The tag has no usage guidance.

learn more… | top users | synonyms

-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 ...
3
votes
6answers
3k views

How to transfer a domain name with 99.9999% uptime?

I am currently developing a project which is mission-critical. The actual domain name is registered with 1 & 1 and I plan on purchasing DynDNS Custom DNS service (which has 5 different ...
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 ...
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 ...
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) ...
3
votes
3answers
10k views

Method to calculate downtime percentage

I need a calculation to work out the downtime percentage of a server. I am making a script that runs via cron every minute to check the uptime of a remote server. The two values I have to play with ...
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 ...
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
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 ...
7
votes
6answers
10k views

Simple web server monitoring (alive)

Any tip about software to monitor if a web server is up and running on linux ? It should be able to run with not knowing anything more than the URL. And it must have functionality to send an email ...
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, ...
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 ...
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%...
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 ...
2
votes
1answer
1k views

php APC uptime problem

I am on LAMP with Alternative PHP Cache. It worked fine until yesterday when I updated the website and changed a few mySQL queries (I don't see the how it would affect APC opcode cache) Today I see ...
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
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
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, ...
0
votes
5answers
247 views

suggest web server monitoring service [closed]

Please, suggest web server(web site, web hosting) monitoring service. It should : - be online - monitor from different locations - monitor uptime, response time etc. - have alerts
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 ...
-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
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 ...
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 ...
2
votes
4answers
4k views

nginx: how to load a new conf file witout restarting nginx

I made a new conf file in sites-available (and linked it in sites-enabled) and now I want to "install" that conf file without resetting the nginx server. As root, I can run nginx -c file.conf since ...
0
votes
4answers
324 views

System Uptime Monitors

I am looking for reviews and suggestions a an online service such as http://www.alertmefirst.com/ I need a service or system that can monitor the following and provide me daily emails and monthly ...
1
vote
3answers
419 views

Self uptime monitor?

Is there an app or a technique i can use to self monitor a server? For a technique i was thinking of writing a log file every minute and clearing them every hour marking down every minute my app did ...
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. ...
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 ...
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 ...
1
vote
2answers
1k views

Keeps “SSH timeout” error in our AWS instance- how do i diagnose?

I am befuddled by this error. We keep failing to SSH into our AWS instance, whether it is is deployment or via console. I have tried rebooting a few times, but it does not seem to be helping. Here ...
-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 ...
2
votes
3answers
620 views

Is it possible to guarantee 100% uptime in redundant hosting servers inside a cloud computing structure?

I'm interested in find a hosting that can offer really 100% of uptime. Is it possible in hosting servers inside a cloud computing structure?
0
votes
2answers
155 views

Verifying hosted VOIP PBX uptime

For the second time, I'm outsourcing my VOIP hosting to a provider, whom I have to trust their sales pitch of 45 minutes down per 365 days. Is there an automated way I can test their server(s) ...
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 ...