c5766/cciab repository overview

• Dockerfile

** v17

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/tmp;
chown portage:portage /dev/tmp;
ls -lha /dev/tmp >> /root/info;
echo PORTAGE_TMPDIR="/dev/tmp" >> /etc/portage/make.conf;
free -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output;
emerge-webrsync;
emerge net-misc/proxychains;
df -m >> /root/info

#+END_SRC

#+BEGIN_EXAMPLE

total 0 drwxr-xr-x 2 portage portage 40 Aug 18 08:25 . drwxr-xr-x 6 root root 360 Aug 18 08:25 ..

          total        used        free      shared  buff/cache   available

Mem: 3762 204 1553 5 2004 3360 Swap: 0 0 0

root 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.121794 s, 689 MB/s

/dev 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.0755275 s, 1.1 GB/s

Filesystem 1M-blocks Used Available Use% Mounted on overlay 40182 5788 32659 16% / tmpfs 1882 0 1882 0% /dev tmpfs 1882 0 1882 0% /sys/fs/cgroup /dev/xvda1 40182 5788 32659 16% /etc/hosts shm 64 0 64 0% /dev/shm tmpfs 1882 0 1882 0% /sys/firmware

#+END_EXAMPLE

| MB/s | tmpfs | root | |------+-------+------| | dpl | 618 | 434 | | | | | | doc | 548 | 355 | | | 646 | 276 | | | 559 | 321 | | | 550 | 403 | | | 1100 | 733 | | | 1100 | 689 | | | | |

cat /etc/portage/make.conf

echo "root" >> /root/info

echo PORTAGE_TMPDIR="/dev/tmp" >> /etc/portage/make.conf

** v16

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/portage;
chown portage:portage /dev/portage;
ls -lha /dev/portage >> /root/info;
ln -s /dev/portage /var/tmp;
chown portage:portage -h /var/tmp/portage;
ls -lha /var/tmp >> /root/info;
free -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output; rm -f /root/swapfile1;
emerge-webrsync;
emerge net-misc/proxychains;
df -m >> /root/info

#+END_SRC

#+BEGIN_EXAMPLE

Permission denied: 'stat('/var/tmp/portage')'

#+END_EXAMPLE

| MB/s | tmpfs | root | |------+-------+------| | dpl | 618 | 434 | | | | | | doc | 548 | 355 | | | 646 | 276 | | | 559 | 321 | | | 550 | 403 | | | 1100 | 733 |

https://www.cyberciti.biz/faq/linux-add-a-swap-file-howto/⁠

⁠dd if=/dev/zero of=/swapfile1 bs=1024 count=524288

dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288

⁠chown root:root /swapfile1

⁠chmod 0600 /swapfile1

chown root:root /root/swapfile1 chmod 0600 /root/swapfile1

⁠mkswap /swapfile1

mkswap /root/swapfile1

⁠swapon /swapfile1

swapon /swapfile1

** v15

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/portage;
chown portage:portage /dev/portage;
ls -lha /dev/portage >> /root/info;
ln -s /dev/portage /var/tmp;
chown portage:portage -h /var/tmp/portage;
ls -lha /var/tmp >> /root/info;
mount >> /root/info ;
lsblk >> /root/info ;
free -m >> /root/info ;
dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288;
chown root:root /root/swapfile1;
chmod 0600 /root/swapfile1;
mkswap /root/swapfile1;
swapon /root/swapfile1;
free -m >> /root/info ;
df -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output; rm -f /root/swapfile1

#+END_SRC

#+BEGIN_EXAMPLE

total 0 drwxr-xr-x 2 portage portage 40 Aug 18 01:49 . drwxr-xr-x 6 root root 360 Aug 18 01:49 ..

