Summary In this blog we explore how to use certificates from Let’s Encrypt to secure self-hosted Bamboo and Crucible. Process To Follow Install Certbot Ensure that external DNS resolves to the correct IP addressping example.yourdomain.com Ensure that Port 80 is open from the outside to that IP address so that Let’s Encrypt can validate the […]
SUMMARY If sysbench is started with the “–mysql-ssl=on” option, it looks in the current directory for the following files:
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client-cert.pem
client-key.pem
cacert.pem(note no dash)
PROCEDURE Locate the current MySQL database certificates, usually in /var/lib/mysql, and make sure that the OS user running sysbench is able to read the following 3 files:
ALTER USER'root'@'localhost'IDENTIFIED BY'newRootPassword';
https://dev.mysql.com/doc/refman/8.0/en/default-privileges.html Check and veify your my.cnf ssl entries if you see the following error in the /var/log/mysqld.log file at startup:
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Failed toset up SSL because of the following SSL library error:SSL_CTX_set_default_verify_paths failed
I wanted to save the iptables list to disk, but got an error when I tried: # service iptables save The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, please try to use systemctl. The solution was to install the iptables-services package: # yum install iptables-services […]
When trying to mount can XFS filestsen on an AWS instance, I got the error “mount: wrong fs type, bad option, bad superblock on /dev/sdh” Examine the volume’s UUID with the xfs_db command: shell> sudo xfs_db -c uuid /dev/nvme2n1 To fix the problem, you have two options… Temporary Solution Add nouuid mount option to temporarily […]
When trying to access the serial console on AWS, I got the following error: Cannot open access to console, the root account is locked Since I had edited /etc/fstab, the host would not boot. The only way to fix this problem is to unmount the root volume from the affected instance, mount it on another […]
In the macOS Terminal, my mouse scroll wheel would magically start scrolling the command line history instead of the window buffer scroll bar on the right to show window history. This happened when an SSH session was disconnected or timed out. The fix is to run the reset command.
I was unable to login from my old iMac running Yosemite to my new iMac running Ventura using RSA keys. It turns out that RSA key support was disabled in Ventura. To correct the problem, I added the following two lines to the bottom of /etc/ssh/sshd_config:
erics, November 9th, 2023 
Categories: How-To's, Technology env, environment, Error, howto, perl, Perl_xs_handshake, PERL5LIB, symbol lookup error, tips, undefined symbol, unset, Webmin
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