users February 2015

users@lists.fedoraproject.org

139 participants
172 discussions

You would like this one on Amazon
by Mickey 25 Feb '15

25 Feb '15

I know this is off topic, But it is to good to pass up. http://www.amazon.com/exec/obidos/ASIN/067232721X/ref%3Dpe_snp_21X/104-7269…

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Network printer out of ink weirdness
by Jim Lewis 24 Feb '15

24 Feb '15

Hi everyone, I have already found a solution to the problem I am about to discuss, I am just posting this in case it can help someone else. I am also wondering if there was a better way in case I missed it. I have a Fedora 14 desktop, an F20 laptop, and 2 F21 laptops. All run wireless except for the desktop. All all 64-bit. I have a wired network connected Epson WF-2540 printer, using the Foundation driver epson-inkjet-printer-201211w-1.0.0-1lsb3.2.x86_64.rpm. I can print and scan from any machine without issues (well, thanks to some previous help from this forum). The other day the printer said it was low on ink. It would still print (and look fine) so I kept using it. Maybe that was a bad idea? It eventually said it was out of ink (black) and refused to print anything else. Fine, I put it in Replace Cartridge mode and replaced it. I first tried my F14 desktop system since I use it for most everything. The printer icon still had the warning emblem on it and would not print anything. In system-config-printer I fiddled with the Enable button and eventually got it working again. Okay, fine, so I do the same with my F21 systems. They work as well. Now comes the fun part: I do the same with my F20 laptop but it refuses to print anything, I then realize it can't even ping it. All of the other machines can ping (192.168.1.10) but not F20. F20 can ping everything else, and is on the Net. I close down and then reactivate the wireless interface, no good. I reboot, which I despise doing, no help (this really pissed me off). I look at the router, no help there. I do an strace on ping and get this at the bottom: ioctl(1, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TIOCGWINSZ, {ws_row=33, ws_col=118, ws_xpixel=0, ws_ypixel=0}) = 0 sendmsg(3, {msg_name(16)={sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("192.168.1.10")}, msg_iov(1)=[{"\10\0\34\377\16P\0\1\310 \351T\0\0\0\0Vg\6\0\0\0\0\0\20\21\22\23\24\25\26\27"..., 64}], msg_controllen=0, msg_flags=0}, 0) = 64 recvmsg(3, 0x7fff53ff24e0, 0) = -1 EAGAIN (Resource temporarily unavailable) It will do this forever. I tried traceroute but it just returns the asterisks as expected. So, what happened here? Is this a bug somewhere or did I miss something (again)? Or maybe this was corrected in F21. I was able to get around this problem by switching to the wired interface. It could now ping the printer, and then I could fiddle with the Enable setting (system-config-printer) to get it going again. After a few test pages I then switched back to wireless and that is now also working fine. What did I miss? I did not do anything to the printer during this time. Jim Lewis

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How to change display resolution after installing proprietary NVidia drivers?
by Paul Smith 24 Feb '15

24 Feb '15

Dear All, I have install NVIDIA propriety drivers on Fedora 21. And now I need to change the display resolution. How can I do that? Thanks in advance, Paul

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What happened to the leading edge?
by Tom Horsley 24 Feb '15

24 Feb '15

I thought Fedora tried to stay up to date with latest released software? I just tried to build FreeCAD 0.15 from git, but it needs Coin3, and fedora only has Coin2. Earlier I tried to run RepetierHost 1.0.6, but it needs Mono 3.2, also missing in fedora. What happened to that pioneering spirit? :-).

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fedora netinstall
by François Patte 24 Feb '15

24 Feb '15

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Bonjour, I can read on this page: http://docs.fedoraproject.org/en-US/Fedora/21/html/Installation_Guide/chap-… <quote> netinstall Image The netinstall image boots directly into the installation environment, and uses the online Fedora package repositories as the installation source. With a netinstall image, you can select a wide variety of packages to create a customized installation of Fedora. The Fedora Server netinstall image is a universal one, and can be used to install any Fedora flavor or your own set of favorite packages. </quote> No link is provided.... So what poor people like me can do? Thanks for any light. - -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)1 8394 5849 http://www.math-info.univ-paris5.fr/~patte -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlTrrWUACgkQdE6C2dhV2JVIMgCgov4RNDS1O17cdsXyW4lDNjpQ N1IAoKbtQ9JK/C3Ny7TuL+KWoQTLAAXq =GM2r -----END PGP SIGNATURE-----

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filesystem errors
by Andras Simon 24 Feb '15

24 Feb '15

Recently, I noticed messages like the following on two laptops with very different hardware, but both running Fedora 21, updated daily: /var/log/messages-20150216:Feb 12 18:47:36 lenov kernel: [181055.262390] EXT4-fs error (device sda3): __ext4_new_inode:1010: comm NetworkManager: failed to insert inode 262402: doubly allocated? /var/log/messages-20150224:Feb 23 21:54:30 lenov kernel: [510707.869736] EXT4-fs error (device sda3): ext4_mb_generate_buddy:757: group 34, block bitmap and bg descriptor inconsistent: 15366 vs 15373 free clusters On both machines, the affected partition is the root partition. The problem is bad enough that it needs an fsck from a rescue disk. smartctl -a /dev/sda doesn't signal any error, but the disks failing on different machines simultaneously is unlikely anyway, especially that this happened sometime in January, too, also with the same laptops, also roughly at the same time. I don't know if this is relevant, but both laptops are hibernated usually. Has anyone else noticed something like this? Andras

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libaugeas0 equivalent on Fedora
by Aaron Gray 24 Feb '15

