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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。& [/ F! a2 V( ] F5 J7 {$ w
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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。
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CentOS 系统精简优化) ^- T8 J8 l. O$ x8 m& z
删除不必要的自带软件包
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, i( l4 Z2 Y0 q" ]" [& Iyum remove Deployment_Guide-en-US finger cups-libs cups ypbind. V4 m" J! Z8 q6 S6 L& y5 }% z
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils6 c2 x A! J3 `" e
yum remove sendmail* samba* talk-server finger-server bind* xinetd
& u: |% L }* m3 F! B) Byum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
1 f6 b* I7 Z" A3 Z" g- r& Iyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools! e3 O- b7 k" {1 Z; |2 y% k+ A
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
, v7 V- j$ F+ _9 s9 b3 {yum groupremove "Development Libraries" "Dialup Networking Support"
& H- r" w- R6 @5 j5 eyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
2 V1 j. d, c3 }3 ^- p! hyum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development": f2 [. I0 F, Y) T) |, Q% g+ _! p
升级 centos 系统6 y! Z2 r) v% s+ l; A, p
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yum update #更新系统
8 t# s# \! r, y! Nyum clean all #清理全部缓存文件5 ^/ @! K$ V5 Y* A6 B3 O; D# l8 G+ Q
禁用 seLinux
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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" e/ {; R9 { c
vi /etc/selinux/config( i$ ?& a. P8 @2 g: Z% b& b
SELINUX=disabled #禁用SeLinux
+ g7 b. y7 t. ~6 J" ASELINUX=enforcing #使用SeLinux: @% Y9 d5 Y) i; S! g5 P
禁止 IPV6（执行后需要 reboot 重启）1 h9 H" R( P% o5 H$ o! b7 g$ d) Q
' f% Q( _- n% |. Yvi /etc/modprobe.conf #打开文件，把下面两行加到最后
- r; W& [. r- p3 b" _5 ealias net-pf-10 off9 n- M- [. [. ^5 Z# v4 g, L9 l
alias ipv6 off
- s* C \ r: l: S4 p初始化防火墙1 Y/ c% C8 E; a9 A* A- r i
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touch /etc/sysconfig/iptables
% y& M' g% K0 [; E2 a! ~iptables -F, `( |( e0 T/ N4 d3 F( A- `- O
iptables -X2 }3 [! B9 o$ r9 C' |
iptables -Z1 g- t9 e6 T6 ]& U; h- E
service iptables save
) l' A, v2 F: O! hservice iptables restart
/ Z, l+ t4 ^! U9 ^$ x3 g禁止无用服务
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3 S/ x. a1 n+ _. d. K: t#! /bin/bash
5 d3 i5 [) t' e7 C& D3 H3 Fservice acpid off
, u, W8 h1 S- Eservice atd stop
8 m% F3 f: S* W4 n2 ^8 o6 nservice auditd stop
, Q. V$ S! c# Lservice avahi-daemon stop
' b# U' E' z, A3 cservice avahi-dnsconfd stop: R/ Y& [$ ?. o' F, ~0 I
service bluetooth stop
5 @% ?7 |% N$ i9 F2 _) \& h7 r/ ~8 hservice conman stop- ]- n+ j5 L% L* o
service cpuspeed stop
3 V! [. u3 p5 O7 l0 }/ x$ Oservice cups stop
5 T* P6 }% U) [. o1 Qservice dnsmasq stop6 M/ ~1 a1 r1 P! a8 M5 d5 M
service dund stop3 @* I5 ^4 {5 q" d/ j
service firstboot stop) ^# `2 `( M$ p% Q: d
service hidd stop: \- x* \' F/ n1 Z B
service httpd stop
7 W$ U+ @! w1 Q1 W' R$ F& Tservice ibmasm stop
# I4 k w3 q: _; c5 N- ?' Uservice ip6tables stop- ~6 @: {/ a: z+ y
service irda stop/ _ ]0 m0 I5 U- q: m# p
service kdump stop
' H2 Y" G0 K# M7 Tservice lm_sensors stop
0 f# U+ H. S" a4 D* Zservice mcstrans stop8 t; ~+ R* F6 _; ^
service messagebus stop! o0 ?" H5 P2 i: ]
service microcode_ctl stop. r; [* R3 I: h, o5 Q1 q
service netconsole stop
& B7 j$ q! i# r oservice netfs stop, g; Y. N; e3 v. E# {5 e
service netplugd stop
