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

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