i8 M
- r6 u$ V @, R' z
CentOS 系统精简优化5 G+ b7 B' U' x! H
删除不必要的自带软件包
2 @6 M2 q( `/ B9 S+ y6 S+ W( R" `2 n+ `' E' R7 w
yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
% A0 s% t, d+ z, M3 b. M* Dyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils9 h1 A" x' d: O4 B, _& J. A# }
yum remove sendmail* samba* talk-server finger-server bind* xinetd) i1 S) C. C6 }6 J6 w; y
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
( m0 g8 W7 g+ xyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
* O1 E$ @0 _8 L" e9 dyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development": R$ B. C5 F4 u, S* E
yum groupremove "Development Libraries" "Dialup Networking Support"6 X5 e4 i5 M K; G* O+ W3 \
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors": c4 x" n' r S1 @9 L
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
' z( g2 _2 B) X# k9 f升级 centos 系统
1 ?/ }+ i; Y' z4 j: V0 V/ @
1 ?. [4 ]9 }3 T1 hyum update #更新系统
! c6 t" H3 B, z5 U) a. ?1 myum clean all #清理全部缓存文件
2 T J7 f" A; |( K7 j( r禁用 seLinux% @- ?7 y3 d) I. ` a/ N+ s- d9 G
5 U2 {) a% `3 B) L; i/ c5 \
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
* `$ y& X0 J- I" _+ Uvi /etc/selinux/config) |) u9 V% S& h4 ^1 i3 K
SELINUX=disabled #禁用SeLinux
" Z3 e1 Y% j1 u" y- dSELINUX=enforcing #使用SeLinux, B3 U% v& {# [9 n1 k
禁止 IPV6（执行后需要 reboot 重启）0 E" p3 n. V7 i8 k6 \4 x+ ^
) t6 I5 Z5 I7 G+ J0 s# r5 ?1 f
vi /etc/modprobe.conf #打开文件，把下面两行加到最后
% U+ v7 w6 ~1 Walias net-pf-10 off1 X8 O4 {4 h/ U/ b6 L2 U8 |4 \
alias ipv6 off, P3 f) V. k& q& H& V
初始化防火墙
) S2 d. {$ _' x5 o# ~$ H! C- z" Y6 \/ i
touch /etc/sysconfig/iptables4 H$ ?6 A! D% f$ r4 @2 \) i
iptables -F# t" t/ n5 A. D7 C4 B2 A
iptables -X
5 j" w, e7 P3 `6 p# D/ Eiptables -Z
* R8 a+ E* W7 M+ V! ?service iptables save L" f' Z& u, Z J( V
service iptables restart
; ?/ @0 W% |' [8 b禁止无用服务
( l1 W- [; T# |$ N% ?1 e2 t1 j3 U$ _: f% I8 d7 R2 W3 ]
#! /bin/bash3 U1 `1 m* [# h n5 g8 p3 t
service acpid off$ c: V) W+ [: \$ P& s
service atd stop5 y# y3 O# h: k* e6 G: d6 W
service auditd stop+ ]3 j5 K6 g; S: w5 k3 x+ l
service avahi-daemon stop) O: P1 t5 D/ l2 S# U# a& b
service avahi-dnsconfd stop
4 a, r# Y% q. I% w9 x( s: k' R: t9 Gservice bluetooth stop
$ y7 _6 ?% Y4 \$ ^9 ]" @6 N1 kservice conman stop
' W( p: o8 _: y$ @; g( s; fservice cpuspeed stop* _: }- c9 Y' t" T
service cups stop
/ O, ]3 A: x9 x% ]6 t: |service dnsmasq stop" x& ]+ J4 E+ l8 K
service dund stop
4 l# j5 c2 \2 r, p+ X5 q& z3 `service firstboot stop
8 t( i4 g% g; X! e5 ?6 `service hidd stop6 a4 x5 Z8 ~+ @' b$ e% @- p& R
service httpd stop" c8 E0 \7 r. L
service ibmasm stop4 `# T$ b" X; M- Z" L
service ip6tables stop1 ?$ W: h) [/ e4 A' F
service irda stop
$ ^8 z8 i! h, p4 G1 J- ^, G# rservice kdump stop
* g0 O) G! d* s0 Cservice lm_sensors stop9 u, K+ `) a% C) c) I9 y
service mcstrans stop
1 {6 Z4 M' [7 M4 yservice messagebus stop
% A# r( V3 r7 n; M- Y' D7 ]% hservice microcode_ctl stop& ^& {- P2 t* z& _7 }" l
service netconsole stop
t. D! B) G: |! Jservice netfs stop8 _9 h& H6 v) P. i
service netplugd stop
8 O" A r! O& M: ~; pservice nfs stop) v" f7 ^, o2 i0 K0 _
service nfslock stop
4 Y0 Y' l9 j- \service nscd stop% J* W5 b6 z0 I( O9 t
service ntpd stop
