I錛氬湪褰撳墠琛岄
a: 鍏夋爣鍚?br />
A:鍦ㄥ綋鍓嶈灝?br />
o錛氬湪褰撳墠琛屼箣涓嬫柊寮涓琛?br />
O錛氬湪褰撳墠琛屼箣涓婃柊寮涓琛?br />
r錛氭浛鎹㈠綋鍓嶅瓧絎?br />
R錛氭浛鎹㈠綋鍓嶅瓧絎﹀強鍏跺悗鐨勫瓧絎︼紝鐩磋嚦鎸塃SC閿?img src ="http://www.tkk7.com/AlanLiu/aggbug/376795.html" width = "1" height = "1" />
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cal -鏄劇ず褰撴湀鐨勬棩鍘?br />
uptime -鏄劇ず緋葷粺浠庡紑鏈哄埌鐜板湪鎵榪愯鐨勬椂闂?br />
w -鏄劇ず鐧誨綍鐨勭敤鎴?br />
whoami -鏄劇ず浣犵殑褰撳墠鐢ㄦ埛鍚?br />
uname -a -鏄劇ず鍐呮牳淇℃伅
cat /proc/cpuinfo -鏌ョ湅cpu淇℃伅
cat /proc/meminfo -鏌ョ湅鍐呭瓨淇℃伅
cat /etc/issue -鏌ョ湅鎿嶄綔緋葷粺鐗堟湰
cat /proc/loadavg -鏌ョ湅緋葷粺璐熻澆
lspci -鍒楀嚭鎵鏈塸ci璁懼
lsusb -鍒楀嚭鎵鏈塽sb璁懼
env -鏌ョ湅鐜鍙橀噺
man command -鏄劇ずcommand鐨勮鏄庢墜鍐?br />
df -鏄劇ず紓佺洏鍗犵敤鎯呭喌
df -h -鏄劇ず紓佺洏鍗犵敤鎯呭喌錛堟牸寮忓寲鏁版嵁錛?br />
du -鏄劇ず鐩綍絀洪棿鍗犵敤鎯呭喌
free -鏄劇ず鍐呭瓨鍙婁氦鎹㈠尯鍗犵敤鎯呭喌
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4 -璇?r)
2 -鍐?w)
1 -鎵ц(x)
瀹炰緥
chmod 777 file -涓烘墍鏈夌敤鎴鋒坊鍔犺銆佸啓銆佹墽琛屾潈闄?br />
chmod 755 file -涓烘墍鏈夎呮坊鍔爎wx鏉冮檺錛屼負緇勫拰鍏朵粬鐢ㄦ埛娣誨姞rx鏉冮檺
chmod u-r file -涓烘墍鏈夎呭垹闄鏉冮檺
chmod u+r file -涓烘墍鏈夎繖娣誨姞r鏉冮檺
chmod g-r file -涓虹粍鍒犻櫎r鏉冮檺
chmod g+r file -涓虹粍娣誨姞r鏉冮檺
chmod o-r file -涓哄叾瀹冪敤鎴峰垹闄鏉冮檺
chmod o+r file -涓哄叾瀹冪敤鎴鋒坊鍔爎鏉冮檺
