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34758 discussions

CentOS 8 boot command line
by Jerry Geis 18 Nov '19

18 Nov '19

I am trying to boot a grub entry for CentOS 8 menuentry "Server Install CentOS 8" { linux /boot/vmlinuz noverifyssl ks= https://devgeis.LayeredSolutionsInc.com:443/kickstart/ks_update_to_server8.… biosdevname=0 net.ifnames=0 ksdevice=eth0 ip=192.168.1.13 gateway=192.168.1.1 netmask=255.255.255. 0 nameserver=192.168.1.1 inst.sshd sshd=1 initrd /boot/initrd.img } When booting it says that "ip=192.168.1.3" Sorry unknown value. This works on CentOS 7. How do I specify the IP/SN/GW for CentOS kernel line? Thanks, Jerry

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Post-installation setup script for CentOS 7 servers
by Nicolas Kovacs 18 Nov '19

18 Nov '19

Hi, I just sanded down the remaining edges of my CentOS 7 post-install configuration script and published it on a Github repository, along with some detailed instructions. * https://github.com/kikinovak/centos-setup Feel free to use it (and/or adapt it to your needs). Cheers from the sunny South of France, 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

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Re: [CentOS] Firefox 68 jnlp files
by Clark, Patti 18 Nov '19

18 Nov '19

icedtea-web package included with the distros is the plugin that handles javaws for firefox for both RHEL/CentOS 6 and 7 and openjdk. I have yet to find an app that cannot use openjdk instead of oracle java. It may be a little less streamlined, but it's functional. Ignore/cancel any pop ups that talk about updating java. If I missed this answer, I apologize as I receive the digests. Patti Clark Sr. Linux System Administrator Oak Ridge National Laboratory >>>>>>> Date: Thu, 14 Nov 2019 16:21:03 +0000 From: James Pearson <james-p(a)moving-picture.com> To: <centos(a)centos.org> Subject: Re: [CentOS] Firefox 68 jnlp files Message-ID: <1a787894-bbcb-799b-eba9-210c2a8ceaf9(a)moving-picture.com> Content-Type: text/plain; charset="UTF-8"; format=flowed isdtor wrote: > > It seems that firefox 68.x, as distributed with CentOS6 updates, no longer allows opening jnlp files with javaws > > The "Choose Helper Application" window popping up after selecting "Open with/Other" has a predefined list of applications that cannot be customised. > > I'm sure it must be a configuration issue as this works fine with the same browser on other distributions, but what to look for? > > # alternatives --display javaws > javaws - status is auto. > link currently points to /usr/java/latest/jre/bin/javaws > /usr/java/latest/jre/bin/javaws - priority 200000 > Current `best' version is /usr/java/latest/jre/bin/javaws. > # ll -L /etc/alternatives/javaws > -rwxr-xr-x 1 root root 140296 Dec 15 2018 /etc/alternatives/javaws > # Don't know about CentOS6, but with CentOS7, the selection of apps that you can use appear to map to '.desktop' files? If it is the same on CentOS6, then you might be able to set up a suitable .desktop file (e.g. in /usr/share/applications/ or similar) to do what you want ... No idea if this is of any help James Pearson

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40_custom be the default option
by Jerry Geis 18 Nov '19

18 Nov '19

Hi All - I have my 40_custom file setup. What is a good way to make that the default boot option ? I'd rather not count menu option lines and change GRUB_DEFAULT to that - as I am doing this remote. Thanks Jerry

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Re: [CentOS] Cron - log when job ends?
by John Horne 18 Nov '19

18 Nov '19

On Fri, 2019-11-15 at 16:32 -0500, Karl Vogel wrote: > > > On Fri, Nov 15, 2019 at 05:54:07PM +0000, John Horne wrote: > > J> In trying to resolve a problem with a cron job, we can see when the job > J> starts by looking in the /var/log/cron log file. However, I was asked if > J> when the job ends could also be logged. (It seems to be something that > J> crops up every so often over the years.) > > You could use something like this with your scripts. > It works with ksh or bash. > Sorry, I should have been more clear. I'm not looking for a 'per-script' solution. Logging when a job starts is performed by crond, so logging when it ends should also be done by crond. Despite the article I mentioned being from 2011, it seems that Debian 10 still supports the logging of when cron jobs end. Looking into this further it seems that Debian uses anacron, and then applies a patch which provides the '-L' option. I have raised this with the cronie project on github to try and see why this feature has not been implemented. (It may well be that there are good reasons for it having not happened.) A very quick look at the cronie code seems to indicate it may be possible to implement. John. -- John Horne | Senior Operations Analyst | Technology and Information Services University of Plymouth | Drake Circus | Plymouth | Devon | PL4 8AA | UK ________________________________ [http://www.plymouth.ac.uk/images/email_footer.gif]<http://www.plymouth.ac.uk/worldclass> This email and any files with it are confidential and intended solely for the use of the recipient to whom it is addressed. If you are not the intended recipient then copying, distribution or other use of the information contained is strictly prohibited and you should not rely on it. If you have received this email in error please let the sender know immediately and delete it from your system(s). Internet emails are not necessarily secure. While we take every care, University of Plymouth accepts no responsibility for viruses and it is your responsibility to scan emails and their attachments. University of Plymouth does not accept responsibility for any changes made after it was sent. Nothing in this email or its attachments constitutes an order for goods or services unless accompanied by an official order form.

