Linux Crontab imapanga script task command nthawi zonse ndikuyika kugwiritsa ntchito mafayilo

LinuxNjira yopangira cron imatha kutithandiza kukwaniritsa zofunikira pochita ntchito zomwe zakonzedwa.Pogwiritsa ntchito zolemba za cron ndi zipolopolo, palibe vuto popanga nthawi zonse malamulo ovuta kwambiri.

Cron ndi chiyani?

Zomwe timagwiritsa ntchito nthawi zambiri ndicrontablamulo, lomwe ndi lalifupi la cron table.

Ndilo fayilo yosinthira ya cron, yomwe imatha kutchedwanso mndandanda wantchito.

Titha kupeza mafayilo osinthika ofunikira m'mafoda otsatirawa.

• The / var / spool / cron / chikwatu chimasunga ntchito za crontab kwa wogwiritsa ntchito aliyense kuphatikiza muzu, ndipo ntchito iliyonse imatchedwa dzina la mlengi.
• /etc/crontab Fayiloyi ili ndi udindo wokonza ntchito zosiyanasiyana zoyang'anira ndi kukonza.
• /etc/cron.d/ Bukhuli limagwiritsidwa ntchito kusunga mafayilo aliwonse a crontab kapena zolemba zomwe ziyenera kuchitidwa.
• Tithanso kuyika zolemba mu /etc/cron.hourly, /etc/cron.daily, /etc/cron.weekly, /etc/cron.monthly akalozera, azichita ola lililonse/tsiku/sabata, mwezi.

Kodi Crontab imagwiritsidwa ntchito bwanji?

Malamulo athu omwe amagwiritsidwa ntchito kwambiri ndi awa:

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)

timagwiritsa ntchitocrontab -eLowetsani kusintha kwa tsamba la wogwiritsa ntchito pano, lomwe ndi mawonekedwe wamba a vim.Mzere uliwonse ndi lamulo.

Sinthani Tsamba la Ntchito▼

crontab -e

Lembani mapepala ogwirira ntchito▼

crontab -l

Chotsani ntchito ▼

crontab -r 

Lamulo la crontab limapangidwa ndi nthawi + zochita, ndipo nthawi yake ndiminiti, ola, tsiku, mwezi, sabataChachisanu, woyendetsa ali nacho

• * manambala onse pamlingo
• / manambala angati
• - kuyambira X mpaka Z
• ,manambala a hash

Crontab Execute Task Command Command Chitsanzo

Chitsanzo 1: Pangani myCommand mphindi imodzi iliyonse

* * * * * myCommand

Chitsanzo 2: Kuphedwa pa 3rd ndi 15th mphindi ola lililonse

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

Chitsanzo 6: Yambitsaninso smb nthawi ya 21:30 usiku uliwonse

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

Chitsanzo 8: Yambitsaninso smb nthawi ya 1:10 Loweruka lililonse ndi Lamlungu

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

Chitsanzo 9: Yambitsaninso smb mphindi 18 zilizonse pakati pa 00:23 ndi 00:30 tsiku lililonse.

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

Chitsanzo 10: Yambitsaninso smb Loweruka lililonse nthawi ya 11:00 pm

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

Chitsanzo 11: Yambitsaninso smb ola lililonse

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

Chitsanzo 12: Yambitsaninso smb ola lililonse pakati pa 11pm ndi 7am

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

Kodi mungachotse bwanji ntchito ya Crontab?

SSH lowetsani lamulo lotsatira la crontab ▼

crontab -e

• Pongoganizira ntchito zingapo, chotsani ntchito yomwe mwasankha mu vim (sunthani cholozera pamzere wosinthira kuti achotsedwe, dinani batani lochotsa kuti muchotse)

kanikiza :wq sunga ndi kutuluka

Yang'anani kuti muwone ngati ntchito ya Crontab idachotsedwa?

crontab -l

• Zimapezeka kuti ntchito yokonzekera ya crontab yomwe yangochotsedwa kumene kulibe, zomwe zikutanthauza kuti kufufutidwa kwapambana.

CWP Control PanelMomwe Mungakhazikitsire Ntchito Zokhazikika za Crontab

• Pantchito yomwe yakonzedwa, onjezani lamulo lolumikizana kuti mulunzanitse mafayilo osunga zobwezeretsera a gulu lowongolera la CWP ku GDrive.

Ngati mukugwiritsa ntchito CWP Control Panel, lowani mu CWP Control Panelwa Server Setting → Crontab for root ▼

Mu "Onjezani Ntchito Zamtundu Wathunthu wa Cron", lowetsani lamulo lotsatirali la cron ▼

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

• (Gwirizanitsani zosintha zakomweko m'mawa uliwonse nthawi ya 7:00 am /backup2ku netiweki disk yokhala ndi dzina la kasinthidwe gdrivebackup2M'ndandanda wazopezekamo)
• (Gwirizanitsani zosintha zakomweko m'mawa uliwonse nthawi ya 7:55 am /newbackup  ku netiweki disk yokhala ndi dzina la kasinthidwe gdrivecwp-newbackupM'ndandanda wazopezekamo)
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chifukwa cha nthawi yoyambirachimphepoKulunzanitsa kodziwikiratu kumalizidwa, njira ya rclone ikhoza kupitilira kumbuyo, yomwe imatenga pafupifupi 20% yazinthu za CPU ndikuwononga zida za seva.

Chifukwa chake, ndikofunikira kuwonjezera lamulo lantchito lomwe lakonzedwa kuti likakamize njira ya rclone kutseka ▼

00 09 * * * killall rclone

• (Zitsekani zokha nthawi ya 7:00 m'mawa uliwonse)

Ngati gulu lowongolera la CWP silingasinthe ntchito zomwe zakonzedwa za Crontab, mutha kugwiritsa ntchito FTP软件tsegulani fayilo /var/spool/cron/ Sinthani ntchito zanthawi ya Crontab mwachindunji.

Momwe mungagwiritsire ntchito zosunga zobwezeretsera za rclone pa VPS?Chonde dinani ulalo womwe uli pansipa kuti muwoneCentOSKugwiritsa ntchito GDrive Automatic Sync Tutorial▼

Momwe mungagwiritsire ntchito zosunga zobwezeretsera za rclone pa VPS? CentOS imagwiritsa ntchito maphunziro a GDrive automatic synchronization

Popeza njira yothandiza kwambiri pakukweza maukonde ndi SEO, otsatsa ambiri amtaneti omwe ali ndi chidziwitso cholemera cha SEO amasankha kugula VPS (Virtual Private Server) kuti amange tsamba.Popeza VPS imagwiritsidwa ntchito, ndikofunikira kusunga VPS. Zosunga zobwezeretsera za VPS zitha kulumikizidwa ku GD ndi zosunga zobwezeretsera za rclone ...