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-1
votes
1answer
28 views

Configure vSphere uptime alert for linux servers

I was wondering if there's any way to configure a vSphere uptime alert for a linux server. For example, when the server has 168 hours of uptime we want an alert to generate indicating this fact. I've ...
-3
votes
2answers
42 views

Simple uptime monitor for small remote network [closed]

Our company has about 15 small stores with two Windows 7 PCs (and two VoIP phones) at each location behind a SonicWall SOHO. We use various business grade cable and fiber ISPs at each location. ...
1
vote
1answer
35 views

Making HAProxy Pass a Host Name in HTTPCHECK

I am trying to perform HTTP Checks in HAProxy with a specific host name. Here is a snippet from my backend configuration: option httpchk HEAD / HTTP/1.1\r\nHost: example.com http-check expect ...
0
votes
1answer
27 views

In terms of stability, who beats whom? VPS or dedicated server? [closed]

basically I am asking because I am wondering if dedicated servers are really more stable than VPS? I read here: http://www.inmotionhosting.com/support/website/difference-between-shared-vps-dedicated-...
-1
votes
2answers
160 views

if you have your entire infra on Amazon VPC, what kind of uptime guarantee is a safe committment? [closed]

We are a small startup trying to cater to our first customer. At the moment, the entire h/w setup is on amazon cloud (will be moving shortly to VPC). I have to give an estimate to the customer, on ...
4
votes
1answer
106 views

How is uptime tracked in UNIX?

I'm asking because I recently restored a system from a backup using NetBackup and uptime now reports that the system has only been up since the restore finished, despite the fact that it has been ...
1
vote
1answer
21 views

Why is stack driver unable to find the test results for my uptime check

I just setup an uptime check on StackDriver. Next to the check, however, I have a series of black circles. When I hover over each of them I receive the message Unable to find check results. I ...
1
vote
0answers
43 views

Where can I get SLA / Outage information for Microsoft Exchange Online *greater than 30 days old*? [closed]

The only MSFT provided portals that list incidents, outages, and downtimes list only 7 days in the default view, and no more than 30 days in the extended view. I want to compare a full year (or more) ...
0
votes
0answers
146 views

nginx sending 499 response to uptimerobot?

I woke up this morning to a notification from uptimerobot that a site was down. I checked it myself, and it was not. I ssh'd in and checked the server logs, and while normal requests were being dealt ...
0
votes
0answers
35 views

Uwsgi Fallback Strategies

I'm giving some thought to application redundancy, and I was wondering what the best-practices are for improved reliability using uwsgi fallback features. Specifically, I had two thoughts: 1) We ...
3
votes
1answer
200 views

Debian Server Keeps Restarting Unexpectedly

My laboratory' server with Debian-Wheezy-7.8-Stable keeps restarting few times after some hours of uptime without any notification. This server is set up for considerably high load numerical ...
0
votes
1answer
1k views

Display uptimes on Zabbix screens

I'm struggling to find a proper way to display uptimes on a Zabbix screen. I have a screen displaying information about each running services health: CPU and memory consumption, and I would like to ...
11
votes
1answer
2k views

Update Docker container without downtime

Let's say I have a Docker container with a web server (like Apache 2). Now I want to update the OS under it. This SF answer says the best way is to rebuild the base image and my Apache image. But ...
0
votes
1answer
89 views

Maintaining uptime on heroku

I'm sure this been asked many times before, but I can't find any previous questions here. We had an outage on our Heroku applications the EU last night. What techniques or strategies can we use to ...
0
votes
1answer
169 views

Strange overload on apache2 web server [closed]

I recently inherited a web server setup from another developer. Its basically the following: 2 web servers running apache 2 2 load balancers running nginx 2 database servers running MySQL Every week ...
4
votes
1answer
369 views

apache httpd restarts every 24 hours

I have an Apache/2.2.22 (Linux/SUSE) and it automatically restarts every day at the same time. I have no cron jobs configured to do that on any user. I started collecting minutelly snapshots of the ...
1
vote
1answer
305 views

