Server :: Debian Lenny - Enable Apache Core Dumps?
Jan 29, 2011
My Apache web server (respectively a child process) is crashing several times a day. I wanted to find the exact reason and activated the core dumps but even though the crashing-issues continue, the core dumps were never created. I have found several howto's which basically point to the same steps:
- set "ulimit -c unlimited"
- add "CoreDumpDirectory" directive into apache2.conf (Debian's httpd.conf)
Another info I've found is that /proc/sys/fs/suid_dumpable shouldn't be 0 - so on one howto it said to echo 2 into it, on another one to echo 1 to /proc/sys/fs/suid_dumpable - didn't work with neither of them.
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Apr 11, 2011
I have been tearing my hair out with this. As part of a backend perl script i am holding the Epoch time as session data using apache session and mysql so i can delete sessions after an expiry period. When I retrieve the time it is about three months old even when i only just set it. The code example below best describes the problem:
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Jun 14, 2011
Has anyone noticed ABRT not being able to connect to Bugzilla or the remote Core Dump analysis server? Since my upgrade during the beta phase of F15 I have been unable to file bug reports from ABRT's traces, nor has it offered me the option to file bugs to bugzilla. What it does, however, is offer me to analyse the Core Dump and backtrace of the crash using either the remote server or locally with GDB. Needless to say I'm clueless in GDB, and it requires a LOT of debug symbols found in the corresponding debug packages. But trying to use the remote analysis server always results in a message of the server being busy and to try again later. IIRC the last time I was able to file a bug through ABRT was in 13, has anyone been able to do so in 15?
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Jan 5, 2011
I just installed the lenny (amd64) on my new core i7 870 computer (with netinst), but the kernel failure message appeared everytime I booted into gnome. I don't know how to solve this problem. Sorry I don't have much experience with installing linux, though I have been its user for a few years.
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Jun 30, 2010
I'm using Debian Lenny, the only problem that I have is that the sound card isn't recognize by the system, I have installed ALSA 1.0.20 and I followed several tutorials trying to enable my sound card (ATI tech Azalia (Intel HDA)but all tries fail.
So, after install another distro in the same pc I figured out that the sound card is enable and running by default, the ALSA version is the same -1.0.20- but the kernel is different -2.6.31.xx- so my questions are:
1. do you recommend me to upgrade my lenny's kernel to fix the problem?
2. is there a way to upgrade specific packages -for example samba, alsa, kernel- using unstable or testing versions instead of upgrade the entire distro? actually I'm confortable with lenny
3. what configuration should I check in the "other" distro to use that parameters in lenny?
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Jan 18, 2010
i do have a strange problem get running php5 on lenny 64 inside apache2. i had installed it as all instructions on the web does: # apt-get install php5 libapache2-mod-php5 php5-cli php5-common php5-cgi
apt has enabled php automatically, so
/etc/apache2/mods-enabled/php5.conf does have inside:
<ifmodule mod_php5.c>
AddType application/x-httpd-php .php .phtml .php3
AddType application/x-httpd-php-source .phps
</ifmodule>
[Code]...
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Jun 30, 2010
I'm using Debian Lenny, the only problem that I have is that the sound card isn't recognize by the system, I have installed ALSA 1.0.20 and I followed several tutorials trying to enable my sound card (ATI tech Azalia (Intel HDA)but all tries fail.
So, after install another distro -debian based- in the same pc I figured out that the sound card is enable and running by default, the ALSA version is the same -1.0.20- but the kernel is different -2.6.31.xx- so my questions are:
1. do you recommend me to upgrade my lenny's kernel to fix the problem?
2. is there a way to upgrade specific packages -for example samba, alsa, kernel- using unstable or testing versions instead of upgrade the entire distro? actually I'm confortable with lenny
3. what configuration should I check in the "other" distro to use that parameters in lenny?
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Jan 20, 2010
On one PC i get automatic updates allmost every day and on the other PC i haven't gotten an auto-update since the install. apt-get update runs ok. I have seen from other posts here, that stable distros are supposed to get only security updates. Why, tho, does one PC get auto-updates, the other not? Is there some switch to enable auto-updates?
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Jul 10, 2010
I just installed apache2 on my VPS (running Debian 5 (lenny)). Problem is that when i start apache2 nothing happens.
Code:
ps ax |grep apache
and
Code:
ps ax |grep httpd
returns only the grep process itself, and
[Code]....
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Mar 8, 2010
i'm running httpd 2.2.3-31 on a full update centos 5.4 , i need to enable mod_charset_lite on apache, how can do that?
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May 27, 2010
redirect a domain name with /abc to external ip of web server. Now I can made sure that I should use the rewrite module to achieve this issues. But I don't know how can I enable this function in my apache web server. I will post my httpd.conf for your reference.
