时间:2023-01-25来源:系统屋作者:qipeng
Linux系统下进行定时任务操作时,突然提示bash: crontab: command not found,出现该问题多半是未安装crontab所导致,只需在Linux系统下安装crontab即可解决问题。
crontab安装步骤:
1. 确认crontab是否安装:
执行 crontab 命令如果报 command not found,就表明没有安装
2. 安装 crontab
安装过程如下
[root@10vps ~]# crontab -e
-bash: crontab: command not found
[root@10vps ~]# yum install -y vixie-cron
Loaded plugins: fastestmirror, security
Determining fastest mirrors
* rpmforge: ftp.riken.jp
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
rpmforge | 1.9 kB 00:00
rpmforge/primary_db | 2.7 MB 00:02
updates | 3.4 kB 00:00
updates/primary_db | 3.2 MB 00:13
Setting up Install Process
Resolving Dependencies
--》 Running transaction check
---》 Package cronie.x86_64 0:1.4.4-12.el6 will be installed
--》 Processing Dependency: dailyjobs for package: cronie-1.4.4-12.el6.x86_64
--》 Running transaction check
---》 Package cronie-anacron.x86_64 0:1.4.4-12.el6 will be installed
--》 Processing Dependency: crontabs for package: cronie-anacron-1.4.4-12.el6.x86_64
--》 Running transaction check
---》 Package crontabs.noarch 0:1.10-33.el6 will be installed
--》 Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
cronie x86_64 1.4.4-12.el6 base 73 k
Installing for dependencies:
cronie-anacron x86_64 1.4.4-12.el6 base 30 k
crontabs noarch 1.10-33.el6 base 10 k
Transaction Summary
================================================================================
Install 3 Package(s)
Total download size: 114 k
Installed size: 220 k
Downloading Packages:
(1/3): cronie-1.4.4-12.el6.x86_64.rpm | 73 kB 00:00
(2/3): cronie-anacron-1.4.4-12.el6.x86_64.rpm | 30 kB 00:00
(3/3): crontabs-1.10-33.el6.noarch.rpm | 10 kB 00:00
--------------------------------------------------------------------------------
Total 15 kB/s | 114 kB 00:07
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : cronie-1.4.4-12.el6.x86_64 1/3
Installing : crontabs-1.10-33.el6.noarch 2/3
Installing : cronie-anacron-1.4.4-12.el6.x86_64 3/3
Verifying : crontabs-1.10-33.el6.noarch 1/3
Verifying : cronie-anacron-1.4.4-12.el6.x86_64 2/3
Verifying : cronie-1.4.4-12.el6.x86_64 3/3
Installed:
cronie.x86_64 0:1.4.4-12.el6
Dependency Installed:
cronie-anacron.x86_64 0:1.4.4-12.el6 crontabs.noarch 0:1.10-33.el6
Complete!
[root@10vps ~]# crontab -l
no crontab for root
3. 确认是否安装成功:
执行 crontab -l
4. 看是否设置了开机自动启动
chkconfig --list crond
5. 启动crontab
service crond start
上面就是Linux执行定时任务报错需安装crontab的方法介绍了,该方法适用于绝大多数bash:crontab:command not found报错。
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