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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。& H! N! o5 r! e% N
; t" s; Q2 }0 b% c& w, n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。. X& F% W+ M4 u/ n' @9 [+ t
* V5 z+ ?* b, }( m4 _CentOS 系统精简优化* j$ t, ~: m: \! ]8 E2 U
删除不必要的自带软件包
# @/ F- z' ^; y8 I; {
2 V; n7 o* {8 F( m* T. wyum remove Deployment_Guide-en-US finger cups-libs cups ypbind
1 R' j3 Y! t% n8 n# c# }yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
$ u/ F' s6 ^' k% Vyum remove sendmail* samba* talk-server finger-server bind* xinetd1 \/ D" z5 w( C& A' R
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
- v$ d: C* F6 h7 m g! u9 y6 r# myum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
* E# J7 q3 Z! `2 D* B+ t: u. A* Hyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"7 o! Z# s8 P( `+ ~6 D5 z |
yum groupremove "Development Libraries" "Dialup Networking Support"
_+ h9 x: B7 E. H% c* Q* `! {yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"3 T5 z, O% p7 ]! F% w' S* X
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
( E% h- u3 ~/ `* w) Z7 F: R, }( ~2 s升级 centos 系统* c4 b# |. A' K
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yum update #更新系统
' h" w7 }( [( cyum clean all #清理全部缓存文件
2 |0 D- a U* W+ O, d. a# T禁用 seLinux
8 L; C' A/ i! T; p/ |7 }+ `, t4 W
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
1 ]) D* {/ E/ l8 w! G' [vi /etc/selinux/config
8 I6 @" S4 @( Q8 z/ h; j4 dSELINUX=disabled #禁用SeLinux
: S- f& j* r, [% W+ x# SSELINUX=enforcing #使用SeLinux
5 X3 \* w% D# x- n/ {0 H- |/ o; I禁止 IPV6（执行后需要 reboot 重启）
! G3 A3 J# o4 d- e1 B: Q; T
: e$ o8 O0 A+ _4 Q5 P' ~vi /etc/modprobe.conf #打开文件，把下面两行加到最后
6 N" K; b3 x: f: C4 Ealias net-pf-10 off
; x" h4 S4 ?" h$ kalias ipv6 off
- \4 Z& [+ R+ [" c c9 I, W7 ^初始化防火墙4 B( t; m. c# g" y" D
3 i# l8 h6 y) S9 f7 ~touch /etc/sysconfig/iptables
$ r. q- M( k8 p: n4 Kiptables -F
0 K: w$ D+ P$ ]4 q+ liptables -X
) B I# ?) K U$ h+ R) D6 aiptables -Z* j2 f7 A/ [$ p4 F7 j. j
service iptables save! y/ t5 i/ O A" V2 _& ?) U: x$ R
service iptables restart
. I1 }3 K m2 q; [* J) k禁止无用服务
4 g5 O/ R; K; H0 ]: N Z" M
& D/ H+ C, L' h9 B& b. i#! /bin/bash
9 c# w+ v& L$ [2 N2 Sservice acpid off
0 B; j b; n( O6 J7 dservice atd stop
" k6 l' G- X3 y3 Aservice auditd stop0 |/ O7 v" C( x) @3 u
service avahi-daemon stop
/ m/ A5 C5 D1 w k& w7 N3 Z6 mservice avahi-dnsconfd stop
: c E% b& t+ M2 eservice bluetooth stop/ c$ h9 ~* D4 |
service conman stop
! B( n1 N; ]- F4 ]service cpuspeed stop5 s7 s; O. k6 i# t
service cups stop
?: d4 m+ N1 Z4 S7 `service dnsmasq stop' h* }! [) b4 @- G. A5 P
service dund stop6 @3 A% r% Z. W, g
service firstboot stop
( P( Q# v+ _( G$ u4 @7 J- G. E1 Oservice hidd stop
! Y5 A# }' S3 s' S% M& ] ?service httpd stop* w% n/ Z6 ^8 Z
service ibmasm stop2 _. L; y, }# k. l, [% Z; D5 l: U
service ip6tables stop
/ Y' Q5 T' U/ S- d- Z. z% \service irda stop
( I7 B# \( O7 O5 D2 Pservice kdump stop
+ \( t3 v, X" f2 f9 f! w* z- Wservice lm_sensors stop
( w2 g$ ]& F8 Y4 J7 }+ wservice mcstrans stop
+ m2 c' b) h/ V' \service messagebus stop
& M& g1 q8 P, _ C7 Pservice microcode_ctl stop ^& V) ^( o! K n
service netconsole stop
7 _* x/ E8 j* W* h+ j: U, S7 |service netfs stop* L6 g6 t ^0 Z* l$ a: a: Y
service netplugd stop
- z% U) R8 }2 j' l0 cservice nfs stop7 ]3 x; i, Q( X$ X" Q6 U. W. f
service nfslock stop
