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• Firefox, Thunderbird, Safari - hangs up on start

  - by takeshin

  I have a strange problem on Windows Vista (Automatic updates). Long time ago I had installed Firefox, Thunderbird, Safari and Opera and they all worked well. Once upon a time, after Windows restart, Firefox, Thunderbird and Safari won't start. [Opera (USB) works fine]. When I start the browser, program name is listed on the processes list, but it is not activated, doesn't show any window. I tried crating new profiles with -ProfileManager, restarting Windows, reinstalling the browsers. I scanned the system for suspected programs and it looks clean. There is 45GB of free HDD space. WTF?

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• monitor just what's going on -on a firewall

  - by bbutle01

  I have this little snapgear firewall. It's a little purpose built box running a custom linux, SH4 processor @240 Mhz, 64MB of ram. Basically how close we are to capacity is a mystery to me. I know I can run top and see the status of all the processes, but how can I see just how much of the processor is going to passing data... and how to estimate when I'm going to need to upgrade, and by tweaking iptables rules, how does that help/hurt the processor. suggestions?

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• How to let users change linux password from web browser?

  - by wag2639

  I'm not sure if this is a stackoverflow question or serverfault but here goes: I have an Ubuntu 10.04 file server (Samba/FTP/HTTP) and I would like to have the ability to give users the ability to change their password to the server using their web browser. I've written a similar script before using PHP and a mess of exec but I believe that isn't secure because it can be listened to by someone looking at the list of processes on the server. Is there some kind of plugin (PHP or Python or other) that can do this easily? I rather not use something like webmin as it's overkill for this.

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• Memory limit on PHP + Apache + Windows 32 bit?

  - by thkala

  I am considering using Apache 32-bit for a Moodle installation on a Windows 2008 R2 64-bit/16GB server. Since the available memory affects the number of concurrent of users that can be served, I was wondering how the 2GB memory limit on 32-bit Windows processes affects Apache+PHP. Is it a collective limit for the whole server, or is it applied separately for each Apache child process/thread? If it is separate, how many of those children are launched on Windows? One per request? One per processor core? Something in the middle? Is this somehow configurable?

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• MySQL will Stop working after being Started

  - by user115343

  i am new to a webserver thing. I use Centmin mod to install nginx + mariaDB to setup small wordpress blog,the first day it is ok,there are nice "hello world" on my box's IP,but today i have checked that mysql is stop working so i immediately start it again but it is stoped again after some minutes! i use this tutorial but still,it will stop after some period here is my log [root@rylai ~]# tail -f /var/log/mysqld.log 120326 16:19:05 [Note] Plugin 'PBXT_STATISTICS' is disabled. 120326 16:19:05 [Note] Plugin 'InnoDB' is disabled. 120326 16:19:06 [Note] Event Scheduler: Loaded 0 events 120326 16:19:06 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.2.10-MariaDB-mariadb107' socket: '/var/lib/mysql/mysql.sock' port: 3306 (MariaDB - http://mariadb.com/) 120326 16:20:36 mysqld_safe Number of processes running now: 0 120326 16:20:36 mysqld_safe mysqld restarted 120326 16:20:39 [Note] Plugin 'ARCHIVE' is disabled. 120326 16:20:39 [Note] Plugin 'FEDERATED' is disabled. 120326 16:20:40 mysqld_safe mysqld from pid file /var/lib/mysql/rylai.pid ended I only access mysql on CLI,didnt install any panel yet

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• Automatically cycle numerous or large files to the trash

  - by minameismud

  I've been tasked with fixing a vendor's program that, under certain conditions, dumps gigs of junk files into a log directory. It ends up filling users' machines. My task is to figure out how to make it stop without any source code or additional running processes, and without making the program kasplode. In other words, I'm looking to use a feature of the file system to control the growth. One idea I had was to make a hard link from that folder to NUL, as you might with /dev/null in the linux world. However, my attempts to use the mklink program to create a junction result in a message that says Local volumes are required to complete the operation. Any ideas on how to complete the junction, or other ideas to solve the problem?