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ls -al -浣跨敤鏍煎紡鍖栧垪鍑洪殣钘忔枃浠?br />
cd dir -鏇存敼鐩綍鍒癲ir
cd -鏇存敼鍒癶ome鐩綍
pwd -鏄劇ず褰撳墠鐩綍
mkdir dir -鍒涘緩鐩綍dir
rm file -鍒犻櫎file
rm -r dir -鍒犻櫎鐩綍dir
rm -f file -寮哄埗鍒犻櫎file
rm -rf dir -寮哄埗鍒犻櫎鐩綍dir*
cp file1 file2 -灝唂ile1澶嶅埗鍒癴ile2
cp -r dir1 dir2 -灝哾ir1澶嶅埗鍒癲ir2錛涘鏋渄ir2涓嶅瓨鍦ㄥ垯鍒涘緩瀹?br />
mv file1 file2 -灝唂ile1閲嶅懡鍚嶆垨縐誨姩鍒癴ile2錛涘鏋渇ile2鏄竴涓瓨鍦ㄧ殑鐩綍鍒欏皢file1縐誨姩鍒癴ile2涓?br />
ln -s file link -鍒涘緩file鐨勭鍙瘋繛鎺ink 錛堣蔣link 涓嶅崰絀洪棿錛?br />
touch file -鍒涘緩file
cat > file -灝嗘爣鍑嗚緭鍏ユ坊鍔犲埌file
more file -鏌ョ湅fire鐨勫唴瀹?br />
head file -鏌ョ湅file鐨勫墠10琛?br />
tail file -鏌ョ湅file鐨勫悗10琛?br />
tail -f file -浠庡悗10琛屽紑濮嬫煡鐪媐ile鐨勫唴瀹?br />
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/boot:榪欓噷瀛樻斁鐨勬槸鍚姩LINUX鏃朵嬌鐢ㄧ殑涓浜涙牳蹇冩枃浠躲?nbsp;銆銆
/dev:dev鏄痙evice(璁懼)鐨勭緝鍐欍傝繖涓洰褰曚笅鏄墍鏈塋INUX鐨勫閮ㄨ澶囷紝鍏跺姛鑳界被浼糄OS涓嬬殑.sys鍜學in涓嬬殑.vxd銆傚湪LINUX涓澶囧拰鏂囦歡鏄敤鍚岀鏂規硶璁塊棶鐨勩備緥濡?/dev/hda浠ｈ〃絎竴涓墿鐞咺DE紜洏銆?nbsp;
銆銆
/etc:榪欎釜鐩綍鐢ㄦ潵瀛樻斁鎵鏈夌殑緋葷粺綆＄悊鎵闇瑕佺殑閰嶇疆鏂囦歡鍜屽瓙鐩綍銆?nbsp;
銆銆
/home:鐢ㄦ埛鐨勪富鐩綍
/lib:榪欎釜鐩綍閲屽瓨鏀劇潃緋葷粺鏈鍩烘湰鐨勫姩鎬侀摼鎺ュ叡浜簱錛屽叾浣滅敤綾諱技浜嶹indows閲岀殑.dll鏂囦歡銆傚嚑涔庢墍鏈夌殑搴旂敤紼嬪簭閮介渶瑕佺敤鍒拌繖浜涘叡浜簱銆?br /> 銆銆
