cloud engineer
How to lock a package or software in RedHat.
# For RHEL 5 yum install yum-versionlock # For RHEL 6 and 7 yum install yum-plugin-versionlock # For RHEL 8 and 9 yum install python3-dnf-plugin-versionlock |
# For RHEL 5 yum install yum-versionlock # For RHEL 6 and 7 yum install yum-plugin-versionlock # For RHEL 8 and 9 yum install python3-dnf-plugin-versionlock
Locking a package
yum versionlock gcc-* |
yum versionlock gcc-*
List locked packages
yum versionlock list |
yum versionlock list
Key-based SSH login is prompting a password despite it’s already setup to use keys. As turns out, the home directory was changed to 777. To fix, I changed home folder permissions and restarted SSH. It probably does not need a restart, but it doesn’t hurt.
chown -R username:username /home/username find /home/username -type d -exec chmod 755 {} \; find /home/username -type f -exec chmod 644 {} \; |
chown -R username:username /home/username find /home/username -type d -exec chmod 755 {} \; find /home/username -type f -exec chmod 644 {} \;
sudo systemctl restart ssh |
sudo systemctl restart ssh
Here’s how to restore or set the Bash prompt on RHEL systems.
echo "PS1='\u@\h \w]\$'" >> ~/.bashrc source ~/.bashrc |
echo "PS1='\u@\h \w]\$'" >> ~/.bashrc source ~/.bashrc