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CentOS 7 + MATE : Folder contents not refreshed in file manager
by Nicolas Kovacs 21 Jul '18

21 Jul '18

Hi, I just migrated my workstation running CentOS 7 from KDE to MATE. It looks like I'm having the same problem with the Caja file manager than with Dolphin. Folder contents don't get refreshed automatically, and I have to hit F5. For example, when I download a file (say, a compressed archive) from the Internet, I have to hit F5 to see the file in Caja. And when I extract the archive, I have to hit F5 again. Anybody knows where this nagging problem comes from? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Blog : https://blog.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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odd popups
by Fred Smith 21 Jul '18

21 Jul '18

Occasionally and without any action on my part, I get a popup saying I need to authenticate in order to read others' actions. I have no clue what this is for, so I always reject them. Anyone got a clue? Image attached. -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. ------------------------------- Romans 5:8 (niv) ------------------------------

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database node / possible SYN flooding on port 3306
by Leon Fauster 21 Jul '18

21 Jul '18

Hi folks, I have here a database node running # rpm -qa | grep mysql-server mysql55-mysql-server-5.5.52-1.el6.x86_64 on # virt-what vmware that seems to have a connection problem: # dmesg |grep SYN |tail -5 possible SYN flooding on port 3306. Sending cookies. possible SYN flooding on port 3306. Sending cookies. possible SYN flooding on port 3306. Sending cookies. possible SYN flooding on port 3306. Sending cookies. possible SYN flooding on port 3306. Sending cookies. I adapted already following: # sysctl -a |grep -E 'maxconn|syn_backlog' net.core.somaxconn = 2048 net.ipv4.tcp_max_syn_backlog = 2048 but ListenOverflows and ListenDrops values are still high # cat /proc/net/netstat | awk '{print $21 "-" $22 }' ListenOverflows-ListenDrops 13568-13568 any suggestion? -- Thanks, LF

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Centos 7 - Canon Powershot A410
by Frank Cox 20 Jul '18

20 Jul '18

I have an old Canon Powershot A410 camera that used to just work with Centos 6. All I had to do was install Shotwell and forever after I could just plug that camera in and Shotwell would automatically load and all was well. I'm now trying to get that camera to work on Centos 7, but am having no success. Jul 20 16:01:44 jeff kernel: usb 2-1.3: new full-speed USB device number 4 using ehci-pci Jul 20 16:01:44 jeff kernel: usb 2-1.3: New USB device found, idVendor=04a9, idP roduct=30f9 Jul 20 16:01:44 jeff kernel: usb 2-1.3: New USB device strings: Mfr=1, Product=2 , SerialNumber=0 Jul 20 16:01:44 jeff kernel: usb 2-1.3: Product: Canon Digital Camera Jul 20 16:01:44 jeff kernel: usb 2-1.3: Manufacturer: Canon Inc. Jul 20 16:01:44 jeff mtp-probe: checking bus 2, device 4: "/sys/devices/pci0000: 00/0000:00:1d.0/usb2/2-1/2-1.3" Jul 20 16:01:44 jeff mtp-probe: bus: 2, device: 4 was not an MTP device That last line isn't surprising because this camera apparently used PTP and not MTP. So does anyone know how to enable PTP mode? As far as I can tell the (installed) libgphoto2-2.5.15-1.el7.x86_64 is supposed to support PTP mode cameras but somehow it's not being activated or something? -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

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Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?
by Turritopsis Dohrnii Teo En Ming 20 Jul '18

20 Jul '18

Good evening from Singapore, Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP? Or do I need 2 static public IP addresses at the minimum? With Exchange 2016 groupware taking up HTTP, HTTPS, IMAP, IMAPS, POP3, POP3S, SMTP, and SMTP/S ports, I personally don't think I can deploy cPanel behind the same public IP as Exchange. Please advise. Perhaps you have a brilliant idea. This is for experimental, testing and laboratory purposes. Thank you very much. ===BEGIN SIGNATURE=== Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct 2017 [1] https://tdtemcerts.wordpress.com/ <https://tdtemcerts.wordpress.com/>[2] http://tdtemcerts.blogspot.sg/ <http://tdtemcerts.blogspot.sg/>[3] https://www.scribd.com/user/270125049/Teo-En-Ming <https://www.scribd.com/user/270125049/Teo-En-Ming>===END SIGNATURE===

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Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?
by James B. Byrne 20 Jul '18

20 Jul '18

On Thu, July 19, 2018 10:57, Valeri Galtsev wrote: > <rant> > . . . you don't need to recruit spies anymore, just roll out "free" > services, and information will trickle to you. I am old enough to know > what collection of information on everybody leads to (Hitler Germany, > Stalin Russia, ...), but I also know that the worst lesson of history > is: people do not learn lessons of history. . . > </rant> History is the practice of justifying the present by rewriting the past. -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail 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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CentOS-announce Digest, Vol 161, Issue 5
by centos-announce-request＠centos.org 19 Jul '18

