linux定时任务提示-bash: crontab: command not found

时间:2021-04-15 13:58:44

linux使用定时任务时发现提示bash: crontab: command not found错误了,出现这个错误是因为没有安装安装 crontab情况居多了,下面我们一看看问题解决办法。

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

 代码如下 复制代码

[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:

 代码如下 复制代码

执行 crontab -l

4. 看是否设置了开机自动启动

 代码如下 复制代码

chkconfig --list crond

5. 启动crontab

 代码如下 复制代码

service crond start