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  • Can MS Services for Unix be deployed and accessed from a shared drive?

    - by Ian C.
    I'm interested in experimenting with replacing our dependency on MKS with MS' Sevices for Unix toolset. I was wondering if anyone has any experience with deploying SFU on a shared drive? We like to, wherever possible, host our dev tools on one central NAS and call to the NAS to access the tools instead of rolling stuff out to each and every desktop. I'm not interested in the NFS support or ActiveState Perl. Really, none of the daemon technology is required here. I'm looking for replacements for the coreutils/binutils stuff you find in Linux (and MKS on Windows): sed, awk, csh, bash, grep, ls, find -- the meat-and-potates command line apps that our build and test scripts are built around. If I limit the install to just the Interix GNU Components (and maybe the Remote Connectivity components) will is run nicely from a shared location? To head off some questions: Yes, I've looked at Cygwin. Unfortunately it's performance in our build and test environment is poor. It runs considerably slower than MKS and it's not a direct drop-in replacement for MKS (thanks to its internal pathing and limitations with commands like 'ps'), so it's a tougher sell. Yes, I'm looking at the MinGW offering in parallel to this.

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  • CentOS centralised logging, syslogd, rsyslog, syslog-ng, logstash sender?

    - by benbradley
    I'm trying to figure out the best way to setup a central place to store and interrogate server logs. syslog, Apache, MySQL etc. I've found a few different options but I'm not sure what would be best. I'm looking for something that is easy to install and keep updated on many virtual machines. I can add it to a VM template going forward but I'd also like it to be easy to install to keep the VM complexity down. The options I've found so far are: syslogd syslog-ng rsyslog syslogd/syslog-ng/rsyslog to logstash/ElasticSearch logstash agent in each log "client" to send to Redis/logstash/ElasticSearch And all sorts of permutations of the above. What's the most resilient and light from the log "client" perspective? I'd like to avoid the situation where log "clients" hang because they are unable to send their logs to the logging server. Also I would still like to keep local logging and the rotation/retention provided by logrotate in place. Any ideas/suggestions or reasons for or against any of the above? Or suggestions of a different structure entirely? Cheers, B

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  • Domain Controller DNS Best Practice/Practical Considerations for Domain Controllers in Child Domains

    - by joeqwerty
    I'm setting up several child domains in an existing Active Directory forest and I'm looking for some conventional wisdom/best practice guidance for configuring both DNS client settings on the child domain controllers and for the DNS zone replication scope. Assuming a single domain controller in each domain and assuming that each DC is also the DNS server for the domain (for simplicity's sake) should the child domain controller point to itself for DNS only or should it point to some combination (primary VS. secondary) of itself and the DNS server in the parent or root domain? If a parentchildgrandchild domain hierarchy exists (with a contiguous DNS namespace) how should DNS be configured on the grandchild DC? Regarding the DNS zone replication scope, if storing each domain's DNS zone on all DNS servers in the domain then I'm assuming a DNS delegation from the parent to the child needs to exist and that a forwarder from the child to the parent needs to exist. With a parentchildgrandchild domain hierarchy then does each child forward to the direct parent for the direct parent's zone or to the root zone? Does the delegation occur at the direct parent zone or from the root zone? If storing all DNS zones on all DNS servers in the forest does it make the above questions regarding the replication scope moot? Does the replication scope have some bearing on the DNS client settings on each DC?

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  • How can you connect to a SQL Server not on your domain?

    - by scotty2012
    I have a test machine that's not allowed on our domain because we are testing corporately unsupported applications (SQL 2008 and Server 2008). I want to use management studio to connect to the SQL2008 server but can't get it working. I have authentication set to mixed-mode, I've checked 'allow remote connections to this server', but when I try to access it, I get the error A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53) Since it says the provider is Named Pipes, I enabled Named Pipes on the server, but still no dice. I've tried connecting to the system name, the IP, the system name\instance and IP\instance, all to no avail. Is what I'm trying to do not possible? Edit: Well, through some basic troubleshooting, I've found that I can't ping the server from my client computer, but I can ping the client computer from the server? They are both plugged into the same switch, and are sitting next to each other. The windows firewall on the server is turned on, is there some specific settings I need to enable? DAH! So it was the firewall blocking me. How can I enable the firewall and still connect?

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  • HAProxy is caching the forwarding?

