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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。$ z3 ]' e/ p7 J
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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。$ F% S/ o$ p* b" n, p
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CentOS 系统精简优化: t$ A5 i6 J* ~+ }9 x
删除不必要的自带软件包
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& ]7 v* u4 k1 @ e* j6 _( _; F6 [$ }yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
% O; ^# u8 E# U4 o4 |yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils L/ q4 f$ D4 [1 ^5 s8 t% f# v1 Y
yum remove sendmail* samba* talk-server finger-server bind* xinetd
+ A6 H6 i2 W7 [3 a+ M5 C. dyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools2 q* j; g/ K) F* \5 |, ?
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
" q9 D" w0 ?$ b9 b4 Wyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
3 W% P( h! k n6 l; d3 `yum groupremove "Development Libraries" "Dialup Networking Support"5 o& ^7 x" Y, B1 l5 O' V
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
+ [9 M. R7 T/ z# [ a8 k' yyum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
% S. o8 a9 P# i; I+ }+ |) C升级 centos 系统" u( o+ C3 t" o# s# |
1 L5 ?8 h/ q" W* Lyum update #更新系统* z. g1 u# @& p/ y
yum clean all #清理全部缓存文件+ I) N7 L; n* z( \5 e( {
禁用 seLinux
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$ y, C& `- T/ v) `2 D% Ysestatus #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& @. {0 ]; r, t' H; e8 B8 e: v; q2 J* Q6 P
vi /etc/selinux/config5 K7 W( ^4 v g$ g
SELINUX=disabled #禁用SeLinux1 D% x3 x0 i1 D1 h
SELINUX=enforcing #使用SeLinux* i! I; K6 v5 `+ t
禁止 IPV6（执行后需要 reboot 重启）' Y7 n3 w, \! g0 E
) A5 E8 ~% q3 {, J/ ~vi /etc/modprobe.conf #打开文件，把下面两行加到最后- Q Q% h$ J8 ~% u# U0 _! v
alias net-pf-10 off- p; @. j5 z7 x: b9 J
alias ipv6 off l! y9 D4 j0 |0 R
初始化防火墙
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" u* T5 ?1 F! g, A6 Htouch /etc/sysconfig/iptables' u; v8 J) Y9 Q
iptables -F* M' H, |, Z$ t+ ^9 ~
iptables -X; }5 Z. @/ n3 I! i
iptables -Z
$ C" D( @1 A7 A4 i/ ?, P6 Rservice iptables save
2 k2 ?) M. r/ Fservice iptables restart7 L# y) i2 C+ u3 I+ [
禁止无用服务
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#! /bin/bash6 L$ y5 E2 M0 M
service acpid off
; m% q" }0 |; y3 y$ C& x* \service atd stop) T$ q+ T8 Z' W1 C1 [
service auditd stop
7 [4 k7 B. J2 s8 Dservice avahi-daemon stop! O4 n" O* x( o/ c) P. D4 u4 p
service avahi-dnsconfd stop
4 j8 ~9 H! O* ]2 E7 p% N- o3 f0 Yservice bluetooth stop/ g& N: X/ s8 d+ P' q& C( y
service conman stop9 @0 v# X, M( x( f) f3 z( f
service cpuspeed stop' _8 W: z( q9 ^( o
service cups stop
8 h; q1 X8 s. ~service dnsmasq stop, q. d x. N0 x4 p/ \: o0 Y" c
service dund stop# g$ K- b, w( b; r6 |3 u
service firstboot stop
" @+ ] h5 n. }# Y, F4 \, [service hidd stop h; d3 j7 _* r1 |4 ^5 e! `
service httpd stop! G ^8 f2 _5 B7 r5 x4 g7 n
service ibmasm stop
! Z! |, R: x' A2 |& gservice ip6tables stop
) Y8 j7 i* N# W) @( kservice irda stop2 |: G0 v3 H6 h0 L3 I+ l6 ?0 g7 U9 d
service kdump stop
: Y; M, d n7 S9 }) dservice lm_sensors stop
/ b1 L' \5 M: B" y9 h5 nservice mcstrans stop2 N/ p5 d7 c4 p
service messagebus stop
/ K. h5 |: ~6 d' \service microcode_ctl stop% V C% O, g! q; m; n) X
service netconsole stop
" G; V* o7 k, g( N+ V% u+ r, Dservice netfs stop3 r. m! a& Q3 |- t
service netplugd stop
: F+ r4 G/ v: C2 ^( @service nfs stop
9 A+ N( Z: J: Nservice nfslock stop
4 _3 x% }' c' C- a" f! ~) A2 X2 P- M0 Pservice nscd stop
