| Linux假?衙扴1求求求蚚誧梛瘍 --------------------------------------------------------------------------------楷票氪:gouy2k 懂埭: 濬梗:埻斐毞華 ??:02-16 踏?/軞銡擬: 3/488 Linux假?衙扴1求求求蚚誧梛瘍 By gouy2k www.s8s8.net 扂蠅眭耋[M$]腔windows岆穢韌啃堤ㄛ筍岆湮窒煦奀緊扂蠅飲婓?忳ㄛ秪峈widows腔眢蚚俶妏扂蠅竭麵忔?坳涴跺?敞啃謂腔陲陲﹝筍岆呴覂Linux囀瞄腔祥剿汔撰睿芞倛蝠誑賜醱腔祥剿俇囡ㄛ埣懂埣嗣腔?羲宎郭彸妏蚚Linux涴跺勤坻蠅懂佽遜眈絞陔?腔OS.筍岆岈妗奻甜羶衄陲昹岆坋?坋藝腔ㄛ壺賸炵苀掛旯腔秪匼眳俋ㄛ竭嗣?峈腔埻秪飲頗婖傖涴跺勍嗣??峈掀Ms Windows假?腔OS曹腕祥假?﹝婓諉狟懂ㄛ扂蠅頗枒蹦婓假蚾賸珨跺Linux綴婓假?源醱茼蜆蛁砩腔珨虳價掛腔源醱﹝稱稱ㄐㄐㄐㄐㄐㄐ 扂蔚頗植鞠跺源醱賡庄linux腔假?ㄛ菴珨跺岆蚚誧梛瘍ㄛ疑ㄛ煙趕屾佽ㄛ扂蠅鎮奻羲宎﹝ Linux腔腔垀衄奪燴髡夔飲蚕等跺梛瘍砅衄ㄛ坳憩岆root,佽啞賸憩眈絞衾win2k腔administrator梛瘍ㄛ請楊祥肮啦賸﹝ Root妏斕夔劂勤垀衄訧埭酕郔湮腔覃淕ㄛ斕遜褫眕衄?眻諉埰勍麼擇橈等跺蚚誧ㄛ珨窒煦蚚誧麼垀衄蚚誧腔腔溼恀﹝Root褫眕諷秶蚚誧溼恀?癹摯?蚚誧湔溫恅璃腔弇离ㄛ遜褫眕諷秶蚚誧褫眕溼恀闡虳訧埭ㄛ眕摯蚚誧?睡腕眭闡虳訧埭褫眕掩溼恀﹝ 竭嗣?飲?墅ㄛ峈妦繫赻撩剒猁壺賸root眳俋腔鍔珨跺梛瘍ㄛ麵耋祥褫眕眻諉妏蚚root鎘ˋˋ湘偶岆竭隴?腔ㄛ橈勤祥猁參root妏蚚衾跺?醴腔ㄛ壺準婓衄橈勤斛猁腔?錶狟ㄛ掀?佽炵苀閥葩脹﹝峈睡猁涴繫酕儸ˋ忑珂ㄛ?彆斕茧衄root腔橈勤妏蚚?ㄛ恅璃睿溼恀諷秶勤斕懂佽羶衄?睡砩砱ㄛ斕褫眕婓?睡奀潔勤坻蠅輛俴蜊雄﹝筍岆ㄛ?彆勤涴笱?瞳輛俴斂蚚寀頗婖傖祥斛猁腔囷囮﹝?棒ㄛ?彆斕眻諉妏蚚root寀頗參斕腔炵苀惟繞婓拸楊啎聆腔假?哏赲眳狟﹝ 諉狟懂扂蔚參梛瘍腔斐膘睿奪燴煦侐窒煦懂枒蹦 梛瘍習謹 珨啜懂佽珨跺梛瘍婦漪謗跺猁匼ㄩ珨岆忨?腎翻ㄛ鍚珨岆忨?溼恀﹝ 忨?腎翻岆蚚誧腔珨笱杻?ㄛ岆祥褫眕呴砩忨?腔﹝?彆斕峈蚚誧枑鼎笭猁督昢腔肮奀奧衱祥董軑坻蠅shell溼恀溼恀?癹ㄛ饒憩梗忨軑﹝Shell溼恀岆硌蚚誧蚚誧瞳蚚堈最telnet溼恀督昢?腔掛華shellㄛ涴岆祥怮疑腔岈?ㄛ頗桸祡竭嗣鎊歲﹝掀?佽填砩shell蚚誧褫眕妏蚚堈最馴僻恅璃睿督昢﹝ ?彆婓膘蕾linux厙釐奀斛剕忨軑蚚誧shell溼恀?ㄛ褫眕粒?眕狟渠囥熬屾笐遞 等黃扢蕾珨怢儂?蚚衾shell溼恀ㄛ妏森儂?躺酕shell蚚芴 祥婓森儂奻假蚾?睡嗣豻腔督昢 掘爺炵苀ㄛ郔疑炵苀閥葩腔袧掘 祥磁?坳儂?膘蕾陓?壽炵 蛌痄媼輛秶恅璃善no setuid源宒境蚾腔煦?ㄛ參笭猁恅璃炵苀煦溫祥肮煦? 喃煦悵痐?祩腔妏蚚俶ㄛ悵痐暮翹?祩ㄛ笭隅砃?祩揣湔﹝ 梛瘍賦凳 珨跺梛瘍茼蜆婦嬤 ?;衄虴腔蚚誧靡?;睿躇鎢 ?;翋醴翹 ?;shell溼恀? 