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Ubuntu 18.04如(ru)何解決(jue)resolve.conf自動(dong)覆蓋(gai)為127.0.0.53問題(ti)1.輸(shu)入(ru)(ru)該命令(ling)按(an)回車鍵：vi /etc/systemd/resolved.conf2.按(an)i進入(ru)(ru)插入(ru)(ru)模式，修(xiu)改為例如(ru)DNS=8.8.8.8 223.5.5.5，然后按(an)ESC鍵輸(shu)入(ru)(ru)wq按(an)回車鍵保存退出(chu)vi編輯(ji)3.輸(shu)入(ru)(ru)該命令(ling)按(an)回車鍵：systemctl restart systemd-resolved4.輸(shu)入(ru)(ru)該命令(ling)

Centos國內(nei)網(wang)(wang)絡多(duo)節點一(yi)鍵測速1.一(yi)鍵測試多(duo)個國內(nei)節點網(wang)(wang)絡速度執行(xing)(xing)以下命令bash 2.進行(xing)(xing)三網(wang)(wang)節點測試網(wang)(wang)速

Centos7.6如何(he)設置grub密碼(ma)1.grub2-mkpasswd-pbkdf2，輸入(ru)該命(ming)令(ling)按回(hui)(hui)車(che)鍵，輸入(ru)兩(liang)次密碼(ma)，會得到密文(wen)(wen)2.vi /etc/grub.d/00_header，輸入(ru)該命(ming)令(ling)按回(hui)(hui)車(che)鍵3.按“i”進入(ru)插入(ru)模式，在(zai)文(wen)(wen)件末尾添(tian)加以下內容，root 為單用(yong)戶登錄(lu)使(shi)用(yong)的(de)用(yong)戶名，password為上一(yi)步得到的(de)密文(wen)(wen)，然后按“ESC”鍵輸入(ru)wq按回(hui)(hui)車(che)鍵保存退出vi編(bian)輯。此時需(xu)要(yao)重啟(qi)系統使(shi)設置生

Centos7.6如(ru)何設置ssh驗證(zheng)(zheng)次數限制(zhi)1.vi /etc/ssh/sshd_config，輸入(ru)(ru)該(gai)(gai)命令(ling)(ling)按(an)回(hui)(hui)車鍵(jian)2.按(an)“i”進(jin)入(ru)(ru)插(cha)入(ru)(ru)模式(shi)，找到MaxAuthTries，刪(shan)除#，修改數值為3，即3次驗證(zheng)(zheng)錯誤斷開連接，然后按(an)“ESC”鍵(jian)輸入(ru)(ru)wq按(an)回(hui)(hui)車鍵(jian)保存退出vi編輯3./bin/systemctl restart sshd.service，輸入(ru)(ru)該(gai)(gai)命令(ling)(ling)按(an)回(hui)(hui)車鍵(jian)4.此(ci)時(shi)連接3次驗證(zheng)(zheng)錯誤會(hui)斷開連接

Centos7.6如何安(an)裝OpenResty1.yum install -y pcre-devel openssl-devel gcc curl，輸(shu)入(ru)(ru)該(gai)命(ming)令(ling)按回車(che)鍵安(an)裝依賴庫2.wget //openresty.org/download/openresty-1.21.4.1.tar.gz，輸(shu)入(ru)(ru)該(gai)命(ming)令(ling)按回車(che)鍵3.tar -zxvf openresty-1.21.4.1.tar.gz，輸(shu)入(ru)(ru)

Debian執行apt命令(ling)提示could not get lock錯誤解決方法1.報錯信(xin)息E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/l

Putty工具SSH連(lian)接出現中(zhong)文(wen)(wen)亂碼解決方案1.Putty終(zhong)端下輸入(ru)echo $LANG $LANGUAGE，回車后我們可以看到有en_US、UTF-8，說明是(shi)支持(chi)UTF-8;查看終(zhong)端中(zhong)文(wen)(wen)顯(xian)示為亂碼2.調整(zheng)Putty中(zhong)的編(bian)碼設置為UTF-83.設置后并SSH遠程(cheng)連(lian)接，查看中(zhong)文(wen)(wen)顯(xian)示正常(chang)

Windows10 使用(yong)Powershell命(ming)令(ling)查(cha)看具體開(kai)(kai)機時(shi)間1.右鍵點(dian)擊開(kai)(kai)始菜單，打開(kai)(kai)Powershell命(ming)令(ling)窗口2.查(cha)看日志系(xi)統啟動(dong)事件事件ID：6005 日志服務啟動(dong)，表(biao)示系(xi)統啟動(dong);對應時(shi)間為(wei)機器具體開(kai)(kai)機時(shi)間Get-WinEvent -FilterHashtable @{logname=’System’;id=6005}| fl