/lost+found:榪欎釜鐩綍騫蟲椂鏄┖鐨勶紝褰撶郴緇熶笉姝ｅ父鍏蟲満鍚庯紝榪欓噷灝辨垚浜嗕竴浜涙棤瀹跺彲褰掔殑鏂囦歡鐨勯伩闅炬墍銆傚浜嗭紝鏈夌偣綾諱技浜嶥OS涓嬬殑.chk鏂囦歡銆?br /> 銆銆
/mnt:榪欎釜鐩綍鏄┖鐨勶紝緋葷粺鎻愪緵榪欎釜鐩綍鏄鐢ㄦ埛涓存椂鎸傝澆鍒殑鏂囦歡緋葷粺銆?nbsp;
銆銆
/proc:榪欎釜鐩綍鏄竴涓櫄鎷熺殑鐩綍錛屽畠鏄郴緇熷唴瀛樼殑鏄犲皠錛屾垜浠彲浠ラ氳繃鐩存帴璁塊棶榪欎釜鐩綍鏉ヨ幏鍙栫郴緇熶俊鎭備篃灝辨槸璇達紝榪欎釜鐩綍鐨勫唴瀹逛笉鍦ㄧ‖鐩樹笂鑰屾槸鍦ㄥ唴瀛橀噷鍟婏紒錛?nbsp;銆銆
/root:緋葷粺綆＄悊鍛橈紝涔熷彨浣滆秴綰ф潈闄愯呯殑鐢ㄦ埛涓葷洰褰曘傚綋鐒剁郴緇熺殑鎷ユ湁鑰咃紝鎬昏鏈変簺鐗規潈鍟婏紒
銆銆
/sbin:s灝辨槸Super User鐨勬剰鎬濓紝涔熷氨鏄榪欓噷瀛樻斁鐨勬槸涓浜涚郴緇熺鐞嗗憳浣跨敤鐨勭郴緇熺鐞嗙▼搴忋?nbsp;銆銆
/tmp:榪欎釜鐩綍涓嶇敤璇達紝涓瀹氭槸鐢ㄦ潵瀛樻斁涓浜涗復鏃舵枃浠剁殑鍦版柟浜嗐?nbsp;
銆銆
/usr:榪欐槸涓渶搴炲ぇ鐨勭洰褰曪紝鎴戜滑瑕佺敤鍒扮殑寰堝搴旂敤紼嬪簭鍜屾枃浠跺嚑涔庨兘瀛樻斁鍦ㄨ繖涓洰褰曚笅銆傚叿浣撴潵璇達細
/usr/X11R6 瀛樻斁X-Windows鐨勭洰褰曪紱
/usr/bin 瀛樻斁鐫璁稿搴旂敤紼嬪簭錛?nbsp;
/usr/sbin 緇欒秴綰х敤鎴蜂嬌鐢ㄧ殑涓浜涚鐞嗙▼搴忓氨鏀懼湪榪欙紱
/usr/doc 榪欏氨鏄疞INUX鏂囨。鐨勫ぇ鏈惀錛?nbsp;
/usr/include LINUX涓嬪紑鍙戝拰緙栬瘧搴旂敤紼嬪簭闇瑕佺殑澶存枃浠訛紝鍦ㄨ繖鎵撅紱
/usr/lib 瀛樻斁涓浜涘父鐢ㄧ殑鍔ㄦ侀摼鎺ュ叡浜簱鍜岄潤鎬佹。妗堝簱錛?nbsp;
/usr/local 榪欐槸鎻愪緵緇欎竴鑸敤鎴風殑/usr鐩綍錛屽湪榪欏畨瑁呰蔣浠舵渶閫傚悎錛?br />
/usr/man man鏄粈涔堬紝瀵逛簡鏄府鍔┿傝繖閲屽氨鏄府鍔╂枃妗ｇ洰褰曞晩錛?br />
/usr/src LINUX寮鏀劇殑婧愪唬鐮侊紝灝卞瓨鍦ㄨ繖涓洰褰曪紝鐖卞ソ鑰呬滑鍒斁榪囧摝錛?nbsp;
銆銆
/var:榪欎釜鐩綍涓瓨鏀劇潃閭ｄ簺涓嶆柇鍦ㄦ墿鍏呯潃鐨勪笢瑗匡紝涓轟簡淇濇寔/usr鐨勭浉瀵圭ǔ瀹氾紝閭ｄ簺緇忓父琚慨鏀圭殑鐩綍鍙互鏀懼湪榪欎釜鐩綍涓嬶紝瀹為檯涓婅澶氱郴緇熺鐞嗗憳閮芥槸榪欐牱騫茬殑銆傞『甯﹁涓涓嬬郴緇熺殑鏃ュ織鏂囦歡灝卞湪/var/log鐩綍涓?nbsp;銆銆
