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| (11 välissä olevaa versiota 7 käyttäjän tekeminä ei näytetä) |
| Rivi 1: |
Rivi 1: |
| | == Laiteviat == |
| Laitevikojen paikallistaminen voi olla monesti ainakin aloittelijoille vaikeaa. Seuraavilla neuvoilla voit ehkä selvitä siitäkin. | | Laitevikojen paikallistaminen voi olla monesti ainakin aloittelijoille vaikeaa. Seuraavilla neuvoilla voit ehkä selvitä siitäkin. |
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| Rivi 5: |
Rivi 6: |
| * Muistit/rauta | | * Muistit/rauta |
| * Ajurit | | * Ajurit |
| * Katso mitä kernel kertoo ([[dmesg]]) | | * Katso mitä [[Kernel|kernel]] kertoo ([[dmesg]]) |
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| Muistia voi testata [http://www.memtest86.com/ Memtest86]-ohjelmalla. Se ei ole Linux-ohjelma, vaan tavallaan oma käyttöjärjestelmänsä, joka ei osaa tehdä mitään muuta kuin testata muistia. Erityisen huomattavaa on kuitenkin se, että muistissa saattaa olla vikaa, vaikkei Memtest sitä löytäisikään ja toisaalta, täysin ehjä muisti voi oireilla, jos vikaa on jossakin muussa oheislaitteessa. | | Muistia voi testata [[Memtest86+]]-ohjelmalla. Se ei ole Linux-ohjelma, vaan tavallaan oma käyttöjärjestelmänsä, joka ei osaa tehdä mitään muuta kuin testata muistia. Erityisen huomattavaa on kuitenkin se, että muistissa saattaa olla vikaa, vaikkei Memtest sitä löytäisikään ja toisaalta, täysin ehjä muisti voi oireilla, jos vikaa on jossakin muussa oheislaitteessa. |
| | |
| | == Ohjelmistopuolen ongelmat == |
| | === Internet-yhteys === |
| | Aluksi kannattaa tarkistaa <tt>ifconfig:in</tt> tuloste: |
| | /sbin/ifconfig |
| | Jos Internet-yhteys muodostetaan verkkokortin kautta (esim. suurin osa ADSL-yhteyksistä), tulisi tulosteessa näkyä kohta eth0 ja sille seuraavankaltaiset tiedot: |
| | /sbin/ifconfig |
| | eth0 Link encap:Ethernet HWaddr 00:00:0E:9C:C4:82 |
| | inet addr:81.197.59.128 Bcast:81.197.63.255 Mask:255.255.192.0 |
| | inet6 addr: fe80::200:eff:fe9c:c482/64 Scope:Link |
| | UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 |
| | RX packets:23706217 errors:0 dropped:0 overruns:0 frame:0 |
| | TX packets:26978922 errors:350 dropped:0 overruns:0 carrier:350 |
| | collisions:0 txqueuelen:1000 |
| | RX bytes:686243052 (654.4 MiB) TX bytes:1146948764 (1.0 GiB) |
| | Mikäli tulosteessa ei näy muita laitteita kuin lo (loopback), kokeile ottaa laite käyttöön. Ensimmäisen verkkokortin käyttöönoton tulisi onnistua komennolla |
| | /sbin/ifconfig up eth0 |
| | Jos kysyt [[apua]] Internet-yhteyden toimimattomuuteen, ifconfig:in tuloste kannattaa yleensä liittää viestiin mukaan. |
| | |
| | === Graafinen ympäristö === |
| | Mikäli graafinen ympäristö ei suostu käynnistymään, tiedostossa <tt>/var/log/Xorg.0.log</tt> on graafisesta ympäristösta huolehtivan X.org:in logi. Siitä voi etsiä EE:llä alkavia rivjeä, jotka kertovat virheistä. |
| | |
| | [[Apua]] kysyttäessä kannattaa usein littää kysymykseen sekä X.org:in logi että X:n asetustiedosto /etc/X11/xorg.conf. |
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| [[Luokka:Järjestelmä]] | | [[Luokka:Järjestelmä]] |
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