19 Jul '18

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2018:2218 CentOS 6 firefox BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 18 Jul 2018 18:32:59 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2018:2218 CentOS 6 firefox BugFix Update Message-ID: <20180718183259.GA22894(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2018:2218 Upstream details at : https://access.redhat.com/errata/RHBA-2018:2218 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 2b30f41f0e169bba762e5c6ca1a6f04f88c4e135b486e46618530a67b5fe17eb firefox-60.1.0-6.el6.centos.i686.rpm x86_64: 2b30f41f0e169bba762e5c6ca1a6f04f88c4e135b486e46618530a67b5fe17eb firefox-60.1.0-6.el6.centos.i686.rpm 0c3fb27dff9002dda98e1643e89bbd7daab14d5f65bb7f083e46a9964be1b5ee firefox-60.1.0-6.el6.centos.x86_64.rpm Source: e8658c5b931df1d7e7d1d1b5a62d3bea2fc29b63f15b5ca3811662abf3a1dce9 firefox-60.1.0-6.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 161, Issue 5 ***********************************************

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Logwatch inconsistency
by Adrian van Bloois 19 Jul '18

19 Jul '18

Hi all, In my logwatch config I clearly state only too report on Yesterday. The funny thing is that in the MailScanner section the number of mails scanned is different thant th number reported in the postfix section to be put on hold. Ik I grep the Requeue statements in the MailScanner logfile this is exactly the same number as the scan result of Hold in the postfix logfile and is equal to the number reported by logwatch in the MailScanner section. How come postfix reports a lot more being put on hold than the real number? There is at least some inconsistency in there. Adrian -- Adri P. van Bloois "Elegance is not a dispensable luxury but a factor that decides between success and failure." Edsger W. Dijkstra

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Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?
by ldb＠braha.nl 18 Jul '18

18 Jul '18

> hi there > > I would categorizeÂ Exchange 2016 as "groupware" rather than SMTP server > per say, because you sent lots of stuff out of Exchange. > > > so to compare Exchange with postfix, exim would not be a proper > comparison. For Linux based groupware that i know is completely free is > Kolab (https://www.kolab.org/) its fairly easy to setup. Not sure about > Zimbra is its Still free as of now. > Kopano is available in a free and a paid version and does everything Exchange does and more (and better): https://kopano.com/ (paid version) https://kopano.io/ (community version, testbed) > > If you are to useÂ postfix, exim or sendmail you would need to setup a > webmail for that and use something like SquirrelMail or Dovecot of > whichÂ that more a bit complex than just setting up Kolab. > > > So in Short if you ware looking for Exchange equivalent in linux try > Kolab or Zimbra. don't look at postfix or exim. > > > On 07/18/2018 07:04 PM, Turritopsis Dohrnii Teo En Ming wrote: >> Good evening from Singapore, >> >> I am torn between deploying Microsoft Exchange 2016 and Linux-based >> SMTP servers like sendmail, postfix, qmail and exim. >> >> Relative ease of installation and configuration is an important >> consideration factor. >> >> Microsoft Exchange 2016, Domain Controller, and Active Directory are >> relatively easy to install and configure. Linux-based SMTP servers are >> extremely difficult to install and configure and of course, extremely >> time-consuming. >> >> One of the features of Microsoft Exchange 2016 is that you can create >> additional folders on your Inbox in the server (server-side). Can >> Linux-based SMTP servers do that? >> >> Does Exchange 2016 offer more user-friendly features or Linux-based >> SMTP servers? >> >> Besides the above considerations, how about security? Traditionally, >> Linux is far more secure than Windows. >> >> Judging by security, Linux-based SMTP servers ought to have a higher >> percentage of the market share? >> >> Finally, I can only use Windows Server 2016 Standard Evaluation Copy >> FREE for a period of 3 years MAXIMUM. But I can use Linux servers and >> Mail Transport Agents (MTA) FREE perpetually. >> >> Please advise. >> >> Thank you very much. >> >> >> >> ===BEGIN SIGNATURE=== >> >> Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct >> 2017 >> >> [1] https://tdtemcerts.wordpress.com/ >> >> <https://tdtemcerts.wordpress.com/> [2] http://tdtemcerts.blogspot.sg/ >> >> <http://tdtemcerts.blogspot.sg/> [3] >> https://www.scribd.com/user/270125049/Teo-En-Ming >> >> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END SIGNATURE=== >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> https://lists.centos.org/mailman/listinfo/centos > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos > -- L. de Braal BraHa Systems NL - Terneuzen T +31 115 649333

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Firefox 60 crashes when trying to save an image
by Robert Nichols 18 Jul '18

18 Jul '18

On any web page with an image, if i right-click on the image and select "Save Image As...", firefox crashes. Final messages from stderr: (firefox:3401): GLib-GIO-ERROR **: No GSettings schemas are installed on the system [Child 3502, Chrome_ChildThread] WARNING: pipe error (3): Connection reset by peer: file /builddir/build/BUILD/firefox-60.1.0/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353 Trace/breakpoint trap (core dumped) I've reported this on RHEL bugzilla (1601254), but on the off chance that this is a problem with the CentOS build I'm posting here as well. This is firefox-60.1.0-5.el6.centos.x86_64 on CentOS 6.10. -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it.

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