TranslateProject/published/201509/20150909 Linux Server See the Historical and Statistical Uptime of System With tuptime Utility.md

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使用 tuptime 工具查看 Linux 服务器系统的开机时间的历史和统计
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你可以使用下面的工具来查看 Linux 或类 Unix 系统运行了多长时间:
- uptime 告诉你服务器运行了多长的时间。
- lastt 显示重启和关机时间。
- tuptime 报告系统的运行时间历史和运行时间统计,这是指重启之间的运行时间。和 uptime 命令类似,不过输出结果更有意思。
### 找出系统上次重启时间和日期 ###
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你[可以使用下面的命令来获取Linux操作系统的上次重启和关机时间及日期][1]在OSX/类Unix系统上也可以用
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### 显示系统重启和关机时间
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who -b
last reboot
last shutdown
### 开机信息
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uptime
cat /proc/uptime
awk '{ print "up " $1 /60 " minutes"}' /proc/uptime
w
**样例输出:**
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![Fig.01: Various Linux commands in action to find out the server uptime](http://s0.cyberciti.org/uploads/cms/2015/09/uptime-w-awk-outputs.jpg)
*图01用于找出服务器开机时间的多个Linux命令*
###跟 tuptime 问打个招呼吧###
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tuptime 命令行工具可以报告基于 Linux 的系统上的下列信息:
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1. 系统启动次数统计
2. 注册首次启动时间(也就是安装时间)
3. 正常关机和意外关机统计
4. 平均开机时间和故障停机时间
5. 当前开机时间
6. 首次启动以来的开机和故障停机率
7. 累积系统开机时间、故障停机时间和合计
8. 报告每次启动、开机时间、关机和故障停机时间
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#### 安装 ####
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输入[下面的命令来克隆 git 仓库到 Linux 系统中][2]
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$ cd /tmp
$ git clone https://github.com/rfrail3/tuptime.git
$ ls
$ cd tuptime
$ ls
**样例输出:**
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![Fig.02: Cloning a git repo](http://s0.cyberciti.org/uploads/cms/2015/09/git-install-tuptime.jpg)
*图02克隆git仓库*
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确保你安装了带有 sysoptparseosrestringsqlite3datetimedisutils 和 locale 模块的 Python v2.7。
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你可以像下面这样来安装:
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$ sudo tuptime-install.sh
或者,可以手工安装(基于 systemd 或非 systemd
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$ sudo cp /tmp/tuptime/latest/cron.d/tuptime /etc/cron.d/tuptime
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如果系统是systemd的拷贝服务文件并启用
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$ sudo cp /tmp/tuptime/latest/systemd/tuptime.service /lib/systemd/system/
$ sudo systemctl enable tuptime.service
如果系统不是systemd的拷贝初始化文件
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$ sudo cp /tmp/tuptime/latest/init.d/tuptime.init.d-debian7 /etc/init.d/tuptime
$ sudo update-rc.d tuptime defaults
####运行####
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只需输入以下命令:
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$ sudo tuptime
**样例输出:**
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![Fig.03: tuptime in action](http://s0.cyberciti.org/uploads/cms/2015/09/tuptime-output.jpg)
*图03tuptime工作中*
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在一次更新内核后,我重启了系统,然后再次输入了同样的命令:
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$ sudo tuptime
System startups: 2 since 03:52:16 PM 08/21/2015
System shutdowns: 1 ok - 0 bad
Average uptime: 7 days, 16 hours, 48 minutes and 3 seconds
Average downtime: 2 hours, 30 minutes and 5 seconds
Current uptime: 5 minutes and 28 seconds since 06:23:06 AM 09/06/2015
Uptime rate: 98.66 %
Downtime rate: 1.34 %
System uptime: 15 days, 9 hours, 36 minutes and 7 seconds
System downtime: 5 hours, 0 minutes and 11 seconds
System life: 15 days, 14 hours, 36 minutes and 18 seconds
你可以像下面这样修改日期和时间格式:
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$ sudo tuptime -d '%H:%M:%S %m-%d-%Y'
**样例输出:**
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System startups: 1 since 15:52:16 08-21-2015
System shutdowns: 0 ok - 0 bad
Average uptime: 15 days, 9 hours, 21 minutes and 19 seconds
Average downtime: 0 seconds
Current uptime: 15 days, 9 hours, 21 minutes and 19 seconds since 15:52:16 08-21-2015
Uptime rate: 100.0 %
Downtime rate: 0.0 %
System uptime: 15 days, 9 hours, 21 minutes and 19 seconds
System downtime: 0 seconds
System life: 15 days, 9 hours, 21 minutes and 19 seconds
计算每次启动、开机时间、关机和故障停机时间:
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$ sudo tuptime -e
**样例输出:**
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Startup: 1 at 03:52:16 PM 08/21/2015
Uptime: 15 days, 9 hours, 22 minutes and 33 seconds
System startups: 1 since 03:52:16 PM 08/21/2015
System shutdowns: 0 ok - 0 bad
Average uptime: 15 days, 9 hours, 22 minutes and 33 seconds
Average downtime: 0 seconds
Current uptime: 15 days, 9 hours, 22 minutes and 33 seconds since 03:52:16 PM 08/21/2015
Uptime rate: 100.0 %
Downtime rate: 0.0 %
System uptime: 15 days, 9 hours, 22 minutes and 33 seconds
System downtime: 0 seconds
System life: 15 days, 9 hours, 22 minutes and 33 seconds
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via: http://www.cyberciti.biz/hardware/howto-see-historical-statistical-uptime-on-linux-server/
作者Vivek Gite
译者:[GOLinux](https://github.com/GOLinux)
校对:[wxy](https://github.com/wxy)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[1]:http://www.cyberciti.biz/hardware/howto-see-historical-statistical-uptime-on-linux-server/
[2]:http://www.cyberciti.biz/faq/debian-ubunut-linux-download-a-git-repository/