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epel-repository | repomd.xml.asc: [Errno 14] HTTP Error 404
by Stefanie Leisestreichler 18 Apr '19

18 Apr '19

Hi. I try to install openvpn at my centos 7 server (CentOS Linux release 7.6.1810 (Core)). According to many tutorials at the internet, I was using yum install epel-release -y to enable the repo. When (after installing epel-release) I try to install openvpn using yum install openvpn -y I get this error: Geladene Plugins: fastestmirror Loading mirror speeds from cached hostfile epel/x86_64/metalink | 30 kB 00:00:00 * base: mirror.fra10.de.leaseweb.net * epel: ftp-stud.hs-esslingen.de * extras: ftp.rz.uni-frankfurt.de * updates: centos.schlundtech.de base/7/x86_64/signature | 811 B 00:00:00 base/7/x86_64/signature | 3.6 kB 00:00:00 !!! https://mirror.imt-systems.com/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found Anderer Spiegelserver wird versucht. Ater that I get a lot of these errors, all with the same signature: https://ftp-stud.hs-esslingen.de/pub/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found Anderer Spiegelserver wird versucht. http://ftp.uni-stuttgart.de/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTP Error 404 - Not Found Anderer Spiegelserver wird versucht. https://mirror.infonline.de/epel/7/x86_64/repodata/repomd.xml.asc: [Errno 14] HTTPS Error 404 - Not Found .... What am I doing wrong? Thanks, Steffi

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CentOS-announce Digest, Vol 170, Issue 4
by centos-announce-request＠centos.org 18 Apr '19

18 Apr '19

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. CESA-2019:0230 Important CentOS 7 polkit Security Update (Johnny Hughes) 2. Re: CESA-2019:0230 Important CentOS 7 polkit Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 17 Apr 2019 16:57:13 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2019:0230 Important CentOS 7 polkit Security Update Message-ID: <20190417165713.GA30467(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2019:0230 Important Upstream details at : https://access.redhat.com/errata/RHSA-2019:0230 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 491b63a51365bb112538c3cc527cc9a0f9cbb8599989268b2367a88b6923e39d polkit-0.112-18.el7_6.1.i686.rpm a847baf6b52f85897d12a9111765df56d69af9e92f092083134832b9186371d6 polkit-0.112-18.el7_6.1.x86_64.rpm e012155542a18b3c326f39372ba039fb108af61a24711075fc979874ec8c01e4 polkit-devel-0.112-18.el7_6.1.i686.rpm e7e670fa0256c56e3a640880775782cb229e21f55e4dfd548c4020d264eea511 polkit-devel-0.112-18.el7_6.1.x86_64.rpm 189908a7b5e0ff1eee3be91743be7656d685c5fea09b0e772e479a438130030b polkit-docs-0.112-18.el7_6.1.noarch.rpm Source: 2d98bec0bdf9dad1bb7d4a430177d967b8c633cf6750fb51ea2f16069f276ebc polkit-0.112-18.el7_6.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Wed, 17 Apr 2019 12:03:01 -0500 From: Johnny Hughes <mailing-lists(a)hughesjr.com> To: centos-announce(a)centos.org Subject: Re: [CentOS-announce] CESA-2019:0230 Important CentOS 7 polkit Security Update Message-ID: <85d69cc8-8870-601f-ce10-7b0caf50d20b(a)hughesjr.com> Content-Type: text/plain; charset="utf-8" Please Note: This is a reissue of this notice with updated sha256sums as the original release had drpm and metadata issues and we had to re-sign and re-release the original RPMs to get the drpms to work correctly. Thanks, Johnny Hughes On 4/17/19 11:57 AM, Johnny Hughes wrote: > > CentOS Errata and Security Advisory 2019:0230 Important > > Upstream details at : https://access.redhat.com/errata/RHSA-2019:0230 > > The following updated files have been uploaded and are currently > syncing to the mirrors: ( sha256sum Filename ) > > x86_64: > 491b63a51365bb112538c3cc527cc9a0f9cbb8599989268b2367a88b6923e39d polkit-0.112-18.el7_6.1.i686.rpm > a847baf6b52f85897d12a9111765df56d69af9e92f092083134832b9186371d6 polkit-0.112-18.el7_6.1.x86_64.rpm > e012155542a18b3c326f39372ba039fb108af61a24711075fc979874ec8c01e4 polkit-devel-0.112-18.el7_6.1.i686.rpm > e7e670fa0256c56e3a640880775782cb229e21f55e4dfd548c4020d264eea511 polkit-devel-0.112-18.el7_6.1.x86_64.rpm > 189908a7b5e0ff1eee3be91743be7656d685c5fea09b0e772e479a438130030b polkit-docs-0.112-18.el7_6.1.noarch.rpm > > Source: > 2d98bec0bdf9dad1bb7d4a430177d967b8c633cf6750fb51ea2f16069f276ebc polkit-0.112-18.el7_6.1.src.rpm > > >

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yum groupinstall "GNOME Desktop" fails
by Warren Young 17 Apr '19

17 Apr '19

I’ve got a CentOS 7 VM here that was installed with one of the CLI-only presets. To answer a question in another thread here, I wanted to install a GNOME desktop environment in it, so I went searching and found the standard instructions for doing that. The problem is that rebooting the VM gives me a black screen after it finishes the text booting parts. There’s an X cursor, and wiggling the mouse moves it, but I get no gray login screen. Pressing Ctrl-Alt-F2 and logging into a text console works. Saying “startx” brings X back up again — indicating that it does find the proper X drivers and such — but now I get just a few default icons on the desktop, but no top and bottom toolbars: https://imgur.com/IMI9Gh9 So, the GNOME shell is also broken. I’ve repeated the yum groupinstalls for “GNOME Desktop”, “Server with GUI” and “Graphical Administration Tools.” yum claims everything is fine. Short of installing another VM with a GUI enabled from the start, I’m stuck. For what it’s worth, the VM system is Parallels, and I do have the Parallels Tools installed. The same symptoms occur when booting into single-user mode and trying to startx from there.