    - by shadow_of__soul
    i'm trying to set up a server structure for an application i'm building in Node.js with socket.io. My setup is: HAProxy frontend forward to -> apache2 as default backend (or nginx, is apache in this local test) -> node.js app if the url has socket.io in the request AND a domain name i have something like: global log 127.0.0.1 local0 log 127.0.0.1 local1 notice maxconn 4096 user haproxy group haproxy daemon defaults log global mode http maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 frontend all 0.0.0.0:80 timeout client 5000 default_backend www_backend acl is_soio url_dom(host) -i socket.io #if the request contains socket.io acl is_chat hdr_dom(host) -i chaturl #if the request comes from chaturl.com use_backend chat_backend if is_chat is_soio backend www_backend balance roundrobin option forwardfor # This sets X-Forwarded-For timeout server 5000 timeout connect 4000 server server1 localhost:6060 weight 1 maxconn 1024 check #forwards to apache2 backend chat_backend balance roundrobin option forwardfor # This sets X-Forwarded-For timeout queue 50000 timeout server 50000 timeout connect 50000 server server1 localhost:5558 weight 1 maxconn 1024 check #forward to node.js app The problem comes when i made a request to something like www.chaturl.com/index.html it load perfectly but fails to loads the socket.io files (www.chaturl.com/socket.io/socket.io.js) why it redirect to apache (and should redirect to the node.js app that serve the files). The weird thing is that if i access directly to the socket.io file, after refreshing a few times, it loads, so i suppose is "caching" the forwarding for the client when it makes the first request and reach the apache server. Any suggestion of how this can be solved? or what i can try or look about this?

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  • FTP not listing directory NcFTP PASV

    - by Jacob Talbot
    I am attempting to setup Multicraft on my server, all is running smoothly however the FTP won't allow anyone to connect from a remote FTP client, where net2ftp will work smoothly from a remote location. I have included the transcript from my FTP client, Transmit below to give you an idea of what's going on. I have disabled iptables as well, and still no luck either way. Transmit 4.1.7 (x86_64) Session Transcript [Version 10.8.2 (Build 12C54)] (21/10/12 11:23 PM) LibNcFTP 3.2.3 (July 23, 2009) compiled for UNIX 220: Multicraft 1.7.1 FTP server Connected to ateam.bn-mc.net. Cmd: USER jacob.9 331: Username ok, send password. Cmd: PASS xxxxxxxx 230: Login successful Cmd: TYPE A 200: Type set to: ASCII. Logged in to ateam.bn-mc.net as jacob.9. Cmd: SYST 215: UNIX Type: L8 Cmd: FEAT 211: Features supported: EPRT EPSV MDTM MLSD MLST type*;perm*;size*;modify*;unique*;unix.mode;unix.uid;unix.gid; REST STREAM SIZE TVFS UTF8 End FEAT. Cmd: OPTS UTF8 ON 200: OK Cmd: PWD 257: "/" is the current directory. Cmd: PASV Could not read reply from control connection -- timed out. (SReadline 1)

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  • Tips and Suggestions IP Address Re-Addressing?

    - by RSXAdmin
    Hello serverfault Universe, My ever evolving and expanding local area network is currently using a class-C address. My network consists of multiple subnets depending on site/location. 192.168.1.x is site HQ 192.168.5.x is secondary site 192.168.10.x is so on and so forth. Long story short - I have inherited this network design from the previous admin who has left the company which started off with a dozen people and now has just over 300 full time/part time employees. We do not yet have client VPN access; but we do have site to site VPN setup. My question is, in preparation for outside client access to my network via Cisco ASA, I would like to re-address the HQ site because I understand a 192.168.1.x or 192.168.0.x are not very good choices for a company subnet - it may conflict with a home user's LAN when connecting to my LAN, I believe? Through your experience, does anyone out there have any suggestions and tips on how I can proceed with re-addressing my subnets. If I designed this network I would have gone with a 10.0.0.0 (mask 255.255.255.0) so I am leaning towards changing it to fit. Thank you.

