ubuntu添加自开机启动服务

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vim /lib/systemd/system/rc-local.service

# E" v& }( Z/ k* `% m; E[Unit]
Description=/etc/rc.local Compatibility
Documentation=man:systemd-rc-local-generator(8)
ConditionFileIsExecutable=/etc/rc.local
After=network.target
[Service]
' U' p2 V* F6 J3 EType=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
( d: V* H1 g8 D+ O) _0 y+ @$ D( w% @, GRemainAfterExit=yes
3 I5 d+ c- L: j4 [& jGuessMainPID=no
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在后面添加：
[Unit]
& J$ o/ E+ ^  x1 l! V! D) bDescription=/etc/rc.local Compatibility
+ B8 ]& }; _8 M1 oDocumentation=man:systemd-rc-local-generator(8)
* n8 I$ J, d8 n/ AConditionFileIsExecutable=/etc/rc.local
9 s8 ~7 o/ Y7 J( C. A" zAfter=network.target
. D1 }9 K4 Y( z0 K[Service]
Type=forking
ExecStart=/etc/rc.local start
5 V. F( \' B( v4 d( ATimeoutSec=0
RemainAfterExit=yes
/ G4 {1 q! C; O3 a: \GuessMainPID=no
" q# l0 k; @$ l) E[Install]
7 ^; y" `8 \7 P4 @WantedBy=multi-user.target
$ F0 W- a4 n* B$ M9 s3 ZAlias=rc-local.service

% ^' R. e0 `% r% j4 O) S# R, H保存退出；
6 S; H% o0 ^- y1 F
编辑rc.local文件：
) A% `& I* A) i/ Fvim /etc/rc.local
; }3 z+ x2 e4 p0 |添加需要添加的文件：

给文件添加执行权限：
root@localhost:~# chmod +x /etc/rc.local
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添加软连接：
ln -sf /lib/systemd/system/rc-local.service /etc/systemd/system/
, q; {- L. x* C5 X& s
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' P" m" w0 r5 [0 x0 V" T2 j2 j$ ]( m( [重启服务即可。