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C6 renew IPA CA (root) certificates
by Markus Hetzenecker 18 Nov '19

18 Nov '19

Hi all, I need to renew the self-signed CA (root) certificates of my CentOS 6 IPA installation (ipa-server-3.0.0-51.el6.centos.x86_64) after 8 years. In the documention i find only for "Renewing CA Certificates Issued by External CAs" , found in https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/ht… identity_management_guide/cas Thanks for any pointers, M.

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Download Red Hat Enterprise Linux (RHEL) 8.1.0 (for development use)
by Turritopsis Dohrnii Teo En Ming 17 Nov '19

17 Nov '19

Good day from Singapore, You can download Red Hat Enterprise Linux (RHEL) 8.1.0 (for development use) from the following link. https://developers.redhat.com/products/rhel/download When will CentOS 8.1.0 become available? Thank you very much. -----BEGIN EMAIL SIGNATURE----- The Gospel for all Targeted Individuals (TIs): [The New York Times] Microwave Weapons Are Prime Suspect in Ills of U.S. Embassy Workers Link: https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html ******************************************************************************************** Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 14 Feb 2019 and refugee seeking attempts at the United Nations Refugee Agency Bangkok (21 Mar 2017) and in Taiwan (5 Aug 2019): [1] https://tdtemcerts.wordpress.com/ [2] https://tdtemcerts.blogspot.sg/ [3] https://www.scribd.com/user/270125049/Teo-En-Ming -----END EMAIL SIGNATURE-----

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Place to run script command for all user/sessions
by Erick Perez - Quadrian Enterprises 16 Nov '19

16 Nov '19

Hi all, I would like to record user commands in terminal mode for remote supporters. I currently do that with the command "script - make typescript of terminal session". So far so good as long as I run a combo os screen/script at the command prompt, allow remote worker to control screen session and then at the end I do ctrl-d to save the script session. This however do not work (or at least is not practical) when I want to allow someone to login via SSH directly and unattended. What will be the place to insert "script" in order to call it for each login/logoff and sudo executions? As an alternative for my fellow coworkers I have setup a Windows 10 PC with putty and Teamviewer/AnyDesk on it. Remote supporters go into the Teamviewer/AnyDesk pc and then SSH using putty into the specified Linux box. Putty is setup as to record the entire session automatically. Linux boxes dont have GUI. Linux Boxes are Centos 7 x64 and only 3 are Centos 8 x64. Thanks for your comments. -- --------------------- Erick Perez ---------------------

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Cron - log when job ends?
by John Horne 16 Nov '19

16 Nov '19

Hello, In trying to resolve a problem with a cron job, we can see when the job starts by looking in the /var/log/cron log file. However, I was asked if when the job ends could also be logged. (It seems to be something that crops up every so often over the years.) I found on the 'net this article https://serverfault.com/questions/248915/crontab-is-there-any-log-with-begi… which mentions a loglevel (-L) option, and by setting this to 2 it will log when a cron job ends. It sounds great, and just what we could use. The downside is that there seems to be no such option anymore. The article is several years old but the users says they are using anacron. Checking on both a CentOS 7 and Fedora 31 system, which both use cronie-anacron, I could find no mention of any loglevel. Does anyone know what happened to this option (why it was removed)? It would seem to be useful, but removed at some time. Thanks, John. -- John Horne | Senior Operations Analyst | Technology and Information Services University of Plymouth | Drake Circus | Plymouth | Devon | PL4 8AA | UK ________________________________ [http://www.plymouth.ac.uk/images/email_footer.gif]<http://www.plymouth.ac.uk/worldclass> This email and any files with it are confidential and intended solely for the use of the recipient to whom it is addressed. If you are not the intended recipient then copying, distribution or other use of the information contained is strictly prohibited and you should not rely on it. If you have received this email in error please let the sender know immediately and delete it from your system(s). Internet emails are not necessarily secure. While we take every care, University of Plymouth accepts no responsibility for viruses and it is your responsibility to scan emails and their attachments. University of Plymouth does not accept responsibility for any changes made after it was sent. Nothing in this email or its attachments constitutes an order for goods or services unless accompanied by an official order form.

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C8 Questions
by Alessandro Baggi 16 Nov '19

16 Nov '19

Hi all, I've several questions about C8. I'm using 8 on my personal NAS and works very well. I'm running several VMs with centos 8 and noticed something: 1) Why corosync, pacemaker and pcs are missing on C8? They are only available on rhel with payments( rhel ha addons)? 2) Why there is only Gnome as available DE? I use centos on my workstation and I'm a kde-plasma user. XFCE is ok but not gnome. I tried fedora, it has all software that I need and it is a very good distro but I don't like too much update and its EOL (upgrade/reinstall every 13 months on a workstation is not so good for me). I don't want to be forced to install another stable distro like debian (This not means that debian is bad but I prefer centos). 3) I have a VM with C8 installed. I got several updates but I don't receive any update for 8 on centos-announce like for previous versions (6 & 7). Something has changed? 4) EPEL. I know that EPEL is a Fedora SIG but I use several packages from EPEL. There is a place to see what packages will be included in EPEL? For example, I tried to install audacious from epel but got errors for missing deps. Seems that EPEL8 is released but not ready. There is a ETA for this? 5) It's my impression or there are less packages in this release? 6) Why cockpit installed by default? 7) Why repo PowerTools was created? What is the main purpose? 8) Why NetworkManager is the default method to configure interfaces? I know that I can install network-scripts but I don't understand this change. Best regards, Alessandro.

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