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Apache wakes-up inactive Exim
by Always Learning 29 Sep '14

29 Sep '14

Had a surprising event on C 6.5. Exim was the only MTA installed. It was partially configured (with ACL, Router, Transport) and definitely not running. I was remotely testing a web page. A web page error condition invoked the embedded PHP mail() command. To my astonishment something in Centos woke-up Exim. Exim sent the email and then became inactive again. The Exim logs does not show any start-up lines, just 1. input from Apache. 2. output to remote server. 3. 'completed'. Hours later Logwatch, not yet customised, also caused inactive Exim to send an email (which got rejected by Exim because it was to local user 0). What causes Centos to temporarily activate in-active (meaning non-running) Exim ? Thanks, Paul. England EU.

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Re: [CentOS] firefox: annoyance
by James B. Byrne 29 Sep '14

29 Sep '14

On Thu, September 25, 2014 12:42, m.roth(a)5-cent.us wrote: > > Thanks, I sit (and type) corrected. There was something nagging at me, > saying Russia was wrong for Nux. However, I don't foresee aforesaid > manager being happy with an eastern European individual's repo. > You, and your boss, should become aware that Romania joined the North Atlantic Treaty Organisation (NATO) on March 29, 2004. The United States presently has a formal military alliance with Romania. The same one that it has with Canada, Turkey, Great Britain, and most of Europe. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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RPM install/upgrade problem
by Tony Molloy 29 Sep '14

29 Sep '14

Hi, For the last few updates I'm having a yum problem. # yum update gives the following error for e.g. Running transaction Updating : bash-4.2.45-5.el7_0.2.x86_64 1/10 Error unpacking rpm package bash-4.2.45-5.el7_0.2.x86_64 error: unpacking of archive failed on file /usr/bin/alias;5423b9bc: cpio: open The same problem happens if I try to use rpm for the update so it appears to be an rpm problem rather than a yum one. I've rebuilt the rpm databases successfully but tthe problem persists. Regards, Tony -- Linux nogs.tonyshome.ie 2.6.32-431.29.2.el6.x86_64 #1 SMP Tue Sep 9 21:36:05 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

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firefox: annoyance
by mark 29 Sep '14

29 Sep '14

I just updated firefox, here at home... and when I fired it back up, *all* of my tabs were gone. Every one (all couple dozen...) mark, CentOS 6.5

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C6 : AIDE experience
by Always Learning 29 Sep '14

29 Sep '14

Having problems with Tripwire on C6, I installed AIDE from the base repository. x86_64 0.14-3.el6_2.2 base 123 k typing: aide result: "Couldn't open file /var/lib/aide/aide.db.gz for reading" (directory is empty and aide.db.gz does not exist.) typing: aide -i (for initialise the Aide database) result: "AIDE, version 0.14 ### AIDE database at /var/lib/aide/aide.db.new.gz initialized." (size 10 bytes) typing: aide result: "Couldn't open file /var/lib/aide/aide.db.gz for reading" typing: aide --init (for the second time) result: "AIDE, version 0.14 ### AIDE database at /var/lib/aide/aide.db.new.gz initialized." (now 2,225,108 bytes) typing: aide result: "Couldn't open file /var/lib/aide/aide.db.gz for reading" action: renaming aide.db.new.gz as aide.db.gz typing: aide result: (noticeable delay) "AIDE, version 0.14 ### All files match AIDE database. Looks okay!" (only 1 file in /var/lib/aide = aide.db.gz) typing: aide -u result: (noticeable delay) "AIDE, version 0.14 ### All files match AIDE database. Looks okay! ### New AIDE database written to /var/lib/aide/aide.db.new.gz" Comment: Looks like I have solved the riddle :-) I did do a 'yum erase aide' followed by a 'yum install aide' to ensure my first experience was not a technical malfunction. -- Regards, Paul. England, EU. Centos, Exim, Apache, Libre Office is the future. Micro$oft is the past.

5 11

xfce on CentOS 7: can't lock screen
by Devin Reade 29 Sep '14

29 Sep '14

Ok, trying to bypass the usual flames (I used CDE for years, then KDE until it got dumbed-down too much, and we all know how GNOME has turned out) ... I've decided to try out xfce on CentOS 7. I grabbed xfce from epel by installing the following via yum: epel-release @xfce So far it's pretty good, and is giving me the basic features I'm looking at without getting in my way. However, I can't seem to get the damned screen lock function to work. Leaving the monitor idle doesn't generally do anything. (Although just now, after having left it for a few hours, I got a blank screen with a few vertical narrow white bars that wouldn't respond to any key or mouse movement. Switching to a text console and back to the graphics console, however, brought up the xfce desktop again, but with no screen lock prompt.) If I select the 'Lock Screen' menu item from the top right corner of the screen it does nothing; doesn't lock the screen, provides no feedback that there's a problem, etc. The page <http://xmodulo.com/control-screen-lock-settings-linux-desktop.html> describes (for XFCE) bring up "Settings Manager" => "Screen Saver", but there is no "Screen Saver" option in the Settings Manager. A clue stick would be appreciated. Devin

