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• Sluggish Windows SBS 2003

  - by TomWilsonFL

  One of my customers has a Windows 2003 Small Business Server which at this point is basically the DC, DNS, Fileserver and Symantec Protection Manager. I have disabled Exchange because I moved their mail to Google Apps. The server is extremely sluggish when doing anything. It is most noticeable when a dialog box is open (say the System properties), and you try to change tabs. This is usually instant, but on this machine can take 3-5 seconds. What additional services / packages can I uninstall from this machine knowing that it is only performing the above roles? Will removing the "Small Business Server" package in Add / Remove Programs get rid of a few unnecessary things? Any other thoughts? P.S. I know Symantec Endpoint and the Protection Manager are hogs, but I have nothing to replace the solution with at the moment. Thanks, Tom UPDATE: I looked over the different performance metrics, but nothing stood out as a problem. One of my friends mentioned Symantec's log and temp files can get quite huge and slow things down, so I ran CCleaner on the machine and found close to 3 GB of Symantec "stuff." Removed that and now the machine is MUCH better. I am still unsure why the data just sitting there would cause such a slowdown. The drive is not even near full. The only thing I can imagine is that Symantec must have to run through this stuff now and then.

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• Netbook thinks it is a desktop

  - by Narcolapser

  Question: Are, and if so what, there packages for download that I can get netbook to understand it is not a desktop and that it is a netbook. Info: I'm running an Acer Aspire One with ubuntu desktop 9.10. I tried Ubuntu Netbook Remix first but it has graphics issues with the aspire one. So I changed to Ubuntu Desktop. It was the only distro (after debian, centOS, Fedora, and Knoppix all failed me) that I managed to get working. The only thing is that it is having issues doing things that a netbook/laptop should be doing. most notably is that it will run it's battery dead if I close the screen and throw it into my back pack. It seems to just stay fully on and runs it's self to death. also it will lock up some times if I close the screen and come back to it 10 or 20 minutes later. It also won't retain volume settings when I reboot, as well as screen brightness. and just a couple of other things that I can't quite put my finger on, but just seem amiss. like I said, Essentially my netbook thinks it is a desktop, how can I fix this? ~N

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• Upgrade an Ubuntu 8.04 installation with VMware Server 1.0.8 and lots of guest OSes to Something Els

  - by Glyph

  I have an Ubuntu 8.04 (Hardy Heron) host machine which is running a whole slew of virtual machines in VMWare Server 1.0.8. Among other guest OSes, there is every release version of Ubuntu since 6.06, OpenSolaris 2009.06, and Windows XP. Right now I access these VMs from a variety of client OSes as well; Linux and Windows via the VMWare server console, and MacOS via X-forwarding the host machine's server console. I'd like to upgrade the host to Ubuntu 10.04 (Lucid Lynx), but from what I can tell, getting VMWare Server 1.x to work on a more recent version of Linux is a real pain. While VMware Server 2.x is a bit easier, it's still not packaged as Debian packages, so installing security updates is a big chore. As long as I'm upgrading anyway, I'd like to move to a virtualization solution that will allow me to automate applying updates. The options that I'm aware of right now are KVM (managed via virt-manager) and VirtualBox (as managed by its own tools or via its own libvirt bindings), but I'm open to other suggestions. For each option, I'd like to know how do I convert my guest images to the new format? am I going to have to re-activate my Windows guests (alternatively, "If the virtual hardware is different by default, can I avoid re-activation by changing some virtualization configuration to provide me with more similar virtual hardware") what are the management options like for each client OS (mac, linux, windows)? Thanks.

