Renaud METRICH
where else to find them
what they talk about
all 4 in the filters
where they keep going back
- DevConf.CZ3 editions2020–2023
on a stage with
- Christophe Bessononce
- Kyle Walkeronce
who talks about the same things
- Dmitry Levin12 talks
- Scott McCarty12 talks
- Larry Woodman3 talks
- Brian Stinson7 talks
- Harald König8 talks
- Eugene Syromiatnikov2 talks
| title | conference | date |
|---|---|---|
| Using STRACE to troubleshoot issues | DevConf.CZ 2023 | 2023-06-16 |
strace shows every syscall and timestamps, used by Red Hat support to diagnose userland failures; recommended flags are -f -tt -v -y -s 1024 to follow forks… | ||
| Leapp: Red Hat tool to upgrade from RHEL7 to RHEL8 | DevConf.CZ 2021 | 2021-02-18 |
Leapp performs a live in-place upgrade from RHEL7 to RHEL8 by running extensive prechecks, downloading all packages into a preserved dnf cache, building a… | ||
| Using strace to troubleshoot issues | DevConf.CZ 2021 | 2021-02-18 |
Strace is used with -f -tt -T -v -s1k to record syscall arguments and timings, but ptrace serializes threads and can slow a program by ~10x. Concrete case… | ||
| Debugging system boot issues | DevConf.CZ 2020 | 2020-01-24 |
Step‑by‑step fixes used in Red Hat support: recover a broken grub prompt by booting rescue media and rebuilding grub.cfg; diagnose initramfs/LVM failures where… | ||
| nothing matches | ||