Load average 1.00 while top seems to show the server as idle

My server is not responding to HTTP requests, and it took me a long time before being able to log in with SSH; it all looks like the server is overloaded and on its knees. It already did that a few ...
12
votes
2answers
589 views

How can I find out the very first time linux machine start up? [duplicate]

When we use uptime, it only shown us the up-time of ours machine since it started from the last time it turning on/shutdown/reboot. But, what if I want to get the time when our machine started from ...
1
vote
2answers
336 views

Diagnose why server went down

I have a couple of Asp.Net web apps running a Windows Server 2008 R2 VPS. We have been using this VPS for years. Since the last few months, we have had our apps go down for 30-45 mins. This doesn't ...
0
votes
2answers
330 views

monit displays false number from my uptime script

I've wrote a script for fetch real uptime and display in monit. But I think it displays just exit error status. My uptime script is: #!/bin/sh uptime=`uptime | awk -F " " '{print $3}'` echo $uptime ...
1
vote
4answers
956 views

Server Load very high despite CPU usage being low

When I run the top command I get this top - 23:20:50 up 1:25, 1 user, load average: 11.02, 11.20, 10.41 Tasks: 262 total, 3 running, 258 sleeping, 1 stopped, 0 zombie Cpu(s): 75.6%us, 6.1%...
3
votes
4answers
4k views

How can you tell if a server is down?

Let's say I am getting no connection to a website over http, ie. "Oops! Google Chrome could not connect to x" returns in a browser. What steps can I take to determine if the server is completely ...
2
votes
2answers
2k views

Command / Method to find the up-time of SSH server daemon & Nginx

I am looking for a method / Linux command to get the up-time of the open-ssh server and Nginx server running on my Ubuntu system. I want to know the up-time for calculating some internal statistics. I ...
1
vote
2answers
152 views

How to verify promised uptime before hiring a server?

I've been bitten by this too many times. You find a well known hosting provider, read comparative reviews (and pass by on any company that has influence in those review), they promise 99.99% uptime, ...
-2
votes
2answers
211 views

DNS no longer works after server reboot [closed]

Strangely enough, when I reboot my Ubuntu 12.04 server, the DNS no longer works, which makes the domain unavailable to access to my site. Normally the DNS should be working after a reboot, but this ...
0
votes
5answers
265 views

Monitor Windows workstation uptimes

I need a simple setup to monitor the usage of several Windows 7 machines in our office. Nothing fancy, I just need to know when they are turned on and off, and ideally have an overview of daily uptime ...
1
vote
1answer
1k views

How does Heartbeat determine when to switch to the secondary? Can you force it to switch?

I've been trying to understand exactly how Heartbeat works - I understand how when one server dies, it switches to the backup. But, for me, it also switches when the primary has a large increase in ...
1
vote
2answers
6k views

Is there a locally hosted service (similar to Pingdom) for monitoring uptime/response time? [duplicate]

Possible Duplicate: What tool do you use to monitor your servers? I'm looking for something to monitor intranet apps and internal web services, and provide logs of historical response times, ...
-1
votes
1answer
439 views

What is the most stable AWS EC2 region? [closed]

I'm wondering if anyone has compiled any stats about which region in AWS has experienced the fewest outages, and/or has the best uptime percentage? From my very anecdotal experience US-East-1 (the ...
1
vote
1answer
110 views

Considering no website/service is 100% up, how do systems measure web downtime with precision?

I think the title speaks for itself. But, to give an example: In a recent post, 37 signals show it's real downtime and compares with other web services. They get very few down time and probably most ...
1
vote
6answers
1k views

How to protect power strips from accidental shut-offs/“cleaning lady” attack?

Are there any power strips or products designed to defend against a "cleaning lady" attack (cleaning crew is vacuuming the floor and bumps the power strip switch, turning off all the connected ...
0
votes
1answer
568 views

Is there a pingdom-like service that has hosts in Asia and South America [closed]

I am looking for a remote monitoring service, similar to pingdom, that has more global reach. Right now pingdom only has coverage for North America and Europe. Does anyone know of a competing service ...
1
vote
3answers
172 views

Do these server uptime 'pinging' services really do anything special?