total 8.0K drwxrwxrwt 1 root root 4.0K Aug 18 01:49 . drwxr-xr-x 1 root root 4.0K Aug 10 21:06 .. -rw-r--r-- 1 root root 0 Aug 10 21:06 .keep lrwxrwxrwx 1 portage portage 12 Aug 18 01:49 portage -> /dev/portage

overlay on / type overlay (rw,relatime,lowerdir=/var/lib/docker/overlay2/l/67DKE6VJBT627P3WG2AJGRIVZ3:/var/lib/docker/overlay2/l/WG4BBEKCZYHQDWRWT7HFAQOXQL,upperdir=/var/lib/docker/overlay2/6f36adc5ca482acc850ccac9c3978c7d2cbf4fdf4e75a1a08cb555e136e6c4e0/diff,workdir=/var/lib/docker/overlay2/6f36adc5ca482acc850ccac9c3978c7d2cbf4fdf4e75a1a08cb555e136e6c4e0/work) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev type tmpfs (rw,nosuid,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=666) sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,relatime,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (ro,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/perf_event type cgroup (ro,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/hugetlb type cgroup (ro,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/cpuset type cgroup (ro,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/devices type cgroup (ro,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/memory type cgroup (ro,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (ro,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/pids type cgroup (ro,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (ro,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/freezer type cgroup (ro,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/blkio type cgroup (ro,nosuid,nodev,noexec,relatime,blkio) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) /dev/xvda1 on /etc/resolv.conf type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hostname type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hosts type ext4 (rw,relatime,discard,data=ordered) shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k) proc on /proc/bus type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/fs type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/irq type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sys type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sysrq-trigger type proc (ro,nosuid,nodev,noexec,relatime) tmpfs on /proc/kcore type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_list type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_stats type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/sched_debug type tmpfs (rw,nosuid,mode=755) tmpfs on /sys/firmware type tmpfs (ro,relatime)

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 40G 0 disk `-xvda1 202:1 0 40G 0 part /etc/hosts xvdb 202:16 0 4G 0 disk

          total        used        free      shared  buff/cache   available

Mem: 3762 166 1294 5 2301 3398 Swap: 0 0 0

          total        used        free      shared  buff/cache   available

Mem: 3762 166 768 5 2828 3398 Swap: 0 0 0

Filesystem 1M-blocks Used Available Use% Mounted on overlay 40182 5343 33104 14% / tmpfs 1882 0 1882 0% /dev tmpfs 1882 0 1882 0% /sys/fs/cgroup /dev/xvda1 40182 5343 33104 14% /etc/hosts shm 64 0 64 0% /dev/shm tmpfs 1882 0 1882 0% /sys/firmware

root 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.114432 s, 733 MB/s

/dev 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.0740235 s, 1.1 GB/s

swapon: /root/swapfile1: swapon failed: Operation not permitted

#+END_EXAMPLE

| MB/s | tmpfs | root | |------+-------+------| | dpl | 618 | 434 | | | | | | doc | 548 | 355 | | | 646 | 276 | | | 559 | 321 | | | 550 | 403 | | | 1100 | 733 |

https://www.cyberciti.biz/faq/linux-add-a-swap-file-howto/⁠

⁠dd if=/dev/zero of=/swapfile1 bs=1024 count=524288

dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288

⁠chown root:root /swapfile1

⁠chmod 0600 /swapfile1

chown root:root /root/swapfile1 chmod 0600 /root/swapfile1

⁠mkswap /swapfile1

mkswap /root/swapfile1

⁠swapon /swapfile1

swapon /swapfile1

** v15

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/portage;
chown portage:portage /dev/portage;
ls -lha /dev/portage >> /root/info;
ln -s /dev/portage /var/tmp;
chown portage:portage -h /var/tmp/portage;
ls -lha /var/tmp >> /root/info;
mount >> /root/info ;
lsblk >> /root/info ;
free -m >> /root/info ;
dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288;
chown root:root /root/swapfile1;
chmod 0600 /root/swapfile1;
mkswap /root/swapfile1;
swapon /root/swapfile1;
free -m >> /root/info ;
df -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output; rm -f /root/swapfile1

