I am currently running ubuntu 22.04 with a /boot size of 524Mb with 296Mb free. I have already removed old configs and kernels but this initrd.img-6.5.0-44-generic file seems to occupy a lot of space:
total 165260-rw-r--r-- 1 root root 281081 Jun 7 18:29 config-6.5.0-44-genericdrwxr-xr-x 4 root root 4096 Jan 1 1970 efidrwxr-xr-x 5 root root 4096 Sep 11 23:23 grublrwxrwxrwx 1 root root 27 Sep 5 23:54 initrd.img -> initrd.img-6.5.0-44-generic-rw-r--r-- 1 root root 145793563 Sep 6 11:37 initrd.img-6.5.0-44-genericlrwxrwxrwx 1 root root 27 Sep 11 23:23 initrd.img.old -> initrd.img-6.5.0-44-genericdrwx------ 2 root root 16384 Jan 31 2024 lost+found-rw-r--r-- 1 root root 148440 Aug 19 2023 memtest86+x64.bin-rw-r--r-- 1 root root 149504 Aug 19 2023 memtest86+x64.efi-rw------- 1 root root 8527335 Jun 7 18:29 System.map-6.5.0-44-genericlrwxrwxrwx 1 root root 24 Sep 5 23:54 vmlinuz -> vmlinuz-6.5.0-44-generic-rw------- 1 root root 14304328 Jun 7 19:09 vmlinuz-6.5.0-44-genericlrwxrwxrwx 1 root root 24 Sep 11 23:23 vmlinuz.old -> vmlinuz-6.5.0-44-genericsnnipetr@mahoraga:~$Is it safe to delete this file? Also, what is its purpose?Thanks.
EDIT: Added output of lsblk
snnipetr@mahoraga:~$ lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTSloop0 7:0 0 4K 1 loop /snap/bare/5loop1 7:1 0 173.5M 1 loop /snap/brave/436loop2 7:2 0 173M 1 loop /snap/brave/438loop3 7:3 0 167.6M 1 loop /snap/chromium/2943loop4 7:4 0 313.7M 1 loop /snap/code/168loop5 7:5 0 63.9M 1 loop /snap/core20/2318loop6 7:6 0 74.3M 1 loop /snap/core22/1586loop7 7:7 0 74.3M 1 loop /snap/core22/1612loop8 7:8 0 67.8M 1 loop /snap/cups/1058loop9 7:9 0 240.5M 1 loop /snap/firefox/3216loop10 7:10 0 271.2M 1 loop /snap/firefox/4848loop11 7:11 0 10.7M 1 loop /snap/firmware-updater/121loop12 7:12 0 10.7M 1 loop /snap/firmware-updater/127loop13 7:13 0 7.4M 1 loop /snap/gedit/684loop14 7:14 0 497M 1 loop /snap/gnome-42-2204/141loop15 7:15 0 505.1M 1 loop /snap/gnome-42-2204/176loop16 7:16 0 91.7M 1 loop /snap/gtk-common-themes/1535loop17 7:17 0 10.2M 1 loop /snap/snap-store/1106loop18 7:18 0 10.5M 1 loop /snap/snap-store/1173loop19 7:19 0 40.4M 1 loop /snap/snapd/20671loop20 7:20 0 38.8M 1 loop /snap/snapd/21759loop21 7:21 0 452K 1 loop /snap/snapd-desktop-integration/83loop22 7:22 0 139M 1 loop sda 8:0 0 931.5G 0 disk ├─sda1 8:1 0 260M 0 part ├─sda2 8:2 0 16M 0 part ├─sda3 8:3 0 123G 0 part ├─sda4 8:4 0 631M 0 part ├─sda5 8:5 0 390.9G 0 part └─sda6 8:6 0 416.7G 0 part sdb 8:16 0 931.5G 0 disk └─sdb1 8:17 0 931.5G 0 part /media/snnipetr/T7nvme0n1 259:0 0 953.9G 0 disk ├─nvme0n1p1 259:1 0 260M 0 part /boot/efi├─nvme0n1p2 259:2 0 16M 0 part ├─nvme0n1p3 259:3 0 200G 0 part ├─nvme0n1p4 259:4 0 652.6G 0 part ├─nvme0n1p5 259:5 0 30G 0 part /var/snap/firefox/common/host-hunspell│ /├─nvme0n1p6 259:6 0 1G 0 part ├─nvme0n1p7 259:7 0 20G 0 part /home├─nvme0n1p8 259:8 0 20G 0 part /var├─nvme0n1p9 259:9 0 20G 0 part /tmp├─nvme0n1p10 259:10 0 500M 0 part /boot└─nvme0n1p11 259:11 0 9.5G 0 part /usr/local