July 2022

Original link: https://www.blueskyxn.com/202207/6225.html?utm_source=rss&utm_medium=rss&utm_campaign=%25e4%25bf%25ae%25e5%25a4%258dcentos%25e7%258e%25af%25e5%25a2%2583% 25e4%25b8%258boperation-not-permitted%25e7%259a%2584%25e9%2594%2581%25e6%2596%2587%25e4%25bb%25b6%25e9%2597%25ae%25e9%25a2%2598 foreword Sometimes it will be found that the file is locked, which means that it cannot be modified, cannot be deleted (rm), and cannot be granted 777 permissions. At this point it may be because file permissions are locked, especially common in network DNS resolution and other system files. This article […]

Original link: https://www.blueskyxn.com/202207/6222.html?utm_source=rss&utm_medium=rss&utm_campaign=crt-sh-certificate-search%25ef%25bc%259a%25e8%25af%2581%25e4%25b9%25a6 %25e5%258e%2586%25e5%258f%25b2%25e6%2590%259c%25e7%25b4%25a2%25e5%25bc%2595%25e6%2593%258e foreword Compared with the machines of censys and shodan, the Crtsh website can record the SSL certificate issuance records from the certificate authority. Of course, test certificates and self-signed certificates are generally not included, but the domain name of CloudflareCDN will be collected Instructions After opening the official website, enter the

Original link: https://www.blueskyxn.com/202207/6219.html?utm_source=rss&utm_medium=rss&utm_campaign=likeyun%25e7%259f%25ad%25e9%2593%25be%25e6%258e%25a5%25e7%25a8%258b %25e5%25ba%258f%25ef%25bc%259a%25e6%259e%2581%25e9%2580%259f%25e6%2590%25ad%25e5%25bb%25ba%25e3%2580%2581%25e9%2597%25b425e6 %258e%25a5%25e6%2598%2593%25e7%2594%25a8 foreword Sometimes some links are stinky and long, and may also contain parameters and sensitive words. At this time, you need to consider the short link program And public short links are mostly garbage, so consider creating your own. Common scenarios such as pictures of cdn of large factories, AFFlink,

Original link: https://www.blueskyxn.com/202207/6216.html?utm_source=rss&utm_medium=rss&utm_campaign=%25e9%2592%259b%25e7%259b%2598%25e5%2592%258cufile-io%25ef%25bc% 259a%25e4%25b8%25b4%25e6%2597%25b6%25e6%2596%2587%25e4%25bb%25b6%25e4%25b8%25ad%25e8%25bd%25ac%25e4%25b8%258e%25e5%2588%2586% 25e4%25ba%25ab%25e7%25ab%2599 foreword Sometimes it is necessary to temporarily share files externally. In addition to common online disks (OD, GD, etc.), social media (TW, FB, TG, QQ, WX, etc.) can be considered websites dedicated to temporarily sharing files. Of course, the anonymous network disk and video network disk introduced before can also

Original link: https://www.blueskyxn.com/202207/6213.html?utm_source=rss&utm_medium=rss&utm_campaign=%25e4%25b8%25ad%25e5%259b%25bd%25e7%2594%25b5%25e4%25bf%25a1- looking-glass%25ef%25bc%2588%25e5%2590%25abcn2-gia%25ef%25bc%2589 foreword LOOKING GLASS is a commonly used tool for operation and maintenance, which can quickly and easily check many network connections and other related network problems. address https://ift.tt/9qSkbtc Introduction This test station of China Telecom provides three networks: CN2, ChinaNet, CTGNET, supports multiple self-selected node tests, supports ping and trace It