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• Automounting Active Directory home drives on a Linux server on login

  - by Ethan

  I've got a Centos 5.7 box authenticating against Active Directory through PBIS Open (the new LikeWise Open), which works well. Now, I'm trying to get the server to automount the user's AD home directory, located at //ad.server.dom/shares/home directories (Yeah, it's a space in the path. I didn't set this up). Each user has a directory in there with the same name as the user. I've tried to get pam_mount working, but it has a series of issues on RedHat and friends, and I can't seem to get that working. The directory does need to be automounted for the server to perform it's role. My reading on automount seems to suggest that there's no way to get it to do it's thing with authentication, though I'm happy to be proved wrong. I've looked at this resource, but it requires version RedHat (thus CentOS) 6 or higher, and newer packages than I have. I can manually (As root) mount the AD directory using the command mount.cifs "//ad.server.dom/Shares/home directories/testuser" /home/local/AD/testuser/nfs_mount/ -o username=testuser and when I log in as testuser, I can see all of the sample files in the nfs_share directory. Any tips towards the right direction would be highly appreciated. This is going to be on a server at a college, so it needs to be fairly stable, and would lead towards more Linux adoption there.

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• BSOD during Cygwin install

  - by Mike Pennington

  I have been running Cygwin (1.7.7) under Windows Vista 64-bit, SP2 for at least a year, and had no problems with my installation at all until today. When I tried to install apt-cyg, I realized that I needed to get the svn client. During the installation of the package dependencies, Vista threw a blue screen of death. I hoped this was a one-time occurrence, so I rebooted into Vista and tried to install svn again; same result. Next I completely removed Cygwin's directory, and all Cygwin registry entries; at this point, I tried reinstalling the base Cygwin system again. During the installation of bash, I got another BSOD: Apologies for the fuzzy pic, I had to shoot with my phone camera. I googled for BSOD and Cygwin and found a post by Dave Korn mentioning that the only reasons Cygwin should cause a BSOD is because of either ioperm.sys or some USB utilities. I have neither on my system. Every time I have tried reinstalling, Vista BSODs; I have not had problems installing any other software packages on this Vista machine. How can I get Cygwin installed again (without reinstalling Vista)?

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• Configure PEAR on CentOS 6 and PLESK

  - by RCNeil

  I'm hoping to get a little assistance with configuring PEAR to work properly. I have a PHP file that's calling PEAR's mail and mail-mime files, and I believe I am missing some steps because I keep getting the very common Warning: include_once(Mail.php): failed to open stream: No such file or directory Warning: include_once(Mail_Mime/mime.php): failed to open stream: No such file or directory It is installed - Installed packages, channel pear.php.net: ========================================= Package Version State Archive_Tar 1.3.7 stable Console_Getopt 1.2.3 stable Mail 1.2.0 stable Mail_Mime 1.8.3 stable PEAR 1.9.4 stable Structures_Graph 1.0.4 stable XML_RPC 1.5.4 stable XML_Util 1.2.1 stable And according to this TUT, I need to configure it appropriately in each vhost. I have already gone through and adjusted the php.ini file, but when the TUT speaks of the php_admin_value open_basedir "/var/www/vhosts/example.com/httpdocs:/tmp:/usr/share/pear:/local/PEAR" in my /var/www/vhosts/example.com/conf/httpd.include file I kind of get lost. There are several httpd.include files in that directory, all preceded with very long numerical strings. All I want to do is have an email attachment in my form.... Any insight or similar experiences shared would be greatly appreciated.

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• OpenWrt vs DDWrt

  - by Ioan Paul Pirau

  I have a TP-Link Wr1043ND router and I want to install one of these two firmwares: OpenWRT DD-WRT I read that I can install custom packages and do much more than I can with the original firmware. I would like to ask someone with experience in using both OpenWRT and DD-WRT which he would recommend and why. And to give a few reference points I'm interested in: reliability – network stability both on cable and wireless and on the usb drive performance – network speed, very important also usb drive speed configurability – the possibility to add extensions such as a torrent client, FTP, SSH, WWW and SVN server directly ease of use – the ease of installation and configuration of the router support/docs – how much info there is if you stumble upon a problem and you have to find some documentation, or if there's any free support (but that's a longshot) Of course I don't imagine that I will find the perfect firmware and that one is vastly superior over the other. Also if there's anyone out there who uses one of these firmwares on a TP-Link Wr1043ND, it would be great to get some feedback about the impact of the changes from the original firmware. P.S. I'm open also for Tomato if it's the better one.