榪欓噷鍒楀嚭浜嗘渶甯歌鐨勭洰褰曪紝鏍規嵁LINUX鍙戣濂椾歡鐨勪笉鍚岋紝鐩綍緇撴瀯涔熸槸鏈変竴瀹氬樊鍒殑銆傝繕鏈変綘鑷繁寤虹珛鐨勭洰褰曪紝鎴戝綋鐒朵笉鐭ユ槸瀛樹粈涔堢殑銆傚笇鏈涗笂闈㈢殑鏂囧瓧鑳戒嬌浣犲湪澶ц剳閲岀暀涓嬩簡LINUX鐨勫叏鏅浘錛屼互渚垮ぇ瀹舵繁鍏ユ帉鎻INUX鐨勫叾瀹冩柟鏂歸潰闈€?nbsp;
錛堝凡緇忕煡閬撲簡灝變笉鐢ㄧ湅浜嗭紝褰撳仛鍋剁暀涓浠斤級
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1. 瀹炴椂嫻佸崗璁甊TSP
RTSP[3]鍗忚浠ュ鎴鋒湇鍔″櫒鏂瑰紡宸ヤ綔錛屽畠鏄竴涓濯掍綋鎾斁鎺у埗鍗忚錛岀敤鏉ヤ嬌鐢ㄦ埛鍦ㄦ挱鏀句粠鍥犵壒緗戜笅杞界殑瀹炴椂鏁版嵁鏃惰兘澶熻繘琛屾帶鍒訛紝濡傦細鏆傚仠/緇х畫銆佸悗閫銆佸墠榪涚瓑銆傚洜姝?nbsp;RTSP 鍙堢О涓?#8220;鍥犵壒緗戝綍鍍忔満閬ユ帶鍗忚”銆?/p>
1.1. RTSP鍗忚綆浠?/h3>
瑕佸疄鐜?nbsp;RTSP 鐨勬帶鍒跺姛鑳斤紝涓嶄粎瑕佹湁鍗忚錛岃屼笖瑕佹湁涓撻棬鐨勫獟浣撴挱鏀懼櫒(media player)鍜屽獟浣撴湇鍔″櫒(media server)銆傚獟浣撴湇鍔″櫒涓庡獟浣撴挱鏀懼櫒鐨勫叧緋繪槸鏈嶅姟鍣ㄤ笌瀹㈡埛鐨勫叧緋匯?/p>
濯掍綋鏈嶅姟鍣ㄤ笌鏅氱殑涓囩淮緗戞湇鍔″櫒鐨勬渶澶у尯鍒氨鏄獟浣撴湇鍔″櫒鏀寔嫻佸紡闊抽鍜岃棰戠殑浼犻侊紝鍥犺屽湪瀹㈡埛绔殑濯掍綋鎾斁鍣ㄥ彲浠ヨ竟涓嬭澆杈規挱鏀撅紙闇瑕佸厛緙撳瓨涓灝忔鏃墮棿鐨勮妭鐩級銆備絾浠庢櫘閫氫竾緇寸綉鏈嶅姟鍣ㄤ笅杞藉濯掍綋鑺傜洰鏃訛紝鏄厛灝嗘暣涓枃浠朵笅杞藉畬姣曪紝鐒跺悗鍐嶈繘琛屾挱鏀俱?/p>
鍥? RTSP涓嶳TP鍜孯TCP鐨勫叧緋?/p>
RTSP 浠呬粎鏄嬌濯掍綋鎾斁鍣ㄨ兘鎺у埗澶氬獟浣撴祦鐨勪紶閫併傚洜姝わ紝RTSP 鍙堢О涓哄甫澶栧崗璁紝鑰屽濯掍綋嫻佹槸浣跨敤 RTP 鍦ㄥ甫鍐呬紶閫佺殑銆?/p>
1.2. RTSP鐨勬姤鏂囩粨鏋?/h3>
RTSP鏈変袱綾繪姤鏂囷細璇鋒眰鎶ユ枃鍜屽搷搴旀姤鏂囥傝姹傛姤鏂囨槸鎸囦粠瀹㈡埛鍚戞湇鍔″櫒鍙戦佽姹傛姤鏂囷紝鍝嶅簲鎶ユ枃鏄寚浠庢湇鍔″櫒鍒板鎴風殑鍥炵瓟銆?/p>
鐢變簬 RTSP 鏄潰鍚戞鏂囩殑(text-oriented)錛屽洜姝ゅ湪鎶ユ枃涓殑姣忎竴涓瓧孌甸兘鏄竴浜?nbsp;ASCII 鐮佷覆錛屽洜鑰屾瘡涓瓧孌電殑闀垮害閮芥槸涓嶇‘瀹氱殑銆?/p>
