Discuss July 2018

discuss@lists.centos.org

105 participants
79 discussions

Re: [CentOS] Mail has quit working
by Bernie Pannell 24 Jul '18

24 Jul '18

On 24 July 2018 at 08:39, TE Dukes <tdukes(a)palmettoshopper.com> wrote: > Checked all logs and the only thing I could find was in /var/log/maillog : > warning hostname localhost does not resolve to address 127.0.0.1 > has your /etc/hosts been modified recently? does it contain a "127.0.0.1 localhost" or equivalent entry? B

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FF60 does not allow download to ssh/davs
by johan.vermeulen7＠telenet.be 23 Jul '18

23 Jul '18

Hello All, this concerns fully updated Centos7 / Mate machines; I have people connect to ssh en davs locations. In /home/user/.gtk-bookmarks I put entries like ssh://192.168.1.8/data data-remote People can then click on the bookmark in the file manager and connect to it. Since FF60 people can no longer save files for instance from their mailbox to these "mounted" locations. Before, when choosing "save as", the mounted ssh location would appear in the download window. I guess this is not a bug but something one can disable/enable in about:config. Many thanks for any advise on this. greetings, J.

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bad text under KDE and C7
by Michael Hennebry 23 Jul '18

23 Jul '18

I recently installed C7 from a C7+gnome CD. Gnome was awful enough that I promptly installed KDE. KDE is not doing so well either. Text in text editors invoked by "opening" a file is flakey at best. E.g. pieces disappear and duplicate. Terminals seem ok, including vim invoked from the terminal. Firefox text seems ok. The sidebar text in file-browser windows often has "black tape" over it, usually completely covering text. The file names are ok. Suggestions on how to dignose this? -- Michael hennebry(a)web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards

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K8
by Michael Pyle 22 Jul '18

22 Jul '18

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(no subject)
by Ramon Thomas 22 Jul '18

22 Jul '18

Hey

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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 21 Jul '18

21 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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Discuss July 2018