users March 2017

users@lists.fedoraproject.org

110 participants
87 discussions

Running local SSH as background process - possible??
by bruce 04 Oct '17

04 Oct '17

Ok guys, I know this isn't strictly "Fed" related, but the group might have suggestions. My use case, the process has a number of remote servers. I'd like to be able to run a bunch of commands on the remote servers as fast as posible. The initial thought was to loop through the different IPAddresses, and SSH into each server, to run the commands. However, this process was still "sequential" in that each SSH session needs to complete, prior to running the next server/ssh command. So, my question/need -- is to figure out how to run a ssh as a background on the local server. This approach would/should allow the process to quickly fire off commands to the remote ipaddresses/servers in a much faster/parallel manner. sortof: foreach iplist as ipaddress ssh user1@ipaddress command & (assuming that the '&' runs the local ssh in the background -- it doesn't!) Running "stuff" on the remote can occur in a "Screen" session, which would allow the ssh process to fire off the remote cmd, but it still doesn't run the local ssh as a "background" process.. Rick has mentioned/discussed the "Screen" function in past threads. Thoughts/comments....

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Error building mkvtoolnix-9.6.0-1.fc26.src.rpm
by JD 30 Sep '17

30 Sep '17

$ rpmbuild -v -bb mkvtoolnix.spec 2>&1 | tee mkvtoolnix.build.out . . . WARNING: unable to read lib/avilib-0.6.10/avilib.c: invalid byte sequence in US-ASCII WARNING: unable to read lib/avilib-0.6.10/avimisc.c: invalid byte sequence in US-ASCII WARNING: unable to read src/common/checksums/adler32.cpp: invalid byte sequence in US-ASCII WARNING: unable to read src/common/checksums/base.cpp: invalid byte sequence in US-ASCII WARNING: unable to read src/common/checksums/crc.cpp: invalid byte sequence in US-ASCII WARNING: unable to read src/common/checksums/md5.cpp: invalid byte sequence in US-ASCII WARNING: unable to read src/common/spu.cpp: invalid byte sequence in US-ASCII . . . At end of build, it belched g++ -Wall -Wno-comment -Wfatal-errors -Wlogical-op -D_FILE_OFFSET_BITS=64 -DMTX_LOCALE_DIR=\"/usr/share/locale\" -DMTX_PKG_DATA_DIR=\"/usr/share/mkvtoolnix\" -DMTX_DOC_DIR=\"/usr/share/doc/mkvtoolnix\" -fstack-protector -fPIC -std=gnu++11 -Wnon-virtual-dtor -Woverloaded-virtual -Wextra -Wno-missing-field-initializers -Wno-maybe-uninitialized -I/usr/include/qt5/QtWidgets -I/usr/include/qt5 -I/usr/include/qt5/QtGui -I/usr/include/qt5 -I/usr/include/qt5/QtNetwork -I/usr/include/qt5 -I/usr/include/qt5/QtCore -I/usr/include/qt5 -I/usr/include -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -include src/common/common_pch.h -I. -Ilib -Ilib/avilib-0.6.10 -Isrc -c -MMD -MF ./rake.d/dependency.d/tmp/src_common_json_o.d -o src/common/json.o -x c++ src/common/json.cpp In file included from src/common/json.cpp:19:0: src/common/json.h:23:76: error: 'nlohmann::json<std::map, std::vector, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long int, double, std::allocator>::parser_callback_t' has not been declared nlohmann::json parse(nlohmann::json::string_t const &data, nlohmann::json::parser_callback_t callback = nullptr); ^ compilation terminated due to -Wfatal-errors.

3 7

Openvpn start fails on reboot
by Stephen Davies 24 Sep '17

24 Sep '17

If I reboot my F24 system, openvpn server fails to properly start but a subsequent manual systemctl start openvpn@server does succeed. The reboot log shows: Mar 5 11:52:51 mustang audit: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=openvpn@server comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Mar 5 11:52:51 mustang systemd: Started OpenVPN Robust And Highly Flexible Tunneling Application On server. Mar 5 11:52:51 mustang audit: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=openvpn@server comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Mar 5 11:52:53 mustang systemd: openvpn(a)server.service: Main process exited, code=exited, status=1/FAILURE Mar 5 11:52:53 mustang systemd: openvpn(a)server.service: Unit entered failed state. Mar 5 11:52:53 mustang audit: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=openvpn@server comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed' Mar 5 11:52:53 mustang systemd: openvpn(a)server.service: Failed with result 'exit-code'. It looks as if the automatic start may be happening too early in the boot process.

