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changes in bluefeds: 

- change journald behaviour
 - replace nvim plugin section with a command
 - update pratham's and root's crontabs
This commit is contained in:
Pratham Patel 2023-01-12 11:59:44 +05:30
parent 62ff7785f2
commit c7672fca76
1 changed files with 31 additions and 20 deletions
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51
content/posts/bluefeds.md
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@ -59,6 +59,16 @@ echo "wireguard" | sudo tee /etc/modules-load.d/wireguard.conf
```
### Change systemd/journald behaviour
```bash
sudo sed -i 's/#Storage=/Storage=persistent/g' /etc/systemd/journald.conf
sudo sed -i 's/#Compress=/Compress=yes/g' /etc/systemd/journald.conf
sudo sed -i 's/#SystemMaxUse=/SystemMaxUse=1000M/g' /etc/systemd/journald.conf
sudo sed -i 's/#RuntimeMaxUse=/RuntimeMaxUse=200M/g' /etc/systemd/journald.conf
```
### SSH hardening
```bash
@ -199,9 +209,9 @@ sudo chsh -s $(which zsh) pratham
```bash
sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
```
**Open `nvim` and type `:PlugInstall`**
nvim +'PlugInstall' +'q' +'q'
```
### Enable systemd services
@ -459,41 +469,42 @@ systemctl --user enable container-caddy-vishwambhar.service container-gitea-chit
### user crontab
```bash
# always add ">/dev/null 2>&1" at the end of cronjobs
# to prevnet a `dead.letter` in $HOME/
# run maintainence scripts
* * * * * /home/pratham/.scripts/reddish/cron/pratham/check-caddy.sh > /dev/null
* * * * * /home/pratham/.scripts/reddish/cron/pratham/zfs-pool-health.sh > /dev/null
0 * * * * /home/pratham/.scripts/reddish/cron/pratham/container-updates.sh > /dev/null
# create zfs snapshots every Friday
0 0 * * 5 /sbin/zfs snapshot trayimurti/containers/volumes/uptimekuma@"$(date +%Y_%m_%d__%H_%M_%S)" > /dev/null
0 0 * * 5 /sbin/zfs snapshot trayimurti/containers/volumes/gitea@"$(date +%Y_%m_%d__%H_%M_%S)" > /dev/null
0 0 * * 5 /sbin/zfs snapshot trayimurti/containers/volumes/nextcloud@"$(date +%Y_%m_%d__%H_%M_%S)" > /dev/null
# check if containers are running or not; restart if stopped
*/5 * * * * bash /home/pratham/.scripts/_bluefeds/cron/pratham/maintenance.sh >/dev/null 2>&1
# keep journal size up-to 200M
0 0 * * * /bin/journalctl -vacuum-size=200M > /dev/null
# update neovim plugins
0 0 * * * /home/pratham/.scripts/reddish/cron/pratham/neovim-update.sh > /dev/null
# run Nextcloud cron
*/5 * * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/cron.php >/dev/null 2>&1
*/5 * * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/cron.php > /dev/null
# Nextcloud: scan files for all users and perform cleanup
10 */2 * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/occ files:scan --all >/dev/null 2>&1
40 */2 * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/occ files:cleanup >/dev/null 2>&1
10 */2 * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/occ files:scan --all > /dev/null
40 */2 * * * podman exec -u www-data nextcloud-govinda /usr/local/bin/php -f /var/www/html/occ files:cleanup > /dev/null
```
### root crontab
```bash
# always add ">/dev/null 2>&1" at the end of cronjobs
# to prevnet a `dead.letter` in $HOME/
# update fs database every 6 hours
* */6 * * * updatedb >/dev/null 2>&1
# create zfs snapshots every Friday
0 0 * * 5 bash /home/pratham/.scripts/_bluefeds/cron/root/zfs-bak.sh >/dev/null 2>&1
* */6 * * * updatedb > /dev/null
# check for updates every hour
0 * * * * /home/pratham/.scripts/reddish/cron/root/dnf-upgrades.sh > /dev/null
# start scrub
# on the first Friday of every month
# at 2100 hours
0 21 * * 5 [ $(date +\%d) -le 07 ] && /sbin/zpool scrub >/dev/null 2>&1
0 21 * * 5 [ $(date +\%d) -le 07 ] && /sbin/zpool scrub trayimurti && /home/pratham/.scripts/reddish/cron/pratham/zfs-scrub.sh > /dev/null
```