24 Feb '15

Hi, I am using F20 and am wondering if there is an equivalent to Debian's libaugeas0 or libaugeas ? Or whether I have to build it for myself ? Many thanks in advance, Aaron

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Replacing Fedora Postgresql with non-Fedora version?
by Stuart McGraw 23 Feb '15

23 Feb '15

Hello all, I'm doing a new install of Fedora 21 and migrating apps and services from my old Fedora 15 machine to it. I've run into the following problem... I have Postgresql-9.3 installed from the Fedora 21 yum repo in order to satisfy any packages that need postgresql. But I need to run Postgresql-9.4 so I disabled the yum postgresql startup via systemd and installed the EDB version of 9.4 into /opt/postgresql [*]. To make the 9.4 one the "system" version, I did two things 1) Replaced the postgresql-9.3 executables in /bin/ with symlinks to their counterparts in /opt/postgresql/bin/. 2) Added a file to /etc/ld.so.d that adds /opt/postgresql/lib to the load library cache and ran ldconfig. That seems to work well, I can run all the Postgresql tools and everything seems to work correctly, I get the expected 9.4 versions of the tools, etc. Except... 1) It breaks openldap. Apparently one of the libraries in /opt/postgresql/lib is also used by openldap and is not compatible. When trying to start the openldap server: slapd: symbol lookup error: slapcat: undefined symbol: ber_sockbuf_io_udp 2) Some programs still don't work. For example, a simple python cgi script using the psycopg2 module to talk to the database and run under Apache-2.4 that claims it can't find the postgresql socket "/tmp/.s.PGSQL.5432" even though the socket does exist: ~$ ls -l /tmp/.s.P* srwxrwxrwx 1 postgres postgres 0 Feb 15 15:10 /tmp/.s.PGSQL.5432= -rw------- 1 postgres postgres 46 Feb 15 15:10 /tmp/.s.PGSQL.5432.lock It runs fine interactively in a shell. Any suggestions on how to fix the above two problems or general advice of replacing a yum-installed service with an outside one? I don't want to run two separate (9.3 and 9.4) servers or to run the 9.4 server on a non-standard port, etc -- I really want anything that uses postgresql to talk to my 9.4 server by default. ---- [*] http://www.enterprisedb.com/products-services-training/pgdownload I know about the pgdg repository but that installs postgresql directly under /usr/ which I don't like, and support for it ends roughly when support for F21 ends and I want a solution that will still work even after F21's official EOL. I was able to use the EDB Postgresql 9.1, 9.2, 9.3 and 9.4 versions on F15 (shipped with 9.0) without any problems.

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Re: What constitutes a backup, was:F21 partitioning circus
by Chris Murphy 23 Feb '15

23 Feb '15

On Mon, Feb 23, 2015 at 4:06 PM, Andrew R Paterson <andy.paterson(a)ntlworld.com> wrote: > Hang on there Chris, (new thread really) > why do you think using a mirror as a backup is a bad idea? I'm not saying it's a bad idea. I'm just denying it's a backup. What you have is a degraded array on the shelf that's at best an incidental archive because it cannot be kept up to date. Once it's replaced, it can't be readded to the working array, and thus merely caught up. Plus, by default there isn't an internal bitmap. So what you're doing is either not keeping it updated, and thus not a backup; or it's being wiped out and rebuilt each time, in which case it's a slow monolithic backup that has no archive. This means any kind of corruption, filesystem or data, silent or otherwise, eventually replicates itself into all copies. So no, it's not a backup and it's not even a particularly good archive if it's subject to rotation. RAID1+ is not ever a backup, it is about improving availability (uptime) by mitigating a particular kind of device failure. Just because you can willfully instigate a faux-failure and shelve that actually OK member and call it a backup doesn't mean it's a backup. > As opposed to taking your box offline, and doing a level 0 backup to another > disk - you end up with a serial backup which must be parsed - I end up with a > filesystem that I can mount? Umm, why is an offline backup the only alternative? rsync can do online archive updates with -au. > To me this is one of the benefits of mirroring - I can mount one of my old > detached mirrors somewhere else and get at my old data. You can ro mount any rsync created backup and get at your old data also while having a low probability of compromising it. You can make this differential or incremental so they're fast. You can also optionally use checksum verification at the source and destination which would tend to expose silent data corruption at least in the data itself. > That's aside from the lower risk of losing the data in the first place. > I don't particularily need to archive data - just preserve it. What's the distinction? > I think you will find this idea is becoming more common these days. Yes so is skin cancer, what's your point? > So please give some good reasons for archive (backup) better than checkpoint > (detached mirror)?? For one, achive≠backup≠raid. For two, the backup needs to be on its own filesystem, and on a separate device. And this is an example of neither, because the fs is the same, and the logical block device is actually the same too. -- Chris Murphy

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Re: F21 partitioning circus
by Wade Hampton 23 Feb '15

23 Feb '15

[snip] This was a good thread and is tied in with my experience this weekend. I had a very old laptop with F13 that had not been booted in years. I tried to load F21 on it using the same partitions (and keeping the old Windows partitions). Anaconda more or less let me try but gave me a warning about /boot being below the RECOMMENDED size (not that it would not work). F21 installed without any indicated errors. However I got an OOPS on first boot. I was able to boot into the recovery partition and inspect the /boot. The initrd for normal boot was incomplete and the /boot was full. I did NOT receive an error on install. IMHO, this was a silent failure (bug reported). Yes, there are those of us who have done "interesting things" with our partitioning over the years. We would like to continue to be able to manually partition, manually setup RAID, and do similar things. Its definitely not good for the average user, but some of us need it. However, we should see errors when things fail.... Cheers, -- Wade Hampton

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