awfulcooking / journalfs

Mount the systemd journal as log files. FUSE filesystem

journalfs

FUSE filesystem presenting the systemd journal as directories of .log files.

Build

1. sudo apt install libsystemd-dev golang fuse3
2. make

Install

1. sudo apt install fuse3

2. echo "user_allow_other" | sudo tee -a /etc/fuse.conf

3. sudo make install

4. Create a system user and group

sudo useradd --system --user-group journalfs
sudo usermod -aG systemd-journal journalfs
sudo usermod -aG journalfs $USER

Note, you'll have to start a new shell or desktop session to activate $USER's group membership.

5. Create a mount point, set ownership and permissions:

sudo mkdir /journal
sudo chown journalfs:journalfs /journal
sudo chmod 750 /journal

6. Install the service:

sudo cp contrib/journalfs.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable --now journalfs

Directories

$ ls -1p /journal
automount/
device/
mount/
path/
scope/
service/
slice/
socket/
swap/
target/
timer/

Directories will contain .log files.

Contributions welcome

Help flesh this out, or fix bugs. See Issues for ideas.

License

GPLv3

journalfs's Issues

May be lagging output in -follow mode (e.g. `tail -f`)

New units not discovered until journalfs is restarted

The whole journal is read into memory, kept there