|
|
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。) P9 f% q8 N0 ^% L
! O! J& [3 i% c- E" O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% f6 M$ C5 R$ n$ Z* @
6 x/ N1 o* Y% r- q) v8 h
CentOS 系统精简优化
: V1 T7 @1 R% [. s删除不必要的自带软件包
0 b% b$ \4 Z- |' I
/ B! f% S$ r9 s; [/ _8 l" S' Gyum remove Deployment_Guide-en-US finger cups-libs cups ypbind2 m1 N1 n* W' t! J1 y3 x! Z4 i2 V0 g
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
. w$ t: H- q% T! e/ e9 dyum remove sendmail* samba* talk-server finger-server bind* xinetd
* Y2 [6 c' [ l vyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools1 h% N @7 n& W; o9 W
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
7 J. V# r+ k) i/ z( q6 |: Nyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development". p; _9 x& G+ I* S' J% a5 Q
yum groupremove "Development Libraries" "Dialup Networking Support"
3 Y$ ~& n) g; ?" X/ N; Ryum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"3 H" q; Y, A4 |2 o: j
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
) M0 Z. N+ t5 e% r9 `升级 centos 系统
& V5 x% D$ D6 c; M/ \) U, @2 O8 h j+ V, T
yum update #更新系统" y6 G9 L* `, z; u
yum clean all #清理全部缓存文件
+ f7 B! q+ d8 U$ v1 B# O3 m* h禁用 seLinux
" H3 a7 v. s/ D$ i8 ^8 t. N& z+ v- F
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
$ r8 m' P9 Y8 ~& R( e- |vi /etc/selinux/config
! s; l- j7 ~6 j" `SELINUX=disabled #禁用SeLinux( \- m3 `- ^$ O- T* B
SELINUX=enforcing #使用SeLinux- ^. l' }' r; a% e
禁止 IPV6（执行后需要 reboot 重启）8 W; W7 r) v* e( B k% W& Y! E6 w( j1 L
9 {0 }7 a5 ~8 a; Zvi /etc/modprobe.conf #打开文件，把下面两行加到最后. s2 K: z& |5 m# V' Z
alias net-pf-10 off/ N; R+ e7 O6 P5 e- q
alias ipv6 off6 c" k. Z' e- p( w
初始化防火墙9 y; s' |' [* b( n" |
( g( R, {# s" \, p. j# q6 d
touch /etc/sysconfig/iptables/ I7 M( P; u B2 M8 q; V
iptables -F
& \7 e0 b( O& d9 [1 u% Yiptables -X7 W! w4 R+ h! J6 }/ J4 z. ?" K
iptables -Z
0 o$ ~( H) ^, t8 ^ f8 }service iptables save& N- W$ Q; v* x% n* P! F' O# w
service iptables restart1 j1 A L) |1 l* `8 n3 Y
禁止无用服务5 l" e o9 F# `6 w9 t
; P5 \" o- B8 |
#! /bin/bash- _& ^+ n7 C6 S% I/ [. R
service acpid off
; i" E. v% t2 ^8 I" G9 eservice atd stop
* y0 d" x7 _* Gservice auditd stop2 J0 X6 z$ ?+ V
service avahi-daemon stop
! s/ x; s+ ~3 S& \# Cservice avahi-dnsconfd stop, M a. }4 H* U H+ ]1 `
service bluetooth stop
' i2 ^8 b; E* f8 ?service conman stop
) U+ u2 p \5 q3 qservice cpuspeed stop
7 r& z. X- M, j% Q+ m4 d p6 wservice cups stop
5 ], R8 R( a. I# i$ t2 Q' X- Nservice dnsmasq stop
0 Z3 X1 T/ h z5 ~' Rservice dund stop) y6 M L) v5 {1 n; {
service firstboot stop1 J A( ~6 b: r# A$ e3 D
service hidd stop* C* B* M& K+ e# r. A
service httpd stop5 n1 D9 V6 ~$ l& K( ]2 [
service ibmasm stop/ z! Y% ]8 G/ w2 `; u; v8 b$ g
service ip6tables stop- w% R: u5 a9 H. i O0 b+ O
service irda stop
( X% _; J6 S) z) ~2 Hservice kdump stop
& s+ [" l. `9 m" C- aservice lm_sensors stop
$ ~% k5 [1 i) R' h4 y/ Pservice mcstrans stop
$ H7 Z$ N' [. H g; mservice messagebus stop9 Z/ f, l0 G( ]- }; g) ^4 O; D/ V
service microcode_ctl stop
7 a# C5 b. x1 _1 C4 y$ q* A* R vservice netconsole stop
1 Y% I' d! [* |3 x; ^1 Y& zservice netfs stop+ ?, @4 F; |5 N; v! w
service netplugd stop
) M6 a9 M1 Y0 h! i4 N( O; dservice nfs stop
% I5 ^- `6 A+ i4 Pservice nfslock stop
6 n, o6 [% X2 \ Y# f+ Sservice nscd stop1 u" `& m9 p+ `/ b: k/ |