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  • Use Apache authentication to Segregate access to Subversion subdirectories

    - by Stefan Lasiewski
    I've inherited a Subversion repository, running on FreeBSD and using Apache2.2 . Currently, we have one project, which looks like this. We use both local files and LDAP for authentication. <Location /> DAV svn SVNParentPath /var/svn AuthName "Staff only" AuthType Basic # Authentication through Local file (mod_authn_file), then LDAP (mod_authnz_ldap) AuthBasicProvider file ldap # Allow some automated programs to check content into the repo # mod_authn_file AuthUserFile /usr/local/etc/apache22/htpasswd Require user robotA robotB # Allow any staff to access the repo # mod_authnz_ldap Require ldap-group cn=staff,ou=PosixGroup,ou=foo,ou=Host,o=ldapsvc,dc=example,dc=com </Location> We would like to allow customers to access to certain subdirectories, without giving them global access to the entire repository. We would prefer to do this without migrating these sub-directories to their own repositories. Staff also need access to these subdirectories. Here's what I tried: <Location /www.customerA.com> DAV svn SVNParentPath /var/svn # mod_authn_file AuthType Basic AuthBasicProvider file AuthUserFile /usr/local/etc/apache22/htpasswd-customerA Require user customerA </Location> <Location /www.customerB.com> DAV svn SVNParentPath /var/svn # mod_authn_file AuthType Basic AuthBasicProvider file AuthUserFile /usr/local/etc/apache22/htpasswd-customerB Require user customerB </Location> I've tried the above. Access to '/' works for staff. However, access to /www.customerA.com and /www.customerB.com does not work. It looks like Apache is trying to authenticate the 'customerB' against LDAP, and doesn't try local password file. The error is: [Mon May 03 15:27:45 2010] [warn] [client 192.168.8.13] [1595] auth_ldap authenticate: user stefantest authentication failed; URI /www.customerB.com [User not found][No such object] [Mon May 03 15:27:45 2010] [error] [client 192.168.8.13] user stefantest not found: /www.customerB.com What am I missing?

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  • Free tiered storage automation in linux?

    - by NginUS
    I have a couple virtualized fileservers running in QEMU/KVM on ProxmoxVE. The physical host has 4 storage tiers with significant performance variances. They're attached both locally and via NFS. These will be provided to the fileserver(s) as local disks, abstracted into pools, and handling multiple streams of data for the network. My aim is for this abstraction layer to intelligently pool the tiers. There's a similar post on the site here: Home-brew automatic tiered storage solutions with Linux? (Memory - SSD - HDD - remote storage) in which the accepted answer was a suggestion to abandon a linux solution for NexentaStor. I like the idea of running NexentaStor. It almost fits the bill. NexentaStor provides Hybrid Storage Pools, and I love the idea of checksumming. 16TB without incurring licensing fees is a huge plus as well. After the expense of the hardware, free is about all my budget can handle. I don't know if zfs pools are adaptive or dynamically allocated based on load, but it becomes irrelevant since NexentaStor doesn't support virtio network or block drivers, which is a must in my environment. Then I saw a commercial solution called SmartMove: http://www.enigmadata.com/smartmove.html And it looks like a step in the right direction, but I'm so broke I'd be wasting their time to even ask for a quote, so I'm looking for another option. I'm after a linux implementation that supports virtio drivers, and I'm at a loss as to which software is up to it.

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  • Apache showing 500 error during Active Directory LDAP authentication

    - by Tyllyn
    I have Apache (on Windows Server) set up to authenticate one directory through Active Directory. Config settings are as follows: <LocationMatch "/trac/[^/]+/login"> Order deny,allow Allow from all AuthBasicProvider ldap AuthzLDAPAuthoritative Off AuthLDAPURL ldap://<ip-redacted>:3268/cn=Users,OU=MyBusiness,DC=<dc-redacted>,DC=local?sAMAccountName?sub?(objectClass=*) AuthLDAPBindDN trac@<dc-redacted>.local AuthLDAPBindPassword "<password-redacted>" AuthType Basic AuthName "Protected" require valid-user </LocationMatch> Watching, Wireshark, I see the following get sent through when I visit the page: To the AD server: bindRequest(1) "trac@<dc-redacted>.local" simple And from the AD server: bindResponse(1) success I'm assuming this means that the auth was successful... but Apache doesn't think so. It returns a 500 server to me. Apache logs show the following: [Thu Nov 18 16:21:12 2010] [debug] mod_authnz_ldap.c(379): [client 192.168.x.x] [7352] auth_ldap authenticate: using URL ldap://<ip-redacted>:3268/cn=Users,OU=MyBusiness,DC=<dc-redacted>,DC=local?sAMAccountName?sub?(objectClass=*), referer: http://192.168.x.x/trac/Trac/login [Thu Nov 18 16:21:12 2010] [info] [client 192.168.x.x] [7352] auth_ldap authenticate: user authentication failed; URI /trac/Trac/login [ldap_search_ext_s() for user failed][Filter Error], referer: http://192.168.x.x/trac/Trac/login Now, that log file shows a failed auth for a blank user. I am confused. Any idea what I am doing wrong... and how I can get the Apache authentication working? :) Thanks!