0 g9 j. |# d8 t) a& g5 G) E4 k ^service ntpd stop
; B4 Q& t( R1 D) j, \4 y9 D) r/ rservice oddjobd stop$ @+ N" L- l, J! t& k: S* d
service pand stop
7 ^; J$ _3 x. y% zservice pcscd stop
* [; V. y7 n* `0 Dservice portmap stop
% i( I. I" D( `9 u* j) vservice psacct stop
& v% @5 O9 _$ N6 {6 L' }; kservice rdisc stop
1 E. l5 P3 O3 C7 d" z6 Cservice restorecond stop
4 E+ W2 D9 M. C: g& l( B; p) ?service rpcgssd stop' ]* V$ q, S6 B( M
service rpcidmapd stop
; [) l: Z/ d# z4 j( a' w2 ~1 V$ Oservice rpcsvcgssd stop! B( a0 w1 H: F( @2 [( a6 E# X$ w
service saslauthd stop. {6 D- ~% @3 x' L7 m) W5 K
service sendmail stop" E6 M6 h/ D- h% v# D( j
service setroubleshoot stop9 \. @% Q( r5 y
service smb stop
: z" G3 W& X+ w! ]- N7 e. e! xservice vncserver stop
l3 {: O$ v* h' { t5 X; m. Qservice winbind stop
- V; J7 L5 s! t8 u& |service wpa_supplicant stop& v0 r* u* { v9 \, @
service xfs stop
0 d& [& {) l1 ^ g2 ?service ypbind stop- I/ y2 c+ Z' f/ a2 E" J6 y, w% M
service yum-updatesd stop
$ ^* C `9 i2 P0 k$ |6 d: C$ m8 Wchkconfig acpid off$ J" G& t. I' m9 I' |) {! C* U
chkconfig atd off
1 \# E* g9 `5 F5 B' K. P7 \6 wchkconfig auditd off
2 q9 b% Y. q! nchkconfig avahi-daemon off5 B- L0 S5 ]; X* I
chkconfig avahi-dnsconfd off) `: \! Q' h+ p
chkconfig bluetooth off
7 s. Y `& q3 Q- Hchkconfig conman off
) s; X$ E- F! }, P! kchkconfig cpuspeed off
9 h7 I! l0 w) D" ichkconfig cups off
/ t; V2 Y# J* z( y1 |" O/ |chkconfig dnsmasq off
6 i( Q: O, n8 Y. R1 Q, x$ \" Nchkconfig dund off5 R0 D- K3 q. P2 e
chkconfig firstboot off/ M" i; z) W+ ~( h7 L7 G
chkconfig hidd off
; L0 {) n7 Z# d! [+ k% |! y7 Ychkconfig httpd off! ^$ ~+ i+ c9 W0 S1 n" R _
chkconfig ibmasm off6 M3 c, z& E' `, }- `+ b! C8 c
chkconfig ip6tables off$ S6 l! ]* R2 M' f
chkconfig irda off
5 d( h& }* c' Kchkconfig kdump off# a: u" q, d) E4 k3 v
chkconfig lm_sensors off
7 X/ j5 h+ t" y- \) G2 [chkconfig mcstrans off
3 M9 m6 D, ]6 K/ T2 Nchkconfig messagebus off7 C7 o$ O6 a- P6 p
chkconfig microcode_ctl off+ m: t, M3 X% Y2 e( Y7 `7 i
chkconfig netconsole off
. Q, y5 S/ d1 ?4 _$ }3 T1 }chkconfig netfs off
2 H' C1 z, o; ^# z# ^% bchkconfig netplugd off
! C; B E$ L, R0 L% {+ gchkconfig nfs off6 t! }+ J9 a1 X- ?% F6 {
chkconfig nfslock off2 B; _- {' m, W
chkconfig nscd off
: _* i( a# J7 x Y- G4 V, r' Kchkconfig ntpd off! E! C" p8 b4 M9 `; f2 w4 N
chkconfig oddjobd off _1 k# n! O8 W6 w0 t7 o
chkconfig pand off
+ [% N* t8 N1 [, Tchkconfig pcscd off" @8 V6 J. i3 z3 {/ D
chkconfig portmap off
2 T' h! C# A% p: h. q3 Xchkconfig psacct off
* f9 W, Z9 q. \# {2 V% \; G2 Kchkconfig rdisc off
' g+ k% J' }: b/ h# I5 `1 m$ achkconfig restorecond off
% Z- J J, H0 S" D; K2 I3 ]/ bchkconfig rpcgssd off
8 M# p5 V9 k/ j$ k0 b6 }chkconfig rpcidmapd off. T2 z" J: o; h& \, `" v- P
chkconfig rpcsvcgssd off6 ? w) R2 t4 q; T
chkconfig saslauthd off$ r- ~# u P' A
chkconfig sendmail off( D; P8 M7 x. r3 g, V
chkconfig setroubleshoot off$ N/ X0 K8 w/ M6 u- K$ Y5 ~8 w
chkconfig smb off3 H3 n/ q0 ~) {) [7 v A: k! _
chkconfig vncserver off
& ^2 k' L0 L! ]/ \- v* Bchkconfig winbind off
5 b$ V) P( b f' q, t7 S0 \% y5 }chkconfig wpa_supplicant off) B: w$ i# N# x& i x1 Q R0 a
chkconfig xfs off
$ D7 l: n: b. A' T* ]chkconfig ypbind off4 N9 j* m6 G) G9 M+ c4 w# P* F
chkconfig yum-updatesd off! z% @2 {' o2 ~0 o' p' w6 N
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。
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来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46