Note to self: How to ssh Tunnel
ssh -f user@gatewayserver.com -L 2000:internalserver:25 -N ss -tulpen | grep 2000 search no further.
centos
Fix for „Internal Server Error“ on Scheduled Tasks in Spacewalk 2.6 / 2.7 / 2.8
Add this to /etc/rhn/rhn.conf: hibernate.enable_lazy_load_no_trans=true Then restart spacewalk services like so: systemctl stop tomcat systemctl stop taskomatic systemctl stop rhn-search systemctl start rhn-search systemctl start taskomatic systemctl start tomcat spacewalk-service restart
Fix for „Internal Server Error“ on Scheduled Tasks in Spacewalk 2.6 / 2.7 / 2.8 Read More »
MariaDB 10.1.28 with WSREP will not start – here’s how you can fix it
If you are running MariaDB 10.1 branch on any major distro (Ububtu, CentOS/RHEL…) with WSREP=ON (indicating replication such as galera), then your MariaDB systemd unit will most likely fail to start. Steps to reproduce: Install mariadb-10.1.27 or earlier for any distro enable WSREP (have a cluster running) upgrade one node to 10.1.28 mysql will simply
MariaDB 10.1.28 with WSREP will not start – here’s how you can fix it Read More »
Quick Tip: How to rebuild all initrds with dracut in CentOS 6/7
If you need to automatically rebuild all initrds for all installed kernels: rpm -qa | grep kernel | grep -v headers | grep -v tools | sed ’s/^kernel\-//g‘ | xargs -i dracut -v -f /boot/initramfs-{}.img {} Oh, and while we’re at it, the same for Ubuntu update-initramfs -u -k all
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