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Error: libusb-1.0.so.0 is needed....
by ken 15 Dec '14

15 Dec '14

Trying to install Canon printer driver package (rpm), I get a dependency error: libusb-1.0.so.0 is needed.... The version currently installed on my 5.9 system is libusb-0.1.12-6.el5 and, AFAIK (per yum), no upgrade to that is available. So question: Do higher centos versions have libusb-1.0.so ? (We could perform a quick inventory with: uname -r; rpm -q libusb Thanks.

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Howto install Centos6/7 Comcast WA/OR
by david 15 Dec '14

15 Dec '14

Has anyone managed to install a Centos6 or Centos7 in Washington or Orgegon, or anywhere else that Comcast has deployed the IPV6to4 routers. The router in question is a Xfinity DCP3939 Router with Wireless, and I'm trying to get a Centos system working behind that router (with a wired connection), and enable SSH access from outside. Does one have to enable both IPV6 and IPV4? Can I enable IPV6 after install, or do I have to restart the installation from scratch (it has Centos6 installed via an earlier IPV4 router). How does one configure the router so that its DHCP system awards a known address to that machine, and how to forward port 22? The extra problem is that I'm trying to advise the owner of this configuration remotely. Behind that same router he has a working Windows 7 machine, and I can use Team Viewer to view the router's configuration from "inside". Any assistance would be appreciated. Comcast is of no help. David

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Broadcom wireless card: installation script for Linux-STA driver
by Niki Kovacs 15 Dec '14

15 Dec '14

Hi, I just installed CentOS 6.6 on my HP Pavilion DM1 laptop. The wireless card is only poorly supported in the default setup, so I decided to write an installation script for the Linux-STA driver, which works perfectly. https://github.com/kikinovak/centos/blob/master/6.x/broadcom-sta/broadcom-s… Grab the files: # git clone https://github.com/kikinovak/centos Run the script: # cd centos/6.x/broadcom-sta # broadcom-sta.sh Reboot and you're ready to go. Cheers, Niki -- Microlinux - Solutions informatiques 100% Linux et logiciels libres 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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bug report and resolved patch for remove_hrtimer in CentOS 6.x
by Jia He 14 Dec '14

14 Dec '14

Hi, I happened to meet with a similar issue like https://bugs.centos.org/view.php?id=7051 I found the root cause might be fixed by commit f13d4f979c518119bba5439dd2364d76d31dcd3f. The commit in branch linux-2.6.32-y is 0bd9ac380a44611e953b1657d7f54075b2f77fb0 This issue is existed in centOS 6.6 also any ideas

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Remote Git vs. GNOME on CentOS 6.6: cannot open display
by Niki Kovacs 13 Dec '14

13 Dec '14

Hi, I just installed a fresh CentOS 6.6 desktop. It's a client's machine, it is physically installed on a testbench in my office. Usually, when I perform installations, I start with the base system on the testbench, and once networking is configured, I SSH into it and then do all the fine-tuning remotely. My configuration files, scripts and HOWTOs are all stored in a Github repository. The problem I have with the default configuration of Git under CentOS is that GNOME "hijacks" Git's authentication process. Meaning whenever Git asks for credentials, this happens in a very ugly authentication window. But the real problem is in a remote session, where I can't use Git anymore. Here's what I get: [root@optiplex-330 ~]# git clone https://kikinovak@github.com/kikinovak/centos Initialized empty Git repository in /root/centos/.git/ (gnome-ssh-askpass:2440): Gtk-WARNING **: cannot open display: Anyone knows how to stop this annoying behavior? I'm typing these lines on a Slackware64 14.1 + KDE installation, and when I use Git on this machine, credentials are always asked for in the terminal itself, not in a GUI popup. Cheers, Niki -- Microlinux - Solutions informatiques 100% Linux et logiciels libres 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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AV on usb
by Rajagopal Swaminathan 13 Dec '14

13 Dec '14

Greetings. Could be a anybody please would be kind enough enough to point to USB burnable iso image(or the soit). . Regards, Rajagopal

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Centos 7 how to make second disk of RAID1 bootable
by Jeff Boyce 12 Dec '14

