LXC/Logrotate

LXC » Logrotate » Alpine

lxc image ls images:alpine/3.21
lxc launch   images:alpine/3.21 logrotate
lxc export   logrotate logrotate_alpine-20250523.tar.gz --optimized-storage

lxc delete   logrotate/alpine:3.21 2>/dev/null
lxc snapshot logrotate alpine:3.21
lxc restore  logrotate alpine:3.21
lxc info     logrotate

LXC » Logrotate » Ubuntu

lxc image ls ubuntu:24.04
lxc rm -f    logrotate 2>/dev/null
lxc launch   ubuntu:24.04 logrotate

lxc delete   logrotate/ubuntu:24.04 2>/dev/null
lxc snapshot logrotate ubuntu:24.04
lxc export   logrotate logrotate_ubuntu-20250604.tar.gz --optimized-storage

lxc rm -f    logrotate 2>/dev/null
lxc import   logrotate_ubuntu-20250604.tar.gz logrotate
lxc start    logrotate

lxc restore  logrotate ubuntu:24.04
lxc info     logrotate

---

cat <<'EXE'| lxc exec logrotate -- bash
echo;apt-get update;echo
apt-get install -y logrotate faketime;echo;apt-get clean
EXE

lxc delete   logrotate/faketime:0.9.10 2>/dev/null
lxc snapshot logrotate faketime:0.9.10
lxc export   logrotate logrotate_faketime-20250604.tar.gz --optimized-storage

lxc rm -f    logrotate 2>/dev/null
lxc import   logrotate_faketime-20250604.tar.gz logrotate
lxc start    logrotate

lxc restore  logrotate faketime:0.9.10
lxc info     logrotate

LXC » Logrotate » Ubuntu » Config

lxc restore  logrotate faketime:0.9.10
cat <<'EXE'| lxc exec logrotate -- bash
mkdir -p /var/log/academia
chown root:root /var/log/academia
chmod 755 /var/log/academia

cat <<'CFG'| tee /etc/logrotate.d/academia >/dev/null
/var/log/academia/academia.log {
    daily
    dateext
    dateformat -%Y%m%d
    rotate 90
    missingok
    notifempty
    compress
    delaycompress
    copytruncate
}
CFG
EXE

LXC » Logrotate » Ubuntu » Config » Logs

cat <<'EXE'| lxc exec logrotate -- bash
cat << LOG | tee -a /var/log/academia/academia.log >/dev/null
$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z') academia user: admin signed up
$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z') academia user: admin, page: /home
$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z') academia user: admin, page: /setting
$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z') academia user: admin, page: /sales/report
$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z') academia user: admin, page: /payment/maybank2u
LOG
EXE

LXC » Logrotate » Ubuntu » Config » Rotate

cat <<'EXE'| lxc exec logrotate -- bash
faketime 'today'      logrotate -f /etc/logrotate.d/academia
faketime 'yesterday'  logrotate -f /etc/logrotate.d/academia
faketime '2025-06-03' logrotate -f /etc/logrotate.d/academia
faketime '2025-06-02' logrotate -f /etc/logrotate.d/academia
faketime '2025-06-01' logrotate -f /etc/logrotate.d/academia
EXE

Playground

INET_PATH='.[].state.network.[].addresses[]|select(.family=="inet" and .scope=="global").address' INET_ADDR=$(lxc list name=logrotate -f=yaml|yq -r "${INET_PATH}")		apk cache clean rm -vrf /var/cache/apk/*
echo "$(date +'D%Y%m%d-T%H%M')-Z$(date +'%z'|tr '+-' 'PM')" echo "$(date --utc +'%Y-%m-%dT%H:%M:%S.%6N%:z')"	echo "$(TZ=BDT-6 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')" echo "$(TZ=MYT-8 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')"	echo "$(TZ=GMT-8 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')" echo "$(TZ=GMT-6 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')"
echo "$(TZ=UTC-8 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')" echo "$(TZ=UTC-6 date +'%Y-%m-%dT%H:%M:%S.%6N%:z')"	echo "$(TZ=UTC-8 date +'%Y-%m-%dT%H:%M:%S.%6N %Z%:z')" echo "$(TZ=UTC-6 date +'%Y-%m-%dT%H:%M:%S.%6N %Z%:z')"	echo "$(TZ=UTC-8 date +'%Y-%m-%dT%H:%M:%S.%6N %Z%z')" echo "$(TZ=UTC-6 date +'%Y-%m-%dT%H:%M:%S.%6N %Z%z')"

References

Logrotate » Advanced date in daily rotations Logrotate » File Name With Date Logrotate » Redhat
LXC » Alpine » Apache » PHP LXC » Alpine » Nginx » PHP LXC
Kubernetes Multipass Minikube Podman Vagrant Docker Qemu Helm K9s K8s	Terraform Proxmox Kubectl Ansible CIDR UFW Git