Linux Crontab e etsa litaelo tsa mosebetsi oa script khafetsa 'me e beha ts'ebeliso ea faele ea tlhophiso

LinuxThe build-in cron process e ka re thusa ho fihlela litlhoko tsa ho etsa mesebetsi e reriloeng.Ka ho sebelisa cron le shell scripts, ha ho na bothata ba ho etsa kamehla litaelo tse rarahaneng haholo tsa mosebetsi.

Cron ke eng?

Seo re se sebelisang hangata kecrontabtaelo, e khuts'oane bakeng sa tafole ea cron.

Ke faele ea tlhophiso ea cron, eo hape e ka bitsoang lethathamo la mesebetsi.

Re ka fumana lifaele tsa tlhophiso tse loketseng lifoldareng tse latelang.

• The / var / spool / cron / directory e boloka mesebetsi ea crontab bakeng sa mosebelisi e mong le e mong ho kenyeletsoa motso, mme mosebetsi o mong le o mong o rehiloe lebitso la moetsi.
• /etc/crontab Faele ena e ikarabella bakeng sa ho hlophisa mesebetsi e fapaneng ea tsamaiso le tlhokomelo.
• /etc/cron.d/ Bukana ena e sebelisoa ho boloka lifaele kapa mangolo afe kapa afe a crontab a lokelang ho etsoa.
• Hape re ka kenya mangolo ho /etc/cron.hourly, /etc/cron.daily, /etc/cron.weekly, /etc/cron.monthly directory, e ke e phethe hora e 'ngoe le e 'ngoe/letsatsi/beke, khoeli.

Crontab e sebelisoa joang?

Litaelo tsa rona tse sebelisoang hangata ke tse latelang:

crontab [-u username]　　　　//省略用户名表示操作当前用户的crontab
    -e      (编辑工作表)
    -l      (列出工作表里的命令)
    -r      (删除工作表)

re sebelisacrontab -eKenya mokhoa oa ho hlophisa leqephe la mosebelisi oa hajoale, e leng sebopeho se tloaelehileng sa vim.Mola o mong le o mong ke taelo.

Fetola Leqephe la Mosebetsi▼

crontab -e

Thathamisa maqephe a mosebetsi▼

crontab -l

Hlakola leqephe la mosebetsi ▼

crontab -r 

Taelo ea crontab e entsoe ka nako + ketso, 'me nako ea eona kemotsotso, hora, letsatsi, khoeli, bekeBohlano, opareitara e na le

• * dinomoro tsohle sebakeng
• / lipalo tse kae
• - ho tloha ho X ho ea ho Z
• ,linomoro tsa hash

Crontab Etsa Mohlala oa Taelo ea Mosebetsi o Reriloeng

Mohlala 1: Phetha myCommand motsotso o mong le o mong

* * * * * myCommand

Mohlala 2: Phethahatso ka metsotso ea 3 le ea 15 ea hora e 'ngoe le e 'ngoe

3,15 * * * * myCommand

实例3：在上午8点到11点的第3和第15分钟执行

3,15 8-11 * * * myCommand

实例4：每隔两天的上午8点到11点的第3和第15分钟执行

3,15 8-11 */2  *  * myCommand

实例5：每周一上午8点到11点的第3和第15分钟执行

3,15 8-11 * * 1 myCommand

Mohlala 6: Qala hape smb ka 21:30 bosiu bo bong le bo bong

30 21 * * * /etc/init.d/smb restart

实例7：每月1、10、22日的4 : 45重启smb

45 4 1,10,22 * * /etc/init.d/smb restart

Mohlala 8: Qala hape smb ka 1:10 Moqebelo le Sontaha se seng le se seng

10 1 * * 6,0 /etc/init.d/smb restart

Mohlala 9: Qala hape smb metsotso e meng le e meng e 18 lipakeng tsa 00:23 le 00:30 letsatsi le letsatsi.

0,30 18-23 * * * /etc/init.d/smb restart

Mohlala 10: Qala hape smb Moqebelo o mong le o mong ka 11:00 mantsiboea

0 23 * * 6 /etc/init.d/smb restart

Mohlala 11: Qala hape smb hora e 'ngoe le e 'ngoe

* */1 * * * /etc/init.d/smb restart

Mohlala 12: Qala hape smb hora e 'ngoe le e 'ngoe pakeng tsa 11pm le 7am

* 23-7/1 * * * /etc/init.d/smb restart

Mokhoa oa ho hlakola mosebetsi o boletsoeng oa Crontab?