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  • Windows 7, network shares, and authentication via local group instead of local user

    - by Donovan
    I have been doing some troubleshooting of my home network lately and have come to an odd conclusion that I was hoping to get some clarification on. I'm used to managing share permissions in a domain environment via groups instead of individual user accounts. I have a box at home running windows 7 ultimate and I decided to share some directories on that machine. I set it up to disallow guest access and require specifically granted permissions. (password moe?). Anyway, after a whole bunch of time i figured out that even though the shares I created were allowed via a local group i could not access them until i gave specific allowance to the intended user. I just didn't think i would have to do that. So here is the breakdown. Network is windows workgroup, not homegroup or nt domain PC_1 - win 7 ultimate - sharing in classic mode - user BOB - groups Admins PC_2 - win 7 starter - client - user BOB - groups admins PC_3 - win xp pro - client - user BOB - groups admins the share on PC_1 granted permission to only the local group administrators. local user BOB on PC_1 was a member of administrators. Both PC_2 and PC_3 could not browse the intended share on PC_1 because they were denied access. Also, no challenge was presented. They were simply denied. After adding BOB specifically to the intended share everything works just fine. Remember, its not an nt domain just a workgroup. But still, shouldn't i be able to manage share permissions via groups instead of individual user accounts? D.

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  • Not able to run firefox in a head-less Ubuntu server 9.10

    - by Julio J.
    I need to run Firefox in my server in order to execute some Selenium tests from Hudson. I would love no to have to install a complete gui. So I installed Xvfb in order to fake the Gui (I understand it this way correct me if my assumptions are wrong). After some time trying to make it work, I'm stuck with the next situation: $ sudo Xvfb -ac :99 & [dix] Could not init font path element /var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType, removing from list! (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) $ firefox [dix] Could not init font path element /var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType, removing from list! [config/dbus] couldn't register object path (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) (EE) config/hal: NewInputDeviceRequest failed (2) Xlib: extension "RANDR" missing on display ":99.0". GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details - 1: Failed to get connection to session: /bin/dbus-launch terminated abnormally without any error message) I'm runnig firefox without installing it from the repositories. And I'm getting a socket timeout when I try to run the selenium tests, so I guess the problem is in Firefox and Xvfb. I have installed already the nex package: i gconf-defaults-service - GNOME configuration database system (system defaults service) That in some forums suggest to be a fix, that in my case doesn't work. Any explanation about the problem and ways of solving it without installing a full gui, will be very helpful.

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  • Configured Samba to join our domain, but logon fails from Windows machine

    - by jasonh
    I've configured a Fedora 11 installation to join our domain. It seems to join successfully (though it reports a DNS update failure) but when I try to access \\fedoraserver.test.mycompany.com I'm prompted for a password. So I enter adminuser and the password and that fails, so I try test.mycompany.com\adminuser and that too fails. What am I missing? EDIT (Update 9/1/09): I can now connect to the machine and see the shares on it (see my response to djhowell's answer) but when I try to connect, I get an error saying The network path was not found. I checked the log entry on the Fedora computer for the computer I'm connecting from (/var/log/samba/log.ComputerX) and it reads: [2009/09/01 12:02:46, 1] libads/cldap.c:recv_cldap_netlogon(157) no reply received to cldap netlogon [2009/09/01 12:02:46, 1] libads/ldap.c:ads_find_dc(417) ads_find_dc: failed to find a valid DC on our site (Default-First-Site-Name), trying to find another DC Config files as of 9/1/09: smb.conf: [global] Workgroup = TEST realm = TEST.MYCOMPANY.COM password server = DC.TEST.MYCOMPANY.COM security = DOMAIN server string = Test Samba Server log file = /var/log/samba/log.%m max log size = 50 idmap uid = 15000-20000 idmap gid = 15000-20000 windbind use default domain = yes cups options = raw client use spnego = no server signing = auto client signing = auto [share] comment = Test Share path = /mnt/storage1 valid users = adminuser admin users = adminuser read list = adminuser write list = adminuser read only = No I also set the krb5.conf file to look like this: [logging] default = FILE:/var/log/krb5libs.log kdc = FILE:/var/log/krb5kdc.log admin_server = FILE:/var/log/kadmind.log [libdefaults] default_realm = test.mycompany.com dns_lookup_realm = false dns_lookup_kdc = false ticket_lifetime = 24h forwardable = yes [realms] TEST.MYCOMPANY.COM = { kdc = dc.test.mycompany.com admin_server = dc.test.mycompany.com default_domain = test.mycompany.com } [domain_realm] dc.test.mycompany.com = test.mycompany.com .dc.test.mycompany.com = test.mycompany.com [appdefaults] pam = { debug = false ticket_lifetime = 36000 renew_lifetime = 36000 forwardable = true krb4_convert = false } I realize that there might be an issue with EXAMPLE.COM in there, however if I change it to TEST.MYCOMPANY.COM then it fails to join the domain with a preauthentication failure. As of 9/1/09, this is no longer the case.

