From 40dffff3e510a4d95dc0c5d3f369105a6faa4740 Mon Sep 17 00:00:00 2001 From: MjSeven <33125422+MjSeven@users.noreply.github.com> Date: Mon, 2 Apr 2018 17:21:13 +0800 Subject: [PATCH] Delete 20171109 How to record statistics about a Linux machine-s uptime.md --- ...atistics about a Linux machine-s uptime.md | 217 ------------------ 1 file changed, 217 deletions(-) delete mode 100644 sources/tech/20171109 How to record statistics about a Linux machine-s uptime.md diff --git a/sources/tech/20171109 How to record statistics about a Linux machine-s uptime.md b/sources/tech/20171109 How to record statistics about a Linux machine-s uptime.md deleted file mode 100644 index 9b26d7cf7c..0000000000 --- a/sources/tech/20171109 How to record statistics about a Linux machine-s uptime.md +++ /dev/null @@ -1,217 +0,0 @@ -Translating by MjSeven - -How to record statistics about a Linux machine’s uptime -====== -Linux/Unix sysadmins have a weird obsession with server uptime. There is a xkcd comic devoted to this subject where a good sysadmin is an unstoppable force that it stands between the forces of darkness and your cat blog's servers. -[![Fig.01: Devotion to Duty https://xkcd.com/705/][1]][1] -One can tell how long the Linux system has been running using the uptime command or [w command][2] or top command. I can get [a report of the historical and statistical running time of the system][3], keeping it between restarts using tuptime tool. - -Like uptime command but with the more impressive output. Recently I discovered another tool called uptimed that records statistics about a machine's uptime. Let us see how to get uptime record statistics using uptimed and uprecords on Linux operating system. - -Finding uptime is pretty easy, just type the following on your Linux based system: -``` -$ **uptime -p** -up 2 weeks, 4 days, 7 hours, 28 minutes -``` -To keep historical stats about uptime use either [tuptime][3] or uptimed tool. - -## uptimed installation - -The simplest way to install uptimed locally is through your package managers such as apt/apt-get/yum and friends as per your Linux distro. - -### Install uptimed on a Debian/Ubuntu Linux - -Type the following [apt command][4]/[apt-get command][5]: -`$ sudo apt-get install uptimed` -Sample outputs: -``` -Reading package lists... Done -Building dependency tree -Reading state information... Done -The following additional packages will be installed: - libuptimed0 -The following NEW packages will be installed: - libuptimed0 uptimed -0 upgraded, 2 newly installed, 0 to remove and 3 not upgraded. -Need to get 40.7 kB of archives. -After this operation, 228 kB of additional disk space will be used. -Do you want to continue? [Y/n] y -Get:1 http://mirrors.linode.com/ubuntu xenial/universe amd64 libuptimed0 amd64 1:0.3.17-4 [9,050 B] -Get:2 http://mirrors.linode.com/ubuntu xenial/universe amd64 uptimed amd64 1:0.3.17-4 [31.6 kB] -Fetched 40.7 kB in 0s (2,738 kB/s) -Preconfiguring packages ... -Selecting previously unselected package libuptimed0. -(Reading database ... 39163 files and directories currently installed.) -Preparing to unpack .../libuptimed0_1%3a0.3.17-4_amd64.deb ... -Unpacking libuptimed0 (1:0.3.17-4) ... -Selecting previously unselected package uptimed. -Preparing to unpack .../uptimed_1%3a0.3.17-4_amd64.deb ... -Unpacking uptimed (1:0.3.17-4) ... -Processing triggers for systemd (229-4ubuntu21) ... -Processing triggers for ureadahead (0.100.0-19) ... -Processing triggers for man-db (2.7.5-1) ... -Setting up libuptimed0 (1:0.3.17-4) ... -Setting up uptimed (1:0.3.17-4) ... -Processing triggers for libc-bin (2.23-0ubuntu9) ... -Processing triggers for systemd (229-4ubuntu21) ... -Processing triggers for ureadahead (0.100.0-19) ... -``` - -### Install uptimed on a CentOS/RHEL/Fedora/Oracle/Scientific Linux - -First [enable EPEL repo on a CentOS/RHEL][6]: -`$ sudo yum -y install epel-release` -Next, type the following [yum command][7]: -`$ sudo yum install uptimed` -Sample outputs: -``` -Loaded plugins: fastestmirror -Loading mirror speeds from cached hostfile - * base: centos.excellmedia.net - * epel: ftp.cuhk.edu.hk - * extras: centos.excellmedia.net - * updates: centos.excellmedia.net -Resolving Dependencies ---> Running transaction check ----> Package uptimed.x86_64 0:0.4.0-6.el7 will be installed ---> Finished Dependency Resolution - -Dependencies Resolved - -=============================================================================== - Package Arch Version Repository Size -=============================================================================== -Installing: - uptimed x86_64 0.4.0-6.el7 epel 47 k - -Transaction Summary -=============================================================================== -Install 1 Package - -Total download size: 47 k -Installed size: 98 k -Is this ok [y/d/N]: y -Downloading packages: -uptimed-0.4.0-6.el7.x86_64.rpm | 47 kB 00:01 -Running transaction check -Running transaction test -Transaction test succeeded -Running transaction - Installing : uptimed-0.4.0-6.el7.x86_64 1/1 - Verifying : uptimed-0.4.0-6.el7.x86_64 1/1 - -Installed: - uptimed.x86_64 0:0.4.0-6.el7 - -Complete! -``` - -If you are using **a Fedora Linux** , run the following dnf command: -`$ sudo dnf install uptimed` - -### Install uptimed on an Arch Linux - -Type the following pacman command: -`$ sudo pacman -S uptimed` - -### Install uptimed on a Gentoo Linux - -Type the following emerge command: -`$ sudo emerge --ask uptimed` - -## How to configure uptimed - -Edit the file /etc/uptimed.conf using a text editor such as vim command: -`$ sudo vim /etc/uptimed.conf` -At least set an email address to mail milestones/records to. Assumes sendmail compatible MTA installed as /usr/lib/sendmail. -``` -EMAIL=vivek@server1.cyberciti.biz -``` -Save and close the file. - -### How do I enable uptimed service at boot time? - -Enable uptimed service using the systemctl command: -`$ sudo systemctl enable uptimed` - -### How do I start/stop/restart or view status of uptimed service? - -``` -$ sudo systemctl start uptimed ## start it ## -$ sudo systemctl stop uptimed ## stop it ## -$ sudo systemctl restart uptimed ## restart it ## -$ sudo systemctl status uptimed ## view status ## -``` -Sample outputs: -``` -● uptimed.service - uptime record daemon - Loaded: loaded (/lib/systemd/system/uptimed.service; enabled; vendor preset: enabled) - Active: active (running) since Thu 2017-11-09 17:49:14 UTC; 18min ago - Main PID: 11137 (uptimed) - CGroup: /system.slice/uptimed.service - └─11137 /usr/sbin/uptimed -f - -Nov 09 17:49:14 gfs04 systemd[1]: Started uptime record daemon. -``` - -## How to see uptime record - -Simply type the following command to see statistics from the uptimed(8) program: -``` -$ uprecords -``` -Sample outputs: -[![Fig.02: uprecords in action][9]][9] -uprecords has a few more option: -``` -$ uprecords -? -``` -Sample outputs: -``` -usage: uprecords [OPTION]... - - -? this help - -a do not print ansi codes - -b sort by boottime - -B reverse sort by boottime - -k sort by sysinfo - -K reverse sort by sysinfo - -d print downtime seen before every uptimes instead of system - -c do not show current entry if not in top entries - -f run continously in a loop - -s do not print extra statistics - -w wide output (more than 80 cols per line) - -i INTERVAL use INTERVAL seconds for loop instead of 5, implies -f - -m COUNT show a maximum of top COUNT entries instead of 10 - -M show next milestone - -v version information -``` - -## Conclusion - -This is an excellent little tool to show your server uptime records to prove your uptime and business continuity. On a related note, you should get the official [XKCD sysadmin t-shirt][10] as comic was made into a shirt, which includes a new illustration on the back. -[![Fig.03: Sysadmin XKCD shirt features the original comic on the front and a new illustration on the back.][11]][11] - - --------------------------------------------------------------------------------- - -via: https://www.cyberciti.biz/hardware/see-records-statistics-about-a-linux-servers-uptime/ - -作者：[][a] -译者：[译者ID](https://github.com/译者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 - -[a]:https://www.cyberciti.biz -[1]:https://www.cyberciti.biz/media/new/cms/2017/11/devotion_to_duty.png -[2]:https://www.cyberciti.biz//www.cyberciti.biz/faq/unix-linux-w-command-examples-syntax-usage-2/ (See Linux/Unix w command examples for more info) -[3]:https://www.cyberciti.biz/hardware/howto-see-historical-statistical-uptime-on-linux-server/ -[4]:https://www.cyberciti.biz//www.cyberciti.biz/faq/ubuntu-lts-debian-linux-apt-command-examples/ (See Linux/Unix apt command examples for more info) -[5]:https://www.cyberciti.biz//www.cyberciti.biz/tips/linux-debian-package-management-cheat-sheet.html (See Linux/Unix apt-get command examples for more info) -[6]:https://www.cyberciti.biz/faq/installing-rhel-epel-repo-on-centos-redhat-7-x/ -[7]:https://www.cyberciti.biz//www.cyberciti.biz/faq/rhel-centos-fedora-linux-yum-command-howto/ (See Linux/Unix yum command examples for more info) -[8]:https://www.cyberciti.biz/cdn-cgi/l/email-protection -[9]:https://www.cyberciti.biz/media/new/cms/2017/11/uprecord-screenshot.jpg -[10]:https://store.xkcd.com/collections/apparel/products/sysadmin -[11]:https://www.cyberciti.biz/media/new/cms/2017/11/sysadmin_shirt_5_1024x1024.jpg