7 ~5 m# x3 @3 y* Q/ L% m3 Vservice nfs stop
3 O3 m9 r" V, G. Q% sservice nfslock stop
5 V0 O+ i& K9 V7 Z" ^; r) sservice nscd stop) I. s- i- O3 S, X6 c: b6 |, f
service ntpd stop
* m- Y8 i; l1 Fservice oddjobd stop. p% @3 z+ l% S! W/ A
service pand stop) R1 r6 F( }$ I/ F0 n' N; H# ]
service pcscd stop
& P: F9 Q" Z' J( ?, k: rservice portmap stop0 D- \5 @+ W/ S& C
service psacct stop
6 K( i/ \9 K: `5 H# M3 aservice rdisc stop ~ E2 {8 I. s2 |
service restorecond stop9 p w0 W% G3 w; d& K# k! Z3 z j
service rpcgssd stop9 G5 ]8 }, h9 o8 C
service rpcidmapd stop
1 C' Y0 v/ W7 @" oservice rpcsvcgssd stop
0 j1 O; F) n- J: y! W! _. `' D/ bservice saslauthd stop, f; `6 G2 s+ V2 W2 Y l, ]" C
service sendmail stop
/ t' }# C: |. z) e0 aservice setroubleshoot stop
; ]. J) D- k* Y1 Z9 ~1 ^service smb stop
( J1 L$ d% t( f& u+ E( T8 Aservice vncserver stop
( v2 B0 U$ ~1 S* S+ {service winbind stop
# O0 k u, M7 O; p& y& _9 J5 ]- k! ]service wpa_supplicant stop
3 S' q" o+ f1 Z: W& x/ V# @0 [service xfs stop
8 q5 @; x" g; Y8 j/ O' Rservice ypbind stop9 _9 L) f- W2 ~) d6 p$ ~/ i
service yum-updatesd stop
8 q. |* _% u* [2 o* Pchkconfig acpid off# u5 G( D7 q; V i7 V# u# P
chkconfig atd off; p2 V' _% j3 f: d8 l% v- Y# A" e/ n5 R
chkconfig auditd off
. R" z+ N3 W' P) ]chkconfig avahi-daemon off) e8 `( V: Y; i8 p
chkconfig avahi-dnsconfd off4 Y. O4 C% b; F; A) \5 V
chkconfig bluetooth off
' k( G" i; I/ @; u2 s( o- @1 Fchkconfig conman off
9 h. b) r0 o1 x0 M8 F, q/ Qchkconfig cpuspeed off
5 f& z- [+ S+ i- p) `# I0 dchkconfig cups off
4 r" O) ~$ b5 \0 ~$ g4 O4 ?chkconfig dnsmasq off8 |0 ]9 n' t0 _
chkconfig dund off
; X% C5 ?( b" e3 Y# ?chkconfig firstboot off4 }2 D& J7 c* ]
chkconfig hidd off
H1 i, z* S& w0 F5 L# ]chkconfig httpd off
" g* e+ n' y3 m7 z, G( \+ Y$ Ychkconfig ibmasm off b9 y8 P; l) S. `
chkconfig ip6tables off
i' F) O! Q3 ]6 Q4 schkconfig irda off( x( W4 _$ `& M9 c( y, q( ^- l
chkconfig kdump off
+ w6 e# V! P3 m+ O% ?& nchkconfig lm_sensors off9 Z! C! E* v' z" }2 `! t* ?
chkconfig mcstrans off6 b# m3 _. U) m, i5 J! ~# j
chkconfig messagebus off
# I) t1 r S5 R4 schkconfig microcode_ctl off0 }6 {+ f% Z- X+ ~
chkconfig netconsole off
8 b6 @* o, d1 U' @0 Mchkconfig netfs off
1 k$ V2 s3 b5 ?; j0 m6 h( nchkconfig netplugd off% B7 ^ _- C! M* X8 Q" _4 r
chkconfig nfs off
6 G. e k* |* ^chkconfig nfslock off, Z3 I' K, L- }) V% X2 X
chkconfig nscd off
3 h, Y: `: s1 D* |) v9 A) o6 l# Mchkconfig ntpd off. `- o2 j, p* P) }# J
chkconfig oddjobd off
n- X( j8 X3 ~ L3 U Nchkconfig pand off9 r. Z w% [5 d
chkconfig pcscd off( o) j) Y: G! g
chkconfig portmap off$ t2 D( V. Q" ]( h0 X1 Q
chkconfig psacct off
! A2 I+ g" f# ~" D/ lchkconfig rdisc off
5 T9 ^4 {# R) s9 s$ H' Bchkconfig restorecond off& ^( D3 p5 K. x9 h. a& T
chkconfig rpcgssd off
, U! n9 ~% y5 M' r( D( Mchkconfig rpcidmapd off" O7 v' O- p: b5 }% U
chkconfig rpcsvcgssd off7 k4 |+ q0 K+ Y G
chkconfig saslauthd off
$ D& M% x2 d7 z! r) achkconfig sendmail off0 T/ G" O; g# I
chkconfig setroubleshoot off7 l/ D/ w! B* t
chkconfig smb off
. F+ P% p5 u! A. Wchkconfig vncserver off- v/ x+ U; m. o/ j( X
chkconfig winbind off
' ~ x5 j' E2 [$ @chkconfig wpa_supplicant off% F0 j; L2 V l
chkconfig xfs off
; x# m$ `& k2 d2 v9 t8 `chkconfig ypbind off! d; j X+ M+ e* H3 Y) Z
chkconfig yum-updatesd off
% {9 V' n+ m9 l6 e i; U' j这样通过上述 6 步骤，就可以完成对 centos 精简和优化。9 @, }" @5 r* N& l6 S
8 E C s/ r+ G g) {4 p5 l来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46