|
|
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。1 Z0 ^8 G% L/ Z9 h1 @5 n
9 O( \ m: }. T& `4 X- e* b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。
8 G8 m" O; S% v; [2 b+ O1 x) ]1 x: q
CentOS 系统精简优化 r' z- [2 v* v8 A3 U. I
删除不必要的自带软件包- E$ a: r, a" h/ j
% y& U8 O4 P2 ~$ b9 z2 fyum remove Deployment_Guide-en-US finger cups-libs cups ypbind% d) G* |! l7 }' J! \
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils+ x+ n6 S$ D: K" m! W9 g+ b. n7 h
yum remove sendmail* samba* talk-server finger-server bind* xinetd
! \. S2 Y* R; |( N8 |% Zyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools. i8 k# K" _ e ?
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
0 x! {. }' G" l) t7 g+ p( N0 {2 K2 cyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
( n+ p1 |/ C& j+ K0 I2 }: ?4 ayum groupremove "Development Libraries" "Dialup Networking Support"/ L! s9 _3 G2 y) F& P& S- N2 X
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"' D9 E }% M( w8 I. u/ g
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
, Q. Q, U% K8 ~升级 centos 系统
; G. F. Y( p; o( |5 w) Q |3 k1 Q* V8 t6 j
yum update #更新系统
0 Q) R" s+ @. z2 x$ P% A5 xyum clean all #清理全部缓存文件
- I( E# F& Z. q v4 ^; d禁用 seLinux
9 ^% X" B" j/ u
: b5 e( l1 F- D3 q% Hsestatus #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
! U; |/ d" ]0 ?% `# U$ n0 tvi /etc/selinux/config
1 t7 \3 `- T5 F9 H2 g4 ]* hSELINUX=disabled #禁用SeLinux
3 |" i: a- N, \) V1 I4 H0 BSELINUX=enforcing #使用SeLinux2 [0 T( U I7 n- m* Z. Z% W. S
禁止 IPV6（执行后需要 reboot 重启）
5 A" q$ }" h7 j: r. G3 I1 |! e) o
vi /etc/modprobe.conf #打开文件，把下面两行加到最后
e A0 P/ @' e: O8 yalias net-pf-10 off
, E6 T# O! p3 e, W+ b) salias ipv6 off* e/ P* t% |9 [8 G$ w
初始化防火墙
J M& q) B X6 r) N! B7 X
# e# `( B# P3 `% Htouch /etc/sysconfig/iptables
7 U4 h+ o' Q/ X. F7 ?: liptables -F
1 J+ U7 c( c/ d/ k5 p6 Hiptables -X
6 |, ~( w% K+ M$ P0 j) wiptables -Z
5 E: Y/ y$ a4 m- o4 K( Aservice iptables save2 Z* h0 T% @7 E7 c; U4 c& {4 W1 }
service iptables restart
6 P, v g ^" s+ V' Y8 @禁止无用服务! _' s/ o6 f4 Z- U i$ H$ z/ g
6 e$ M0 e4 ]1 P+ z" |1 T! ^+ t! N
#! /bin/bash
$ b4 p( W, `' G( L2 S4 u0 oservice acpid off
! w8 P" `4 \- e( D1 zservice atd stop
8 P) O0 h- D+ T' kservice auditd stop
: h4 V" I( Q! U0 }" z7 Kservice avahi-daemon stop* ^, e4 F" V+ g+ s L
service avahi-dnsconfd stop
4 K" @7 R5 I: n7 n# Fservice bluetooth stop
8 H* W1 G) \3 t5 tservice conman stop
8 D7 }* K7 L" j! }$ Fservice cpuspeed stop$ M6 p& x+ P/ N9 D- ^& Y- u
service cups stop
/ w, g, X1 p3 L7 Z, d. L/ zservice dnsmasq stop
' C9 ?, F, U- R, c6 y4 R( X8 Kservice dund stop
/ O: ` t; S0 D4 R" a7 Hservice firstboot stop. |& q1 ~4 ]3 B7 j
service hidd stop& x8 r) `; {5 _" |: d$ e
service httpd stop$ O1 N* W( I1 \& n ], }; F
service ibmasm stop
9 S# u; l/ \& f0 x0 Z- Cservice ip6tables stop
+ f( J3 U" v' oservice irda stop
" W3 u7 ]" v; |- p% r& Dservice kdump stop0 R/ a# c- E5 @3 T
service lm_sensors stop9 @% w7 N" y. F& v, ~
service mcstrans stop6 _. i; K. y) Y, e* S
service messagebus stop8 U0 e; O% Q# z/ Z9 l+ L0 E
service microcode_ctl stop
! ~" D4 A, Y# k- U. A) O4 j0 Eservice netconsole stop
& K7 n7 o( [) ^6 V Kservice netfs stop+ I7 n' A) H; r- s! k2 p' _9 V
service netplugd stop
) N: z$ K6 ]9 J+ U Wservice nfs stop
3 y" ]+ H! }; V9 Y4 g' wservice nfslock stop9 k$ Y4 q4 S3 [. \
service nscd stop
5 M( h( x# v+ Q0 wservice ntpd stop