解(jie)決Windows7 系統提(ti)(ti)示無法自動檢測(ce)代(dai)理設(she)置的(de)問題1.使用快捷鍵“Win + R”打開運行框，然(ran)后輸入(ru)cmd然(ran)后回車打開命令提(ti)(ti)示符(fu)窗口。2.輸入(ru)SFC/SCANNOW然(ran)后等待系統掃描檢測(ce)。3.檢測(ce)完成(cheng)后輸入(ru)NETSH WINSOCK RESET然(ran)后重啟計(ji)算(suan)機即可。

Windows xp系(xi)統(tong)(tong)查看(kan)機(ji)器(qi)運(yun)(yun)(yun)(yun)行(xing)(xing)(xing)時(shi)(shi)間Windows xp系(xi)統(tong)(tong)任務管理器(qi)是沒有辦(ban)法查看(kan)機(ji)器(qi)運(yun)(yun)(yun)(yun)行(xing)(xing)(xing)時(shi)(shi)間的，可以通過一下辦(ban)法進行(xing)(xing)(xing)查看(kan)。1.點擊“開始窗口(kou)”然(ran)(ran)后點擊“運(yun)(yun)(yun)(yun)行(xing)(xing)(xing)”。2.然(ran)(ran)后在“運(yun)(yun)(yun)(yun)行(xing)(xing)(xing)”窗口(kou)里面輸入cmd然(ran)(ran)后回車打開命(ming)令提示符。3.然(ran)(ran)后輸入systeminfo |find "系(xi)統(tong)(tong)啟動時(shi)(shi)間"進行(xing)(xing)(xing)查看(kan)機(ji)器(qi)運(yun)(yun)(yun)(yun)行(xing)(xing)(xing)時(shi)(shi)間。

Ubuntu18.04 系統(tong)中(zhong)如(ru)何(he)用expand命(ming)令(ling)將(jiang)(jiang)文(wen)(wen)件內(nei)(nei)容(rong)中(zhong)制(zhi)表符(fu)轉化(hua)(hua)為(wei)(wei)(wei)空(kong)(kong)格(ge)如(ru)何(he)用expand命(ming)令(ling)將(jiang)(jiang)文(wen)(wen)件內(nei)(nei)容(rong)中(zhong)制(zhi)表符(fu)轉化(hua)(hua)為(wei)(wei)(wei)空(kong)(kong)格(ge)呢?本文(wen)(wen)給出(chu)詳細說明(ming)。1.顯示當(dang)前文(wen)(wen)件內(nei)(nei)容(rong)2.使用expand命(ming)令(ling)將(jiang)(jiang)文(wen)(wen)件中(zhong)的制(zhi)表符(fu)轉化(hua)(hua)為(wei)(wei)(wei)空(kong)(kong)格(ge)并輸出(chu)expand test.txt說明(ming)：輸出(chu)內(nei)(nei)容(rong)可能看起來一樣，但是實(shi)際上(shang)已經(jing)將(jiang)(jiang)文(wen)(wen)件中(zhong)的制(zhi)表符(fu)轉化(hua)(hua)為(wei)(wei)(wei)8個空(kong)(kong)格(ge)

Ubuntu18.04系(xi)統中如何安(an)裝(zhuang)(zhuang)批量修改(gai)文件(jian)名(ming)(ming)(ming)稱工(gong)(gong)具(ju)rename如何安(an)裝(zhuang)(zhuang)批量修改(gai)文件(jian)名(ming)(ming)(ming)稱工(gong)(gong)具(ju)rename呢?本文給出詳細說明。1.更新apt資源sudo apt-get update2.安(an)裝(zhuang)(zhuang)rename工(gong)(gong)具(ju)，等(deng)待安(an)裝(zhuang)(zhuang)完(wan)成apt-get install rename3.等(deng)待安(an)裝(zhuang)(zhuang)完(wan)成后(hou)運行rename -v “s/替換前(qian)的(de)文件(jian)名(ming)(ming)(ming)/替換后(hou)的(de)文件(jian)名(ming)(ming)(ming)/g”需要替換的(de)文件(jian)

Windows10使用Powershell命令(ling)(ling)關(guan)閉防火(huo)墻1.右鍵點擊開始菜單，打開Powershell命令(ling)(ling)窗口2.關(guan)閉Windows10防火(huo)墻Set-NetFirewallProfile -Profile Domain,Public,Private -Enabled False

Windows10使用Powershell命(ming)令(ling)關閉實(shi)(shi)時保(bao)護(hu)(hu)1.右鍵點擊開(kai)(kai)始菜單，打開(kai)(kai)Powershell命(ming)令(ling)窗(chuang)口(kou)2.查看實(shi)(shi)時保(bao)護(hu)(hu)狀(zhuang)態Get-MpPreference | findstr -i "DisableRealtimeMonitoring"是否關閉實(shi)(shi)時保(bao)護(hu)(hu)選項為 False，說(shuo)明是開(kai)(kai)啟實(shi)(shi)時保(bao)護(hu)(hu)3.關閉實(shi)(shi)時保(bao)護(hu)(hu)狀(zhuang)態Set-MpPreference -DisableRealt