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• CentOs 6.3 can't install Git

  - by drivard

  I am trying to install git on an OpenVZ container using the CentOs 6.3 precreated template. When I try the command line yum install git I get the message: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: www.cubiculestudio.com * epel: mirror.csclub.uwaterloo.ca * extras: www.cubiculestudio.com * rpmforge: mirror.us.leaseweb.net * updates: www.cubiculestudio.com Setting up Install Process No package git available. Error: Nothing to do As I understand, the git package should be in the centos6 base repository: http://pkgs.org/centos-6-rhel-6/centos-rhel-x86_64/git-1.7.1-2.el6_0.1.x86_64.rpm.html But it doesn't find it, I even have the EPEL and RPMForge repo enabled, but still can't find the git package. yum repolist Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: www.cubiculestudio.com * epel: mirror.csclub.uwaterloo.ca * extras: www.cubiculestudio.com * rpmforge: mirror.us.leaseweb.net * updates: www.cubiculestudio.com repo id repo name status base CentOS-6 - Base 4,776 epel Extra Packages for Enterprise Linux 6 - i386 6,523 extras CentOS-6 - Extras 4 rpmforge RHEL 6 - RPMforge.net - dag 4,501 updates CentOS-6 - Updates 596 vz-base vz-base 3 vz-updates vz-updates 0 repolist: 16,403 The weirdest thing is that my OpenVZ server is running on CentOs 6.3 and I was able to install git without any issue. Can you help me understanding why it doesn't find the package? Thank you in advance.

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• Kickstart CentOS 6 prompting for TCP/IP with network set to DHCP

  - by Andy Shinn

  I am trying to stop my kickstart CentOS install prompting me for TCP/IP information. After I click through this prompt (keeping IPv4 and IPv6 to their defaults) the installation continues and completes just fine. Below is my kickstart file: # Andy's super awesome VM kickstart file install url --url=http://mirrors.kernel.org/centos/6/os/x86_64 lang en_US.UTF-8 keyboard us text %include /tmp/network.ks rootpw --iscrypted $6$RA8DyrNTsVJkGIgY$ohZ62HHiOjNnn1yDMZlIu3lQ63D3plGPcbVZtPKE8Oq6Z.IGUgN.kNLkxs/ZymZuluRDWsW2eey5zLOl2G3mp. firewall --service=ssh authconfig --enableshadow --passalgo=sha512 selinux --disabled timezone America/Los_Angeles bootloader --location=mbr --driveorder=vda --append="crashkernel=auto rhgb quiet" # The following is the partition information you requested # Note that any partitions you deleted are not expressed # here so unless you clear all partitions first, this is # not guaranteed to work zerombr clearpart --all --drives=vda --initlabel part /boot --fstype=ext4 --size=500 part pv.253002 --grow --size=1 volgroup vg1 --pesize=4096 pv.253002 logvol / --fstype=ext4 --name=lv_root --vgname=vg1 --grow --size=1024 --maxsize=51200 logvol swap --name=lv_swap --vgname=vg1 --grow --size=4032 --maxsize=4032 repo --name="CentOS" --baseurl=http://mirrors.kernel.org/centos/6/os/x86_64 --cost=100 repo --name="Puppet Labs Products" --baseurl=http://yum.puppetlabs.com/el/6/products/x86_64 repo --name="Puppet Labs Dependencies" --baseurl=http://yum.puppetlabs.com/el/6/dependencies/x86_64 repo --name="EyeFi" --baseurl=http://flexo.eye.fi/6/eye-fi-api %packages @core @server-policy puppet facter %end %pre --erroronfail #!/bin/bash for x in `cat /proc/cmdline`; do case $x in SERVERNAME*) eval $x echo "network --onboot yes --device eth0 --bootproto dhcp --hostname ${SERVERNAME}.eye.fi" /tmp/network.ks ;; esac; done %end %post puppet agent --waitforcert 10 --onetime --no-daemon --pluginsync --server puppet.eye.fi %end reboot My kernel arguments are in this following virt-install command that I use to start the install: virt-install -n zabbix -r 2048 --vcpus=2 -l http://mirrors.kernel.org/centos/6/os/x86_64 --disk /dev/vg_inf1/zabbix --network bridge=br85 --initrd-inject=/home/ashinn/vm_kickstart --extra-args "ks=file:/vm_kickstart SERVERNAME=zabbix" --autostart During the install, I can pull up a console on the second terminal and verify the contents of /tmp/network.ks are: network --onboot=yes --bootproto=dhcp --ipv6=auto --hostname=jenkins2.mydomain.com Why might Anaconda be prompting for the TCP/IP settings when they are already set to DHCP?