- R- e, P2 N; v! A# F2 Y) ~service nscd stop a: U- d% }; v2 H' z, {5 N
service ntpd stop; `" D# t" q" p
service oddjobd stop
5 J$ A q1 h/ ~# G p% gservice pand stop F% H$ }6 q; c3 }
service pcscd stop
/ ?& r/ a% K# e2 v* a1 @0 m) }service portmap stop2 u' u+ o( J2 L# ]5 U" h* M; _" m
service psacct stop
7 U; A/ C O# \8 n7 r3 vservice rdisc stop
l- k# v9 j; p$ }+ A7 C, u* aservice restorecond stop
8 _. f/ x) m& j4 T `/ l: c/ H2 Kservice rpcgssd stop
) M0 v8 a" P3 q5 w7 K6 Pservice rpcidmapd stop
0 {5 [( H; Y& H; j7 r( Aservice rpcsvcgssd stop
0 R9 k6 R& e+ s. C7 D. S8 L9 b F, lservice saslauthd stop. n1 [6 j" h- o3 L7 n
service sendmail stop
, e8 b6 F( V1 g+ Oservice setroubleshoot stop
( {( T! E z2 Aservice smb stop
* l3 j, |* R7 g9 V% V: M F8 ~, qservice vncserver stop5 o# B* |9 {9 ]
service winbind stop: [7 p' t: U* j
service wpa_supplicant stop
9 a* \6 I: s% V |5 vservice xfs stop
% g: @" W' D5 q6 T$ d, x* Bservice ypbind stop5 h$ l0 V( v& I, W2 P! ^! B0 U
service yum-updatesd stop. U: |# e3 Y. S1 W& o/ }2 n- h
chkconfig acpid off
0 G; x5 E! p2 s' g' v3 g Bchkconfig atd off: k( z; g/ d! q
chkconfig auditd off
& D* E) e! w+ t. Z& N% j! hchkconfig avahi-daemon off; j# u! ]7 W/ A. k z
chkconfig avahi-dnsconfd off" F% A# J) ~% ]0 y
chkconfig bluetooth off) g2 P( I' \2 t
chkconfig conman off
& @5 f' \5 @* V* ^' V1 i" xchkconfig cpuspeed off
0 V- g; h4 T- w4 e( }chkconfig cups off
, L) y: `! H4 c* |6 G; zchkconfig dnsmasq off" L& o. _# g6 ` S% O
chkconfig dund off
8 [3 b5 z! J" K5 k" Y& Zchkconfig firstboot off0 }5 S/ Z% j+ e
chkconfig hidd off
' G1 D9 Z8 Y1 w. I+ Nchkconfig httpd off M9 K |0 g9 f: P
chkconfig ibmasm off5 |6 _( w1 K9 E1 K/ o. `# ~1 \1 [
chkconfig ip6tables off
* f8 m* N+ }+ Ichkconfig irda off7 F& I7 b: a% |
chkconfig kdump off
4 ~( U8 ^- v9 T3 v9 d5 U2 P+ p6 ichkconfig lm_sensors off
5 }" c% J. s* |1 p* ]" r( {3 i+ `chkconfig mcstrans off4 w! d- R# ^+ u! F( P k2 @
chkconfig messagebus off
& J+ D$ ^/ n4 D, ~chkconfig microcode_ctl off7 L- g: N& h9 v: M) k) l) g
chkconfig netconsole off- N4 a* ~3 c8 r* B
chkconfig netfs off) a3 ~) x9 b5 p+ v+ _
chkconfig netplugd off0 t7 j0 J$ B& B, a
chkconfig nfs off
) T2 Q0 p( t) \+ x1 X# G6 hchkconfig nfslock off: i4 q/ r' {& ^& r& g: E! E2 p$ B' S& f
chkconfig nscd off) K9 v+ }& g/ N% e0 X+ `
chkconfig ntpd off
; S- v" p+ { t, hchkconfig oddjobd off
$ C' d4 w6 {7 r1 h/ Rchkconfig pand off6 t: ?4 J6 k: L; v/ w4 ~1 f' Q
chkconfig pcscd off
! _0 n( i- R9 q8 Dchkconfig portmap off7 W% o. a0 e/ ^$ i( d1 }! Z, t* P
chkconfig psacct off5 ? x% K1 J5 o$ T N m P6 c
chkconfig rdisc off; b4 t! z7 Q6 `& m1 x
chkconfig restorecond off
% Y/ s3 s0 v" h5 Q5 `chkconfig rpcgssd off
: y o+ v- S# y/ E1 T9 Xchkconfig rpcidmapd off
0 n* ]7 e. g$ b" F, bchkconfig rpcsvcgssd off) ?: t5 }9 q; |3 w K
chkconfig saslauthd off
8 i/ O' M! ?' M& Rchkconfig sendmail off
- u4 s- [# O2 k" O( lchkconfig setroubleshoot off
' T1 a- \' l! i+ a+ N! qchkconfig smb off
- P* g; k* E# B: x0 ]2 qchkconfig vncserver off1 m- ]1 @! x N
chkconfig winbind off9 o' c# e: O& `+ M
chkconfig wpa_supplicant off2 H# M6 O; b9 G4 t; o, }' O2 n3 S4 W2 p
chkconfig xfs off
7 m5 b% \+ `/ \6 _4 ichkconfig ypbind off
) }& }7 e' ^9 L# G1 a4 Echkconfig yum-updatesd off; t7 t% ~5 j A' p3 m
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。! \8 u' z, o4 t5 J+ r
a/ ?" J9 A! M) [4 d' [来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46