Difference between revisions of "Miscellaneous"
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− | + | == Find open files on mount == | |
+ | sudo lsof +f -- /var/media | ||
+ | Also useful in case you're trying to work out why an unmounted partition is still showing as 'in use' in tools like e2fsck: | ||
+ | sudo fuser -v -m /dev/sdX1 | ||
− | + | == List hardware details == | |
+ | <pre> | ||
+ | sudo lshw -businfo | ||
+ | </pre> | ||
− | + | == Add swap space == | |
+ | * Create swap partition using ''fdisk'' | ||
− | + | * Create swap filesystem | |
+ | <pre> | ||
+ | sudo mkswap <device> | ||
+ | </pre> | ||
− | + | * Activate swap | |
+ | <pre> | ||
+ | sudo swapon <device> | ||
+ | </pre> | ||
− | + | * Modify /etc/fstab to allow swap to be activated at boot time | |
− | + | == Change userid/groupid for an existing user/group == | |
+ | * Change groupid in /etc/group | ||
+ | * Run '''sudo grpconv''' to update /etc/gshadow | ||
+ | * Change userid in /etc/passwd (and also the primary groupid for any changed groupids) | ||
+ | * Run '''sudo pwconv''' to update /etc/shadow | ||
− | + | == Music Naming Strategy == | |
+ | {| border="1" | ||
+ | !Type!!Title!!TrackNum!!Artist!!Sort Artist!!Album Artist!!Sort Album Artist!!Album!!Sort Album!!Disc!!Genre!!Compilation | ||
+ | |- | ||
+ | !!!TIT2!!TRCK!!TPE1!!TSOP!!TPE2!!TSO2!!TALB!!TSOA!!TPOS!!TCON!!TCMP | ||
+ | |- | ||
+ | |Albums||Title||TrackNum||Artist||'''BLANK'''||''Directory1''||'''BLANK''' / ''Number word''||Album||''Directory2 [Disc n]''||Disc||Genre||'''BLANK''' | ||
+ | |- | ||
+ | |Compilations||Title||TrackNum||Artist||'''BLANK'''||'''Various Artists'''||'''ZZZD'''||Album||''Directory2 [Disc n]''||Disc||Genre||'''1''' | ||
+ | |- | ||
+ | |Singles||Title||'''BLANK'''||Artist||'''BLANK'''||'''Various Artists'''||'''ZZZH'''||'''Singles'''||'''BLANK'''||'''BLANK'''||Genre||'''1''' | ||
+ | |- | ||
+ | |Soundtracks||Title||TrackNum||Artist||'''BLANK'''||'''Various Artists'''||'''ZZZL'''||Album||''Directory2 [Disc n]''||Disc||'''Soundtrack (24)'''||'''1''' | ||
+ | |- | ||
+ | |Spoken||Title||TrackNum||Artist||'''BLANK'''||''Directory1''||'''ZZZP'''||Album||''Directory2 [Disc n]''||Disc||Genre||'''BLANK''' | ||
+ | |- | ||
+ | |Fun||Title||'''BLANK'''||Artist||'''BLANK'''||'''BLANK'''||'''ZZZT'''||'''Fun'''||'''BLANK'''||'''BLANK'''||'''Comedy (57)'''||'''1''' | ||
+ | |} | ||
− | + | * '''Albums''': eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:$artist" --set-text-frame="TSO2:" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:" $file | |
+ | * '''Compilations''': eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZD" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:1" $file | ||
+ | * '''Singles''': eyeD3 --to-v2.3 --set-text-frame="TRCK:" --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZH" --set-text-frame="TALB:Singles" --set-text-frame="TSOA:" --set-text-frame="TPOS:" --set-text-frame="TCMP:1" $file | ||
+ | * '''Soundtracks''': eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZL" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:1" $file | ||
− | + | === File Ownership === | |
+ | * chown root:admin $file | ||
+ | * chmod 664 $file | ||
+ | * chown root:admin $dir | ||
+ | * chmod 775 $dir | ||
− | + | == Measuring LAN performance == | |
+ | Host 1 (linux): | ||
+ | <pre> | ||
+ | iperf -s -p 8123 | ||
+ | </pre> | ||
+ | Host 2 (mac): | ||
+ | <pre> | ||
+ | ~/bin/iperf -c host1 -p 8123 | ||
+ | </pre> | ||
− | == | + | == screen: Start a screen session with a title == |
− | + | screen -S <title> |
Latest revision as of 07:59, 3 November 2021
Contents
Find open files on mount
sudo lsof +f -- /var/media
Also useful in case you're trying to work out why an unmounted partition is still showing as 'in use' in tools like e2fsck:
sudo fuser -v -m /dev/sdX1
List hardware details
sudo lshw -businfo
Add swap space
- Create swap partition using fdisk
- Create swap filesystem
sudo mkswap <device>
- Activate swap
sudo swapon <device>
- Modify /etc/fstab to allow swap to be activated at boot time
Change userid/groupid for an existing user/group
- Change groupid in /etc/group
- Run sudo grpconv to update /etc/gshadow
- Change userid in /etc/passwd (and also the primary groupid for any changed groupids)
- Run sudo pwconv to update /etc/shadow
Music Naming Strategy
Type | Title | TrackNum | Artist | Sort Artist | Album Artist | Sort Album Artist | Album | Sort Album | Disc | Genre | Compilation |
---|---|---|---|---|---|---|---|---|---|---|---|
TIT2 | TRCK | TPE1 | TSOP | TPE2 | TSO2 | TALB | TSOA | TPOS | TCON | TCMP | |
Albums | Title | TrackNum | Artist | BLANK | Directory1 | BLANK / Number word | Album | Directory2 [Disc n] | Disc | Genre | BLANK |
Compilations | Title | TrackNum | Artist | BLANK | Various Artists | ZZZD | Album | Directory2 [Disc n] | Disc | Genre | 1 |
Singles | Title | BLANK | Artist | BLANK | Various Artists | ZZZH | Singles | BLANK | BLANK | Genre | 1 |
Soundtracks | Title | TrackNum | Artist | BLANK | Various Artists | ZZZL | Album | Directory2 [Disc n] | Disc | Soundtrack (24) | 1 |
Spoken | Title | TrackNum | Artist | BLANK | Directory1 | ZZZP | Album | Directory2 [Disc n] | Disc | Genre | BLANK |
Fun | Title | BLANK | Artist | BLANK | BLANK | ZZZT | Fun | BLANK | BLANK | Comedy (57) | 1 |
- Albums: eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:$artist" --set-text-frame="TSO2:" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:" $file
- Compilations: eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZD" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:1" $file
- Singles: eyeD3 --to-v2.3 --set-text-frame="TRCK:" --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZH" --set-text-frame="TALB:Singles" --set-text-frame="TSOA:" --set-text-frame="TPOS:" --set-text-frame="TCMP:1" $file
- Soundtracks: eyeD3 --to-v2.3 --set-text-frame="TSOP:" --set-text-frame="TPE2:Various Artists" --set-text-frame="TSO2:ZZZL" --set-text-frame="TSOA:$album" --set-text-frame="TCMP:1" $file
File Ownership
- chown root:admin $file
- chmod 664 $file
- chown root:admin $dir
- chmod 775 $dir
Measuring LAN performance
Host 1 (linux):
iperf -s -p 8123
Host 2 (mac):
~/bin/iperf -c host1 -p 8123
screen: Start a screen session with a title
screen -S <title>