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Scriptlet errors during manual installation of Fedora 23
by Andrej Podzimek 29 May '17

29 May '17

Hi, Because Anaconda doesn't support my usual partitioning scheme (root on Btrfs in LVM in LUKS in LVM in GPT, /boot on Btrfs, etc.), I created the entire layout manually and tried to install Fedora using dnf. The same layout works perfectly fine in ArchLinux. I basically followed this howto, with adjustments for s/yum/dnf/ and for EFI/GPT: http://dustymabe.com/2014/05/29/manual-linux-installs-with-funky-storage-co… The initial filesystem installation (dnf install -y --releasever=23 --installroot=/mnt/sysimage filesystem) already got a few glitches of this form: Non-fatal POSTIN scriptlet failure in rpm package filesystem This^^^ happened to roughly half of the installed packages. I tried to proceed with the rest (i.e., to install @core @standard kernel grub2 grub2-efi sihm grub2-tools), but it failed with scriptlet errors that prevented a few key packages from getting installed at all: error: %prein(selinux-policy-targeted-3.13.1-157.fc23.noarch) scriptlet failed, exit status 126 Error in PREIN scriptlet in rpm package selinux-policy-targeted Packages with those errors are reported as failed after the verify step. What I tried next: * setenforce 0 * upgrading the installation environment and/or the sysimage with dnf and rpm from rawhide * --releasever=22 instead of 23 * ...and checking for a few other common points with this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1270663 * a plain sysimage directory with no predefined Btrfs subvolumes in it * unmounting, remounting, checking that everything has seclabel on, no weirdness in dmesg, etc. Well, nothing of the above helped; the error is still the same. How can I diagnose this? Where can I dig out the exact reason why the scriptlets are failing? Provided that Anaconda actually does some steps that I'm missing and can carry out the installation correctly, is there a way to *force* it to just accept whatever is mounted into /mnt/sysimage at the moment, without trying to make sense of it? I'm pretty sure dracut can handle my partition layout just fine, so the entire issue here is about getting the basic installation done somehow. Theoretically I could create a simple-and-stupid layout that Anaconda can handle, proceed with the installation and reshuffle the partitions afterwards, but that's sooo cumbersome that I thought I'd first ask whether someone knows a workaround to the scriptlet problems. Cheers, Andrej

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F25, Electrum and Trezor
by Mark 18 May '17

18 May '17

Hi I'm testing Electrum on Fedora 25 and I'm missing the support for hardware wallet that Electrum is supposed to have. Do I need to install some additional package or has this feature been omitted? Cheers Mark

3 8

[F25] issue with SSL connexions: Failure of SSL transaction with
by Frédéric Bron 14 Apr '17

14 Apr '17

I often experience very slow internet surf. No idea where it comes from, just that it started when I switched from opensuse to F25. Today, I may have obtained a clue: I normally use firefox. Today I got the following issue: - searched in google for "python os.path" - clicked on the first linked https://docs.python.org/2/library/os.path.html - nothing happened (tried many times) - I removed all firefox cookies and cache -> same issue - I removed current firefox profile and created a new one -> same issue - I tried the search on a windows computer + firefox on the same internet connexion -> no issue - I did the same on fedora with konqueror -> no issue - again with konqueror -> got an error message: "Adresse : https://docs.python.org/2/library/os.path.html Protocole : https Date et heure : mercredi 22 mars 2017 16:47 Informations complémentaires : Échec de la négociation SSL avec docs.python.org" Which means: - again with konqueror -> error message: "Address: https://docs.python.org/2/library/os.path.html Protocol: https Date and time: Wednesday 22nd March 2017 16:47 Additionnal informations: Failure of SSL transaction with docs.python.org" I suspect that firefox has the same error but just does nothing. What does that mean? Frédéric

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System alive but can't access from the monitor
by Paolo Galtieri 06 Apr '17