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• Compiled git from source, cannot access subversion repositories using git-svn

  - by haydenmuhl

  I'm setting up a CentOS dev box, and need git. At first I tried to install git using yum, but I could not connect to a yum repository that had git. Next I downloaded the git source (version 1.7.1) and compiled it. When I run the following command git svn clone svn+ssh://... I get the following error. Initialized empty Git repository in /root/main_ec/.git/ Can't locate SVN/Core.pm in @INC (@INC contains: /usr/local/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/local/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 .) at /usr/local/libexec/git-core/git-svn line 41. It looks like git-svn uses perl in some manner, but I don't know packages I'm missing. Can anyone help?

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• Problems installing MySQL-python via yum / missing dependency / incompatibility problem?

  - by bs0

  I have come up against problems installing MySQL-python via yum. Our server is running Centos 5.5 and MySQL Version 5.1.45, Python-dev is installed. Yum complains about the missing dependency libmysqlclient_r.so.15: Missing Dependency: libmysqlclient_r.so.15()(64bit) is needed by package MySQL-python-1.2.1-1.x86_64 (base) The server is up to date and the packages mysql mysql-devel python-devel are installed. The missing dependency is nowhere on the system: locate libmysqlclient /usr/lib64/libmysqlclient.so /usr/lib64/libmysqlclient.so.15 /usr/lib64/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.16.0.0 /usr/lib64/libmysqlclient_r.so /usr/lib64/libmysqlclient_r.so.16 /usr/lib64/libmysqlclient_r.so.16.0.0 /usr/lib64/mysql/libmysqlclient.a /usr/lib64/mysql/libmysqlclient.la /usr/lib64/mysql/libmysqlclient.so /usr/lib64/mysql/libmysqlclient_r.a /usr/lib64/mysql/libmysqlclient_r.la /usr/lib64/mysql/libmysqlclient_r.so /usr/local/cpanel/lib64/libmysqlclient.so.14 rpm -qa | grep -i mysql MySQL-devel-5.1.45-0.glibc23 MySQL-bench-5.0.89-0.glibc23 MySQL-shared-5.1.45-0.glibc23 MySQL-server-5.1.45-0.glibc23 MySQL-test-5.1.45-0.glibc23 MySQL-client-5.1.45-0.glibc23 The Python version is python-2.4.3-27.el5.x86_64: Python 2.4.3 (#1, Sep 3 2009, 15:37:37) [GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2 Any suggestions would be greatly appreciated.

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• Where to get glib-config for Kubuntu?

  - by Carl Smotricz

  I'm trying to compile Midnight Commander on a KUbuntu 9.10 (Karmic) box with no root access. I've set up a directory under $HOME, downloaded the mc source package and various stuff required for building, such as autotools. I've unpacked the CONTENTS of all those packages into this working directory such that I have the usual ./usr, ./lib, ./etc hierarchy. I manage to get configure through a lot of tests, but I can't seem to fool it into finding glib. checking for glib-2.0... checking for glib-config... no checking for glib12-config... no checking for glib-config... no checking for GLIB - version >= 1.2.6... no *** The glib-config script installed by GLIB could not be found *** If GLIB was installed in PREFIX, make sure PREFIX/bin is in *** your path, or set the GLIB_CONFIG environment variable to the *** full path to glib-config. configure: error: Test for glib failed. GNU Midnight Commander requires glib 1.2.6 or above. My system has glib installed: /lib/libglib-2.0.so.0 /lib/libglib-2.0.so.0.2200.3 ... and I've also downloaded and unpacked the glib package into my working directory: libglib2.0-0_2.22.2-0ubuntu1_i386.deb libglib2.0-dev_2.22.2-0ubuntu1_i386.deb ... but still the elusive glib-config is nowhere to be found. It's not in any debian package for Karmic, either. So I'd appreciate any help getting over this hurdle. Please note, again, that I don't have root, so I can't just merrily apt-get stuff.

