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Install OpenSSL 1.1.1 on CentOS Linux release 7.9.2009 (Core).
by Kaushal Shriyan 13 Nov '21

13 Nov '21

Hi, I have downloaded Python 3.10.0 on CentOS Linux release 7.9.2009 (Core). I have the below openssl and mariadb package installed on CentOS 7.9 # rpm -qa | grep openssl openssl-libs-1.0.2k-22.el7_9.x86_64 openssl-devel-1.0.2k-22.el7_9.x86_64 openssl-1.0.2k-22.el7_9.x86_64 #rpm -qa | grep mariadb mariadb-libs-5.5.68-1.el7.x86_64 mariadb-5.5.68-1.el7.x86_64 mariadb-server-5.5.68-1.el7.x86_64 mariadb-devel-5.5.68-1.el7.x86_64 # #mysql -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version: 5.5.68-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> Bye # #wget https://www.python.org/ftp/python/3.10.0/Python-3.10.0.tgz #tar xzf Python-3.10.0.tgz #cd Python-3.10.0 #./configure --enable-optimizations #make altinstall # python3.10 Python 3.10.0 (default, Nov 6 2021, 14:56:25) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import mysql.connector Traceback (most recent call last): File "<stdin>", line 1, in <module> ModuleNotFoundError: No module named 'mysql' >>> #cat demo_mysql_test.py import mysql.connector # python3.10 demo_mysql_test.py Traceback (most recent call last): File "/root/demo_mysql_test.py", line 1, in <module> import mysql.connector ModuleNotFoundError: No module named 'mysql' # # pip3.10 install mysql-connector-python WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/mysql-connector-python/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/mysql-connector-python/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/mysql-connector-python/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/mysql-connector-python/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/mysql-connector-python/ Could not fetch URL https://pypi.org/simple/mysql-connector-python/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=' pypi.org', port=443): Max retries exceeded with url: /simple/mysql-connector-python/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping ERROR: Could not find a version that satisfies the requirement mysql-connector-python (from versions: none) ERROR: No matching distribution found for mysql-connector-python WARNING: You are using pip version 21.2.3; however, version 21.3.1 is available. You should consider upgrading via the '/usr/local/bin/python3.10 -m pip install --upgrade pip' command. As of Python 3.10, OpenSSL 1.1.1 or newer is required: https://www.python.org/dev/peps/pep-0644/ Please guide me in installing OpenSSL version 1.1.1 Thanks in advance and I look forward to hearing from you. Best Regards, Kaushal

6 9

Gnome unlocks all desktop sessions
by Pete Huckelba 09 Nov '21

09 Nov '21

All, I am trying to figure out the logic of why Gnome is unlocking all of my desktop sessions. In my office I am logged into a CentOS 7 Gnome desktop, X :0. I then lock the screen and go home. Once home, I log into my work computer and start a new vncserver on :1. If I lock and then unlock :1, ALL desktop sessions are unlocked, including :0. This can be observed with a laptop and watching :0 unlock when unlocking VNC session :1, or by launching multiple VNC servers. In one test I created vnc sessions on :1, :2, :3, :4, I connected to each and locked each desktop. I then unlocked one session and noticed all sessions unlocked at the same time. While the unlocking of VNC :1-:4 is quirky, at least it is still protected by the authentication provided by VNC; the unlocking of :0 is the trouble. Can anyone provide clarity or a work around to this? -Pete tigervnc-server.x86_64 1.8.0-22.el7

1 0

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

1 0

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

2 2

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

2 2

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

3 3

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

2 3

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

5 8

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

1 0

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

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