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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。1 a/ r. G+ Y' _* P3 ~2 D/ G# v
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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 ]/ @% \6 F; V$ J2 V0 A
删除不必要的自带软件包
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yum remove Deployment_Guide-en-US finger cups-libs cups ypbind) P; Z8 f0 d" e( }1 R" s6 c* ?
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils- S u: }+ l% z' V9 b/ _
yum remove sendmail* samba* talk-server finger-server bind* xinetd
" h* |- L4 ]' F; G. Zyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools" j: o4 S! W; Z: @8 `# [) l5 `
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
: ?% l/ j$ U) W/ w1 G% Myum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
2 ~; n9 t, k. O5 C$ Oyum groupremove "Development Libraries" "Dialup Networking Support"
! _" ~2 O% T6 A g7 `+ ]yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
9 k/ b; C) P D4 h. |( Pyum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
8 ] B- i9 I- |. `升级 centos 系统
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# U7 w( @# b( _, n- tyum update #更新系统, ~1 H" A$ t. L
yum clean all #清理全部缓存文件2 Y% O' x2 A3 O7 Z `4 \3 j
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 O# @+ v4 d9 H. I
vi /etc/selinux/config
8 D$ g5 L. W8 NSELINUX=disabled #禁用SeLinux' |% M3 O; s) H; t2 j
SELINUX=enforcing #使用SeLinux
# {! S& M& A% u4 w4 R禁止 IPV6（执行后需要 reboot 重启）
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vi /etc/modprobe.conf #打开文件，把下面两行加到最后, Q$ ^( _( ?# }$ b
alias net-pf-10 off
% Z4 y) H& ^* W$ q0 d" C# Ralias ipv6 off0 Y: G* B5 }4 Z/ R. b7 B+ C# M
初始化防火墙+ e1 _" b3 i# T1 r/ w* N1 {
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touch /etc/sysconfig/iptables
+ \2 M3 N' _5 Siptables -F1 F! ` v2 R) n" q) d0 P
iptables -X" M8 B1 f1 C' R
iptables -Z- t9 \4 E: g6 d. E1 f# m4 Z
service iptables save a, ^; n$ a; i9 d
service iptables restart
V4 }3 }* q, p! E) \* n禁止无用服务5 L: _% W2 N# o* m
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#! /bin/bash
+ h$ n' B: O6 e0 s2 j Lservice acpid off
5 P+ V+ O) [9 {" J6 x- Gservice atd stop
* o) J9 g8 ]0 ]. F7 h/ B2 Sservice auditd stop* o9 W( C# r: j$ k& _
service avahi-daemon stop. U7 f5 q$ O2 S3 I& m6 M
service avahi-dnsconfd stop
" K |& `) Y6 X' |! r! f; dservice bluetooth stop
8 \1 t( ^5 f' Vservice conman stop
* o4 D& s0 q0 G! v1 eservice cpuspeed stop5 Q5 C& `4 o. L6 s% g* I
service cups stop2 D2 l+ b0 m/ F- l
service dnsmasq stop' y( a! Q" _: W4 X$ j
service dund stop
% r) S% ~7 E2 f& Iservice firstboot stop
& t* v# F n+ S. r- Pservice hidd stop
! m7 O x `* uservice httpd stop
$ q2 S9 ]5 a O/ C5 g: Z! Hservice ibmasm stop: g, C# u! g" S! w2 J8 w
service ip6tables stop
6 V# i) X1 R' S7 sservice irda stop
# {! V$ k+ q) g, a! A: iservice kdump stop
6 T; l) g6 D, X' Wservice lm_sensors stop
' n9 i$ ^( l( B- O" nservice mcstrans stop
: S1 P. S* y0 Lservice messagebus stop
7 g8 q, L- E$ a% H- Cservice microcode_ctl stop" q$ p, v6 F' j7 e& h
service netconsole stop
! p' y# ^; q; D6 S7 C0 Bservice netfs stop
* J# {4 l* C; M" J9 L3 L! ~service netplugd stop
- S% O3 A" W" N3 u& S0 N2 sservice nfs stop, q: J; p0 i* f( c/ F2 X! k) ^
service nfslock stop, n$ l8 I& ]7 Z/ s( [
service nscd stop. q+ }. p% m X. I0 p# ?' p
