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kickstart compat C7 -> C8
by Leon Fauster 09 May '19

09 May '19

Hi all, I still use the following kickstart partition scheme for C7 installations (via virt-install): Briefly, fixed size for /root and /boot, and the rest is filled up for /srv. The same kickstart (despite that c7 uses vda, f29 uses sda) doesn't work with Fedora29 (EL8). I get a "device is too small for new format" error. Any hints? part /RESCUE --fstype="ext4" --ondisk=sda --size=1280 --label=RESCUE part /boot --fstype="ext4" --ondisk=sda --size=512 --label=BOOT part pv.0104 --fstype="lvmpv" --ondisk=sda --grow volgroup ee --pesize=4096 pv.1974 logvol / --fstype="ext4" --size=3072 --encrypted --label="ROOT" --name=00 --vgname=ee logvol /srv --fstype="ext4" --percent=100 --grow --encrypted --label="SRV" --name=01 --vgname=ee Thanks, LF

6 12

youtube-dl No module named 'pkg_resources'
by Michael Hennebry 08 May '19

08 May '19

youtube-dl doesn't work for me after a recent update. I do not use it often, so do not know whether the update matters. It gives the error message: Traceback (most recent call last): File "/usr/bin/youtube-dl", line 6, in <module> from pkg_resources import load_entry_point ModuleNotFoundError: No module named 'pkg_resources' I've tried reinstalling python-setuptools, installing python34-setuptools and reinstalling youtube-dl . I'm aware there is a bugzilla on it. That and stackoverflow are where I got the ideas above. How do I make youtube-dl work on Centos 7? -- Michael hennebry(a)web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards

4 4

Issues trying to change the selinux context
by mark 08 May '19

08 May '19

We're forced to use Siteminder, by CA, who have no clue what they're doing in *nix. No packages, tarballs... Anyway, I'm trying clean up some stuff, and in /*/smwa/webagent/bin (all their binaries, including .so's, are in there, duh... I'm trying to set the .so's to lib_t. semanage -fcontext -a -t lib_t "/<elided>/smwa/webagent/bin(/.*).so" gives me the completely unexpected response of semanage: error: argument subcommand: invalid choice: 'lib_t' (choose from 'import', 'export', 'login', 'user', 'port', 'ibpkey', 'ibendport', 'interface', 'module', 'node', 'fcontext', 'boolean', 'permissive', 'dontaudit') What am I doing wrong? mark

3 6

No network on cloned CentOS 7 installation
by Nicolas Kovacs 08 May '19

08 May '19

Hi, I have a few identical Dell Optiplex 7010 machines that I want to use for our school's computer room. I tried to clone these installations (like I did before on CentOS 5 and various versions of Slackware), but this time I ran into a problem. Here's what I did. 1. Install one computer and zero unused hard disk sectors with dd. 2. Send the image to a local FTP server using G4L (Ghost4Linux). 3. Fetch the image on another computer. 4. Boot the new computer in rescue mode and change the hardcoded /etc/hostname to a new value. Let me add that I removed all hardcoded MAC addresses from /etc/sysconfig/ifcfg-em1, which has only very limited information in it. What else could cause the network to choke on a cloned installation? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32 Mob. : 06 51 80 12 12

6 6

Slow performance with NFSv4.1 on CentOS 7.5 ?
by James Pearson 08 May '19

08 May '19

We have a number of identical NFS clients mounting a server using NFSv4.1 - server and clients are all running CentOS 7.5 (kernel 3.10.0-862.14.4.el7.x86_64) However, on some clients, the NFS performance 'degrades' with time ... Running a simple test - a python script that just imports a module (python and its modules are installed on the NFS share) can be an order of magnitude or more slower on some clients. i.e. very little data is transferred, it is the rate of stat'ing and opening files on the NFS server that is 'slow' Running a tcpdump on a 'slow' client shows that the NFS traffic generated on the 'slow' client is again an order of magnitude or more when compared with that generated by a 'fast' client The majority of the extra NFS traffic in the slow case, appears to be a large number of NFS 'TEST_STATEID' calls the client makes - which are not there in the tcpdump on the fast client The issue can be 'fixed' in the short term by rebooting the affected client - and after a reboot, running the same tcpdump shows no TEST_STATEID calls - however after a while (several days), the performance might degrade again I've found a number of reports of excessive TEST_STATEID calls - but most seem to relate to NFSv4 client hangs - which is not happening here - things are working, but much slower than they should be ... Has anyone come across this issue - and have any fixes/workarounds? Thanks James Pearson

3 3

What happened if install a el7 package on a el6 system
by wuzhouhui 08 May '19

08 May '19

Hi, Recently, I encountered a interesting phenomenon that CentOS 6.3 running as normal even if I (my colleague, actually) installed a kernel that build for CentOS 7.x (e.g. kernel-3.10.0-327.el7.x86_64.rpm). I found kernel is mismatch accidentally when I using "uname -r" to check kernel version. So my question is what the harmness we will get if I install a el7 rpm into a el6 system? Thanks.

7 8

Wine Gecko 32-bit packages
by Sandeep Khanna 08 May '19

08 May '19

With reference to the email thread: https://lists.centos.org/pipermail/centos/2017-October/166709.html <https://lists.centos.org/pipermail/centos/2017-October/166709.html> Can we have the 32-bit Wine Gecko package(s) built and published to the repository: https://harbottle.gitlab.io/wine32/7/i386/ <https://harbottle.gitlab.io/wine32/7/i386/> Seems like someone has already built wine-gecko-2.47-alt2.noarch.rpm <http://wine-gecko-2.47-alt2.noarch.rpm/> At the moment, I have to click on the 'Install' button the first time Wine detects missing Gecko while viewing an Application's Help.

2 1

Permissions on nginx logs
by Bee.Lists 07 May '19

07 May '19

Hi folks. Just wondering if I can change the ownership on the nginx logs folder so I can access them easier for analysis on a regular basis and cronjobs. /var/log/nginx is owned by nginx:nginx which shuts me out. Cheers, Bee

5 9

yum remove iptables problem
by Jobst Schmalenbach 07 May '19

07 May '19

Hi Just got a new server replacing another server. I had to use iptables to protect it until I could move a hardware firewall from the old server to the new server. Now I am trying to delete iptables but it wants to delete lots of other dependency packages, e.g. sendmail, cyrus-sasl and even plymouth. Can I just use "force" and "no-dependecies" to get rid of it? Are there other implications I do not know about? thanks Jobst --

3 2

HERE document in docker script file
by H 04 May '19

04 May '19

I am trying to use a HERE document in a docker script file to generate a text file but must be doing something wrong since I get a warning message that I did not expect: EOF: line 6: warning: here-document at line 0 delimited by end-of-file (wanted `EOF') This is the sample script I am testing in my docker file: RUN bash -c "$(/bin/echo -e "cat << 'EOF' | tee -a /test.txt \ \n<test> \ \n someting here \ \n something else here \ \n</test>")" \ EOF Can anyone see what is wrong in the above statement? Thanks.

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