The Kdump Procedure The normal kernel booted with option crashkernel=<size>M , reseving \<size> memory for the kdump kernel. These \<size> of memory is unavailable for the normal kernel during regular operation. The kernel panics. The kdump kernel is booted using kexec with the \<size> of memory been reserved. The normal kernel's memory is captured into […]
Config Kernel Modules cd /usr/src/linux make menuconfig Necessary Modules CONFIG_CGROUP_CPUACCT CONFIG_CGROUP_DEVICE CONFIG_CGROUP_FREEZER CONFIG_CGROUP_SCHED CONFIG_CPUSETS CONFIG_MEMCG CONFIG_CGROUP_NET_PRIO CONFIG_CGROUP_PIDS CONFIG_MEMCG_SWAP CONFIG_BLK_CGROUP CONFIG_BLK_DEV_THROTTLING CONFIG_CGROUP_PERF CONFIG_CGROUP_HUGETLB CONFIG_NET_CLS_CGROUP CONFIG_CFS_BANDWIDTH CONFIG_FAIR_GROUP_SCHED CONFIG_IPVLAN CONFIG_DUMMY Add Kernel Configuration General setup *-- C**ontrol Group support ---> [*] Memory controller [*] IO controller [*] CPU controller ---> --- CPU controller [*] Group […]