users November 2016

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151 participants
154 discussions

FTP on 32 bit machines not working?
by Michael D. Setzer II 21 Nov '16

21 Nov '16

I just noticed after the recent updates that ftp doesn't work on two of the 32 bit systems. Seems to be fine on the 64 bit machines?? The nf_conntrack seems to not be there at all. If I disable firewalld and actually add port 21 like the port 22 in the iptables the ftp connection works, otherwise I get no route to host?? +----------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor Guam Community College Computer Center mailto:mikes@kuentos.guam.net mailto:msetzerii@gmail.com Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +----------------------------------------------------------+ http://setiathome.berkeley.edu (Original) Number of Seti Units Returned: 19,471 Processing time: 32 years, 290 days, 12 hours, 58 minutes (Total Hours: 287,489) BOINC@HOME CREDITS ABC 16613838.513356 | EINSTEIN 120103112.288695 ROSETTA 52630912.921798 | SETI 95928248.603101

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clusterssh
by bruce 21 Nov '16

21 Nov '16

Hey Rick (and any others with thoughts!) Starting to fire up clusterSSH/cssh Couple of things.. 1) The app actually fires up sep xterm/term window sessions! So looking at X windows is going to take up space! might need a sep monitor! 2) I saw that the app has a "launcher" from the desktop/gnome.. anyway to change the user the app runs as? The ssh pub/priv keys are already set to the cloud/client systems to be user 'foo' 3) The base install didn't/doesn't have /etc/cluster for a config file.. Been looking, thought for certain there'd be a sample in github, haven't found one. -Any chance you want to post your config file? Also, I did see a chunk of a config file with a couple of lines one for each group.. If I want to have a bunch of client ssh servers in a group, can a group have multiple, servers on multiple lines?? Is there a delimiter? Thanks

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Recover from unintended dd
by Kalpa Welivitigoda 21 Nov '16

21 Nov '16

Hi all, I wanted to create a live install media from by flash drive using dd. Following is the command I used, sudo dd bs=4M if=Fedora-Live-Desktop-x86_64-19-1.iso of=/dev/sdc1 The sad part is /dev/sdc1 happened to be my external hard disk (I wanted to write the image to my flash disk), this was by mistake. Now I cannot access files in my external hard disk. My hard disk is 1TB and had only one partition. With this dd now it has two partitions (sdc1 and sdc2), following are the outputs of trying to mount them, $ sudo mount /dev/sdc1 abc/ mount: mount /dev/sdc1 on /tmp/abc failed: Structure needs cleaning $ sudo mount /dev/sdc2 abc/ mount: /dev/sdc2 is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/sdc2, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so. I googled for the issue and read that it is hard to recover. Have any of you experienced a similar situation and recovered? Any help/clue to get the hard disk recovered is highly appreciated. -- Best Regards, Kalpa Welivitigoda +94776509215 http://about.me/callkalpa

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fc23 python2-cryptography
by John Pilkington 21 Nov '16

21 Nov '16

yumex-dnf shows 1.5.3-3 as an update, but has errors in building the transaction. I don't have an earlier version installed. ? John P

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NPAPI Plugins and Firefox
by Stephen Morris 21 Nov '16

21 Nov '16

Hi, I'm currently using Nightly V53 of Firefox and a lot of the plugins provided by Fedora that I have installed Firefox refuses to use, this included the Gnome Shell Integration plugin. It appears that as of Firefox Release V52 onwards which appears to be scheduled for around the end of the year, support for the NPAPI code set is being dropped for everything except Flash, and Mozilla has indicated they will not budge from that timeline even though a Commercial Application Vendor has requested they delay the implementation until August/September 2017 so that they can change their applications. Is there any possibility that the plugins for this like the Gnome Shell Integration, Totem etc can be rewritten to remove their NPAPI usage? regards, Steve

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Racket & Fedora
by Gour 21 Nov '16

21 Nov '16

Hello, recently moved to Fedora and I’m a bit surprised that there is no package for Racket language. Found https://bugzilla.redhat.com/show_bug.cgi?id=1301219 and it seems nobody is workin on it, so wonder if any Racketeers can suggest recommend way to install/use Racket on Fedora (f25)? Sincerely, Gour -- The humble sages, by virtue of true knowledge, see with equal vision a learned and gentle brāhmana, a cow, an elephant, a dog and a dog-eater.