絞蚚誧腎翻linux奀ㄛlinux頗瞄勤passwd恅璃ㄛ眕?隅淏?迵瘁﹝ Passwd恅璃婦漪覂梛誧瘍腔沭醴ㄛ坳湔溫衾/etc/passwd﹝ 扂蠅懂煦昴珨跺梛瘍沭醴 gouy2k(蚚誧靡):x(冪徹樓躇腔躇鎢):0(蚚誧ID):0(郪ID):Wokao(淩妗俷靡):/home/gouy2k(蚚誧翋醴翹):/bin/bash(蚚誧shell) 婓斐膘梛瘍奀ㄛ斕腔赻雄梛瘍奪燴馱撿頗斐膘珨虳醴翹ㄛ婦嬤陔蚚誧腔翋醴翹ㄛ珨啜岆/home/user. 3.氝樓睿刉壺蚚誧 忑珂岆氝樓蚚誧ㄛ衄眕狟撓笱源宒 妏蚚韜鍔俴馱撿 扂蠅褫眕妏蚚adduser韜鍔 $adduser username ?綴扂蠅堍俴$passwd password懂扢离躇鎢峈password 鍚俋岆adduser褫眕赻雄扢离珨虳硉ㄛ婦嬤UID,GID脹﹝ 猁蛁砩腔岆?彆斕假蚾賸笐紲杶璃ㄛ寀郔疑參linux蚚誧躇鎢湔溫婓梗揭﹝秪峈坳頗惟繞蚚誧諳鍔跤珨啜蚚誧﹝ 妏蚚芞倛源宒 掀?佽竭霜俴腔linuxconf,涴爵憩祥酕砆牉佽隴ㄛ?統艘壽衾?賡庄恅梒﹝ 忒雄晤憮/etc/passwd懂氝樓蚚誧 勤衾場悝氪懂佽ㄛ涴笱源楊祥芢熱ㄛ秪峈祥怮假?ㄛ稱稱﹝ 絞忒雄晤憮奀褫眕妏蚚vipw. ?綴岆刉壺蚚誧 ?彆羶衄妏蚚諳鍔shadow,寀褫眕參蚚誧沭醴植/etc/passwd刉壺ㄛ?綴參蚚誧翋醴翹刉壺ㄗ/home/usernameㄘ﹝祥徹植/etc/passwd刉壺蚚誧沭醴奀暮蛂蚚vipw,刉壺蚚誧醴翹奀瑩? rm -r /home/username. 絞妏蚚賸諳鍔笐紲寀斛剕妏蚚userdel懂刉壺蚚誧 $ /user/sbin/userdel username 4ㄝ揭燴杻忷梛瘍 扂婓奻醱佽徹賸ㄛroot岆祥褫眕呴晞妏蚚腔ㄛ筍岆峈賸湛善妏蚚root懂奪燴炵苀腔醴腔ㄛ扂蠅褫眕妏蚚su韜鍔﹝ Su褫眕岆斕妏蚚梗?腔蚚誧ID睿郪ID懂堍俴shellㄛ筍猁眭耋淩?腔躇鎢﹝硐猁堍俴 $su 憩褫眕婃奀曹傖rootㄛ筍linux頗枑尨怀?躇鎢﹝ 絞扂蠅剒猁忨??坳蚚誧眕root旯爺堍俴議虳韜鍔奀扂蠅褫眕妏蚚sudo韜鍔﹝ 求求求求求求求求求求求求求求求求求求求求求求求求求求求求求求求求求求 絞?ㄛ躇鎢岆睿梛瘍祥褫煦賃腔ㄛ絞扂蠅剒猁腎翻linux奀ㄛ諳鍔岆竭笭猁腔ㄛ蚧?岆埰勍堈最腎翻腔linux督昢?ㄛ躇鎢寀珆腕蚧?笭猁ㄛ?彆羶衄躇鎢腔悵梤ㄛ?坳腔珨?假?渠囥飲頗珆腕毯?﹝ 猁酕善淩淏悵梤躇鎢腔假?ㄛ扂蠅褫眕粒?眕狟渠囥 假蚾shadow 扢數衄虴腔諳鍔習謹 樓?炵苀萋蕨諳鍔馴僻腔夔薯 ㄗ蛌婥?翍靡釬氪睿堤揭ㄘ 楷票氪: gouy2k 懂埭: 恅梒唳?寥埻釬氪垀衄, 帤冪埰勍?昦蛌婥, ?衄?睡恀枙?薊炵扂蠅. -------------------------------------------------------------------------------- |
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