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Feb 22, 2010
I have a base install of a LAMP server on my system, and I'm trying to get mod_rewrite working on that local server (the directory of the local site is [URL]. I added this to my /etc/apache2/httpd.conf file, which was blank before I did so:
Code:
<Directory />
Options FollowSymLinks
AllowOverride All
Order deny,allow
[code]....
It's supposed to redirect everything except the listed directories to index.php, which is used as a front controller. However, if I type in [URL] <any other page> I get a 404 error.
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Sep 15, 2010
My server... its CentOS (redhat alike). I need to make the server disable apache server then run mysql command to optimize the databases then re-enable apache server in a specific time daily. Is it possible?
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Jan 25, 2011
I will be relocating to a permanent residence sometime in the next year or two. I've recently begun thinking about the best way to implement a home-based network. It occurred to me that the most elegant solution might be the use of VM technology to eliminate as much hardware and wiring as possible.My thinking is this: Install a multi-core system and configure it to run several VMs, one each for a firewall, a caching proxy server, a mail server, a web server. Additionally, I would like to run 2-4 VMs as remote (RDP)workstations, using diskless workstations to boot the VMs over powerline ethernet.The latest powerline technology (available later this year) will allow multiple devices on a residential circuit operating at near gigabit speed, just like legacy wired networks.
In theory, the above would allow me to consolidate everything but the disklessworkstations on a single server and eliminate all wired (and wireless) connections except the broadband connection to the Internet and the cabling to the nearest power outlets. It appears technically possible, but I'm not sure about the various virtual connections among VMs. In theory, each VM should be able to communicate with the other as if it was on the same network via the server data bus, but what about setting up firewall zones? Any internal I/O bandwidth bottlenecks? Any other potential "gotchas", caveats, issues? (Other than the obvious requirement of having enough CPU and RAM).Any thoughts or observations welcome, especially if they are from real world experience in a VM environment. BTW--in case you're wondering why I'm posting here, it's because I run Debian on all my workstations/servers (running VirtualBox as a VM for Windows XP on one workstation).
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Aug 9, 2009
I just made a printer with help of system-config-printer and make the printer default.I assigned some print jobs to the printer. But my station on server1 doesn't dump jobs on the server1 which can be checked by the link Code:http://server1/printers/stationx How to make this happen ??
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Feb 14, 2010
I have a dumb question but the google can't seem to answer it. When (if?) my host locks up (RHEL 5.4) I generally don't get anything in /var/crash . kdump is configured correctly and works (if tested using ` echo "c" > /proc/sysrq-trigger` as per Red Hat's KBase article) but in the real world, when the system locks up nothing ever ends up there.
So, on to the dump ( ) question - I have to crash it using Ctrl + SysRq in order to get anything out of this, right. If the box is comatose and doesn't respond at all to the point of being power cycled, it's all gone isn't it? Volatile memory being what it is and all; or is there some sort of magic / voodoo in place that makes it survive the reboot. And no, my Dell PowerEdge 1950 doesn't have battery backed RAM, so i'm quite sure that unless i can kill it through sysrq ...
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Jan 22, 2011
I installed debian-lenny,amd-64 on my core2duo e7400. it was installed successfully.i could see everything that is displayed till booting was over and when the login window was supposed to come,i got "no input detected" in monitor. but whn i rebooted,again the shutting down steps were displyed. What should i do ? should i have to install graphics driver ? but i'm not getting a display at all, then how can i ?
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May 8, 2011
I want to enable kernel crash dumps for my Debian 5.0.7 machine. The kernel version is 2.2.26 amd64.How can I configure this?
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Mar 16, 2010
I am running a NFS share on a Debian Lenny server with to network interface.
Sometimes when booting the server the following messages i shown in syslog:
Code:
If the system is rebooted then NFS is functional again. I would like to know way this happens somtimes so i can repair it, anyone with an idea? Another thing is that i would like to bind the NFS service to a specific interface e.g eth1 is this possible?
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Sep 7, 2011
I have now installed Wheezy on two different hard drives and in each case it seems only one CPU of my dual core CPU computer is recognized. System Monitor, Gkrellm and lscpu show just one when prior to the new install the old Wheezy showed both CPU's. I have put the hard drive into two other computers with dual core CPU's and all show just one CPU.
Interestingly System Profiler and Benchmark (hardinfo?) > Devices > Processors now show a large amount of processor infomation when with the old Wheezy I would only see both CPU's listed and nothing else.
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May 27, 2010
To get core dump from my program, I execute the following commands from the terminal:
ulimit -c unlimited
myprogram
After program crash, I see core file in the home directory. How can I make this mode persistent, to have code dump always?
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Jan 25, 2011
I am very new to Debian coming from CentOS.I am setting up a server for a customer.I can't SSH to it nor can I get to the port for the 3ware Disk Admin.I can PING the server and I can PING yahoo from the server.
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Jan 3, 2010
I'm attempting to set up a DNS server using Debian Lenny. I followed the instructions on this page:
[URL]
and it's not resolving domain names.