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  • Apache 2.2 + mod_fcgid + PHP 5.4: (104) Connection reset by peer

    - by Michele Piccirillo
    On a Debian 6 VPS, I'm running PHP 5.4 via mod_fcgid on a couple of different virtual hosts, managed by Virtualmin GPL. At random, I get 500 Internal Server Errors; restarting Apache brings everything back to normality. Examining the logs, I find messages of this kind: [Thu Oct 04 15:39:35 2012] [warn] [client 173.252.100.117] (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server [Thu Oct 04 15:39:35 2012] [error] [client 173.252.100.117] Premature end of script headers: index.php Any ideas about what is happening? UPDATE: I found a similar question and the author reported to have solved the problem disabling APC. I tried following the advice, but I'm still getting the same errors. VirtualHost configuration SuexecUserGroup "#1000" "#1000" ServerName example.com DocumentRoot /home/example/public_html ScriptAlias /cgi-bin/ /home/example/cgi-bin/ DirectoryIndex index.html index.htm index.php index.php4 index.php5 <Directory /home/example/public_html> Options -Indexes +IncludesNOEXEC +FollowSymLinks +ExecCGI allow from all AllowOverride All AddHandler fcgid-script .php AddHandler fcgid-script .php5 FCGIWrapper /home/example/fcgi-bin/php5.fcgi .php FCGIWrapper /home/example/fcgi-bin/php5.fcgi .php5 </Directory> <Directory /home/example/cgi-bin> allow from all </Directory> RemoveHandler .php RemoveHandler .php5 IPCCommTimeout 61 FcgidMaxRequestLen 1073741824 php5.fcgi #!/bin/bash PHPRC=$PWD/../etc/php5 export PHPRC umask 022 export PHP_FCGI_CHILDREN PHP_FCGI_MAX_REQUESTS=99999 export PHP_FCGI_MAX_REQUESTS SCRIPT_FILENAME=$PATH_TRANSLATED export SCRIPT_FILENAME exec /usr/bin/php5-cgi Package versions webmin-virtual-server/virtualmin-universal 3.94.gpl-2 apache2/squeeze 2.2.16-6+squeeze8 libapache2-mod-fcgid/squeeze 1:2.3.6-1+squeeze1 php5 5.4.7-1~dotdeb.0 php5-apc 5.4.7-1~dotdeb.0

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  • SSH works in putty but not terminal

    - by Ryan Naddy
    When I try to ssh this in a terminal: ssh [email protected] I get the following error: Connection closed by 69.163.227.82 When I use putty, I am able to connect to the server. Why is this happening, and how can I get this to work in a terminal? ssh -v [email protected] OpenSSH_6.0p1 (CentrifyDC build 5.1.0-472) (CentrifyDC build 5.1.0-472), OpenSSL 0.9.8w 23 Apr 2012 debug1: Reading configuration data /etc/centrifydc/ssh/ssh_config debug1: /etc/centrifydc/ssh/ssh_config line 52: Applying options for * debug1: Connecting to sub.domain.com [69.163.227.82] port 22. debug1: Connection established. debug1: identity file /home/ryannaddy/.ssh/id_rsa type -1 debug1: identity file /home/ryannaddy/.ssh/id_rsa-cert type -1 debug1: identity file /home/ryannaddy/.ssh/id_dsa type -1 debug1: identity file /home/ryannaddy/.ssh/id_dsa-cert type -1 debug1: identity file /home/ryannaddy/.ssh/id_ecdsa type -1 debug1: identity file /home/ryannaddy/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH_5* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.0 debug1: Miscellaneous failure Cannot resolve network address for KDC in requested realm debug1: Miscellaneous failure Cannot resolve network address for KDC in requested realm debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP Connection closed by 69.163.227.82

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  • Ubuntu upgrade process failed