service ntpd stop
1 ^6 L; T8 a2 a4 ^- W Fservice oddjobd stop
9 e) P; B2 Y7 z ]1 Q, oservice pand stop
% q% v; Q6 b2 @; pservice pcscd stop
% }. p e$ y' O9 }1 c. q- y# kservice portmap stop
( K$ \3 J: q- @, K( \5 ]service psacct stop
9 [/ I/ `' a" L2 `8 I- a Uservice rdisc stop
1 P2 d5 e" q/ p' lservice restorecond stop* G1 P/ u3 c0 u: d$ R# H( }
service rpcgssd stop
. [2 h; E3 b& F. }& mservice rpcidmapd stop% ^* E$ _8 c* \' a( X; T* C# U6 n
service rpcsvcgssd stop
/ Q' `7 |. S/ Y& b9 tservice saslauthd stop
6 ?6 ~5 i" ?5 B6 o8 K4 t# u$ Z9 Rservice sendmail stop
( ?4 y" Y5 R) M: T2 k( @service setroubleshoot stop1 R6 [9 f0 i$ J* q: y, G
service smb stop# w$ d6 D" w4 ~* r5 }$ ]
service vncserver stop9 x. U o: s) R% X, O5 j
service winbind stop) e3 u9 E/ O& J
service wpa_supplicant stop
( S% M9 }, D9 O8 A7 `* l2 uservice xfs stop
- ]: Q1 h* `: W& nservice ypbind stop
/ e4 n* N% v5 H4 Oservice yum-updatesd stop9 m @5 [) F2 R% t
chkconfig acpid off
1 V6 n( Q, [* k7 _% ^chkconfig atd off x" n. v: w+ V' H$ |: N8 M
chkconfig auditd off
+ C# H( h* p( c2 wchkconfig avahi-daemon off+ q) q1 {0 |, V) U
chkconfig avahi-dnsconfd off
1 x0 L8 v( q2 o& Y- ~% X3 vchkconfig bluetooth off' K8 @) J# n5 u e d: Y4 m5 m
chkconfig conman off
) n' _- L r4 q( p7 |' ?chkconfig cpuspeed off
- d" T7 H! ]: [" Zchkconfig cups off H& A9 }/ D2 D2 W5 J. d! z
chkconfig dnsmasq off
, a% {* {7 H* n8 _+ F1 Q3 O1 P# q4 Qchkconfig dund off
2 H& T6 C# _4 Vchkconfig firstboot off% A5 H& V( Y/ I5 _9 y% J+ g) X
chkconfig hidd off
+ }6 R/ }6 G1 n3 i2 H. {chkconfig httpd off5 B" |. ~3 d) _" G
chkconfig ibmasm off. v( E6 m; F( U' ?8 u
chkconfig ip6tables off
+ P: m7 J; ] K3 Pchkconfig irda off+ v3 M# S& Q* R' [5 _1 `9 B0 I
chkconfig kdump off
+ |% y0 Y% k0 c. `6 Echkconfig lm_sensors off2 r- f; i6 w1 F) W
chkconfig mcstrans off! j) k* x# [3 E; |
chkconfig messagebus off# L% y! L5 y% h1 D' c
chkconfig microcode_ctl off; y+ ?5 P0 C; ?: z/ j2 ` ~
chkconfig netconsole off
7 @; e/ ?9 B/ y: z+ @- rchkconfig netfs off
" T% H1 g) c# [+ W, Z1 R. Y* }chkconfig netplugd off) A" j# K2 W( t8 I
chkconfig nfs off
5 M$ ^. l; x: x, D' Dchkconfig nfslock off8 t! w4 e8 Z1 W* q9 ]7 @7 n( ?
chkconfig nscd off
, t; l3 v+ q3 E7 k5 Cchkconfig ntpd off8 r! t, x& G! v6 z& ]
chkconfig oddjobd off; \ f5 w+ L# \# x) @; G6 i
chkconfig pand off6 a# ]% y6 ^! ^
chkconfig pcscd off
/ @- Y4 t( O/ [- uchkconfig portmap off
! x' M! T- e. Nchkconfig psacct off
+ Q q7 C1 @: A" ~chkconfig rdisc off
" W0 ]5 z5 \1 E6 Lchkconfig restorecond off
8 z8 e$ Y9 E/ ? {& Xchkconfig rpcgssd off
" t* n J: F7 o% D8 F2 Qchkconfig rpcidmapd off4 ?# ^# Z' A' G- R
chkconfig rpcsvcgssd off
7 b4 l1 T& {8 m0 Q5 _, Mchkconfig saslauthd off7 P' \, e& U* y/ s! E
chkconfig sendmail off& Q$ K4 E. G& V" v5 E
chkconfig setroubleshoot off5 N& J0 Q1 m. @- n& u( j8 n9 {; V
chkconfig smb off6 v: l2 B0 r7 R* t F3 @7 n4 g
chkconfig vncserver off
+ h( g2 t9 D1 }chkconfig winbind off
* i6 I' Y% ^0 xchkconfig wpa_supplicant off
( ?7 E% f; P, h V1 Zchkconfig xfs off" u, t8 z' P4 X* H5 Q
chkconfig ypbind off
# n7 L" C% K( i* H3 y# b" |chkconfig yum-updatesd off
4 n# m' t5 ?; }! V; z# X P$ ?" A0 E- ^这样通过上述 6 步骤，就可以完成对 centos 精简和优化。( j6 L+ [6 A! |" O$ }
, c) ?. E' C8 R' }6 ?' A( u
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