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FYI: C 7, broken cron, sort of SOLVED
by mark 17 Apr '19

17 Apr '19

I was fighting this a few weeks ago, and asking here. I *finally* solved it yesterday... and the answer isn't pleasant. Running the command authconfig --enablesssd --enablesssdauth --enablesmartcard --smartcardmodule=sssd --smartcardaction=0 --updateall breaks crond, as per bugzilla # Bug 1650314. The way that it breaks it is to insert into /etc/pam.d/password-auth-ac two lines reading auth required pam_deny.so one as the third line in the auth stanza, so: auth required pam_env.so auth required pam_faildelay.so delay=2000000 auth required pam_deny.so auth [default=1 ignore=ignore success=ok] pam_succeed_if.so uid >= 1000 quiet auth [default=1 ignore=ignore success=ok] pam_localuser.so auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 1000 quiet_success <...> and the other where it belongs, as the last auth line. This is clearly a bug in the code, as pam_deny.so should ONLY be the *last* line in the auth stanza. We've replicated this on an RHEL workstation, and then put a ticket in. The... odd reply (so far) was that they weren't going to fix it in the 7.7 errata, and to use authselect in 8.0 (which is only a beta release). We're going to escalate this. In the meantime, if anyone has run into this, delete that auth required pam_deny.so that's in the middle of the auth stanza in /etc/pam.d/password-auth-ac, it should *only* be at the end of the auth stanza, and everything will work correctly. mark

1 0

A strange situation with MegaCli64 and smartctl
by mark 17 Apr '19

17 Apr '19

We have a system - it's C 7 - that a while back lost three drives of a large array. The other admin here replaced the failed drives, but never went through the MegaRAID replace series of commands. I've just brought it back up and put a new filesystem on it, but here's what's odd: if I do smartctl -a -d megaraid,x /dev/sda, where x=drive number, for all the other drives, I get smart info. For those three, I get Smartctl open device: /dev/sda [megaraid_disk_11] failed: INQUIRY failed However, if I run any commend with MegaCli64, it sees the drives fine. It's as though smartctl has cached some info, somewhere.... Any thoughts? NOTE: after a good bit of searching online, I found someone's cmts that on *some* cards, the drive number starts at 8. Oh, and when I tried that, I got "enclosure", and the actual drives show at 9.... mark

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how to install Xorg X11 libXss runtime library
by qw 17 Apr '19

17 Apr '19

Hi, I try to install vtune on centos7, which shows the following message: Xorg X11 libXss runtime library is not found. 'Graphical user interface' component of VTune Amplifier cannot be installed. The install program cannot detect the Xorg X11 libXss runtime library required by the graphical user interface of the product. Contact your system administrator to install the library or install the product on a compliant system. Otherwise, go back and unselect 'Graphical user interface' component. How to install Xorg X11 libXss runtime library? Thanks! Regards Andrew

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CentOS-announce Digest, Vol 170, Issue 3
by centos-announce-request＠centos.org 17 Apr '19

17 Apr '19

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CVE-2019-0211 CentOS SCL httpd24 patches
by Vesselin Markov 16 Apr '19

16 Apr '19

Hi folks, On April 11th 2019 RedHat has responded to httpd: privilege escalation from modules scripts (CVE-2019-0211) mod_auth_mellon: authentication bypass in ECP flow (CVE-2019-3878) building a patched Apache http24 version for Software Collections - https://access.redhat.com/errata/RHSA-2019:0746 When can we expect this will be done for the SCL CentOS 7? Regards, Vesselin

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Outliner
by H 16 Apr '19

16 Apr '19

I would love to find an old-fashioned outliner, like the ones that used to exist prior to the modern GUIs. It would make writing structured documents, or organizing thoughts in general, so much more convenient, productive and faster. Ideally it should allow saving files in txt, OO and markdown formats... Does anything like this exist that can run in a terminal window under Centos??

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No ack packet for tcp SYN with window scale of 64
by yf chu 16 Apr '19

16 Apr '19

I have found a very strange problem. We found that the time of establishing the websocket connection between mobile phone and server was too long. Then I use tcpdump to capture the data and found that the problem maybe has something to do with window scale option in SYN packet. Here is the SYN packet for websocket connection: 55488 → 443 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 WS=64 TSval=570815281 TSecr=0 SACK_PERM=1 But the server did not respond with ack. Then several retransmissions of SYN occured. Finally, the client sent a retransmission of SYN: 55488 → 443 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1 Then the server responded with ack. I also captured other data of HTTP connection and found that the window scale option in SYN packet for HTTP connection is "WS=128". No retransmission occurs in the handshake for HTTP connection. So I just want to know the reason for it. The OS on our server is CentOS release 6.7. The version of kernel is 2.6.32-573.el6.x86_64. By the way, I have also tested websocket connection in centos 5, but no such a problem occured.

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