Diafores eukoles erotisoules

[Stelios Bounanos]

 >>>>> On Mon, 31 Mar 2003 17:48:01 -0800 (PST), Nicolas Greece
 >>>>> <nicolas26 at yahoo.com> was rumoured to have said:

 > Kalimera se olous,
 >   akoma merikes eukoles kai grigores erotisoules gia
 > esas alla simantikes gia mena...

 > 1.
 > Kano tin entoli: at 1312. Kai meta vazo to who na
 > kanei ekeini tin ora pou orisa.
 > Afto omos erxete san mail kai den emfanizete stin
 > othoni stis 13:12 opos eithela.

Tis entoles poy dineis sthn at trexei enas daemon (poy ayto bebaia ta
leei ola) o opoios den psaxnei na brei poy eisai (se poio terminal)
gia na soy deiksei tyxon output ekei. Ayto symbainei giati h
typikh xrhsh ths at einai gia batch, non-interactive doyleies.

 > Mipos giafto xreiazete h (sleep 100; echo kalimera) &
 > as poume? Ego omos pou thelo stis 13.12
 > na lavo to minima pos tha ginei?

Mporeis sthn at na dwseis
who | write user
opoy user einai to username soy. Kerdizeis kai ena beep xwris epipleon xrewsh.

 > 2.
 > Prospatho na kano crypt ena arxeio. Simfona me ta man
 > pages kai ta vivlia einai:
 > crypt <filename1 > filename 2 mou vgazei omos
 > bash: crypt: command not found

 > Den eiparxei h crypt? To idio kanei kai h encrypt

Profanws den exeis thn crypt. Sto debian yparxei kati paromoio me ayto
poy diabazeis sta biblia sto paketo mcrypt:

 mcrypt is a simple crypting program, intended to be replacement
 for the old unix crypt(1)
 More information can be found at the mcrypt homepage
 http://mcrypt.hellug.gr/

Epishs mporeis na xrhsimopoihseis to gpg.

 > 3.
 > Ksero tha exete pei 1000 fores se neopes gia to
 > unmount alla edo ta pragmata einai diaforetika:
 > Xoris na exo prosthesei kammia grammi edolis pouthena
 > mporo na do ta arxeia tou cd-rom mou.
 > Diladi: cd /mnt/cdrom kai eimai mesa!!! Kanonika den
 > tha eprepe na to kano sinexeia mount?

Kata pasa pi8anothta trexeis enan automounter. Ayto einai enas daemon
poy kanei mount mia syskeyh molis pas na kaneis access to mount point.

 > Pos ginete unmount?

Me umount /dev/cdrom (p.x.). Epishs mporeis na steileis ena signal
ston automounter (an trexeis automount blah blah) gia na kanei umount
o,ti den einai busy, leptomereies sto manual page.

 > Ti noima exei afti h edoli an einai mounted sinexeia
 > ta cdrom kai ta floppy mou?

Den einai synexeia mounted, o automounter, poy mallon exeis, kanei
umount meta apo kapoio xroniko diasthma.

 > mount -r -t iso9660/dev/cdrom/cdrom

Ypo8etw oti ennoeis mount -r -t iso9660 /dev/cdrom /cdrom
To ``mount /cdrom'' 8a prepei na arkei.

Nai, an mporeis apla na dwseis ``cd /cdrom'' 'h /mnt/cdrom
'h otidhpote tote de xreiazetai na kaneis mount me to xeri,
ektos an 8es na kaneis mount to cdrom se kapoio allo meros toy
filesystem soy.

 > Na eiste oloi kala
 > Euxaristo prokatavolika


Rgds,
/-sb.