3C健忘人 - 疑難排除不求人 - no more ask for IT help

1. su - 2. vim /etc/yum.repos.d/mongodb.repo  # add follows [mongodb-org-4.2] name=MongoDB Repository baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.2/x86_64/ gpgcheck=1 enabled=1 gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc 3. dnf install mongodb-org 4. semanage --port -a -t mongod_port_t -p tcp 27017 5. firewall-cmd --add-port=27017/tcp --permanent     firewall-cmd --reload reference https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/ https://www.osradar.com/install-mongodb-centos-8/ https://computingforgeeks.com/how-to-install-mongodb-4-0-on-rhel-8-centos-8/ https://docs.mongodb.com/manual/reference/ulimit/ https://repo.mongodb.org/yum/redhat/8/mongodb-org/4.2/x86_64/RPMS/

1. https://3ctipsmemo.blogspot.com/2017/07/ms-windows-iis-10-x64.html 2. download Microsoft Access Database Engine 2010 可轉散發套件 Microsoft Access Database Engine 2016 Redistributable https://www.microsoft.com/en-us/download/details.aspx?id=54920 please uninstall 64bit Microsoft Office before install Access Database Engine 2010  Reference https://social.msdn.microsoft.com/Forums/zh-TW/c55decf8-53a4-4c82-8aa3-d9f3e6c627c0/microsoftjetoledb40?forum=238

$ dnf  install boxes $ echo 'Merry Chrismas and Happy New Year 2020! ' | boxes -d santa -a c Reference https://boxes.thomasjensen.com/download.html https://www.tecmint.com/boxes-draws-ascii-art-boxes-in-linux-terminal/

1. download from https://dl.winehq.org/wine/source/4.0/wine-4.0.2.tar.xz 2. tar Jxvf wine-4.0.2.tar.xz 3. cd wine-4.0.2 4. ./configure --enable-win64 5. make && make install reference https://tecadmin.net/install-wine-centos8/

1. sudo vim /etc/sysctl.conf to modify net.ipv4.ip_forward or sudo sed -i 's/net.ipv4.ip_forward=0/ net.ipv4.ip_forward=1/g' /etc/sysctl.conf sysctl -p  2. permanent setting in /etc/sysconfig/newtork-scripts/route-eXXXX if nm-bond0 is default router touch /etc/sysconfig/network-scripts/route-enp2s0 echo '192.168.2.0/24 via 192.168.1.1 dev nm-bond0' >> /etc/sysconfig/network-scripts/route-enp2s0 $ route -n    #route $ sudo route del default dev nm-bond0 $ sudo route del default dev enp2s0 $ sudo route add default  via 192.168.1.1 netmask 0.0.0.0 dev nm-bond0 metric 0 $ sudo route add default  via 192.168.1.1 netmask 0.0.0.0 dev enp2s0 metric 1 將 script 加入 /etc/rc.local，讓開機即可改變 #Centos Linux 7 nmcli connection show dev enp5s0 | grep ipv4 nmcli connection modify enp5s0 ipv4.route-metric 0 nmcli connection modify enp2s0 ipv4.route-metric 1 nmcli connection up  enp5s0 nmcli connection up  enp2s0 參考 https://unix.stackexcha...

downloaded and preinstalled python3 from https://www.python.org/downloads/   @ on MS Windows 1. python get-pip.py             2. pip install jupyter 3. pip install --upgrade ipyparallel 4. jupyter serverextension enable --py ipyparallel --user     jupyter nbextension install --py ipyparallel --user     jupyter nbextension enable --py ipyparallel --user 5. ipcluster nbextension enable 6. jupyter notebook # on Windows path: C:\Users\%USERNAME%\AppData\Local\Programs\Pytho n\Python36\Scripts\jupyter-notebook.exe @ on CentOS Linux 8 I. pip install jupyter II. pip install --upgrade ipyparallel III. jupyter-serverextension enable ipyparallel --py --user jupyter-nbextension install ipyparallel --py --user jupyter nbextension enable ipyparallel --py --user IV. ipcluster nbextension enable VI. jupyter-notebook&   @ on Mac OS X (if python 3.8 installed) Path of jupyter-note...

https://www.geeksforgeeks.org/c-program-for-tower-of-hanoi/ http://mathworld.wolfram.com/TowerofHanoi.html

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1 Download tarball from below: https://www.ffmpeg.org/download.html 2  go into folder cd ffmpeg {}  # tab key 2. if your account has sudo option #/etc/sudeors  $ sudo dnf install nasm  $  sudo ./configure  $ sudo make && sudo make install  3.with Constant Bitrate Encoding(CBR) $ffmpeg -i input.mp4 -vn -acodec libmp3lanme -ac 2 -ab 128k -ar 44100 output.mp3   with Variable Bitrate Encodeing(VBR) $ffmpeg -i input.mp4 -vn -acodec libmp3lanme -ac 2 - qscale:a 4 -ar 44100 output.mp3 4. Press enter to excute Other Solution bandbrake - https://handbrake.fr/downloads.php reference https://askubuntu.com/questions/84584/converting-mp4-to-mp3

看登入檔可以發現新增移除程式並無把Norton完全移除，故開啟Denfender後，會一直出現衝突的不定時重開，從紀錄檔可以看到PCI-E錯誤與Localhost權限取得錯誤。故我們需使用專門移除程式移除Norton 1. 先停止 Windows Denfender 2. 從下方URL下載原廠移除工具 https://support.norton.com/sp/zh/tw/home/current/solutions/v60392881 http://liveupdate.symantecliveupdate.com/upgrade/RnR/NRnR.exe 3. 執行Norton移除工具，並重開機後 4. 開啟Windows Defender功能