#+END_SRC

#+BEGIN_EXAMPLE

total 0 drwxr-xr-x 2 portage portage 40 Aug 18 01:49 . drwxr-xr-x 6 root root 360 Aug 18 01:49 ..

total 8.0K drwxrwxrwt 1 root root 4.0K Aug 18 01:49 . drwxr-xr-x 1 root root 4.0K Aug 10 21:06 .. -rw-r--r-- 1 root root 0 Aug 10 21:06 .keep lrwxrwxrwx 1 portage portage 12 Aug 18 01:49 portage -> /dev/portage

overlay on / type overlay (rw,relatime,lowerdir=/var/lib/docker/overlay2/l/67DKE6VJBT627P3WG2AJGRIVZ3:/var/lib/docker/overlay2/l/WG4BBEKCZYHQDWRWT7HFAQOXQL,upperdir=/var/lib/docker/overlay2/6f36adc5ca482acc850ccac9c3978c7d2cbf4fdf4e75a1a08cb555e136e6c4e0/diff,workdir=/var/lib/docker/overlay2/6f36adc5ca482acc850ccac9c3978c7d2cbf4fdf4e75a1a08cb555e136e6c4e0/work) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev type tmpfs (rw,nosuid,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=666) sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,relatime,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (ro,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/perf_event type cgroup (ro,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/hugetlb type cgroup (ro,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/cpuset type cgroup (ro,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/devices type cgroup (ro,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/memory type cgroup (ro,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (ro,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/pids type cgroup (ro,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (ro,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/freezer type cgroup (ro,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/blkio type cgroup (ro,nosuid,nodev,noexec,relatime,blkio) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) /dev/xvda1 on /etc/resolv.conf type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hostname type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hosts type ext4 (rw,relatime,discard,data=ordered) shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k) proc on /proc/bus type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/fs type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/irq type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sys type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sysrq-trigger type proc (ro,nosuid,nodev,noexec,relatime) tmpfs on /proc/kcore type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_list type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_stats type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/sched_debug type tmpfs (rw,nosuid,mode=755) tmpfs on /sys/firmware type tmpfs (ro,relatime)

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 40G 0 disk `-xvda1 202:1 0 40G 0 part /etc/hosts xvdb 202:16 0 4G 0 disk

          total        used        free      shared  buff/cache   available

Mem: 3762 166 1294 5 2301 3398 Swap: 0 0 0

          total        used        free      shared  buff/cache   available

Mem: 3762 166 768 5 2828 3398 Swap: 0 0 0

Filesystem 1M-blocks Used Available Use% Mounted on overlay 40182 5343 33104 14% / tmpfs 1882 0 1882 0% /dev tmpfs 1882 0 1882 0% /sys/fs/cgroup /dev/xvda1 40182 5343 33104 14% /etc/hosts shm 64 0 64 0% /dev/shm tmpfs 1882 0 1882 0% /sys/firmware

root 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.114432 s, 733 MB/s

/dev 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.0740235 s, 1.1 GB/s

swapon: /root/swapfile1: swapon failed: Operation not permitted

#+END_EXAMPLE

| MB/s | tmpfs | root | |------+-------+------| | dpl | 618 | 434 | | | | | | doc | 548 | 355 | | | 646 | 276 | | | 559 | 321 | | | 550 | 403 | | | 1100 | 733 |

https://www.cyberciti.biz/faq/linux-add-a-swap-file-howto/⁠

⁠dd if=/dev/zero of=/swapfile1 bs=1024 count=524288

dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288

⁠chown root:root /swapfile1

⁠chmod 0600 /swapfile1

chown root:root /root/swapfile1 chmod 0600 /root/swapfile1

⁠mkswap /swapfile1

mkswap /root/swapfile1

⁠swapon /swapfile1

swapon /swapfile1

** v14

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/portage;
chown portage:portage -h /dev/portage;
ls -lha /dev/portage >> /root/info;
ln -s /dev/portage /var/tmp;
chown portage:portage /var/tmp/portage;
ls -lha /var/tmp >> /root/info;
mount >> /root/info ;
free -m >> /root/info ;
dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288;
chown root:root /root/swapfile1;
chmod 0600 /root/swapfile1;
mkswap /root/swapfile1;
swapon /root/swapfile1;
free -m >> /root/info ;
df -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output; rm -f /root/swapfile1

