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Firewall question
by Jerry Geis 09 Nov '21

09 Nov '21

Hi - When updating my CentOS 7 - firewalld why does the virt-manager loose connections to all GUI's ? I just close the virt-manager main window - select the virt-manager from gnome side panel and re-run - and then they all come back after you click on them - but why is the connection to the GUI lost ? Can I prevent that somehow ? Thanks, Jerry

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your thoughts on dnf-makecache
by Götz Reinicke 09 Nov '21

09 Nov '21

Hi, From time to time I see different errors for dnf-makecache in the logs. e.g. „Errors during downloading metadata“, „Couldn't connect to server for“, „Timeout was reached“, „Couldn't resolve host name " or „Operation too slow“. In all cases, a restart of the service solves the „problem“ and in other cases the next run dose it. Beside having the errors, our current service monitoring triggers in most cases a warning message, and depending on the solution recovers too, which makes me wonder what would be the best practice for such situation. a) do I need dnf-makecache? Will it speed up things so much and makes package management much more easy, so having some errors is o.k.? b) adjust the config for dnf-makecache, so it will trigger less errors? c) adjust our monitoring to ignore some errors or be more soft with triggering warnings? C is the least preferred option right now. What do you think, how do you handle dnf-makecache? Thanks for feedback and suggestions. Götz

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systemd does not generate both StandardOutput and StandardError files in /var/log/ directory
by Kaushal Shriyan 09 Nov '21

09 Nov '21

Hi, I am running CentOS Linux release 7.9.2009 (Core). I have created a systemd service for a java service. I want to capture both stdout and stderr to files under /var/log directory. # cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) # # rpm -qa | grep systemd systemd-sysv-219-78.el7_9.3.x86_64 systemd-libs-219-78.el7_9.3.x86_64 systemd-219-78.el7_9.3.x86_64 # cat /etc/systemd/system/smartresponse.service [Unit] Description=Smart Response Service [Service] WorkingDirectory=/opt/demo ExecStart=/bin/java -jar old2-wsb-smart-response-0.0.2-SNAPSHOT.jar Type=simple Restart=on-failure RestartSec=10 StandardOutput=file:/var/log/smartresponseserviceoutput.log StandardError=file:/var/log/smartresponseserviceerror.log [Install] WantedBy=multi-user.target # The files /var/log/smartresponseserviceoutput.log and /var/log/smartresponseserviceoutput.log are not created. Please guide. Thanks in advance. Best Regards, Kaushal

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vice.com and firefox
by mark 05 Nov '21

05 Nov '21

Ok, last month, anyway, version of firefox. (Yeah, I know, time to update). 100% of the time, any link, anywhere, to vice.com gives me "network protocol violation". Anyone else seen this? mark

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centos 7 mbr to gpt without loosing data
by Ralf Prengel 05 Nov '21

05 Nov '21

Hallo, has anyone a working tutoring how to migrate a centos 7 system from mbr to gpt without loosing data. My problem: A disk is used for docker images and niow this disk must be resized from 1,8 TB to 2,2 TB space. Three years ago when the system was installed no one thougt about this size limit. The system ist a centos 7 VM running on ESX 6.7. I found some tutorials but no one worked here. Thanka for a hint. Ralf

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FYI, Chrome no longer supported on Centos7.
by me＠tdiehl.org 04 Nov '21

04 Nov '21

Hi, FYI, it looks like Google has decided to drop support for Chrome on Centos 7. (tigger pts9) # yum install google-chrome-stable Loaded plugins: changelog, fastestmirror, langpacks, nvidia, priorities Loading mirror speeds from cached hostfile * elrepo: mirror.pit.teraswitch.com 10 packages excluded due to repository priority protections Resolving Dependencies --> Running transaction check ---> Package google-chrome-stable.x86_64 0:95.0.4638.54-1 will be installed --> Processing Dependency: libc.so.6(GLIBC_2.18)(64bit) for package: google-chrome-stable-95.0.4638.54-1.x86_64 --> Finished Dependency Resolution Error: Package: google-chrome-stable-95.0.4638.54-1.x86_64 (google-chrome) Requires: libc.so.6(GLIBC_2.18)(64bit) You could try using --skip-broken to work around the problem (tigger pts9) # Anyone know where to get previous rpm versions of chrome? Regards, -- Tom me(a)tdiehl.org

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Announcing centos-plus repo for 8-stream
by Fabian Arrotin 29 Oct '21

29 Oct '21

We used to have a "plus" repository for CentOS 7 and 8, that contained packages from OS, but rebuilt differently. Most known examples in CentOS 8 plus repository are the kernel-plus and thunderbird (with openpgp support). As CentOS 8 is going EOL end of this year, and that some us still need to rely on that specific thunderbird package, we agreed to just use the SIG process for the plus repository, instead of having such packages being built through the distro builders. So if you're already on CentOS Stream 8 , you can just install (like for other SIGs) a specific package containing both the .repo file *and* needed gpg key used to sign the packages. How to enable/use it ? : sudo dnf install centos-release-plus -y As stated in /etc/yum.repos.d/CentOS-Stream-Plus.repo, you can now enable it (remember that it can overwrite base packages, reason why we also ship it as disabled) sudo dnf config-manager --enable centos-stream-plus You can now install pkg from it, like thunderbird : sudo dnf install thunderbird Tip: if you want to just use some pkgs from one specific repo, you can also just use excludepkgs/includepkgs statements in your .repo configuration (see https://dnf.readthedocs.io/en/latest/conf_ref.html#options-for-both-main-an…) -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 17F3B7A1 | twitter: @arrfab

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Measure http request and response time using curl command
by Kaushal Shriyan 29 Oct '21

29 Oct '21

Hi, Is there a way to measure http request and response time including network latency using any utility of a specific website? For example https://about.gitlab.com Best Regards, Kaushal

2 1

Version of curl does not support session resumption
by Joscha Knobloch 28 Oct '21

28 Oct '21

Hi, we have a CentOS7 Server running that pushes some Backups via FTP onto another server. We switches the FTP-Server for a new one that works very well. One new thing is that FTPS session resumption is now mandetory and cannot be turned off since it is an important security feature. Unfortunately the version of curl on the system does not yet support it. This is the version installed on the system: curl 7.29.0 (x86_64-redhat-linux-gnu) libcurl/7.29.0 NSS/3.53.1 zlib/1.2.7 libidn/1.28 libssh2/1.8.0 I have discussed this on the curl mailing list and they said the version is from 2013 and we should update to a new version of curl. Is curl going to be updated to support ftps session resumption in the near future? If not: What would be the best way to get a newer version onto the system? Kind Regards Joscha

3 2

grepmail
by Jon LaBadie 28 Oct '21

28 Oct '21

On my Fedora box I occasionally use grepmail. Recently I went to use it on my CentOS 7 mail server and found I had not installed it. Surprisingly (to me) I did not find it in the repositories. Grepmail is a perl script and uses several perl modules. I copied the executable from the Fedora box and installed a missing module from the CentOS 7 repos. Seems to work. However the CentOS perl modules are older versions than the executable uses on Fedora. I'd prefer the executable and modules were tested together. Have I missed grepmail in any CentOS 7 repos? -- Jon H. LaBadie jcu(a)labadie.us

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