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• Free/opensource application for charting stock prices?

  - by Homunculus Reticulli

  I am looking for a free or FOSS software application for SIMPLY charting stock prices. I am not interested in any of the other nonsense typically bundled with such packages (technical analysis, back testing, tracking etc, etc). All I want to do is the following: Import file from CSV and plot on the chart Ability to scroll the chart left/right (zoom feature would be nice to) Ability to draw straight line (between 2 points) on the plot Ability to plot the graph for different resolutions (for e.g weekly, monthly - or some other custom resolution that I want) print the displayed graph (I can always use screen capture if printing is too much to ask) Thats all I want to do. I am not interested in anything else. I would have thought I could have found something by now. I would have written my own tool (I still will do that at a later stage), but I am a bit short of time at the moment, so I just want something that will do all of the above. Can anyone recommend a package. Last but not the least, I am running on Linux (and would prefer to do so - BUT if I have to, I can run on ahem - you know, Windows)

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• Cannot resolve dependencies when trying to install gnome-libs or xscreensaver on linux

  - by Frank

  I am a linux noob and am trying to install ORacle10g on RHEL5 but am running into difficulties on the requirements stage. The only 2 packages I require is gnome-libs and xscreensaver. I have downloaded both: 'gnome-libs-1.4.1.2.90-44.1.i386.rpm 'xscreensaver-4.18-5.rhel4.11.i386.rpm' But when I try to install them I get dependency errors. I have been trawling sites and forums for 2 days now and am no closer to resolving this and continuing with my Oracle install. To pre-empt possible trouble-shooting questions, here is a list of the dependcies that could not be resolved: For gnome-libs: libdb.so.2(GLIBC_2.0) ORBit libdb.so.2 libllOP.so.0 libORBitCosNaming.so.0 libORBitutil.so.0 libORBit.so.0 libpng.so.2 And it says all the above is needed by package 1:gnome-libs-1.4.1.2.90-44.1.i386(/gnome-libs-1.4.1.2.90-44.1.i386) For xscreensaver: xloadimage is needed by package 1:xscreensaver-4.18-5.rhel4.11.i386(/xscreensaver-4.18-5.rhel4.11.i386) Sorry if I have explained this in a crap way - like I said - linux noob here. Any help with this would be great, its been a long 2 days so far - i need to get this resolved soon. Thanks

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• Managing an application across multiple servers, or PXE vs cfEngine/Chef/Puppet

  - by matt

  We have an application that is running on a few (5 or so and will grow) boxes. The hardware is identical in all the machines, and ideally the software would be as well. I have been managing them by hand up until now, and don't want to anymore (static ip addresses, disabling all necessary services, installing required packages...) . Can anyone balance the pros and cons of the following options, or suggest something more intelligent? 1: Individually install centos on all the boxes and manage the configs with chef/cfengine/puppet. This would be good, as I have wanted an excuse to learn to use one of applications, but I don't know if this is actually the best solution. 2: Make one box perfect and image it. Serve the image over PXE and whenever I want to make modifications, I can just reboot the boxes from a new image. How do cluster guys normally handle things like having mac addresses in the /etc/sysconfig/network-scripts/ifcfg* files? We use infiniband as well, and it also refuses to start if the hwaddr is wrong. Can these be correctly generated at boot? I'm leaning towards the PXE solution, but I think monitoring with munin or nagios will be a little more complicated with this. Anyone have experience with this type of problem? All the servers have SSDs in them and are fast and powerful. Thanks, matt.

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• VSFTPD - FTP over TLS - Upload stops after exactly 82k?