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• Server memory issues, and expected level of service from hosting company

  - by Greg

  I'm involved in maintaining an Ubuntu VPS which runs our django websites (nginx/apache/mod_wsgi) and we've been having some memory spikes which have either caused the database to die, or induced kernel panic when the memory management system can't find any killable processes. I'm working on fixing the memory spikes, but I'm wondering whether there's anything I can do to better deal with the problem if it occurs again. Are there any tools I could use to detect the memory spikes and then, say, kill the offending process and email the server admin to fix it up? Killing off one website so that the server can remain operational is certainly preferable to the whole thing falling over. Also, we were charged $600 for after-hours service because we had to get the hosting company to restart the server - is this standard practice among hosting companies? Another provider I work with provides a panel with which I can stop and start the server myself, and given that a restart was all that was needed, $600 seems mightily excessive. (That's NZD, it's around $445 USD)

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• "Slave" user accounts in GNU/Linux

  - by Vi

  How to make one user account to be like root for some other user account, e.g. to be able to read, write, chmod all it's files, chown from this account to master and back, kill/ptrace all it's processes and to all thinks root can, but limited only to that particular slave account? Now I'm simulating this by allowing "master" user to "sudo -u slaveuser" and setting setfacl -dRm u:masteruser:rwx ~slaveuser. It is useful as I run most desktop programs in separate user accounts, but need to move files between them sometimes. If it requires some simple kernel patch it is OK.

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• Ubuntu Linux: Process swap memory and memory usage

  - by David Halter

  My Ubuntu eats more memory than the task manager is showing: sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}' 1043.84 free -m total used free shared buffers cached Mem: 3860 1878 1982 0 20 679 -/+ buffers/cache: 1178 2681 Swap: 2729 1035 1693 That's strange. Can someone explain this difference? But what is more important: I'd like to know how much memory a process is really using. I don't want to know the virtual memory size, but rather the resident memory plus swap of a process. I have also tried to output the format param "sz" of 'ps', but the sum of this is to high (5450 MB) (param 'size' gives 8323.45 MB). Are there any other options? I really want to use this, to determine which programs/processes are eating to much memory (and swap), to kill them, because hibernate might not be working if the swap partition is to little.

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• High memory utilization by sqlservr.exe process

  - by abdul samad

  Sub:High memory utilization by sqlservr.exe process. When I look into task manager --processes or by using perfmon memory counters(Sqlserver:memory manager:Target server memory and Total server memory) I am getting high memory utilization by sqlservr.exe process nearly 8 GB (Target server memory counter) and 7.95 GB (Total server memory). and when I restart the MSSQLSERVER service it again shoots up to the same size. I am getting this issue quite frequently. Please help me out in identifying why sql server is using so much memory and how to find out what query , stored procedure etc is making sql server use that much memory. * I am not using any triggers or cursors in my code. Thanks

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• How to stop nginx on Mac OS X

  - by Alex Kaushovik

  I've installed nginx server on my Mac from MacPorts: sudo port install nginx. Then I followed the recommendation from the port installation console and created the launchd startup item for nginx, then started the server. It works fine (after I renamed nginx.conf.example to nginx.conf and renamed mime.types.example to mime.types), but I couldn't stop it... I tried sudo nginx -s stop - this doesn't stop the server, I can still see "Welcome to nginx!" page in my browser on http://localhost/, also I still see master and worker processes of nginx with ps -e | grep nginx. What is the best way to start/stop nginx on Mac? BTW, I've added "daemon off;" into nginx.conf - as recommended by various resources. Thank you.

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• Best way to synchronise photos to three machines. Laptop, Desktop, NAS

  - by user9632

  I'm using Picasa as my photo management software, and I have a collection of photos that gets downloaded from my cameras either onto my Desktop or onto my Laptop. I'd like to automatically have copies of all my photos on both my laptop, desktop and my NAS. Does anyone else do this? Do you have any recommendations for Software or processes? Is there anything I need to be careful of? I had a look at Dropbox, but it appears to have a 2 gig limit? What about something like SyncBack?

