* Gravar seção terminal linux de todos os usuários:

<code>
mkdir /var/log/session/
chmod 773 /var/log/session/

# check with script is installed
# /etc/profile

timestamp=`date "+%m%d%Y%H%M"`
output=/var/log/session/session.$USER.$$.$timestamp
SESSION_RECORD=started
export SESSION_RECORD
script -t -f -q 2>${output}.timing $output
chmod 600 $output

</code>

  * [[https://www.2daygeek.com/automatically-record-all-users-terminal-sessions-activity-linux-script-command/|https://www.2daygeek.com/automatically-record-all-users-terminal-sessions-activity-linux-script-command/]]

===== Compartilhando screen com outro usuário. =====

UsuárioA :
<code>

$ cat ~/.screenrc

multiuser on
acladd root
acladd william
# style of screen :D
caption string "%?%F%{= Bk}%? %C%A %D %d-%m-%Y %{= kB} %t%= %?%F%{= Bk}%:%{= wk}%? %n "
caption always
hardstatus alwayslastline
hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %d/%m %{W}%c %{g}]'

</code>

Usuário A:

screen -S MeuScreenShared

Usuário william:

<code>
screen -x usuarioA/MeuScreenShared
# se tiver mais de um screen aberto, coloque -r e o pid.tty do screen
screen -x usuarioA/MeuScreenShared -r 1529630.MeuScreenShared

</code>

Para facilitar para Usuário A:

<code>
$ cat ~/.bash_profile

alias sharedscreen="screen -S MeuScreenShared"

</code>

==== Manipulando PDFs ====

Converter PDF A0, A1 … para multiplos A4

<code>
mutool poster -x 6 -y 3 /tmp/arquivo-origem.pdf /tmp/arqiuvo-saida.pdf

</code>
==== RPM vs DPKG ====

Equivalente:

<code>
rpm -qf $(which PROGRAMA) | dpkg -S $(which PROGRAMA)

</code>

==== Verificar pwd de um processo em execução ====

<code>
lsof -p 1570
pwdx
pwdx 1570
readlink -e /proc/1570/cwd/
</code>

==== Fedora upgrade security ====

<code>
dnf upgrade --refresh --advisory=FEDORA-2024-d02c7bb266
</code>