    - by Spin0us
    I tried to dist-upgrade my ubuntu server on my percona cluster but it failed with this message The following packages have unmet dependencies: libmysqlclient18 : Depends: libmariadbclient18 (= 5.5.33a+maria-1~precise) but it is not installable And here is the package listing # dpkg --list | grep -E 'percona|mysql' ii libdbd-mysql-perl 4.020-1build2 Perl5 database interface to the MySQL database iU libmysqlclient18 5.5.33a+maria-1~precise Virtual package to satisfy external depends ii mariadb-common 5.5.33a+maria-1~precise MariaDB database common files (e.g. /etc/mysql/conf.d/mariadb.cnf) ii percona-xtrabackup 2.1.5-680-1.precise Open source backup tool for InnoDB and XtraDB ii percona-xtradb-cluster-client-5.5 5.5.31-23.7.5-438.precise Percona Server database client binaries ii percona-xtradb-cluster-common-5.5 5.5.33-23.7.6-496.precise Percona Server database common files (e.g. /etc/mysql/my.cnf) ii percona-xtradb-cluster-galera-2.x 157.precise Galera components of Percona XtraDB Cluster ii percona-xtradb-cluster-server-5.5 5.5.31-23.7.5-438.precise Percona Server database server binaries ii php5-mysql 5.3.10-1ubuntu3.8 MySQL module for php5 During the install of the server, mariadb and galera cluster have first been installed. Then removed to be replaced by percona XtraDBCluster. So i think this is the source of the problem. But how can i resolve this without reinstalling all ? UPDATE 1 # apt-cache policy libmariadbclient18 libmariadbclient18: Installed: (none) Candidate: (none) Version table: 5.5.32+maria-1~precise 0 100 /var/lib/dpkg/status

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  • Central Authentication For Windows, Linux, Network Devices

    - by mojah
    I'm trying to find a way to centralize user management & authentication for a large collection of Windows & Linux Servers, including network devices (Cisco, HP, Juniper). Options include RADIUS/LDAP/TACACS/... Idea is to keep track with staff changes, and access towards these devices. Preferably a system that is compatible with both Linux, Windows & those network devices. Seems like Windows is the most stubborn of them all, for Linux & Network equipment it's easier to implement a solution (using PAM.D for instance). Should we look for an Active Directory/Domain Controller solution for Windows? Fun sidenote; we also manage client systems, that are often already in a domain. Trust-relationships between Domain Controllers isn't always an option for us (due to client security restrictions). I'd love to hear fresh ideas on how to implement such a centralized authentication "portal" for those systems.

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  • Grant HTTP access based on unix user group

    - by Sander Marechal
    Is it possible to grant network access or HTTP access based on a user's group? At my company we want to set up an internal composer server using Satis to manage packages for the projects we write (e.g. on repository.mycompany.com), with the packages themselves in our SVN server (svn.mycompany.com). We have several webservers with many different users on them. Some users should be able to reach the composer and SVN server. Some should not. Users that should be able to reach these servers all belong to the same group. How can I set up Apache on the Composer and SVN server to only grant access to those users in that group? Alternatively, can I set up the webservers in such a way that only users from that group are able to make a connection to our Composer and SVN servers? The best thing we have come up with so far is using SSL client certificates. We simply place a client certificate on all servers which can be used to access Composer and SVN. Only the right usergroup will have read access to the certificate. A bit clunky but it may work. But I'm looking for something better.

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  • Conditionally Rewrite Email Headers (From & Reply-To) Exchange 2010

    - by NorthVandea
    I have a client who maintains Company A (with email addresses %username%@companyA.com) and they own the domain companyB.com however there is no "infrastructure" (no Exchange server) set up specifically for companyB.com. My client needs to be able to have the end users within it's company (companyA.com) add a specific word or phrase to the Subject (or Body) line of the Outgoing email (they are only concerned with outgoing, incoming is a non-issue in this case) that triggers the Exchange 2010 servers to rewrite the header From and Reply-To [email protected] with [email protected] but this re-write should ONLY occur if the user places the key word/phrase in the Subject (or Body). I have attempted using Transport Rules and the New-AddressRewriteEntry cmdlet however each seems to have a limitation. From what I can tell Transport Rules cannot re-write the From/Reply-To fields and New-AddressRewriteEntry cannot be conditionally triggered based on message content. So to recap: User sends email outside the organization: From and Reply-To remain [email protected] User sends email outside the organization WITH "KeyWord" in the Subject or Body: From and Reply-To change to [email protected] automatically. Anyone know how this could be done WITHOUT coding a new Mail Agent? I don't have the programming knowledge to code a custom Agent... I can use any function of Exchange Management Shell or Console. Alternatively if anyone knows of a simple add-on program that could do this that would be good too. Any help would be greatly appreciated! Thank you!!!