  - by Redsandro

  I installed a VSFTP daemon on a CentOS server, using a RSA certificate for logging in using explicit TLS. Now, I cannot upload more than 82k. With files under that limit, there is no problem. The FTP works like a charm. But as soon as a file reaches 82k with FileZilla (81,952 bytes to be exact), the transfer will stop, and the FTP client hangs until time out is reached. FTP client console: 15:10:21 Command: STOR jquery-1.7.2.min.js 15:10:21 Response: 150 Ok to send data. 15:11:21 Error: Connection timed out 15:11:21 Error: File transfer failed after transferring 82 KB in 60 seconds /var/log/vsftpd.log FTP command: Client "x.x.x.x", "STOR jquery-1.7.2.min.js" FTP response: Client "x.x.x.x", "150 Ok to send data." OK UPLOAD: Client "x.x.x.x", "jquery-1.7.2.min.js", 81952 bytes, 1.32Kbyte/sec FTP response: Client "x.x.x.x", "226 File receive OK." // NOT okay, file is bigger // No mention of error here I cannot find relevant info about this problem, apart from a possible problem with trans_chunk_size (not mentioned in default config), but I tried different sizes and it has no impact on the problem. trans_chunk_size=4096 trans_chunk_size=8192 trans_chunk_size=9999 Ofcourse, after every configuration change, I restarted the server: /etc/init.d/vsftpd restart What else can cause this? It's not the latest version, but it's the latest update within the repositories that has been deemed fit for enterprise usage: Package info: $ yum info vsftpd Loaded plugins: fastestmirror Installed Packages Name : vsftpd Arch : x86_64 Version : 2.0.5 Release : 24.el5_8.1 Size : 286 k Repo : installed Summary : vsftpd - Very Secure Ftp Daemon URL : http://vsftpd.beasts.org/ License : GPL Description: vsftpd is a Very Secure FTP daemon. It was written completely from scratch.

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• Certain Japanese characters aren't displayed properly

  - by Nisto

  On the following site: http://www.nciku.com/search/radical the first 2 characters on the second row of the "Step 2" table aren't displayed properly. All other characters look fine. I tried re-installing the Asian fonts via the checkboxes regarding Asian fonts in the "Regional and Language Options" control panel applet. I have tried removing every single Font from the Fonts folder (some were ofcourse not possible to remove), and re-installing them all again. I did this by... Running cmd Closing down the explorer process In cmd; using the command DEL /F /S /Q * in the Fonts folder Putting in my XP SP3 Retail disc In cmd; using expand -r *.tt_ in the I386 folder on the XP disc (and any other font file, in the I386\LANG folder) I also tried installing this pack from Microsoft, but this solved nothing either. I even tried running my browser (Firefox) through AppLocale. And changing character encoding -- again, does not help. I've also tried viewing the page in Internet Explorer. What could be wrong? I have checked my Fonts folder, to make sure that every single font available on the XP disc is available in WINDOWS\Fonts. What shows in the first square on the second row - I can't really tell what it's supposed to look like (but it's not the proper character)... but the second square shows a rectangular symbol containing HEX code. I've been in this situation before -- and it has been when I've been missing fonts. But how could I possibly be missing a necessary font? Shouldn't it be provided in the Asian "font packages"? I've talked to some other users that has viewed the page, and they had no problems displaying those characters on second row - even though they're only using the fonts provided on the Windows installation disc. Windows XP Professional Service Pack 3 (x86 - with latest updates) Firefox 3.6.15

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• Inconsistent SMTP Access

  - by Mike Hanson

  I have a mail server setup on Windows Server 2008. All was working fine, until I wanted to map a drive on the server so that I can access files on another machine. Windows prompted me to configure Network Discovery, which I did with the "Home/Office" option rather than "Public". After that, several access points that worked before stopped working, like VNC, SMTP, etc. After reinstalling those packages, things appeared to be working again. Unfortunately, problems have returned with my SMTP server. I can use an web-based SMTP tester, and it connects in 62msec (as expected). However, if I telnet from my machine on the same LAN, it takes more than 20 seconds to connect! When I try to send messages from Outlook, it times out entirely with the message: Sending' reported error (0x80042109) : 'Outlook cannot connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).' I've checked the firewall settings, I've tried configuring it to use port 587 instead of 25, but nothing gets around this problem. Does any have any useful insights? Thanks in advance!

