Run grep upgrade /var/log/dpkg.log | tee lab/package-upgrades.txt.
grep upgrade /var/log/dpkg.log | tee lab/package-upgrades.txt
Find package changes and capture an evidence note.
Package/process opsgrepteedpkg
Click any instruction for the command details, the why, and the common mistake to avoid.
Run grep upgrade /var/log/dpkg.log | tee lab/package-upgrades.txt.
grep upgrade /var/log/dpkg.log | tee lab/package-upgrades.txt
Run cat lab/package-upgrades.txt.
cat lab/package-upgrades.txt
Run dpkg -s fake-openssh.
dpkg -s fake-openssh
Create a free account to sync completed lessons, XP, streaks, course status, and your next lesson across sessions.
Checking account status...
Progress sync is idle.
Progress sync stores completion IDs, scores, streaks, badges, and game settings. Terminal contents, editor snippets, lab scratch, email, and real names are never published on leaderboards or share cards.
Find package changes and capture an evidence note.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
grep [-i] <text> <file>
Find literal text inside a file.
tee <file>
Write piped text to a lab file and keep it on screen.