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  • Traffic shaping on Linux with HTB: weird results

    - by DADGAD
    I'm trying to have some simple bandwidth throttling set up on a Linux server and I'm running into what seems to be very weird stuff despite a seemingly trivial config. I want to shape traffic coming to a specific client IP (10.41.240.240) to a hard maximum of 75Kbit/s. Here's how I set up the shaping: # tc qdisc add dev eth1 root handle 1: htb default 1 r2q 1 # tc class add dev eth1 parent 1: classid 1:1 htb rate 75Kbit # tc class add dev eth1 parent 1:1 classid 1:10 htb rate 75kbit # tc filter add dev eth1 parent 1:0 protocol ip prio 1 u32 match ip dst 10.41.240.240 flowid 1:10 To test, I start a file download over HTTP from the said client machine and measure the resulting speed by looking at Kb/s in Firefox. Now, the behaviour is rather puzzling: the DL starts at about 10Kbyte/s and proceeds to pick up speed until it stabilizes at about 75Kbytes/s (Kilobytes, not Kilobits as configured!). Then, If I start several parallel downloads of that very same file, each download stabilizes at about 45Kbytes/s; the combined speed of those downloads thus greatly exceeds the configured maximum. Here's what I get when probing tc for debug info [root@kup-gw-02 /]# tc -s qdisc show dev eth1 qdisc htb 1: r2q 1 default 1 direct_packets_stat 1 Sent 17475717 bytes 1334 pkt (dropped 0, overlimits 2782 requeues 0) rate 0bit 0pps backlog 0b 12p requeues 0 [root@kup-gw-02 /]# tc -s class show dev eth1 class htb 1:1 root rate 75000bit ceil 75000bit burst 1608b cburst 1608b Sent 14369397 bytes 1124 pkt (dropped 0, overlimits 0 requeues 0) rate 577896bit 5pps backlog 0b 0p requeues 0 lended: 1 borrowed: 0 giants: 1938 tokens: -205561 ctokens: -205561 class htb 1:10 parent 1:1 prio 0 **rate 75000bit ceil 75000bit** burst 1608b cburst 1608b Sent 14529077 bytes 1134 pkt (dropped 0, overlimits 0 requeues 0) **rate 589888bit** 5pps backlog 0b 11p requeues 0 lended: 1123 borrowed: 0 giants: 1938 tokens: -205561 ctokens: -205561 What I can't for the life of me understand is this: how come I get a "rate 589888bit 5pps" with a config of "rate 75000bit ceil 75000bit"? Why does the effective rate get so much higher than the configured rate? What am I doing wrong? Why is it behaving the way it is? Please help, I'm stumped. Thanks guys.

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  • Error setting up Data Protection Manager 2010 Agents / Network "Unauthenticated" in network settings

    - by Bowsa
    I'm not sure if the two are connected but i suspect they are. Basically I'm tring to setup Data Protection Manager 2010 on a fresh install of Server 2008 R2 in a SBS 2003 domain. Everything went fine until trying to install agents across the network. Upon clicking add, i get the following error message: Unable to connect to the Active Directory Domain Services Database. Make sure that the DPM server is a member of a domain and that the controller is running. Also verify that there is network connectivity between the DPM server and the domain controller. ID: 7 As usual (worryingly) the MSDN support for 2010 products is nearly non existant, clicking the error ID simply gives a page not found error. So after 2 days of Googling and trying various fixes (DNS settings, adding permissions to AD objects, rejoining the domain and many more) I thought I'd ask here in the hope that someone out there may have had this issue before. Any help greatly appreciated! Some further info: Firewalls are disabled on the Server 2008, SBS, and client machines. Manually installing and adding the client in also fails, as the DPM server tries to contact the DC first. Edit: I tried creating a new protection group instead, and it gives a different error upon adding the machines: Following machines are not found in AD: COMPUTERNAME.COMPANYNAME.LOCAL Is there a certain directory structure it follows in AD?

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  • Nginx + PHP-FPM Timeouts, almost zero load consumption?