#+END_SRC

#+BEGIN_EXAMPLE total 0 drwxr-xr-x 2 portage portage 40 Aug 18 01:33 . drwxr-xr-x 6 root root 360 Aug 18 01:33 .. total 8.0K drwxrwxrwt 1 root root 4.0K Aug 18 01:33 . drwxr-xr-x 1 root root 4.0K Aug 10 21:06 .. -rw-r--r-- 1 root root 0 Aug 10 21:06 .keep lrwxrwxrwx 1 root root 12 Aug 18 01:33 portage -> /dev/portage overlay on / type overlay (rw,relatime,lowerdir=/var/lib/docker/overlay2/l/7OCBV4VOVPGREVNWOEFHJPTQ4N:/var/lib/docker/overlay2/l/KF7CFTJ57O5BG267FBV3PWE5RQ,upperdir=/var/lib/docker/overlay2/586e0773c39bc9f17de774cb3a47e0d98a73f42ff283c3f9f87a28a3692b0dd8/diff,workdir=/var/lib/docker/overlay2/586e0773c39bc9f17de774cb3a47e0d98a73f42ff283c3f9f87a28a3692b0dd8/work) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev type tmpfs (rw,nosuid,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=666) sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,relatime,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (ro,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/blkio type cgroup (ro,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/cpuset type cgroup (ro,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (ro,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (ro,nosuid,nodev,noexec,relati cgroup on /sys/fs/cgroup/freezer type cgroup (ro,nosuid,nodev,noexec,relatime,f cgroup on /sys/fs/cgroup/devices type cgroup (ro,nosuid,nodev,noexec,relatime,d cgroup on /sys/fs/cgroup/hugetlb type cgroup (ro,nosuid,nodev,noexec,relatime,h cgroup on /sys/fs/cgroup/pids type cgroup (ro,nosuid,nodev,noexec,relatime,pids cgroup on /sys/fs/cgroup/perf_event type cgroup (ro,nosuid,nodev,noexec,relatim cgroup on /sys/fs/cgroup/memory type cgroup (ro,nosuid,nodev,noexec,relatime,me mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) /dev/xvda1 on /etc/resolv.conf type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hostname type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hosts type ext4 (rw,relatime,discard,data=ordered) shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k) proc on /proc/bus type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/fs type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/irq type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sys type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sysrq-trigger type proc (ro,nosuid,nodev,noexec,relatime) tmpfs on /proc/kcore type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_list type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_stats type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/sched_debug type tmpfs (rw,nosuid,mode=755) tmpfs on /sys/firmware type tmpfs (ro,relatime) total used free shared buff/cache available Mem: 3762 184 2147 5 1430 3379 Swap: 0 0 0 Filesystem 1M-blocks Used Available Use% Mounted on overlay 40182 4438 34009 12% / tmpfs 1882 0 1882 0% /dev tmpfs 1882 0 1882 0% /sys/fs/cgroup /dev/xvda1 40182 4438 34009 12% /etc/hosts shm 64 0 64 0% /dev/shm tmpfs 1882 0 1882 0% /sys/firmware root 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.208406 s, 403 MB/s /dev 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.152652 s, 550 MB/s

