Check sudo access linux
List sudo rules for a specific user
sudo -l -U <username>
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Add user to group
usermod -aG docker,sudo alice
Show /proc memory maps
cat /proc/<pid>/smaps | awk '/^Size/{sum+=$2} END{print sum/1024" MB"}'
Anonymous huge pages status
grep -E 'HugePages|AnonHugePages|Transparent' /proc/meminfo
Disable Transparent Huge Pages
echo never > /sys/kernel/mm/transparent_hugepage/enabled
Show NUMA topology
numactl --hardware