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How Do I Upgrade from Fedora Workstation 23 to 24?
by Turritopsis Dohrnii Teo 20 Nov '16

20 Nov '16

Dear Fedora Users, I have just downloaded and booted up the Fedora Workstation Live 24 DVD. It seems that there is no option to upgrade my existing Fedora Workstation 23 to 24. The only option appears to be fresh new installation in which I would lose all existing data. Please advise me on how I can achieve upgrade installation with Fedora Workstation 24 Live DVD. Thank you very much. Yours sincerely, Mr. Turritopsis Dohrnii Teo En Ming (Zhang Enming) @ Time Traveller Former old abandoned name: Mr. Teo En Ming (Zhang Enming) SINGAPORE CITIZEN Bachelor of Engineering (2nd Class Lower Honours) in Mechanical Engineering with Aeronautics and Astronautics Option (Graduated from National University of Singapore in December 2006) Diploma in Mechatronics Engineering with Merit (Graduated from Singapore Polytechnic in 1998) Currently learning CISCO Switches and Routers, CISCO Internetworking Operating System (IOS), Computer Networking, Network Operating Systems, Microsoft Windows Server 2012 R2, Active Directory, DNS Server and DHCP Server as a *hobby* at Singapore Polytechnic (information accurate as at 16 November 2016) Mobile Phone #1: +65-8692-1024 (M1 Mobile Postpaid) Mobile Phone #2: +65-8712-7323 (Singtel Mobile Prepaid) Email Address #1: teo.en.ming(a)gmail.com Email Address #2: turritopsis.dohrnii.teo(a)gmail.com Age: 38 years old 16th November 2016 Wednesday 11:25 AM Singapore Time *I am an entry level/junior/beginner Information Technology (IT) Specialist/Systems Engineer/Linux Server Administrator/Helpdesk Support/Computer Technician/Android Enthusiast available for hire anywhere in the world!!! Prospective employers, businesses and companies in any part of the world please feel free to contact me for my curriculum vitae/resume. I am also aspiring to be a network engineer. On-job-training (OJT) opportunities are greatly appreciated. Thank you very much.*

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/boot on btrfs
by Gour 20 Nov '16

20 Nov '16

Hello, I plan to put Fedora very soon on my desktop machine to replace Debian, but noticed that /boot on btrfs is not supported although, iirc, I was using the same setup under both openSUSE and Debian when using btrfs. At the moment I do use xfs/raid1, but considering to switch (back) to btrfs since simplifies setup having features of both lvm+raid. However, the need for separate /boot makes is a little cummbersome…there is one issue in regard: https://bugzilla.redhat.com/show_bug.cgi?id=864198 so wonder if there is possibility to have support for /boot on btrfs in f25? Sincerely, Gour -- A self-realized man has no purpose to fulfill in the discharge of his prescribed duties, nor has he any reason not to perform such work. Nor has he any need to depend on any other living being.

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centos 6.8 - time - digital ocean..
by bruce 19 Nov '16

19 Nov '16

Hey guys. I know most of the questions are fed based.. but I've got a centos 6.8 from digital ocean testing.. So, bear with me.. In setting up the instance to use EST I did the following steps. Is there anything else I missed... Change the date/time (as root) rm -rf /etc/localtime ln -s /usr/share/zoneinfo/America/New_York /etc/localtime ##--set the date to the correct date date -s 'actual/current date' vi /etc/sysconfig/clock ZONE="America/New_York" UTC=false ARC=false I then rebooted, checked that the date cmd displayed the correct date... I'm asking ,as I created a base instance of a Centos 6.8 image.. Digitalocean allows for the generation of "snapshots"/copies. The copies can then be used to generate a clone of the initial instance/droplet. I did all of that, and lo/behold, when I run the date cmd.. I get # date Sat Nov 19 21:45:43 EST 2016 <<< (note the 5 hr ahead diff.. which if i recall is the UTC time) Instead of # date Sat Nov 19 16:45:43 EST 2016 Thanks for the sanity check!

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ssh/screen -- cmdline vs php
by bruce 19 Nov '16

19 Nov '16

Hey guys.. I crafted a test php app to generate the test cmdline to ssh into the remote box, attach to the screen, and fire off the testApp... This works as expected from the cmdline... I su - crawl_user, then run the cmd, take a look on another term, that's set to the ipAddress. When I attach to the screen.. I see the app running.. Checking the procTbl shows the app running as well... However.... when I run the cmd from a test php... using backticks.. the remote ssh/screen/app isn't run... Any pointers on what I can look at to debug this.. the actual cmd that works on the cmdline:: ssh -t crawl_user(a)162.243.166.31 "screen -r crawlSession -X stuff '/crawl_tmp/startCollegeCrawl_test_bycol.php --crawlDir /crawl_tmp --nfsDir /cloud_nfs --nfsFetchDir /cloud_nfs_fetch --colName austincc_0'$(echo -ne '\015') " the test php that generates the above cmd... //--run the bycol for the college, using the ipAddress.. $scmd="ssh -t crawl_user@".$bycol_ip_list[$cnt].' "screen -r crawlSession -X stuff '; $scmd=$scmd."'/crawl_tmp/startCollegeCrawl_test_bycol.php --crawlDir /crawl_tmp "; $scmd=$scmd."--nfsDir /cloud_nfs --nfsFetchDir /cloud_nfs_fetch "; $scmd=$scmd."--colName ".$d."'$(echo -ne '\\015') ".'"'; print "bycol cmd .. ".$scmd."\n"; $scmd=`$scmd`; print " stop..bycol sleeping prior to starting..\n"; exit(); thanks....

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