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騰訊雲CVM和輕量伺服器操作

選擇性開放防火牆埠,在伺服器面板可以找到選擇性開啟(看你自己的需要)預設CVM開放,輕量不開放

1.解除安裝監控

莫怕直接用預設,幹騰訊雲監控&更換穩定源就行(操作如下)

#直接複製貼上全部到SSH視窗即可
sudo -i
systemctl stop tat_agent
systemctl disable tat_agent
/usr/local/qcloud/stargate/admin/uninstall.sh
/usr/local/qcloud/YunJing/uninst.sh
/usr/local/qcloud/monitor/barad/admin/uninstall.sh
rm -f /etc/systemd/system/tat_agent.service
rm -rf /usr/local/qcloud
rm -rf /usr/local/sa
rm -rf /usr/local/agenttools
rm -rf /usr/local/qcloud
process=(sap100 secu-tcs-agent sgagent64 barad_agent agent agentPlugInD pvdriver )
for i in ${process[@]}
do
  for A in $(ps aux | grep $i | grep -v grep | awk '{print $2}')
  do
    kill -9 $A
  done
done

檢驗:TOP檢視,控制面板監控儀表盤是否有記錄,控制面板修改密碼是否失效(失效就對了)同時也幹掉騰訊雲自家自帶的監控報警功能(具體哪一個不知道,但是監控本身會互相喚醒守護...有點蛋疼)

2.更換清華穩定的源

(騰訊自家的一言難盡)官方的也行不過國內小雞水土不服

#直接複製貼上全部到SSH視窗即可
#批量修改源為清華
sources="/etc/apt/sources.list"
cat>"${sources}"<<EOF
#清華源
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free
EOF

換完後記得可以更新下,update下一些軟體包和系統本身

3.更換靠譜的公共DNS(自選)

#直接複製貼上全部到SSH視窗即可
#大陸首選
sed -i '$a\prepend domain-name-servers 223.5.5.5,119.29.29.29,223.5.5.5,183.60.83.19;' /etc/dhcp/dhclient.conf
sed -i '$a\dhclient' /etc/dhcp/dhclient.conf

非大陸首選

#直接複製貼上全部到SSH視窗即可
#非大陸首選
sed -i '$a\prepend domain-name-servers 1.0.0.1,8.8.8.8,1.1.1.1,8.8.4.4;' /etc/dhcp/dhclient.conf
sed -i '$a\dhclient' /etc/dhcp/dhclient.conf

完,有的話再記錄!