ʻAʻole hiki iā Redis ke loaʻa ka pid? Pehea e hoʻonohonoho ai i ka helu wahi file pid ma hope o ka hoʻomaka ʻana o Redis

ʻAʻole hiki i ka hoʻomaka Redis ke loaʻa kahi faila pid? Aia i hea ka faila pid no Redis?

LinuxPehea e nānā ai i ka helu wahi o ka Redis process pid file?

Loaʻa iā Linux ke kauoha kaʻina hana redis▼

ps -ef | grep redis

E hoʻi e hōʻike i nā hualoaʻa hulina aʻe▼

redis 28221 1 1 Feb08 ? 00:13:19 /usr/bin/redis-server 127.0.0.1:6379

• Ke nānā nei i ke kaʻina hana redis, ʻaʻole hiki iaʻu ke ʻike i kahi o ka faila pid. He aha kaʻu e hana ai?

ʻAʻole i loaʻa ka faila redis.pid?

Manaʻo ka Redis startup script e hana i kahi faila pid i ka hoʻomaka ʻana, akā ua hōʻoia mākou i nā hoʻonohonoho āpau i loaʻa iā mākou a ʻaʻohe faila pid i hana ʻia.

He aha inā ʻaʻole i hana ka daemon Redis i ka faila PID?

Pehea ka hana ʻana o redis.pid?

no ke kikowaena linux CentOS 7:

ʻO ka inoa o ke kikowaena Redisredis.service, SSH E hoʻokomo i kēia kauoha e hoʻomaka i ka hoʻoponopono▼

systemctl edit redis.service

hoʻohui i kēia ▼

[Service]

ExecStartPost=/bin/sh -c "echo $MAINPID > /var/run/redis/redis.pid"
PIDFile=/var/run/redis/redis.pid

Hoʻomaka hou i ka lawelawe:

systemctl daemon-reload
systemctl restart redis
monit reload

A laila, e hoʻohana ʻia ka leka uila o kēia wahi e hana i ka faila pid o Redis:/etc/systemd/system/redis.service.d/override.conf

helu wahi waihona pid▼

cat /var/run/redis/redis.pid 
=> 27585

He aha ka waihona redis.pid?

• Mālama ka waihona redis.pid i ka ID o ke kaʻina hana.
• 使用catKauoha e nānā, hiki iā ʻoe ke ʻike aia hoʻokahi wale nō laina, e hoʻopaʻa ana i ka ID o ke kaʻina hana.

He aha ke kuleana o ka faila redis.pid?

• ʻO ke kuleana o ka faila redis.pid ka pale ʻana i nā kope he nui o ke kaʻina hana mai ka hoʻomaka ʻana.
• Mālama ka polokalamu Monit i ke kaʻina hana redis a pono e hoʻohana i ka helu wahi o ka faila redis.pid.

He aha ke kumu o ka faila pid?

• Ma hope o ka holo ʻana o ke kaʻina hana, hoʻohui ʻia kahi laka faila i ka faila .pid.
• ʻO ke kaʻina hana e loaʻa ai ka laka i loaʻa ka ʻae kākau (F_WRLCK), a kākau i kāna pid ponoʻī i ka faila.
• ʻO nā kaʻina hana ʻē aʻe e hoʻāʻo nei e kiʻi i ka laka e puka maʻalahi.

Ka nānā ʻana i ka monitE hoʻohui i ka helu wahi waihona Redis pid

Nā faila hoʻonohonoho no ka nānā ʻana i nā polokalamu ma Monitmonit.confI loko, hoʻohui i ka helu wahi o ka faila pid o Redis ▼

check process redis with pidfile "/var/run/redis/redis.pid"
start program "/usr/bin/systemctl start"
stop program "/usr/bin/systemctl stop"
if failed host 127.0.0.1 port 6379 then restart 
if 5 restarts within 5 cycles then timeout
group redis

Pehea e hoʻonohonoho ai i ka faile monit.conf?

He kumu manuahi a wehe ʻia ka nānā ʻana ʻo MonitʻŌnaehana, kaomi i ka loulou ma lalo nei e nānā i ka CWP7 install Monit monitoring software tutorial ▼

Pehea e hoʻouka ai i ka polokalamu nānā ʻo Monit ma CentOS Webpanel (CWP7)?

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