RTSP鎶ユ枃鐢變笁閮ㄥ垎緇勬垚錛屽嵆寮濮嬭銆侀閮ㄨ鍜屽疄浣撲富浣撱傚湪璇鋒眰鎶ユ枃涓紝寮濮嬭灝辨槸璇鋒眰琛岋紝RTSP璇鋒眰鎶ユ枃鐨勭粨鏋勫鍥?鎵紺恒?/p>
鍥? RTSP璇鋒眰鎶ユ枃鐨勭粨鏋?/p>
RTSP璇鋒眰鎶ユ枃鐨勬柟娉曞寘鎷細OPTIONS銆丏ESCRIBE銆丼ETUP銆乀EARDOWN銆丳LAY銆丳AUSE銆丟ET_PARAMETER鍜孲ET_PARAMETER銆俁TSP璇鋒眰鎶ユ枃鐨勫父鐢ㄦ柟娉曞強浣滅敤濡傝〃1鎵紺恒?/p>
琛? RTSP璇鋒眰鎶ユ枃鐨勫父鐢ㄦ柟娉曞強浣滅敤
鏂規硶 | 浣滅敤 |
OPTIONS | 鑾峰緱鏈嶅姟鍣ㄦ彁渚涚殑鍙敤鏂規硶 |
DESCRIBE | 寰楀埌浼氳瘽鎻忚堪淇℃伅 |
SETUP | 瀹㈡埛绔彁閱掓湇鍔″櫒寤虹珛浼氳瘽錛屽茍紜畾浼犺緭妯″紡 |
TEARDOWN | 瀹㈡埛绔彂璧峰叧闂姹?/p> |
PLAY | 瀹㈡埛绔彂閫佹挱鏀捐姹?/p> |
鍝嶅簲鎶ユ枃鐨勫紑濮嬭鏄姸鎬佽錛孯TSP鍝嶅簲鎶ユ枃鐨勭粨鏋勫鍥?鎵紺恒?/p>
鍥? RTSP鍝嶅簲鎶ユ枃鐨勭粨鏋?/p>
1.3. RTSP浜や簰榪囩▼
C琛ㄧずRTSP瀹㈡埛绔紝S琛ㄧずRTSP鏈嶅姟绔?/p>
① C->S: OPTION request //璇㈤棶S鏈夊摢浜涙柟娉曞彲鐢?/p>
S->C: OPTION response //S鍥炲簲淇℃伅涓寘鎷彁渚涚殑鎵鏈夊彲鐢ㄦ柟娉?/p>
② C->S: DESCRIBE request //瑕佹眰寰楀埌S鎻愪緵鐨勫獟浣撳垵濮嬪寲鎻忚堪淇℃伅
S->C: DESCRIBE response //S鍥炲簲濯掍綋鍒濆鍖栨弿榪頒俊鎭紝涓昏鏄痵dp
③ C->S: SETUP request //璁劇疆浼氳瘽灞炴э紝浠ュ強浼犺緭妯″紡錛屾彁閱扴寤虹珛浼氳瘽
S->C: SETUP response //S寤虹珛浼氳瘽錛岃繑鍥炰細璇濇爣璇嗙鍙婁細璇濈浉鍏充俊鎭?/p>
④ C->S: PLAY request //C璇鋒眰鎾斁
S->C: PLAY response //S鍥炲簲璇鋒眰淇℃伅
S->C: 鍙戦佹祦濯掍綋鏁版嵁
⑤ C->S: TEARDOWN request //C璇鋒眰鍏抽棴浼氳瘽
S->C: TEARDOWN response //S鍥炲簲璇鋒眰
涓婅堪鐨勮繃紼嬫槸鏍囧噯鐨凴TSP嫻佺▼錛屽叾涓3姝ュ拰絎?姝ユ槸蹇呴渶鐨勩?/p>
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