sudo du -h /var/log
deals with the "permission denied’s
Remove old data from journal, keep just last 2 days:
journalctl --vacuum-time=2d
sudo journalctl --vacuum-time=2d
Any time you see that “permission denied”, most times it’s because sudo wasn’t used.
externet@externet-ThinkPad-T430s:/var/log$ sudo journalctl --vacuum-time=2d
Vacuuming done, freed 0B of archived journals from /var/log/journal.
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001251224-00062a85defcf09b.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012540a3-00062a85e0b5ea00.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012575c8-00062a85e0bf8e36.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-000000000125f35f-00062a85e285f185.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001262884-00062a85e2933173.journal (24.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012755e5-00062a85e6815a57.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001275d80-00062a85e79c3a92.journal (55.3M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012977ba-00062a85eda86869.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012a3d93-00062a85f0d5e600.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012abb42-00062a85f29e0c16.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012af067-00062a85f2aa858f.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012b1ec4-00062a85f4618288.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012b9ef9-00062a85f58ee882.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012bd161-00062a85f6324351.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012c4f3f-00062a85f7fa6f97.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012c8464-00062a85f805a141.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012d020d-00062a85f9cd5dfb.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012d33f2-00062a85fa349a58.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012db4cf-00062a85fb9aa60a.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012de35c-00062a85fd56b716.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012e1881-00062a85fd635976.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012e963c-00062a85ff272387.journal (24.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000012fd568-00062a8602c1af87.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013003e8-00062a86047dc255.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001306756-00062a8604f09349.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013081ce-00062a860646e59a.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-000000000130d4ac-00062a860659927f.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-000000000130ff66-00062a86080ea417.journal (55.3M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013176a6-00062a86087f0548.journal (3.6M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-000000000133df49-00062a86110939dc.journal (24.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013422df-00062a8611a4d6c5.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001351e50-00062a8614a31447.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013564b1-00062a86166177ad.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-0000000001359bcc-00062a86166a73fb.journal (48.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-000000000135bc85-00062a86170820dc.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-000000000137c70b-00062a861d94133e.journal (24.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-000000000137e0a9-00062a861e6c7f1b.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-000000000138fbea-00062a8622df796f.journal (24.8M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013a0450-00062a862609bf71.journal (3.5M).
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Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013b9668-00062a862a206ab8.journal (16.0M).
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Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013c2066-00062a862bfb4f4e.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013c9260-00062a862dadfd4f.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013d1024-00062a862f733200.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013d36e4-00062a8630bd7f4b.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013d3e9b-00062a86312e94e6.journal (16.0M).
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Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013dbef6-00062a86325ab3da.journal (24.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013e4404-00062a8633c3e3ad.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013efbdc-00062a8636914b20.journal (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013f56c0-00062a863792b846.journal (3.5M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013f7990-00062a863858d330.journal (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@a0d4f4d92d314f8ab8e2418294f66eb1-00000000013faeb5-00062a86386a1414.journal (8.0M).
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Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@00062cf170fe8e41-155c2377c7fa7b52.journal~ (16.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@00062cf1e13f48ec-a06be2879e599d27.journal~ (8.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/system@5cce9cca3b264de7a63e54fc10c1bdf9-00000000016011f2-00062cf1df31ffc6.journal (48.0M).
Deleted archived journal /var/log/journal/a6e8fe0391e841cc90b4e869814b2615/user-1000@5cce9cca3b264de7a63e54fc10c1bdf9-00000000016019ed-00062cf1e13f4723.journal (6.6M).
Vacuuming done, freed 1.5G of archived journals from /var/log/journal/a6e8fe0391e841cc90b4e869814b2615.
Vacuuming done, freed 0B of archived journals from /run/log/journal.
externet@externet-ThinkPad-T430s:/var/log$
Did I goof ?
Dunque hai guadagnato 1.5 GB rivedi la situazione dall’inizio.
nope, you didn’t goof
thats exactly what supposed to happen
Now run “sudo du -h /var/log” again to see the change
Sorry I’m repeating in English: you removed 1.5 GB check your space from beginning.
Hey, that is perfectly understandable italian for me. 
gained 1.5GB so far. I guess there is like 15GB of junk hiding somewhere…
ok…the journal went from 1.6G to 25M.
oh, ain’t outta the woods yet…
We like to see a bit more available and free space than this.
now run “snap list”
I get a feeling there’s some snaps listed which you dont use.
