Questions tagged [uptime]

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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, ...
Dylan Beattie's user avatar
-1 votes
1 answer
919 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 ...
Mikel's user avatar
  • 125
2 votes
1 answer
140 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 ...
lucasarruda's user avatar
3 votes
8 answers
4k 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 ...
Thank you's user avatar
  • 279
0 votes
1 answer
632 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 ...
MikeJ's user avatar
  • 1,381
1 vote
3 answers
214 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 ...
codecompleting's user avatar
0 votes
1 answer
3k 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
SparX's user avatar
  • 1,924
0 votes
2 answers
74 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 ...
Chirag's user avatar
  • 271
4 votes
3 answers
468 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 ...
GregB's user avatar
  • 1,402
2 votes
3 answers
3k 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 ...
U4iK_HaZe's user avatar
  • 633
2 votes
1 answer
2k 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 ...
ssapkota's user avatar
  • 538
0 votes
4 answers
13k 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.
donald's user avatar
  • 463
2 votes
5 answers
267 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 ...
dynamic's user avatar
  • 740
0 votes
2 answers
353 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 ...
ServerChecker's user avatar
36 votes
7 answers
78k 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.
nick's user avatar
  • 363
1 vote
2 answers
302 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. ...
The Shurrican's user avatar
6 votes
7 answers
5k 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 ...
kdt's user avatar
  • 1,410
11 votes
7 answers
2k 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?
donald's user avatar
  • 463
3 votes
2 answers
664 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 ...
Ed Mazur's user avatar
  • 133
2 votes
4 answers
316 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 ...
Julian's user avatar
  • 545
8 votes
6 answers
60k 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 ...
grassbl8d's user avatar
  • 293
0 votes
3 answers
254 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? ...
mdpc's user avatar
  • 11.9k
1 vote
3 answers
144 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 ...
radman's user avatar
  • 1,701
0 votes
1 answer
72 views

What problems can I have by pinging or making a HTTP request to a website every minute?

What problems do I have to think before creating a monitoring system like pingdom, etc?
donald's user avatar
  • 463
2 votes
3 answers
279 views

Is reading the HTTP GET response enough to know if the server is up?

I want to make sure the site is UP and running. Is reading the HTTP GET Response enough? What does services like PingDom test?
donald's user avatar
  • 463
1 vote
1 answer
3k views

May I use CDN for whole website (PHP, Apache, MySQL) or just for images and CSS, JS files?

May I use CDN for whole website (PHP, Apache, MySQL) or just for images and CSS, JS files? What's the best choice > cloud-hosting or dedicated-hosting? Does CDN has that support? Witch hosting you ...
Binyamin's user avatar
  • 143
2 votes
3 answers
2k views

Is there a Ruby, Python or open source way to monitor uptime?

Is there a Ruby, Python or open source uptime monitor like PingDom, etc?
donald's user avatar
  • 463
2 votes
3 answers
303 views

"uptime" and "who" disagreeing

I've got an Ubuntu server that's exhibiting a somewhat strange behavior. uptime reports the following: 07:48:10 up 627 days, 21:19, 3 users, load average: 0.04, 0.01, 0.00 w reports: 21:59:25 up ...
Steven Bedrick's user avatar
0 votes
2 answers
176 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) ...
Robert Rolnik's user avatar
0 votes
2 answers
275 views

service uptime guarantee calculation

I have a web system. I need to calculate the up time of the whole system. I have load balance (in the moment without virtual ip and redundant load balance), one database. Two servers as cluster. ...
darko petreski's user avatar
3 votes
3 answers
14k 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 ...
Chris's user avatar
  • 1,289
2 votes
4 answers
16k 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 ...
Alexander Bird's user avatar
9 votes
8 answers
17k 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 ...
Zitrax's user avatar
  • 794
0 votes
5 answers
279 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
John's user avatar
  • 542
4 votes
3 answers
399 views

Reasonably-priced, multiple endpoint heartbeat software

We've got four servers in use for a mission-critical application that all need constant connectivity to each other--six always-up connections in total. I need a way to monitor these connections and ...
Brennon Bortz's user avatar
1 vote
2 answers
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 ...
meow's user avatar
  • 113
0 votes
1 answer
53 views

How to add a string to every file opened in Apache

I have a lot of domains and it's getting hard to manage so I want to add a string to the end of every file opened in Apache so I can request any domain if check if the string is there so I will know ...
user avatar
2 votes
3 answers
1k 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?
Paulo Coghi's user avatar
3 votes
6 answers
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 ...
user35204's user avatar
  • 199
0 votes
3 answers
1k views

Help, my CentOS servers keep going down , No route to host after a random uptime

I have a couple of Centos linux servers, that have a very simple task, they run nginx + fastcgi for php , and some NFS mounts between them, readonly They have some RPC commands to start some ...
PartySoft's user avatar
  • 227
0 votes
2 answers
253 views

How To Perform Distributed Website Monitoring?

I would like to know how sites like the following perform distributed website monitoring (from multiple checkpoints/countries). pingdom.com, site24x7.com, uptrends.com, siteuptime.com, etc, etc. To ...
Corey Ballou's user avatar
2 votes
1 answer
2k 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 ...
user avatar
0 votes
4 answers
354 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 ...
SetiSeeker's user avatar
2 votes
2 answers
3k views

Lifetime of IIS worker process or AppDomain

I have an ASP.NET app hosted in IIS, and I have automatic worker process recycling/shutdown disabled. I'd like to have a rough idea of how long the app has been running continuously without being re-...
G-Wiz's user avatar
  • 125
3 votes
0 answers
470 views

How to monitor Flash applets?

We created a fancy Flash application for a customer and deployed it. The server itself is monitored by the hosting company, but is there any external monitoring service that works well with Flash ...
user avatar
1 vote
3 answers
482 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 ...
user avatar
3 votes
5 answers
4k views

Storing / calculating historical load averages

When I run uptime, I get output similar to the following: 07:50:39 up 13 days, 5:00, 1 user, load average: 0.00, 0.02, 0.00 Is there a way, other than by running uptime every X-many minutes, to ...
warren's user avatar
  • 18.7k
0 votes
3 answers
581 views

Converting a non-raid linux box to Raid, with minimal downtime

I want to convert a non-raid linux system to RAID1, using two new disks. I would like to do this with minimal downtime. Rather than adding the disks and shutting down to single user mode to copy ...
DrStalker's user avatar
  • 7,036
0 votes
8 answers
3k views

Server Uptime before a reboot

I was just visiting a server at the datacenter and notied that it has been up(without a reboot) since last October (11 months). It is a VMHost running Windows Server 2003. Even if something has ...
0 votes
3 answers
1k views

Apache uptime question

I've been doing web development for some time, but server admin has never been part of my job. I'm finding that more and more I need to learn about what is going on under the hood. Looking at server ...
nedlud's user avatar
  • 273