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• Dell Studio 1555 not starting up

  - by Abhishek

  This is a 3-year-old laptop. I never had a big problem with it until now. I updated Kubuntu the night before yesterday. And Firefox got updated to version 18 and a few other related packages got updated. Then I shut down the laptop and restarted it, but it failed to start. I could hear the fan and the hard disk and the optical disk drive initialize. And the power button also lighted up. But there was no video - no POST or BIOS menu. I even opened the laptop up to the point when only the motherboard was the only thing attached to the base cover. I took it to the technician this evening. He checked it casually, and said that it might be a motherboard problem and will cost quite a bit to fix. Though he was not sure and said that he will give me a call after confirming the problem. Has anyone else had the same problem? What was it and what was the fix?

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• Compiling PHP with GD and libjpeg support

  - by Robin Winslow

  I compile my own PHP, partly to learn more about how PHP is put together, and partly because I'm always finding I need modules that aren't available by default, and this way I have control over that. My problem is that I can't get JPEG support in PHP. Using CentOS 5.6. Here are my configuration options when compiling PHP 5.3.8: './configure' '--enable-fpm' '--enable-mbstring' '--with-mysql' '--with-mysqli' '--with-gd' '--with-curl' '--with-mcrypt' '--with-zlib' '--with-pear' '--with-gmp' '--with-xsl' '--enable-zip' '--disable-fileinfo' '--with-jpeg-dir=/usr/lib/' The ./configure output says: checking for GD support... yes checking for the location of libjpeg... no checking for the location of libpng... no checking for the location of libXpm... no And then we can see that GD is installed, but that JPEG support isn't there: # php -r 'print_r(gd_info());' Array ( [GD Version] => bundled (2.0.34 compatible) [FreeType Support] => [T1Lib Support] => [GIF Read Support] => 1 [GIF Create Support] => 1 [JPEG Support] => [PNG Support] => 1 [WBMP Support] => 1 [XPM Support] => [XBM Support] => 1 [JIS-mapped Japanese Font Support] => ) I know that PHP needs to be able to find libjpeg, and it obviously can't find a version it's happy with. I would have thought /usr/lib/libjpeg.so or /usr/lib/libjpeg.so.62 would be what it needs, but I supplied it with the correct lib directory (--with-jpeg-dir=/usr/lib/) and it doesn't pick them up so I guess they can't be the right versions. rpm says libjpeg is installed. Should I yum remove and reinstall it, and all it's dependent packages? Might that fix the problem? Here's a paste bin with a collection of hopefully useful system information: http://pastebin.com/ied0kPR6

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• OpenSolaris livecd, NForce NIC driver, and NTFS USB mounting. Oh My!

  - by Jake Wharton

  I'm attempting to install OpenSolaris 2009.06 on my server. Before I do I would like to test that everything works and am running in to problems. It has an Abit AN-M2 motherboard with an NForce chipset. The driver config utility says that I need a third-party driver and links me to http://homepage2.nifty.com/mrym3/taiyodo/eng/. Scrolling to the bottom, I have downloaded both tgzs just in case. Now the fun part: The only way to get this on to the computer is via a USB drive since I can't access the network. Also, install CD in the drive otherwise I'd just burn them to DVD. Since my USB key is NTFS formatted I cannot mount it since the install CD seems to be lacking NTFS drivers which require more downloaded packages. What should I do? The server will simply be a dumb NAS and I know that there exists other OpenSolaris-based flavors such as Nexenta but from what I read the stock install is likely the best. If this is not the case and pursuing a different flavor is required or better I will also accept that as an answer (but please don't jump straight to it).