    - by javipas
    I've got a server running on a Linode with Ubuntu 10.04 LTS, Nginx 0.7.65, MySQL 5.1.41 and PHP 5.3.2 with PHP-FPM. There is a WordPress blog on it, updated to WordPress 3.2.1 recently. I have made no changes to the server (except updating WordPress) and while it was running fine, a couple of days ago I started having downtimes. I tried to solve the problem, and checking the error_log I saw many timeouts and messages that seemed to be related to timeouts. The server is currently logging this kind of errors: 2011/07/14 10:37:35 [warn] 2539#0: *104 an upstream response is buffered to a temporary file /var/lib/nginx/fastcgi/2/00/0000000002 while reading upstream, client: 217.12.16.51, server: www.mydomain.com, request: "GET /page/2/ HTTP/1.0", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.mydomain.com/" 2011/07/14 10:40:24 [error] 2539#0: *231 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 46.24.245.181, server: www.mydomain.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.google.es/search?sourceid=chrome&ie=UTF-8&q=mydomain" and even saw this previous serverfault discussion with a possible solution: to edit /etc/php/etc/php-fpm.conf and change request_terminate_timeout=30s instead of ;request_terminate_timeout= 0 The server worked for some hours, and then broke again. I edited the file again to leave it as it was, and restarted again php-fpm (service php-fpm restart) but no luck: the server worked for a few minutes and back to the problem over and over. The strange thing is, although the services are running, htop shows there is no CPU load (see image) and I really don't know how to solve the problem. The config files are on pastebin The php-fpm.conf file is here The /etc/nginx/nginx.conf is here The /etc/nginx/sites-available/www.mydomain.com is here Please help :(

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  • Vagrant doesn't detect chef-solo unless re-installed

    - by nightowl
    I am using Vagrant to test my Chef recipes in Amazon AWS, and I am encountering an irritating issue: I initially assumed that Vagrant would install chef itself (as it does when using Virtual Box as the provider) but it seems that this needs to be done using the cloud-init script. However, even after I successfully installed the chef gem via cloud-init I was still getting the following error: The chef binary (eitherchef-soloorchef-client) was not found A quick google of this error suggested three probable causes: Chef had failed to install It had installed, but the directory was not in the $PATH environment variable It had installed and in the $PATH but with incorrect permissions I logged in and double checked; chef-solo and chef-client were installed; The path variable for the user, sudo and root all included /usr/local/bin and permissions were all fine. I managed to solve this problem by uninstalling and reinstalling the gem using sudo gem install chef. I don't understand why this should resolve the issue and it is a bit of a problem if I have to ssh into a test box and manually install the gem every time. Does anyone have any suggestions why this might be happening?

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  • Managing disk in a VM

    - by dst
    I'm replacing my two old rack servers with a new one that has plenty of power to take over the functionality my current servers. The server is a 4U rack mount with 16 3.5" SAS drive bays, two 2.5" bays, a Xeon E3-1230v2 CPU and 32GB of ECC RAM. My issue is the following. I would like to have a FreeBSD file server with ZFS managing disks. However, I need other VMs for e.g. a shell/git server, mail server etc. I'm wondering how to deal with the following issues: I want ZFS to fully manage the disks, so I'm not using any hardware RAID. Should I pass the SAS controller directly to the FreeBSD system as passthrough PCI? I want to maximize the reliability of the setup. On what disks should I install the hypervsor and keep server system disks? For (2) I have the option of having a RAID setup on the SAS controller and using that as system disk to store the hypervisor as well as VM images. However, this makes PCI passthrough to the file server impossible. Another option is using the two 2.5" bays. In terms of reliability how are SSDs compared to e.g. WD RE4 disks? Would it make sense to have two SSDs in software RAID as boot disks for the hypervisor or should I just go with e.g. WD RE4 disks in a software RAID setup. I also need to think about where to store the mails for the mail server, but this could be done over NFS between the VMs. BTW, this is for home use, so the load is not really that big. What I'm looking for is best practices for splitting up a server.

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  • hdfs configuration

    - by Ananymous
    I am a newbie. Trying to setup a hdfs system to serve my data (I don't plan to use mapreduce) at my lab. So far I have read, cluster setup in but I am still confused. Several questions: Do I need to have a secondary namenode? There are 2 files, masters and slaves. Do I really need these 2 files eventhough I just want hdfs? If I need them, what should go in there? I assume my namenode in masters and datanodes as slaves? Do I need slaves nodes What configuration files are needed for namenode, secondary namenode, datanode and client? (I assume core-site.xml is needed for all 4)? In addition, can someone suggest a good configuration model? sample configuration for namenode, secondary namenode, datanode, and the client would be very helpful. I am getting confused because it seems most of the documentation assumes I want to use map-reduce which isn't the case.

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