0 z+ Z. P E6 `& w, yservice oddjobd stop
- v! ^6 h& J5 z# Z$ E' D, i& gservice pand stop
q& [2 J) T$ T; S; zservice pcscd stop
$ ~( {( n4 @1 g4 v- Fservice portmap stop! m. s; z0 _ P( S( o6 k6 [
service psacct stop# j/ d B0 }; T5 A# P! M m
service rdisc stop
$ b; |( m3 n2 ^% k8 sservice restorecond stop
9 `- ]! E5 z+ ~) \; w3 s+ A' ?8 gservice rpcgssd stop1 d; u& l( I. S5 J
service rpcidmapd stop& }2 B5 ^# L% v, z" h' R1 Q" Z
service rpcsvcgssd stop% L. V2 N$ n! Q2 b2 _- L7 x
service saslauthd stop& V [# y. h3 D$ L
service sendmail stop! t* s4 `6 h* C3 M" V1 `
service setroubleshoot stop
+ s% g- j) o" D% ]; dservice smb stop
" f; X6 x1 }! lservice vncserver stop
( t" K, l0 e2 \ Z H/ b* E* Zservice winbind stop
# i( G- e$ e2 b1 t$ p7 q/ ^ Xservice wpa_supplicant stop' \8 m" K% [$ E. x5 p3 ^# [ z
service xfs stop
: S: v2 a: H" N0 x( Rservice ypbind stop6 |$ C& E: v3 Z' r8 n1 S- }7 W
service yum-updatesd stop: r7 s( }$ U- t7 j
chkconfig acpid off
9 ~0 k1 G$ a% Ichkconfig atd off, Z7 S; S V4 M$ z* ?. M- u) `
chkconfig auditd off l3 i9 r& c- ?2 E
chkconfig avahi-daemon off
1 V3 z$ M- M4 _ Y; z* q, jchkconfig avahi-dnsconfd off
& H1 Q) N- i8 q+ ~7 {% D$ s7 dchkconfig bluetooth off
, p: u8 g" c; e* S* z& \4 Jchkconfig conman off6 |1 Q7 C7 ` @' V# m/ t1 E/ `
chkconfig cpuspeed off) ~9 |' |# ^# |7 ]; ~
chkconfig cups off/ s0 {+ f6 P& ~$ R1 `2 C7 y0 d# e
chkconfig dnsmasq off; W6 o: N% E& ? N [6 w
chkconfig dund off) r" ?; _, u1 W; R. w, X
chkconfig firstboot off
, z3 J, X& ^7 {1 K kchkconfig hidd off
W8 c' B) l- d* f8 u3 Y& Fchkconfig httpd off
0 f4 l: q, o0 U9 L; Ochkconfig ibmasm off- {; g2 B E" A7 v: V: G9 i( X
chkconfig ip6tables off% H- {/ o q) [
chkconfig irda off
& P; Z- x. W/ o' r7 E/ ]chkconfig kdump off
/ K4 |. b) ~7 d8 {" T/ u5 b$ Gchkconfig lm_sensors off( ^" O* K3 h4 q4 b& t) Z+ b
chkconfig mcstrans off8 K$ `% e2 C( D: M1 z g% l8 B u9 O* n
chkconfig messagebus off
. a5 {* D5 d* m) L! V7 ]chkconfig microcode_ctl off4 q6 e* j$ S8 p/ w
chkconfig netconsole off
/ Q8 X( [7 D$ \6 w( e/ Jchkconfig netfs off
3 |' W# F$ c$ r' f* vchkconfig netplugd off1 U* R. X, z4 A; {% ~
chkconfig nfs off5 T2 k3 m! T2 G# N
chkconfig nfslock off9 s2 F1 y* h0 |
chkconfig nscd off
l# U6 ^7 ?7 T. N! echkconfig ntpd off
, G v: _% l& c5 @6 hchkconfig oddjobd off: H" }/ g' R, K
chkconfig pand off
( M8 o% h3 h3 q# J achkconfig pcscd off
$ D8 X) m' T9 z6 Y. s* ]chkconfig portmap off
/ ^% i/ }7 j! a6 Y& J! x: Gchkconfig psacct off& S ?& n6 v9 ~! T
chkconfig rdisc off0 M3 a/ m6 d: l& b' a# a, \; J
chkconfig restorecond off7 X8 ~) n% S( y0 f5 ?+ d- D
chkconfig rpcgssd off
4 ]& x* ~" t7 y1 @* |: schkconfig rpcidmapd off
& \8 G6 s3 [3 L$ w6 X% N) e! kchkconfig rpcsvcgssd off
. |" ?5 b {) W/ _: jchkconfig saslauthd off
; J, _/ ^, e3 h3 wchkconfig sendmail off" |2 Q# @8 Q( F
chkconfig setroubleshoot off
+ I. t- D# _& z1 H: @8 `1 Gchkconfig smb off
% ^. h1 d8 E8 `. k; d% cchkconfig vncserver off
# ~: Y2 t1 q% k! X6 ochkconfig winbind off
4 ~, y' m4 t1 x# j8 m0 {- i+ c+ H3 ^% mchkconfig wpa_supplicant off1 y2 j, B- e5 ^* S+ K, b/ R
chkconfig xfs off
0 p& \# f) [, P6 ~; t9 S- E: Y) [chkconfig ypbind off
- L; B \) j) h' Gchkconfig yum-updatesd off/ ?% U+ E8 l, q: r6 @9 Q# ^
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。# | X) K; k+ S7 K- V% O. ?
# k7 i3 \- G* \& ?
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