4 4

High Performance graphics virtual environment: VGA Passthough or a VDI solution
by Aaron Siegel 28 Sep '14

28 Sep '14

Hello Early this summer I made the decision to eliminate my Windows dual boot, I rarely used windows. I have started a new job which will require using a 3d CAD Inventor/Solidworks (Windows software). Inventor starts in vmware workstation. I also switched from OpenSuSE to CentOS after evaluating Ubuntu, RHEL, SLED, and Centos, I wanted a more proven platform, less experimental stuff. For the last several years I have been wanting to build a multi-seat computer. I did configure a mulit-seat using xorg, it work ok but there were issue with the keyboard and the kernel reported many error. I used the dual seat system for play internet content to a tv but I do not think this solution would work well for multiple desktops. VGA Pass-through Redhat blog claims the beta release supports vga pass-through: http://rhelblog.redhat.com/2014/01/29/kvm-virtualization/ Is this true? I hope to find a cheaper video card then the professional NVIDA. Can VGA pass-through be accomplished using the application provide by CentOS 7? Or do I need to apply all the patches and recompile as suggested in the article below? http://www.firewing1.com/howtos/fedora-20/create-gaming-virtual-machine-usi… VDI This solution provides each terminal with it own dedicated devices. Many of the problems with the muli-seat configuration I used in the past was related to sharing usb device on multiple terminals. The thin client resolves all of those problems. I think VDI solution easier for my wife and daughter to use than the VGA pass through. Thin client will located the terminal in a different rooms. Now the fun part Xen or oVirt KVM. I preference for KVM the kernel module seem to work better. I have had problem with Xen. Does anyone have suggestion for a small home deployment. This is not practical but I have this supper fast computer I like to use and I want to postpone purchasing a Apple laptop for as long as possible. The skills developed in this project can be indirectly applied at work. Thank you Aaron

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Critical update for bash released today.
by Jim Perrin 26 Sep '14

26 Sep '14

You should 'yum update' as soon as possible to resolve this issue. Here's why you should care: https://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environme… Links to the centos updates: CentOS-5: http://lists.centos.org/pipermail/centos-announce/2014-September/020582.html CentOS-6: http://lists.centos.org/pipermail/centos-announce/2014-September/020585.html CentOS-7: http://lists.centos.org/pipermail/centos-announce/2014-September/020583.html -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77

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systemd startup on centos 7
by Jerry Geis 26 Sep '14

26 Sep '14

Ok I created my script this morning [Unit] Description=Connections After=network.target [Service] Type=notify ExecStart=/home/silentm/bin/mystart [Install] WantedBy=multi-user.target I put it in the correct directory, I rebooted and I see that my mystart script runs- programs start up but then they are killed with signal 15... Is there something else that allows them to continue to run? the mystart runs the needed programs then it does exit. I presume that mystart exit is killing the children. Whats the magic to let the children continue.? Thanks Jerry

3 2

Re: [CentOS] firefox: annoyance
by James B. Byrne 26 Sep '14

26 Sep '14

On Thu, September 25, 2014 10:27, Scott Robbins wrote: > On Thu, Sep 25, 2014 at 09:09:15AM -0500, Valeri Galtsev wrote: >> >> developers to follow this: >> >> Don't change anything unless it is absolutely necessary. >> >> (it was excellent attitude to programming I was doing once: this way you >> diminish the chance to break something that works...) > > Probably POLA, Principle Of Least Astonishment. > The following article is from 2011 mind you, when FF 4 had 31% market share instead of the 17% it has now: http://www.techrepublic.com/blog/it-security/has-the-mozilla-foundation-los… And then the famous Kaply blog where Asa Dotzler tells all of us entreprisey folks that use FF to get stuffed: http://mike.kaply.com/2011/06/23/understanding-the-corporate-impact/ We are on FF-ESR for our MS_Win users as well as CentOs, but this constant deliberate breakage by the MF folks has had me actively considering finding an alternative for some time now. I had sort of settled on Opera but they seem to have stopped development on the Linux version. I love the extensions that are available for FF but I am tired beyond care of witnessing the pointless rearranging of the deck chairs while FF slips ever so gently beneath the waves. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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