The thing about snaps, they tend to use more space and ram than their basic counterparts.
I dont use snaps, but I do use brave…the non-snap version
Is there anything in that list you know you use?
Check also your home: sudo du -sh * | sort -rg
and space from snaps: sudo lsblk -o NAME,LABEL,SIZE,FSTYPE,MOUNTPOINT
1 Like
Am very ignorant ! ; but I believe i use Brave, gedit, gnome (if that is the ‘desktop’), whatsapp,
No clue what cores, cups, kde, kf, simplenote are or do in my compfuser.
externet@externet-ThinkPad-T430s:/var/log$ sudo du -sh * | sort -rg
[sudo] password for externet:
664K syslog
612K kern.log
256K ipp-usb
192K apt
148K wtmp
148K auth.log.1
128K sysstat
108K bootstrap.log
84K dmesg.0
84K dmesg
64K cups
60K dpkg.log.1
56K lastlog
52K unattended-upgrades
25M journal
24K faillog
20M syslog.1
16K fontconfig.log
16K boot.log.1
13M kern.log.1
12K boot.log.7
12K boot.log.6
12K boot.log.5
12K boot.log.4
12K boot.log.3
12K boot.log.2
12K auth.log
8.0K upgrade
8.0K hp
8.0K alternatives.log.1
4.0K ubuntu-advantage-timer.log.1
4.0K ubuntu-advantage.log.1
4.0K speech-dispatcher
4.0K private
4.0K openvpn
4.0K gpu-manager.log
4.0K gdm3
4.0K cups-browsed
4.0K btmp.1
4.0K apport.log.1
2.0M dist-upgrade
1.1M installer
0 ubuntu-advantage-timer.log
0 ubuntu-advantage.log
0 README
0 dpkg.log
0 btmp
0 boot.log
0 apport.log
0 alternatives.log
externet@externet-ThinkPad-T430s:/var/log$
========================================
externet@externet-ThinkPad-T430s:/var/log$ sudo lsblk -o NAME,LABEL,SIZE,FSTYPE,MOUNTPOINT
NAME LABEL SIZE FSTYPE MOUNTPOINT
loop0 4K squashfs /snap/bare/5
loop1 348K /snap/krecorder/26
loop3 64M squashfs /snap/core20/2379
loop4 63.7M squashfs /snap/core20/2434
loop5 11.1M /snap/firmware-updater/167
loop6 73.9M squashfs /snap/core22/1722
loop7 66.2M squashfs /snap/core24/609
loop8 66.2M /snap/core24/716
loop9 67.8M /snap/cups/1067
loop10 67.8M /snap/cups/1058
loop11 178M /snap/brave/474
loop12 7.4M /snap/gedit/684
loop13 11.1M /snap/firmware-updater/147
loop14 349.7M /snap/gnome-3-38-2004/140
loop15 349.7M /snap/gnome-3-38-2004/143
loop16 505.1M /snap/gnome-42-2204/176
loop17 516M /snap/gnome-42-2204/202
loop18 400.1M /snap/gnome-46-2404/66
loop19 404.1M /snap/gnome-46-2404/77
loop20 91.7M /snap/gtk-common-themes/1535
loop21 81.3M /snap/gtk-common-themes/1534
loop22 438.3M /snap/kf5-5-110-qt-5-15-11-core22/3
loop23 2G /snap/kf6-core22/40
loop24 179.3M /snap/brave/476
loop25 356K /snap/krecorder/25
loop26 211.5M /snap/mesa-2404/143
loop27 1.5G /snap/root-framework/936
loop28 1.6G /snap/root-framework/943
loop29 150.4M /snap/simplenote/622
loop30 150.4M /snap/simplenote/624
loop31 44.3M /snap/snapd/23258
loop32 44.4M /snap/snapd/23545
loop33 564K /snap/snapd-desktop-integration/247
loop34 568K /snap/snapd-desktop-integration/253
loop35 90.8M /snap/whatsapp-for-linux/59
loop36 73.9M /snap/core22/1748
loop37 2G squashfs /snap/kf6-core22/41
sda 29.8G
├─sda1 1M
├─sda2 513M vfat /boot/efi
└─sda3 29.3G ext4 /
sr0 1024M
externet@externet-ThinkPad-T430s:/var/log$
You should run sudo du -sh * | sort -rg from your home, not from /var/log
1 Like
I do not need the backup iso; already archived in optical disc.