# y* X E' Y- f, r) T1 ~9 J" iservice oddjobd stop
7 [" G& u: B9 O+ T6 F1 ]service pand stop0 |, o; U2 o9 M$ @8 h A1 Y
service pcscd stop& n1 I( _5 N6 [+ ]
service portmap stop
# U7 y! y% n* F' P: rservice psacct stop
9 B2 A; i9 m0 d5 G) fservice rdisc stop) C+ L; F& Y: h* c
service restorecond stop$ F* A& R ~( |! D) z/ |3 Q5 ^
service rpcgssd stop( B* E/ I3 Z) T$ {/ ]8 ?' N" g
service rpcidmapd stop
+ |4 S9 ^. ~) h8 m( _3 S$ r( Mservice rpcsvcgssd stop
. ?8 ~8 K5 ^5 p% {service saslauthd stop
5 p e* M; K. ], ?! x( L7 G/ ?service sendmail stop
! `4 u1 K' \$ p5 g7 yservice setroubleshoot stop
/ j8 G6 ]7 I& d& a( A7 q7 w2 nservice smb stop i0 _$ z+ U$ o; s5 Z3 c9 m# {
service vncserver stop
; @+ Q- N& f( j* j7 gservice winbind stop; }8 I7 m. }! f" }
service wpa_supplicant stop* d. h! X& ]% J r2 D, `
service xfs stop0 f0 Z9 ^# l, o
service ypbind stop; ` v) h# j$ [- _$ e3 R
service yum-updatesd stop' a3 w6 h! g2 h/ j; }5 ^
chkconfig acpid off7 |2 P1 W, t2 {+ {5 B5 u' c
chkconfig atd off1 |7 @, h% f7 F c, v6 B
chkconfig auditd off @! N, k# g" A2 A3 x8 q
chkconfig avahi-daemon off
/ n7 f6 L5 k, d9 Rchkconfig avahi-dnsconfd off
( D& Q+ m, U5 R6 D4 vchkconfig bluetooth off
$ b0 y# k) F3 N4 e2 v+ }& K, Z. L; achkconfig conman off, h! |' V: L* Z
chkconfig cpuspeed off
; T( ^: d6 B+ b7 [( ichkconfig cups off
! ?6 h0 {4 f+ i) gchkconfig dnsmasq off: n! y- j% d' W
chkconfig dund off# j8 i2 Q0 ?/ a) y1 }
chkconfig firstboot off% o. b+ j6 V( e- \9 E4 p
chkconfig hidd off
) k% Z9 s6 Y6 k& gchkconfig httpd off3 H3 h, Z! A8 \2 K
chkconfig ibmasm off
" l% z( s a" S" D: fchkconfig ip6tables off( i* M, G! @: w5 J' h
chkconfig irda off( f( Z7 l) G9 {: _1 G8 w& H
chkconfig kdump off/ x- I: T: j& }
chkconfig lm_sensors off* S8 b5 ^% a: x! l: T8 X
chkconfig mcstrans off4 K& I: i5 F3 [. p3 V. g* D4 [
chkconfig messagebus off- ?+ s' U- S: O9 z
chkconfig microcode_ctl off5 y4 K$ ]* r/ w3 A0 N# \
chkconfig netconsole off
; `$ U R1 R! F% w/ Z" R) Fchkconfig netfs off N% ]& E9 q! x/ B
chkconfig netplugd off. q' t* h2 r# P; _) ^6 y h
chkconfig nfs off
2 ?- `3 D4 ?, |chkconfig nfslock off
% L, r* j' e* O. |. Hchkconfig nscd off" C7 K E) |9 ?+ S4 d6 j5 l( I
chkconfig ntpd off7 P6 Q- x- b# m
chkconfig oddjobd off
$ W. M3 N4 b3 Pchkconfig pand off# |. d" F4 A* Y% J. F! A. k
chkconfig pcscd off
+ ?7 X: L z2 k" nchkconfig portmap off9 H* J7 V9 q4 ~; f: _, ?$ X
chkconfig psacct off
. s) V [5 p# N! fchkconfig rdisc off
0 o; s0 w8 L/ z# ^chkconfig restorecond off
, w4 H9 W2 S: ^2 C6 t% vchkconfig rpcgssd off1 a% ^! V+ k3 i& R/ E0 p$ G
chkconfig rpcidmapd off
" S5 @+ _0 ~6 z7 U- Hchkconfig rpcsvcgssd off
7 H' _( \- T+ n. i5 hchkconfig saslauthd off
0 N. D0 ^4 X. s: J/ Y! ]4 V" g; echkconfig sendmail off
2 i4 b/ N" w$ }+ Schkconfig setroubleshoot off
' w5 ^4 x$ p9 k4 O$ K( zchkconfig smb off+ g9 ^. s$ D/ Q- N* G! @
chkconfig vncserver off& X& o/ U2 C \8 `
chkconfig winbind off0 y. q. w/ B+ Q0 C
chkconfig wpa_supplicant off
+ {6 b' w9 }* {1 l7 S4 l* @chkconfig xfs off
. _8 ]! v4 U6 |4 @6 |chkconfig ypbind off
: B( v( ?7 W% i# H7 P% b0 jchkconfig yum-updatesd off
, W/ ^9 Y1 g' n( n这样通过上述 6 步骤，就可以完成对 centos 精简和优化。
7 P/ w- N8 {1 k C3 h6 G( e8 B T6 G' B3 o8 p) e' U' n
来源：https://www.moewah.com/archives/2407.html |
|
粤公网安备 44030402006137号 )
发表于 2023-8-8 10:29:46