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• Apache - mod_pagespeed freezes my website

  - by Jonathan Rioux

  I have installed the mod_pagepseed module for Apache. I am using Debian so I downloaded the .deb file, and installed it successfully. I then configured some filters, and it worked like a charm for some minutes. Then after something like 10 minutes, my website no longer responded to the requests. When I was requesting for my website, it said "Waiting for www.blablabla.com" and I never got the page back from the server. I checked the processes running on my Debian box with top -d 0.5, and nothing eats up the CPU. To make my website responding to requests again, I must do a /etc/init.d/apache2 restart. And then it works again with mod_modspeed applying it's filters for a couple of minutes, and no more response again. How can I diagnose this issue? Is there some other configurations in the mod_pagespeed.conf file that I must set?

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• How do I lower idle cpu usage in ubuntu linux? Gnome or KDE Variants

  - by Jasen

  My question comes from a kde desktop currently, but it also happens with the gnome instance. When just sitting there, with only the cpu monitor widget running. no open windows, no background processes other than the desktop, my cpu is at ~20%. I wanna know how to fix this, and possibly get better performance out of it. When running my windows side, the cpu will sit at zero, and i generally load new programs about 400ms faster. With windows 7 being as slow as it is, this is not acceptable. and the widget is only set to check every 500ms, so im almost completely sure its not the widget. My system is a Gateway nv 53 amd 2.0 ghz turion with 4 gb of installed ram, and 500 gb hd. both linux and windows are 64 bit. average ram use on either system is about 1.4 gb for just the os

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• PID:4 using Port 80

  - by CyberOPS

  I was trying to install Zend Server CE on my computer but when I got to the point were I need to choose the port for my Web Server it says: "Web Server Port: 80 Occupied". So I decided to check what is using Port 80 with CMD by typing: "netstat -o -n -a | findstr 0.0:80": TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 I check for PID:4 in Task Manager's Processes and Services. Seems PID 4 is "System". So, what I want to know is how can I stop "System" (PID:4) from using Port 80? INFO: I am using: Windows 7 64bit; Zend Server CE 5.5.0

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• Separation of memory oriented process and CPU oriented process

  - by Jeevan Dongre

  I am develops guy working for an e-commerce company I am running my e-commerce application built using ruby on rails spree commerce. I am presently running 2 medium instances in the production. One is a high memory instance which has 3.8 RAM and single Core CPU and another one is high CPU instance which has Dual Core CPU. Basically AWS calls it has m1.medium and c1.medium instance respectively. My question is it possible to separate the processes according the cpu intense and memory intense? So that all the cpu intense process can be made run in high cpu instance and all the memory intense process can be made to run in the high memory instances. Is any tool available to identify those process. Kindly give me some heads up. Thank you

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• My server appears to have been hacked+ scanssh run by zabbix is it normal?

  - by Niro

  I'm running a few EC2/Scalr instances with zabbix monitoring. I received complaints about one of my servers port scanning other servers. the logs show it is accessing port 22 on consecutive IP addresses. I looked at the processes list and saw scanssh is running under the user Zabbix. My question is- Is scanssh part of zabbix? Is it suppesd to run? I have active autodiscovery on zabbix but it is looking at another IP addresses and definately not port 20. Is it possible that something in the config of zabbix agent is controlling it and not the settings on zabbix server? What can I do to find out if zabbix is somehow misbehaving or it is a hacker? Any advice is highly appreciated.

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• How to stop nginx on Mac OS 10.6.3

  - by Alex Kaushovik

  I've installed nginx server on my Mac from MacPorts: sudo port install nginx. Then I followed the recommendation from the port installation console and created the launchd startup item for nginx, then started the server. It works fine (after I renamed nginx.conf.example to nginx.conf and renamed mime.types.example to mime.types), but I couldn't stop it... I tried sudo nginx -s stop - this doesn't stop the server, I can still see "Welcome to nginx!" page in my browser on http://localhost, also I still see master and worker processes of nginx with ps -e | grep nginx. What is the best way to start/stop nginx on Mac? BTW, I've added "daemon off;" into nginx.conf - as recommended by various resources. Thank you.