06 Apr '17

Folks, I have 2 F25 systems that have been updated today. These 2 systems share a monitor. One system is attached via a kvm switch to the monitor, the other system is attached via hdmi. This morning and twice this evening a problem has started to manifest itself. This configuration has been working fine for several years. I will call the systems A and B, system A is attached to the monitor via hdmi, system B via VGA. If I switch to system A for a while and then try to switch back to system B the monitor instead of staying on VGA cycles from VGA to DVI to HDMI and returns to system A. I can ssh into system B and everything looks fine, i.e. things that were running under my user id are still running, e.g. chrome and firefox. I looked at /var/log/messages and I see this: Mar 29 23:00:02 jackstraw systemd: Stopping User Manager for UID 0... Mar 29 23:00:02 jackstraw systemd: Stopped target Default. Mar 29 23:00:02 jackstraw systemd: Stopped target Basic System. Mar 29 23:00:02 jackstraw systemd: Stopped target Sockets. Mar 29 23:00:02 jackstraw systemd: Closed D-Bus User Message Bus Socket. Mar 29 23:00:02 jackstraw systemd: Stopped target Timers. Mar 29 23:00:02 jackstraw systemd: Stopped target Paths. Mar 29 23:00:02 jackstraw systemd: Reached target Shutdown. Mar 29 23:00:02 jackstraw systemd: Starting Exit the Session... Mar 29 23:00:02 jackstraw systemd: Received SIGRTMIN+24 from PID 17588 (kill). This was at the time I switched from system A to system B. Each of the other times I saw this problem I see the same set of messages in the log file. Can someone explain what they mean and could they be the cause of the problem? I see the same messages on the other system, but there they were part of other messages related to rebooting the system. The only way I can recover is reboot the system. Here's my video card info: 01:00.0 VGA compatible controller: NVIDIA Corporation G86 [GeForce 8500 GT] (rev a1) Any assistance is appreciated. Thanks, Paolo

5 11

F25 + Killer 1535 @ 1mb/s
by InvalidPath 05 Apr '17

05 Apr '17

Fellas, I noticed today, while finally getting to use the Fedora side of my work laptop, that my wifi is running at 1MB/s on d Dell XPS 13 9550. According to Dell this model has the Killer AC 1535 wireless chipset so possibly just a driver issue? ➜ .ssh iwconfig wlp2s0 IEEE 802.11 ESSID:"waffle_house" Mode:Managed Frequency:2.447 GHz Access Point: C0:56:27:C4:77:BC Bit Rate=1 Mb/s Tx-Power=20 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=58/70 Signal level=-52 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:285 Invalid misc:1819 Missed beacon:0 lo no wireless extensions. virbr0-nic no wireless extensions. macvtap0 no wireless extensions. virbr0 no wireless extensions. vnet0 no wireless extensions. 02:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) Attached is wireless-info.txt, generated from: wget -N -t 5 -T 10 https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info && chmod +x wireless-info && ./wireless-info Found via: https://forums.linuxmint.com/viewtopic.php?t=217258 (Yes I know Mint.. the results for later version of Fedora were severely lacking) Whats odd is that I Put F25 on the wifes Lenovo just Sunday night to resolve this exact issue. Thanks!

3 4

Kernel errors
by ProPAAS DBA 31 Mar '17

31 Mar '17

Hi All; I'm running Fedora 25, KDE spin on a Lenovo Thinkpad X1 Carbon 4th gen. I'm seeing errors like this on a pretty regular basis: 08:40:46 ... kernel:mce: [Hardware Error]: CPU 2: Machine Check: 0 Bank 128: 0000000088282803 Message from syslogd@F25Host at Mar 31 08:40:46 ... Any thoughts on what this might be? Do I need to start shopping for a new machine? Thanks in advance...

3 2

Not able to launch mediawriter
by Lawrence E Graves 31 Mar '17

31 Mar '17

[root@Jehovah ~]# mediawriter Warning: QQmlApplicationEngine failed to load component ((null):0, (null)) Warning: qrc:/main.qml:22 module "QtQuick.Controls.Styles" is not installed qrc:/main.qml:24 module "QtQuick.Dialogs" is not installed qrc:/main.qml:21 module "QtQuick.Controls" is not installed qrc:/main.qml:22 module "QtQuick.Controls.Styles" is not installed qrc:/main.qml:24 module "QtQuick.Dialogs" is not installed qrc:/main.qml:21 module "QtQuick.Controls" is not installed qrc:/main.qml:22 module "QtQuick.Controls.Styles" is not installed qrc:/main.qml:24 module "QtQuick.Dialogs" is not installed qrc:/main.qml:21 module "QtQuick.Controls" is not installed ((null):0, (null)) I am running Fedora 25. What to do? -- All things are workable but don't all things work. Prov. 3:5 & 6

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