Other than pinging a particular endpoint like to see if my website server is returning, do these server monitoring (ping) type services offer anything else? I'm just thinking it is cheaper to get a ...
0
votes
1answer
2k views

Fake Server Uptime (Linux/Windows) [closed]

Is it possible to fake the server uptime in any way (throttling the time).?(Linux/Windows). I guess it will cause serious troubles, still just wondering. -Cheers
0
votes
2answers
60 views

Check status of links to pages posted on my site

When people post links on my site, I kinda want to just make sure that the website they link to is active and not dead. How can I check this? I was thinking to use meta data or title but I don't ...
4
votes
3answers
413 views

How do I handle post-mortems/incident reporting with Nagios?

I just started using Nagios and I like that my team can acknowledge problems, but I haven't yet found a way to log the solutions that are used to correct the problems. Is there a tool that logs ...
1
vote
3answers
763 views

DNS Round Robin only if one goes down?

I've got two servers, equal capabilities in terms of processing power and load. What I am trying to accomplish is this: (I already own and run DNS servers so this shoudln't be a problem). Server A ...
2
votes
1answer
992 views

What does the suffix 'w' and 'd' mean with 'TIME+' in top?

Here's a chunk of the top from my server: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 18878 www-data 20 0 200m 13m 4704 S 0 0.2 0:00.07 apache2 12374 ...
-1
votes
4answers
1k views

Difference between a ping and a GET request? [closed]

What is the difference between a ping and a get request? The goal is to see if the site is up.
2
votes
5answers
203 views

Reinstalling Linux: how to avoid downtime?

My website runs on a dedicated Debian LAMP server . I would like to update the system (let's say I have a pretty old Debian version and I want to reinstall everything from scratch) What strategy can ...
0
votes
2answers
292 views

How Can Linux Top Show 2% Idle, but Load Say 1.20?

On CentOS5, I'm seeing the 'top' command showing a hover between 20% and 2% idle, but then the load says 1.20. How can that be possible? When I type 'uptime', as well, I see 3 load numbers that are ...
5
votes
4answers
10k views

Determine process uptime

Is there a way to determine the 'uptime' of a process in Windows. Disappointed to find that it is not one of the attributes available when using the Task Manager.
0
votes
2answers
167 views

Uptime Monitoring solution that opens a constant socket connection?

I want to monitor some servers and some of them have the potential of having very unstable connectivity. This is because they are located in office locations that only have consumer internet access. ...
4
votes
7answers
2k views

Detecting restart since last run in a shell script on Linux?

What's the best way to tell from a shell script if the host has restarted since the last time the script was run? I can think of storing the uptime in a file on each run, and checking if it has ...
10
votes
7answers
880 views

Uptime Monitoring Every Second - Bad For the Server?

I'm wondering if there's avantages of checking if a server is UP by doing a "HTTP GET Request" every second? Can any server handle it?
3
votes
2answers
201 views

Exposing server uptime a potential security vulnerability?

I run a browser-based game and as part of a page with a bunch of game statistics, I have the server uptime listed. It's currently at 177 days and so someone mentioned to me that I shouldn't do this ...
2
votes
4answers
282 views

Question regarding uptime strategy for website

I'm working on a website where we need to have a good deal of uptime. Specially in the short bursts (15-day periods) that the website's events happen. The page is dead simple and can be served ...
4
votes
5answers
7k views

Ping Equivalent For Checking If A Port Is Open

How do I check if a port is consistently alive? For example, I could use ping 192.168.1.1 -t > results.txt This will ping 192.168.1.1 continuously so that I could monitor it. Is there an ...
0
votes
3answers
231 views

requirement for monthly uptime and system performance

Management wants uptime and system performance data monthly (CPU) for our systems which consist of a mixture of linux/unix/windows machines. Anything out there that might provide this information? ...
1
vote
3answers
133 views

Should I leave my hosting provider

I have my website hosted with a hosting provider and they have recently had a serious outage. So at the moment it is at 48 hours and counting where I can't access email, http or ftp. I'm obviously ...