Ubuntu18.04系統中如何(he)安(an)裝(zhuang)(zhuang)heimdall如何(he)安(an)裝(zhuang)(zhuang)heimdall呢?本文給出詳細(xi)說(shuo)明。1.更新apt資源sudo apt-get update2.安(an)裝(zhuang)(zhuang)heimdall，等待安(an)裝(zhuang)(zhuang)完(wan)成apt-get install heimdall-flash說(shuo)明：heimdall是(shi)一個方便(bian)管理網頁書簽的網絡(luo)工(gong)具

Centos7.6如何(he)使用vnstat流量(liang)監控1.yum -y install vnstat，輸(shu)(shu)入(ru)該(gai)(gai)命(ming)(ming)令(ling)(ling)按(an)回車(che)(che)鍵(jian)2.vnstat -u -i eth0，輸(shu)(shu)入(ru)該(gai)(gai)命(ming)(ming)令(ling)(ling)按(an)回車(che)(che)鍵(jian)3.vnstat，輸(shu)(shu)入(ru)該(gai)(gai)命(ming)(ming)令(ling)(ling)按(an)回車(che)(che)鍵(jian)可以查看到(dao)統計信息(xi)4.vnstat -h，輸(shu)(shu)入(ru)該(gai)(gai)命(ming)(ming)令(ling)(ling)按(an)回車(che)(che)鍵(jian)顯示(shi)每小時(shi)的流量(liang)信息(xi)5.vnstat -d，輸(shu)(shu)入(ru)該(gai)(gai)命(ming)(ming)令(ling)(ling)按(an)回車(che)(che)鍵(jian)顯示(shi)日(ri)流量(liang)信息(xi)

Centos7.6如何查看時(shi)(shi)間戳?1.date +%s，輸入該命(ming)令(ling)按(an)(an)回車鍵(jian)(jian)可(ke)查看當前日(ri)期(qi)的時(shi)(shi)間戳2.date -d '2023-06-01 00:00:00' +%s，輸入該命(ming)令(ling)按(an)(an)回車鍵(jian)(jian)可(ke)查看指定日(ri)期(qi)的時(shi)(shi)間戳

Debian9更新(xin)軟件(jian)提示NO_PUBKEY1.debian9更換debian10鏡像源更新(xin)提示gpg證(zheng)書錯誤W: GPG error: //mirrors.tuna.tsinghua.edu.cn/debian buster-backports InRelease: The following signatures couldn't be verified because th

Centos7.6如何卸載隧道(固定時長(chang))客戶(hu)端(duan)模式腳本(ben)1.netstat -ntlp，輸入該(gai)命令(ling)按回(hui)車(che)鍵查(cha)看(kan)服務的(de)PID2.kill PID，根據查(cha)看(kan)的(de)PID輸入該(gai)命令(ling)結(jie)束進(jin)程服務3.rpm -e qgproxy-client-1.0.0-release.x86_64，輸入該(gai)命令(ling)按回(hui)車(che)鍵即(ji)可(ke)

Ubuntu18.04系(xi)(xi)(xi)統(tong)(tong)中如何用runlevel命令顯示當前(qian)(qian)系(xi)(xi)(xi)統(tong)(tong)運(yun)(yun)行等級(ji)(ji)如何用runlevel命令顯示當前(qian)(qian)系(xi)(xi)(xi)統(tong)(tong)運(yun)(yun)行等級(ji)(ji)呢?本文給出詳細說明(ming)。1.runlevel命令顯示當前(qian)(qian)系(xi)(xi)(xi)統(tong)(tong)運(yun)(yun)行等級(ji)(ji)runlevel說明(ming)：5代表系(xi)(xi)(xi)統(tong)(tong)當前(qian)(qian)運(yun)(yun)行在控制(zhi)臺模式。運(yun)(yun)行級(ji)(ji)別(bie)0：系(xi)(xi)(xi)統(tong)(tong)停機(ji)狀態(tai)，系(xi)(xi)(xi)統(tong)(tong)默(mo)認運(yun)(yun)行級(ji)(ji)別(bie)不(bu)能(neng)(neng)設為0，否則不(bu)能(neng)(neng)正常啟動運(yun)(yun)行級(ji)(ji)別(bie)1：單用戶(hu)工作狀態(tai)，root權限，用于系(xi)(xi)(xi)統(tong)(tong)維護，禁止遠程登(deng)陸運(yun)(yun)行級(ji)(ji)別(bie)2：多用戶(hu)狀態(tai)