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sources/tech/20190929 Bash Script to Generate System Uptime Reports on Linux.md → translated/tech/20190929 Bash Script to Generate System Uptime Reports on Linux.md
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[#]: via: (https://www.2daygeek.com/bash-script-generate-linux-system-uptime-reports/) [#]: via: (https://www.2daygeek.com/bash-script-generate-linux-system-uptime-reports/)
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/) [#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
Bash Script to Generate System Uptime Reports on Linux 生成 Linux 运行时间报告的 Bash 脚本
====== ======
For some purposes you may need to collect the **[Linux system uptime][1]** report once a month. 出于一些原因，你可能需要每月收集一次**[Linux 系统运行时间][1]**报告。
If so, you can use one of the following **[bash scripts][2]** based on your requirements. 如果没错，你可以根据需要使用以下 **[bash 脚本][2]**之一。
Why should we collect this report? 我们为什么要收集这份报告？
Restarting the Linux server after a certain period of time is a good practice to fix some pending issues. 在一段时间后重启 Linux 服务器是解决某些未解决问题的好方法。
It is advisable to restart once in 180 days. But this period may vary depending on your company’s policy. 建议每 180 天重新启动一次。但时间段也许取决于你公司的政策。
If you have been running the server for a long time without restarting. 如果你已经长时间运行服务器而没有重启。
This can lead to some performance issues or memory problems on the server, which I have noticed on many servers. 这可能导致服务器上出现一些性能或内存问题，我在许多服务器上都注意到了这一点。
These scripts provide all system uptime reports in one place. 这些脚本一次性提供了所有系统运行报告。
### What is Uptime Command ### 什么是 uptime 命令
uptime command will tell how long the system has been running. It gives a one line display of the following information. uptime 命令将告诉你系统已经运行了多长时间。它在一行中显示以下信息。
The current time, how long the system has been running, how many users are currently logged on, and the system load averages for the past 1, 5, and 15 minutes. 当前时间、系统运行了多长时间、当前登录了多少用户以及过去 1、5 和 15 分钟的平均系统负载。
### What Is tuptime? ### 什么是 tuptime?
[Tuptime][3] is a tool for report the historical and statistical running time of the system, keeping it between restarts. Like uptime command but with more interesting output. [tuptime][3] 是用于报告系统的历史和统计运行时间的工具，可在重启之间保存。它类似于 uptime 命令，但输出更有趣。
### 1) Bash Script to Check Linux System Uptime ### 1）检查 Linux 系统运行时间的 Bash 脚本
This bash script will collect all the server uptime and send the report to the given email id. 该 bash 脚本将收集所有服务器正常运行时间，并将报告发送到给定的电子邮箱地址。
Please replace your email id instead of ours, otherwise you will not receive mails. 请替换为你的电子邮箱地址，而不是用我们的，否则你将不会收到邮件。
``` ```
# vi /opt/scripts/system-uptime-script.sh # vi /opt/scripts/system-uptime-script.sh
@ -55,19 +55,19 @@ done | column -t >> /tmp/uptime-report.out
cat /tmp/uptime-report.out | mail -s "Linux Servers Uptime Report" "[email protected]" cat /tmp/uptime-report.out | mail -s "Linux Servers Uptime Report" "[email protected]"
``` ```
Set an executable permission to **“system-uptime-script.sh”** file. 给 **“system-uptime-script.sh”** 设置可执行权限。
``` ```
$ chmod +x /opt/scripts/system-uptime-script.sh $ chmod +x /opt/scripts/system-uptime-script.sh
``` ```
Finally run the bash script to get the output. 最后运行 bash 脚本获取输出。
``` ```
# sh /opt/scripts/system-uptime-script.sh # sh /opt/scripts/system-uptime-script.sh
``` ```
You will receive a report like the one below. 你将收到类似以下的报告。
``` ```
# cat /tmp/uptime-report.out # cat /tmp/uptime-report.out
@ -81,9 +81,9 @@ You will receive a report like the one below.
192.168.1.11: 23 days 192.168.1.11: 23 days
``` ```
### 2) Bash Script to Check If Linux System is Running Over 30 Days ### 2）检查 Linux 系统是否运行了 30 天以上的 Bash 脚本
This bash script collects server running over 30 days and sends the report to the given email id. You can change the days according to your needs. 此 bash 脚本会收集运行 30 天以上的服务器，并将报告发送到指定的邮箱地址。你可以根据需要更改天数。
``` ```
# vi /opt/scripts/system-uptime-script-1.sh # vi /opt/scripts/system-uptime-script-1.sh
@ -99,13 +99,13 @@ cat /tmp/uptime-report-1.out | awk ' $2 >= 30' > /tmp/uptime-report-2.out
cat /tmp/uptime-report-2.out | mail -s "Linux Servers Uptime Report" "[email protected]" cat /tmp/uptime-report-2.out | mail -s "Linux Servers Uptime Report" "[email protected]"
``` ```
Set an executable permission to **“system-uptime-script-1.sh”** file. 给 **“system-uptime-script-1.sh”** 设置可执行权限。
``` ```
$ chmod +x /opt/scripts/system-uptime-script-1.sh $ chmod +x /opt/scripts/system-uptime-script-1.sh
``` ```
Finally add a **[cronjob][4]** to automate this. It runs daily at 7AM. 最后添加一条 **[cronjob][4]** 来自动执行。它会在每天早上 7 点运行。
``` ```
# crontab -e # crontab -e
@ -113,9 +113,9 @@ Finally add a **[cronjob][4]** to automate this. It runs daily at 7AM.
0 7 * * * /bin/bash /opt/scripts/system-uptime-script-1.sh 0 7 * * * /bin/bash /opt/scripts/system-uptime-script-1.sh
``` ```
**Note:** You will receive an email alert at 7AM every day, which is for yesterday’s date details. **注意：** 你会在每天早上 7 点会收到一封电子邮件提醒，它是昨天的详情。
You will receive a report like the one below. 你将收到类似下面的报告。
``` ```
# cat /tmp/uptime-report-2.out # cat /tmp/uptime-report-2.out
@ -131,7 +131,7 @@ via: https://www.2daygeek.com/bash-script-generate-linux-system-uptime-reports/
作者：[Magesh Maruthamuthu][a] 作者：[Magesh Maruthamuthu][a]
选题：[lujun9972][b] 选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID) 译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID) 校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出