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Jan 10, 2010
I have been fighting with this for days. I upgraded from etch to lenny. I tried installing mysql-5.1. I have uninstalled, reinstalled, updated, upgraded, many, *many*, times. It just stubbornly refuses to work.
Quote:
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Feb 6, 2010
I installed for the sheer pleasure of it a webserver. includes apache2, postfix mail server, MySQL, MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, etc etc. (I have tried to use the config panels ispconfig and webmin)
The situation: There are 3 sites listed on the server, All 3 on different virtual hosts (obviously). The http access goes trough the 20080 port since my ISP blocks everything below 1024 (the bastards). I use a linksys router (192.168.1.1) with dmz pointing to 192.168.1.100 (server) The sites on the server:
inphone.be
fraksken.be
fraksken.is-a-geek.org (but appearently not geek enough)
I also gave them own IP's:
192.168.1.95
192.168.1.96
192.168.1.100
[Code]...
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Jan 13, 2010
rying to install glassfish enterprise server on an debian lenny x64 virtual machine.I encounter some issues like the binary can only be execute by a 32bits JDK, need an xserver for install, all this has been take care of.From Sun GlassFish Enterprise Server 2.1 Installation GuideQuote:f you are installing Sun GlassFish Enterprise Server on a 64?bit machine (running a 64?bit operating system), use a 32?bit JDK to install Sun GlassFish Enterprise Server on your 64?bit machine. You will need to command:./distribution_filename ?javahome path to 32?bit JDK locationLatest 32bits JDK from SUN
Code:
glassadmin:/home/glassfish# java -version
java version "1.6.0_17"
[code]...
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Dec 14, 2009
i was trying to use gnome and kde but i don't like them. I tried xfce and it seem to fit my needs but.My computer is used to be powered on for a weeks. While time passes, a process xfdesktop begin to use more and more memory and to free RAM i need to log out and log in again.
I tried squeeze yesterday on my virtual machine and it has 4.6 and seem not to have that bug, RAM usage is static(yes it still works when i write this and have memory usage 34492k, which is not changing for an hours of usage already), also 4.6 is MUCH better than 4.4.
i already tried adding squeeze to "sources.list" but i can see too many dependencies which should be upgraded if i install 4.6, i'm beginning to afraid it can crash entire GUI(or entire system, i can see there is libc6 required to be updated).
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Sep 9, 2010
I'm setting up a VPN with openVPN on a debian lenny server. I successfully installed it in the server, then created the certificates and both client (winXP) and server config files. For the client I use openVPN gui. I tested the tunnel and everything went just fine. I even can ping the openVPN server from the XP client.But thats all. I can't ping any machine behind the openvpn server.Some facts that you may find useful to help me with this issue are:
- The openVPN server is not the default gateway of the LAN. The dg is a pfsense server
- I dont have iptables enabled (policy of all chains are ACCEPT).
- I have configured ip forwarding (echo "1" >/proc/sys/net/ipv4/ip_forward)
[code]....
I have checked and all seems to be OK. I think that the problem is connected with routing the traffic from the vpn to my LAN but I don't know how to do that (besides the push route line in the server.conf).
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Mar 10, 2010
I have installed Debian lenny with software RAID0 (i think it makes no sence to my problem but maybe...) I have installed apache2+php+MySQL (everything worked) I have installed proftpd (to enable users to put files over FTP) after this i tried to connect over SSH to my server i have got:
Code:
$ ssh -l shark 192.168.0.254 -v
OpenSSH_5.1p1 Debian-5, OpenSSL 0.9.8g 19 Oct 2007
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
[code].....
I thought it is problem with SSH i have tried to connect with another machine over putty, but no success... then i have removed ~/.ssh dir and tried to connect again... i got the same error. Then i connected keybord and monitor to my Linux box, tried to connect there... no success... neither root or my regular user shark. but i should mention my FTP users who have shell: /bin/ftp (symlink to /bin/false) log into the system and then automatically disconnect...
i have tried to boot my linux box to debian safe mode... it asked for a root pass. after i provided correct root pass it didn't fit. I remember once i have made my linux boot to init 1 without asking to provide a pass (it was mandriva Free 2005 or 2006.0) how to do it with a debian machine using grub or any other fixing possibilities?
P.S. i can not how provide server side /var/log/syslog or any other info because i cannot log into my Linux "server"
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Sep 14, 2010
I have installed CUPS on my Debian 5 Lenny server. I do not have a GUI installed, only SSH to command line.
I cannot get CUPS to let me browse to the html interface from another machine. I believe that CUPS is running only on localhost because when I run
Code:
I get
Code:
When I browse (or telnet) to port 631 from another machine it refuses the connection, if I telnet from my Debian server to port 631 it connects.
My cups.conf is
Code:
I'm not sure how to make it allow me to browse from another machine that does have a GUI so I can configure a printer.
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