错误crontab: "/bin/vi" exited with status 127

想使用crontab添加计划任务,

$ crontab -e

出现错误如下:

no crontab for root - using an empty one
/bin/sh: /bin/vi: No such file or directory
crontab: "/bin/vi" exited with status 127

原因:系统没有安装 vi

解决方法1:安装vi

$ yum install vim-minimal -y

解决方法2:设置 vim 为默认编辑器

$ echo "export EDITOR=vim" >> ~/.bashrc
$ source ~/.bashrc
[root@prd-zyzb-m-zone-proxy ~]# systemctl restart sshd Job for sshd.service failed because the control process exited with error code. See "systemctl status sshd.service" and "journalctl -xeu sshd.service" for details. [root@prd-zyzb-m-zone-proxy ~]# journalctl -xeu journalctl: option requires an argument -- 'u' [root@prd-zyzb-m-zone-proxy ~]# journalctl -xe ░░ An ExecStart= process belonging to unit sshd.service has exited. ░░ ░░ The process' exit code is 'exited' and its exit status is 255. Mar 26 16:20:55 prd-zyzb-m-zone-proxy systemd[1]: sshd.service: Failed with result 'exit-code'. ░░ Subject: Unit failed ░░ Defined-By: systemd ░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel ░░ ░░ The unit sshd.service has entered the 'failed' state with result 'exit-code'. Mar 26 16:20:55 prd-zyzb-m-zone-proxy systemd[1]: Failed to start OpenSSH server daemon. ░░ Subject: A start job for unit sshd.service has failed ░░ Defined-By: systemd ░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel ░░ ░░ A start job for unit sshd.service has finished with a failure. ░░ ░░ The job identifier is 3203058 and the job result is failed. Mar 26 16:21:01 prd-zyzb-m-zone-proxy CROND[2143556]: (yunqiao) CMD (/opt/yunqiao/itcloudagent/bin/daemon >/dev/null 2>&1 &) Mar 26 16:21:02 prd-zyzb-m-zone-proxy CROND[2143555]: (yunqiao) CMDEND (/opt/yunqiao/itcloudagent/bin/daemon >/dev/null 2>&1 &) Mar 26 16:21:02 prd-zyzb-m-zone-proxy crontab[2143562]: (yunqiao) LIST (yunqiao) Mar 26 16:21:02 prd-zyzb-m-zone-proxy crontab[2143566]: (yunqiao) LIST (yunqiao) Mar 26 16:21:13 prd-zyzb-m-zone-proxy crontab[2143796]: (yunqiao) LIST (yunqiao) Mar 26 16:21:13 prd-zyzb-m-zone-proxy crontab[2143800]: (yunqiao) LIST (yunqiao) ~
03-27
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