#+END_EXAMPLE

| MB/s | tmpfs | root | |------+-------+------| | dpl | 618 | 434 | | | | | | doc | 548 | 355 | | | 646 | 276 | | | 559 | 321 | | | | |

https://www.cyberciti.biz/faq/linux-add-a-swap-file-howto/⁠

⁠dd if=/dev/zero of=/swapfile1 bs=1024 count=524288

dd if=/dev/zero of=/root/swapfile1 bs=1024 count=524288

⁠chown root:root /swapfile1

⁠chmod 0600 /swapfile1

chown root:root /root/swapfile1 chmod 0600 /root/swapfile1

⁠mkswap /swapfile1

mkswap /root/swapfile1

⁠swapon /swapfile1

swapon /swapfile1

** v13

#+HEADER: :tangle Dockerfile #+BEGIN_SRC sh

⁠FROM busybox

FROM gentoo/stage3-amd64-hardened

RUN
mkdir /usr/portage /dev/portage;
chown portage:portage /dev/portage;
ls -lha /dev/portage >> /root/info;
ln -s /dev/portage /var/tmp;
chown portage:portage /var/tmp/portage;
ls -lha /var/tmp >> /root/info;
mount >> /root/info ;
free -m >> /root/info ;
df -m >> /root/info ;
echo "root" >> /root/info; dd if=/dev/zero of=/output bs=8k count=10k 2>> /root/info; rm -f /output;
echo "/dev" >> /root/info;
dd if=/dev/zero of=/dev/output bs=8k count=10k 2>> /root/info; rm -f /dev/output

#+END_SRC

#+BEGIN_EXAMPLE

total 0 drwxr-xr-x 2 portage portage 40 Aug 17 10:25 . drwxr-xr-x 6 root root 360 Aug 17 10:25 ..

total 8.0K drwxrwxrwt 1 root root 4.0K Aug 17 10:25 . drwxr-xr-x 1 root root 4.0K Aug 10 21:06 .. -rw-r--r-- 1 root root 0 Aug 10 21:06 .keep lrwxrwxrwx 1 root root 12 Aug 17 10:25 portage -> /dev/portage

overlay on / type overlay (rw,relatime,lowerdir=/var/lib/docker/overlay2/l/XGAVGQG2NNVNIDVY2PBISGFU4F:/var/lib/docker/overlay2/l/JUECVUVDGZFTLG44AFXYTTO5NY,upperdir=/var/lib/docker/overlay2/f23487bf814b53c5efdaa209585af8ff4df0a208e41b78cb089c871109ed5b93/diff,workdir=/var/lib/docker/overlay2/f23487bf814b53c5efdaa209585af8ff4df0a208e41b78cb089c871109ed5b93/work) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev type tmpfs (rw,nosuid,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=666) sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,relatime,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (ro,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/freezer type cgroup (ro,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/hugetlb type cgroup (ro,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/cpuset type cgroup (ro,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (ro,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/pids type cgroup (ro,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/memory type cgroup (ro,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/perf_event type cgroup (ro,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/devices type cgroup (ro,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/blkio type cgroup (ro,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (ro,nosuid,nodev,noexec,relatime,cpu,cpuacct) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) /dev/xvda1 on /etc/resolv.conf type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hostname type ext4 (rw,relatime,discard,data=ordered) /dev/xvda1 on /etc/hosts type ext4 (rw,relatime,discard,data=ordered) shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k) proc on /proc/bus type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/fs type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/irq type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sys type proc (ro,nosuid,nodev,noexec,relatime) proc on /proc/sysrq-trigger type proc (ro,nosuid,nodev,noexec,relatime) tmpfs on /proc/kcore type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_list type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/timer_stats type tmpfs (rw,nosuid,mode=755) tmpfs on /proc/sched_debug type tmpfs (rw,nosuid,mode=755) tmpfs on /sys/firmware type tmpfs (ro,relatime)

          total        used        free      shared  buff/cache   available

Mem: 3762 191 2141 5 1429 3372 Swap: 0 0 0

Filesystem 1M-blocks Used Available Use% Mounted on overlay 40182 4438 34009 12% / tmpfs 1882 0 1882 0% /dev tmpfs 1882 0 1882 0% /sys/fs/cgroup /dev/xvda1 40182 4438 34009 12% /etc/hosts shm 64 0 64 0% /dev/shm tmpfs 1882 0 1882 0% /sys/firmware

root 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.261689 s, 321 MB/s

/dev 10240+0 records in 10240+0 records out 8388608