service ntpd stop$ |' @. m1 r. m: w
service oddjobd stop. @5 L0 A5 Q. H$ [' ^ W
service pand stop. R Q! g! O2 v& X3 r8 x
service pcscd stop, l; _: Y+ V3 V* L% L
service portmap stop% b$ I0 E. h u: Z: z
service psacct stop+ Q3 W: z1 [0 X' r
service rdisc stop5 j5 v8 I4 X2 r: d6 |2 |* v6 ^$ d
service restorecond stop
5 H+ A* z7 Z0 f8 eservice rpcgssd stop8 A: X6 [2 q& b
service rpcidmapd stop
b6 d: o6 ~% v* _( y0 Tservice rpcsvcgssd stop
9 `. x/ \9 W; g2 c' S: i8 _service saslauthd stop9 M1 _1 M% |% D
service sendmail stop" s9 f1 H6 \& |9 o$ m- A% V% H* N
service setroubleshoot stop
8 P+ H# [* L: aservice smb stop
) A! ]3 H4 z2 h7 t4 f: Fservice vncserver stop
! Z% ?: z, o% y3 N Y# Kservice winbind stop5 C- W/ X, e$ B h% @: m* s
service wpa_supplicant stop
2 X8 \0 t5 F/ qservice xfs stop
9 s& Z) {/ B7 e, Z' J3 b% Oservice ypbind stop
! ]& X ]2 }! t1 \service yum-updatesd stop
D9 ~' d e6 e3 B* [chkconfig acpid off1 R4 Z5 i2 n( Z( v
chkconfig atd off
. B+ t( ?! T$ p7 w# {0 U u: ichkconfig auditd off9 u# E" } d4 [0 E7 u* h
chkconfig avahi-daemon off3 F. ^9 f# v) ]' i2 H: a
chkconfig avahi-dnsconfd off
$ {. N! F1 p4 ychkconfig bluetooth off* N% W c& O! M( v" j
chkconfig conman off
3 s" {" u6 u* g" A5 ~chkconfig cpuspeed off' B; K0 j! [& X7 J( c1 s5 K h
chkconfig cups off: V8 ]/ \- Y; q! {1 ^! F: G3 w0 C
chkconfig dnsmasq off
: g' N$ m. q& K j2 s2 R# ^1 v. X7 Lchkconfig dund off1 u% {4 l% j) A; V" O, B
chkconfig firstboot off
0 @" Q, m7 c- l$ M/ Nchkconfig hidd off t: I" s; J1 P2 k/ {3 W
chkconfig httpd off& T) ~5 B3 W1 T& ~- u
chkconfig ibmasm off
- r; i0 q1 ]0 |0 cchkconfig ip6tables off/ w# a3 [' w; ]4 }7 h: j' O
chkconfig irda off
) i, I4 c1 x* m$ E+ Y: h! f+ _5 Gchkconfig kdump off
. a) p6 L% p) ~* r2 D& ~chkconfig lm_sensors off
% |+ e% S: k1 [/ x8 j0 }chkconfig mcstrans off
E& g2 }6 s- j2 j8 a' J9 dchkconfig messagebus off
+ k: j9 e# z S4 W1 q9 n! Q9 Bchkconfig microcode_ctl off
1 G# q( I' h5 l( S5 o5 _5 [chkconfig netconsole off' j3 s5 ?& R0 U- e6 _; g
chkconfig netfs off" ?1 ^$ _) `* T, c8 x6 B+ q
chkconfig netplugd off- R0 E) x" I$ {; R$ g
chkconfig nfs off& ~7 s' E. t4 [
chkconfig nfslock off9 K4 D: f' v9 d# Q
chkconfig nscd off
8 {& I4 i) B/ G3 O9 g" h7 a5 kchkconfig ntpd off& z( ~+ [! l0 ^/ |. z9 \$ {
chkconfig oddjobd off8 P$ g) V3 W" |) e6 |
chkconfig pand off# e( L9 ~3 u" D: g
chkconfig pcscd off
z* @( v6 d, }/ D. m' q1 Fchkconfig portmap off
' E8 b) z9 y+ _1 @+ q1 mchkconfig psacct off
2 |/ m0 L9 D( V9 a; Zchkconfig rdisc off
" w" Y3 Q8 E8 b( I* b& qchkconfig restorecond off
3 k- ^. c3 B# y4 _2 H- Pchkconfig rpcgssd off$ n& C; A9 X, N
chkconfig rpcidmapd off
, a" V7 ]5 q2 [7 W# @4 D6 echkconfig rpcsvcgssd off [$ d% _/ ?$ T" ?: p
chkconfig saslauthd off
' X- f) b% H+ J7 X" ?- b! w/ W$ Echkconfig sendmail off1 y; O( }3 K' s& U
chkconfig setroubleshoot off" G) _1 ?' V( G" [. c1 n
chkconfig smb off
* s) A K6 m# x6 Z3 Ychkconfig vncserver off4 }, b: ?! u: n8 E8 {
chkconfig winbind off6 g4 V J$ J' l3 J
chkconfig wpa_supplicant off) w% V: M/ d9 R+ b+ x* m
chkconfig xfs off ?9 f4 h6 \: J# z! |" o4 {
chkconfig ypbind off
' L1 a3 o$ O2 y/ N# [& b. zchkconfig yum-updatesd off
" V5 L2 T$ F4 _1 p" j; X5 a$ c U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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0 Z+ d, t. U- J+ G" d% Q" t% t来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46