12 Dec '14

Greetings - Ok, I have my CentOS 7 KVM host system installed and I want to be able to boot the system from either installed drive if one of them fails. My objective is to have the following layout for the two 3 TB disks. sda1 /boot/efi sda2 /boot sda3 RAID1 with sdb3 sdb1 /boot/efi sdb2 /boot sdb3 RAID1 with sda3 The system is installed and boots from sda[1,2] and md127 (sda3 and sdb3). sdb[1,2] were untouched during the installation, and had been partitioned as FAT32 prior to the installation exactly the same as sda[1,2] using GParted. A GPT partition table was added to both disks before partitioning. The current partition information for my two drives is: Disk /dev/sda: 5860533168 sectors, 2.7 TiB Logical sector size: 512 bytes Disk identifier (GUID): 0C26A36C-3857-4E97-85CC-2D4E57F4015A Partition table holds up to 128 entries First usable sector is 34, last usable sector is 5860533134 Partitions will be aligned on 2048-sector boundaries Total free space is 2925 sectors (1.4 MiB) Number Start (sector) End (sector) Size Code Name 1 2048 1026047 500.0 MiB EF00 EFI System Partition 2 1026048 2050047 500.0 MiB 0700 3 2050048 5860532223 2.7 TiB FD00 Disk /dev/sdb: 5860533168 sectors, 2.7 TiB Logical sector size: 512 bytes Disk identifier (GUID): A3F0F6C1-A395-4A24-8940-BDE803E5D073 Partition table holds up to 128 entries First usable sector is 34, last usable sector is 5860533134 Partitions will be aligned on 2048-sector boundaries Total free space is 2925 sectors (1.4 MiB) Number Start (sector) End (sector) Size Code Name 1 2048 1026047 500.0 MiB 0700 2 1026048 2050047 500.0 MiB 0700 3 2050048 5860532223 2.7 TiB FD00 sda1 and sda2 were reformatted during installation; with sda1 showing in GParted now as FAT16 and a boot flag, and sda2 showing as XFS without a boot flag. sdb[1,2] still show as FAT32 and have no files on them. What is the simplest and least error-prone way to make my second drive (sdb) bootable if the first drive (sda) were to fail? I have done a lot of Googling over the last few days to try and understand what needs to be done, and almost everything I find is outdated in that it does not reference using grub2, and does not reference UEFI booting. I am open to reading more how-to's if someone knows of a good one that I may have missed in the 50 plus guides I have looked at. I suspect that this is really not that difficult, but the detail that I need seems to be missing in what I have read. Any responses may cc me directly as I only get the daily digest. Thanks. Jeff Boyce Meridian Environmental

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HOWTO Stratum 1 NTP server under CentOS 7
by xaos 12 Dec '14

12 Dec '14

Hello everyone, If anyone is interested, I have created a HOWTO on running a Motorola GPS receiver connected to a CentOS 7 box via serial port (com1), with 1PPS over DCD. The trick here is that CentOS 7 uses systemd and setup was a bit different. Anyway, everything works. The result is a highly accurate NTP server, Stratum 1. Here is the documentation. http://www.maximaphysics.com/Centos_7_GPS_Setup.html Let me know if something does not look right. -George, N2FGX

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httpd listening only on IPv6 interface on CentOS 7
by Warren Young 12 Dec '14

12 Dec '14

I’ve held off reporting this since I thought it might just be some kind of fluke, but I’ve seen it now on three different boxes. The symptom is that the stock configuration of Apache only listens for IPv6 connections: $ netstat -na | grep :80.*LISTEN tcp6 0 0 :::80 :::* LISTEN You should see a second line there for IPv4, but you don't: tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN The stock httpd.conf file just says “Listen 80” which is documented as listening on both IPv4 and IPv6. [1] You’re supposed to need to go out of your way to get it to listen on just one or the other, but somehow CentOS 7’s Apache manages it. Since I only need IPv4, I’ve managed to hack it into working by changing that line in /etc/httpd/conf/httpd.conf to: Listen 0.0.0.0:80 Why do I need to do this? [1] https://httpd.apache.org/docs/2.4/mod/mpm_common.html#listen

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More avc's wrt to email
by James B. Byrne 12 Dec '14

12 Dec '14

CentOS-6.6 Postfix-2.11.1 (local) ClamAV-0.98.5 (epel) Amavisd-new-2.9.1 (epel) opendkim-2.9.0 (centos) pypolicyd-spf-1.3.1 (epel) Is there something going on in selinuxland with respect to clamav, amavisd-new and postfix? Since the most recent update of clamav I seem to be detecting more avc's. It may be that it is because I am looking for them more frequently but it seems to me that something has happened external to my control. The most recent things I see are these: audit2allow -l -a #============= amavis_t ============== allow amavis_t sysfs_t:dir read; allow amavis_t sysfs_t:file open; #============= clamscan_t ============== #!!!! The source type 'clamscan_t' can write to a 'dir' of the following types: # clamscan_tmp_t, clamd_var_lib_t, tmp_t, root_t allow clamscan_t amavis_spool_t:dir write; #============= postfix_smtp_t ============== allow postfix_smtp_t postfix_spool_maildrop_t:file open; #============= spamd_t ============== allow spamd_t etc_runtime_t:file append; Is there anything wrong with just creating a local policy module for these and loading it? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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