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• Network on linux server is periodically down

  - by Fabian

  I have an old server running Fedora 4 that occasionally just stops responding via network for about an hour. This happens 1-2 times a week. Also no connection from the server itself to any other computer on the network is possible when it happens. The network settings and routes look fine. There are no unusual log messages and no unusual processes running at that time. If I restart the network or just do an ifconfig eth0 down & ifconfig eth0 up it works fine afterwards. I know that the server should be updated to a currently supported OS, but that is not really an easy option right now. Any ideas on how I could diagnose and fix that problem?

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• How do I kill a process that keeps respawning?

  - by terabytest

  I got infected by a virus. It looks like I removed it, but it somehow injected a few more processes (I can see them in the task manager) that respawn when I kill them (somehow). Is there a way to destroy those process to stop them from respawning, or in the case something else is respawning them, to kill that "something"? I really don't want to format my pc for this. The data in it is very important for me (personal value) so I'd really want to know a way to do this without reinstalling my OS. I'm on Windows Vista 32 bits.

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• Strange Intermittent Background Sound in Windows 7

  - by NoCarrier

  Ok, this is very strange. Recently, i noticed that every 10-15 seconds, there would be this faint, annoying duh-dum sound coming out of my speakers. (hard to describe. sounds somewhat like the sound windows makes when you unplug a USB device, but not as pronounced and much quieter). I closed every app and ended as many processes as I could, but the sound persists. I look at the volume mixer and sure enough, when the sound occurs, there is a little spike in the level under "System Sounds". I haven't installed any hardware or software in the last several weeks. This started recently - completely out of the blue. Does anyone have any insight?

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• Django freezes when adding objects through the admin

  - by Quartz

  I have a Django 1.1 website running via Apache/mod_wsgi with a PostgreSQL 8.3.1 database. Recently, when I added objects through the admin interface, the connection froze up and I lost several worker processes, so I had to restart Apache. Upon trying to replicate this, I found that it only happens through the admin: if I go into the Django shell and issue the same insert, it works fine. Also, performing an UPDATE operation works without issues, so just INSERTs. I've rebuilt indexes on PostgreSQL and run a full VACUUM. Error logs don't show anything, and I can't figure out for the life of me what's wrong. Anyone have any ideas?

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• cpu usage nearly 100 constantly windows xp sp3

  - by user33882

  When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and when i start some other apps, the cpu usage of the new opened application is also very high.. this continues until i reboot the system. There is single particular process occupy more cpu. All the processes cpu usage is little high than normal.. Any solutions?

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• How can one automatically logon to multiple user accounts in Windows 2008 R2

  - by DJFriar

  We are running a Windows 2008 R2 Terminal Server. Currently, we have local admin accounts created, one for each client that runs our software (SiteA, SiteB, etc). We need these user accounts to auto logon if the server is rebooted. The accounts need to run a full user environment, as we will login remotely at times via TeamViewer to check processes and makes changes, etc. We are using the Registry Hack method now, but that only allows one account to logon. I've seen a program called LogonExpert, but I've never heard of it so I don't know how trust worthy it is, etc. Is there any other way to auto logon to multiple accounts in our environment? Currently the users are local users, but we could make them domain users if that is required.

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• How do I properly check if a program is a virus/trojan in VMware?

  - by acidzombie24

  How I should check if a program is a virus in VMware? Some programs I do need admin ability to install and it makes sense. But how do I know if it's doing more than I want? Some thoughts are: How many processes open when I launch the application What is added to the startup tab in msconfig If any services are added. That's pretty much all my ideas. Even if it does something I recognize I wouldn't know if it's necessary or not. What are some rule of thumb? -Edit- What about registries, can I use that information to help? Maybe have a scanner tell me if the application I just used has messed with sections (like bootup) it shouldn't have?

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