SSH kenya taelo e latelang ea crontab ▼

crontab -e

• Ho nka mesebetsi e mengata, hlakola mosebetsi o reriloeng ho vim (tsamaisa sesupa moleng oa tlhophiso hore o tlosoe, tobetsa konopo ea ho hlakola ho hlakola)

tobetsa :wq boloka le ho tsoa

Lekola ho bona hore na mosebetsi oa Crontab o hlakotsoe?

crontab -l

• Ho fumanoa hore mosebetsi o hlophisitsoeng oa crontab o sa tsoa tlosoa ha o eo, ho bolelang hore ho tlosoa hoa atleha.

Sehlopha sa Taolo sa CWPMokhoa oa ho beha mesebetsi e reriloeng ea Crontab

• Mosebetsing o reriloeng, eketsa taelo ea kamahanyo ho hokahanya lifaele tsa "backup" tsa phanele ea taolo ea CWP ho GDrive.

Haeba u sebelisa Panel ea Taolo ea CWP, kena ho Panel ea Taolo ea CWPea Server Setting → Crontab for root ▼

Ho "Eketsa Mesebetsi e Tloaelehileng ea Cron", kenya taelo e latelang ea tloaelo ea cron ▼

00 7 * * * rclone sync /backup2 gdrive:cwp-backup2
55 7 * * * rclone sync /newbackup gdrive:cwp-newbackup

• (Khokahanya bukana ea sebaka ka bo eona hoseng ho hong le ho hong ka 7:00 hoseng /backup2ho disk ea marang-rang e nang le lebitso la tlhophiso gdrivebackup2Tafole ea likateng)
• (Khokahanya bukana ea sebaka ka bo eona hoseng ho hong le ho hong ka 7:55 hoseng /newbackup  ho disk ea marang-rang e nang le lebitso la tlhophiso gdrivecwp-newbackupTafole ea likateng)
• AmahanyaWordpressBakeng sa lifaele tsa sebaka sa marang-rang, ho kgothaletswa hore o se ke oa boloka morao ka ho eketseha, hobane tlhahlobo e fumane hore haeba mabitso a lifaele a tšoana, empa litaba tsa lifaele li fapane, li ke ke tsa lumellana.

Ka lebaka la qalo e reriloengho fofa ha seretseKamora hore khokahano ea othomathiki e phetheloe, ts'ebetso ea rclone e kanna ea sebetsa ka morao, e tla nka hoo e ka bang 20% ​​ea lisebelisoa tsa CPU mme e baka tšenyo ea lisebelisoa tsa seva.

Ka hona, hoa hlokahala ho kenyelletsa taelo ea mosebetsi e hlophisitsoeng ka botlalo ho qobella ts'ebetso ea rclone ho koala ▼

00 09 * * * killall rclone

• (Ka boiketsetso koala tšebetso ea rclone ka 7:00 hoseng ho hong le ho hong)

Haeba phanele ea taolo ea CWP e sa khone ho hlophisa mesebetsi e reriloeng ea Crontab, o ka sebelisa FTP软件bula faele /var/spool/cron/ Fetola mesebetsi ea nako ea Crontab ka kotloloho.

U ka sebelisa backup ea rclone joang bakeng sa VPS?Ka kopo, tobetsa sehokelo se ka tlase ho shebaCentOSHo sebelisa GDrive Automatic Sync Tutorial▼

U ka sebelisa backup ea rclone joang bakeng sa VPS? CentOS e sebelisa thupelo ea ho hokahanya ha GDrive

Kaha mokhoa o atlehang ka ho fetisisa oa ho phahamisa marang-rang ke SEO, barekisi ba bangata ba marang-rang ba nang le phihlelo e ruileng ea SEO ba tla khetha ho reka VPS (Virtual Private Server) ho haha ​​​​marang-rang.Kaha VPS e sebelisoa, hoa hlokahala ho boloka VPS. Backup ea VPS e ka amahanngoa le GD le rclone backup ...