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• Ubuntu Postfix email account with forward

  - by Mika

  I have an Ubuntu 12.04 server with Postfix installed. In Postfix installation I used this guide https://help.ubuntu.com/community/Postfix. I didn't go through all of that, just the sudo dpkg-reconfigure postfix part. I have created user accounts to my server and the users home directories contain a .forward file which have only one row the email address to forward to. I have defined dns A records for the names www.mydomain.com and mydomain.com But if I send an email to [email protected] it doesn't get forwarded. Actually I can't see any sign about any email ever visiting my server. My firewall is defined to allow incoming traffic for ports 80, 443 and 22. For outgoing traffic it allows ports 587 and 22. The exact definitions are below. Should I allow also outgoing http (port 80)? or maybe port 25? # Allow ssh in iptables -A INPUT -i eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT # Allow incoming HTTP iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT # Allow incoming HTTPS iptables -A INPUT -i eth0 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT # Allow outgoing SSH iptables -A OUTPUT -o eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT # Allow outgoing emails iptables -A OUTPUT -o eth0 -p tcp --dport 587 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p tcp --sport 587 -m state --state ESTABLISHED -j ACCEPT Edits: I found lines from my syslog telling me that there were incoming traffic for port 25 which was blocked. The sender ip's for those packages were trustworthy, so I opened also port 25. Now I can see some Postfix logging in my syslog. It looks like it is at least trying to forward emails. I haven't yet received any forwarder emails into my gmail mail box.

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• Any non-custom way to manage iptables with fail2ban and libvirt+kvm?

  - by Peter Hansen

  I have an Ubuntu 9.04 server running libvirt/kvm and fail2ban (for SSH attacks). Both libvirt and fail2ban integrate with iptables in different ways. Libvirt uses (I think) some XML config and during startup (?) configures forwarding to the VM subnet. Fail2ban installs a custom chain (probably at init) and periodically modifies it to ban/unban probable attackers. I also need to install my own rules to forward various ports to servers running in VMs and on other machines, and set up rudimentary security (e.g. drop all INPUT traffic except the few ports I want open), and of course I'd like the ability to add/remove rules safely without restarting. It seems to me iptables is a powerful tool that's sorely lacking some sort of standardized way of juggling all this stuff. Every project, and every sysadmin, seems to do it differently! (And I think there's lots of "cargo cult" admin going on here, with people cloning crude approaches like "use iptables-save like so".) Short of figuring out the gory details of exactly how both of these (and potentially other) tools manipulate the netfilter tables, and developing my own scripts or just manually executing iptables commands, is there any way to safely work with iptables while not breaking the functionality of these other tools? Any nascent standards or projects defined to bring sanity to this area? Even a helpful web page I missed that might cover at least these two packages together?

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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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• libsasl2 change paths

  - by mk_89

  I have been following the tutorial https://help.ubuntu.com/community/Postfix for installing Postfix on ubuntu. Im stuck at the Authenication section of the tutorial where you change paths to live in the false root, if you look at the link above I have a file (/etc/default/saslauthd) which is pretty much the same as the one from the tutorial. saslauthd # This needs to be uncommented before saslauthd will be run automatically START=yes PWDIR="/var/spool/postfix/var/run/saslauthd" PARAMS="-m ${PWDIR}" PIDFILE="${PWDIR}/saslauthd.pid" # You must specify the authentication mechanisms you wish to use. # This defaults to "pam" for PAM support, but may also include # "shadow" or "sasldb", like this: # MECHANISMS="pam shadow" MECHANISMS="pam" # Other options (default: -c) # See the saslauthd man page for information about these options. # # Example for postfix users: "-c -m /var/spool/postfix/var/run/saslauthd" # Note: See /usr/share/doc/sasl2-bin/README.Debian #OPTIONS="-c" #make sure you set the options here otherwise it ignores params above and will not work OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd" When I run the following command in ubuntu dpkg-statoverride --force --update --add root sasl 755 /var/spool/postfix/var/run/saslauthd I get the following error dpkg-statoverride: warning: An override for '/var/spool/postfix/var/run/saslauthd' already exists, but --force specified so will be ignored. dpkg-statoverride: warning: --update given but /var/spool/postfix/var/run/saslauthd does not exist I don't why this is happening, I literally followed the tutorial step by step and have installed all the packages necessary, what could be the problem? do I have to manually create

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