# Linux Basic Practice 2 ###### tags: `Linux Basic` ## Практическая работа №2.1 Основы мониторинга OS Linux ### 1. Команда df в Linux ![](https://i.imgur.com/RR6FT7J.png) ![](https://i.imgur.com/W84xc7S.png) ![](https://i.imgur.com/05HaIz3.png) ![](https://i.imgur.com/eRmi111.png) ![](https://i.imgur.com/FO2kAXo.png) ![](https://i.imgur.com/AwSsTnc.png) ![](https://i.imgur.com/yZbyVYL.png) ![](https://i.imgur.com/EeTQOMX.png) ![](https://i.imgur.com/5ocwLu3.png) ![](https://i.imgur.com/Ufu1FAA.png) ![](https://i.imgur.com/Ch9UX06.png) ![](https://i.imgur.com/a7rntlP.png) ![](https://i.imgur.com/LXpmsYx.png) ![](https://i.imgur.com/11899YD.png) ![](https://i.imgur.com/FcL1G9M.png) ![](https://i.imgur.com/n14mnzo.png) ![](https://i.imgur.com/PUkDtHJ.png) ![](https://i.imgur.com/BnfFZFb.png) ### 2. Команда du в Linux ![](https://i.imgur.com/4wJ9WbQ.png) ![](https://i.imgur.com/xWaqQnB.png) ![](https://i.imgur.com/9HAPEuo.png) ![](https://i.imgur.com/zzWBbxI.png) ![](https://i.imgur.com/Mik3N29.png) ![](https://i.imgur.com/yalWqJ2.png) ![](https://i.imgur.com/a9Yf63Y.png) ![](https://i.imgur.com/GOVRmqz.png) ![](https://i.imgur.com/6pT3gzy.png) ![](https://i.imgur.com/kDYYNLJ.png) ![](https://i.imgur.com/iIxb0eL.png) ![](https://i.imgur.com/G33YZJQ.png) ![](https://i.imgur.com/CiZo7om.png) ![](https://i.imgur.com/mFvL8Df.png) ![](https://i.imgur.com/l6S2oOu.png) ![](https://i.imgur.com/4bbs4Cl.png) ![](https://i.imgur.com/PPByzXU.png) ![](https://i.imgur.com/xNqpeZY.png) ![](https://i.imgur.com/k5x5HpN.png) ![](https://i.imgur.com/Ixqwaq7.png) ![](https://i.imgur.com/WZI6nft.png) ![](https://i.imgur.com/9P6W3o7.png) ![](https://i.imgur.com/HUSyAEH.png) ![](https://i.imgur.com/G46OxYK.png) ![](https://i.imgur.com/mWpzn2O.png) ### 3. Команда free в Linux ![](https://i.imgur.com/r9BcKBG.png) ![](https://i.imgur.com/iBN9J9w.png) ![](https://i.imgur.com/NF29Cy2.png) ![](https://i.imgur.com/DtLIYpm.png) ![](https://i.imgur.com/LVPh1p0.png) ![](https://i.imgur.com/LDxeWpY.png) ![](https://i.imgur.com/5wWTgBl.png) ![](https://i.imgur.com/tAKaUIZ.png) ![](https://i.imgur.com/uOI9lij.png) ![](https://i.imgur.com/axQX1cZ.png) ![](https://i.imgur.com/GFLrFHN.png) ![](https://i.imgur.com/omZFndn.png) ![](https://i.imgur.com/OZ7PCHE.png) ![](https://i.imgur.com/L0h8NYI.png) ### 4. iostat ![](https://i.imgur.com/EiCsWe3.png) ![](https://i.imgur.com/7Rw9JVU.png) ![](https://i.imgur.com/HIwrVtA.png) ![](https://i.imgur.com/HeML7SY.png) ![](https://i.imgur.com/QWsLaUs.png) ![](https://i.imgur.com/cJPodxe.png) ![](https://i.imgur.com/yd0JPdU.png) ![](https://i.imgur.com/LzrcHJx.png) ![](https://i.imgur.com/gBq37vk.png) ![](https://i.imgur.com/6irrS6D.png) ![](https://i.imgur.com/tRhkXqr.png) ![](https://i.imgur.com/1ow7Mzy.png) ![](https://i.imgur.com/nNchFcH.png) ![](https://i.imgur.com/fpRrq4H.png) ![](https://i.imgur.com/PwsuGXi.png) ![](https://i.imgur.com/w0KghSZ.png) ![](https://i.imgur.com/5lB1hn8.png) ![](https://i.imgur.com/LrZ96t4.png) ![](https://i.imgur.com/VQcMZA9.png) ![](https://i.imgur.com/uscHBp7.png) ### 5. mpstat ![](https://i.imgur.com/f5mX5Ir.png) ![](https://i.imgur.com/rPv63PY.png) ![](https://i.imgur.com/tuLWqiY.png) ![](https://i.imgur.com/6iXuJoS.png) ![](https://i.imgur.com/8mt78rH.png) ![](https://i.imgur.com/fDJ94Dv.png) ![](https://i.imgur.com/U6HtiUS.png) ![](https://i.imgur.com/lAIRFnQ.png) ![](https://i.imgur.com/0fhy2sp.png) ![](https://i.imgur.com/Da6Er9H.png) ![](https://i.imgur.com/Zw3J0eD.png) ![](https://i.imgur.com/6YZBVkM.png) ### 6. vmstat ![](https://i.imgur.com/1Pdhrou.png) ![](https://i.imgur.com/CnTS3hP.png) ![](https://i.imgur.com/k4MB374.png) ![](https://i.imgur.com/fW43BP7.png) ![](https://i.imgur.com/kmIw38I.png) ![](https://i.imgur.com/dquLmUp.png) ![](https://i.imgur.com/qUQpe22.png) ![](https://i.imgur.com/t4WgPbP.png) ![](https://i.imgur.com/2Af52Yi.png) ![](https://i.imgur.com/xTJRYwB.png) ![](https://i.imgur.com/s63YEAM.png) ![](https://i.imgur.com/M0ZZ61L.png) ![](https://i.imgur.com/YTseGYx.png) ### 7. Утилита/команда "w" ![](https://i.imgur.com/TQJicRH.png) ![](https://i.imgur.com/335Fqtx.png) ![](https://i.imgur.com/tAvjIDA.png) ![](https://i.imgur.com/1LKnsFS.png) ### 8. Утилита htop ![](https://i.imgur.com/bqjL4KQ.png) ![](https://i.imgur.com/RrPW8BZ.png) ![](https://i.imgur.com/7TGRsZX.png) ![](https://i.imgur.com/OqRLBG3.png) ![](https://i.imgur.com/u8hhZvX.png) ![](https://i.imgur.com/WjMQspb.png) ![](https://i.imgur.com/m2J42ag.png) ![](https://i.imgur.com/dHRYxAP.png) ![](https://i.imgur.com/kXO5Ma7.png) ## Практическая работа №2.2 Установка и настройка сервера SSH в Linux Воспользуемся ip a, чтобы узнать ip сервера (ubuntu) и ip клиента (kali): ![](https://i.imgur.com/ALKjcPN.png) ![](https://i.imgur.com/SLVhajJ.png) Проверим, что они видят друг друга: ![](https://i.imgur.com/H1c5H83.png) ![](https://i.imgur.com/r4vQE1t.png) Установим ssh на ubuntu: ![](https://i.imgur.com/m6aS7LT.png) ![](https://i.imgur.com/k6TrY56.png) Проверим наличие ssh на kali и включим его: ![](https://i.imgur.com/MJt1EOr.png) Выведем конфигурацию демона: ![](https://i.imgur.com/ajrTwFs.png) После установки ssh на ubuntu (сервер) настроим конфигурацию ssh на сервере: ![](https://i.imgur.com/iNFivtj.png) ![](https://i.imgur.com/de9v7uG.png) ![](https://i.imgur.com/IX59mOC.png) Перезапустим сервис ssh и посмотрим статус, чтобы убедиться, что сервис запущен с нужными настройками: ![](https://i.imgur.com/sUOb7Tq.png) Отредактируем файл /etc/ssh/ssh_config: ![](https://i.imgur.com/9U9mPch.png) ![](https://i.imgur.com/XR38kAN.png) Перезапустим: ![](https://i.imgur.com/7HssBnG.png) Создадим нового пользователя (не root) на сервере, чтобы можно было подключиться к нему с клиента: ![](https://i.imgur.com/HAdNZit.png) Подключимся с клиента к серверу к обычному пользователю: ![](https://i.imgur.com/c4ft7Hc.png) ![](https://i.imgur.com/r3zm2BI.png) ![](https://i.imgur.com/lqSgqR8.png) ![](https://i.imgur.com/SA7FOkY.png) ![](https://i.imgur.com/f8E6qc7.png) Подключимся через Putty к ubuntu: ![](https://i.imgur.com/HoY50ip.png) ## Практическая работа №2.3 Установка и настройка SSH-authorized_keys Сгенерируем ключи на kali: ![](https://i.imgur.com/BVVaW67.png) Далее скопируем ключ на наш сервер Ubuntu: ![](https://i.imgur.com/mbw915f.png) Зайдём на сервер с использованием ключей SSH: ![](https://i.imgur.com/rzJFXcS.png) Отключим аутентификацию с помощью пароля на сервере: ![](https://i.imgur.com/tPqWUG3.png) ![](https://i.imgur.com/EgH2SmJ.png) ![](https://i.imgur.com/ppZU0bj.png) (Тут другой ip, так как после я несколько поменял настройки в сетевых адаптерах виртуальной машины ubuntu) ![](https://i.imgur.com/EF4hir8.png) Попробуем зайти ещё раз, чтобы удостовериться, что всё ещё можно выполнить аутентификацию без пароля: ![](https://i.imgur.com/JO9k7mM.png) ## Практическая работа №2.4 Сбор информации о Linux и WGET ### 1.Базовый сбор информации ![](https://i.imgur.com/K8xgBuX.png) ![](https://i.imgur.com/SNkmC3w.png) ### 2.Суидные файлы ![](https://i.imgur.com/3WbLOfb.png) ![](https://i.imgur.com/hqigVv9.png) ![](https://i.imgur.com/5CvkAKx.png) ![](https://i.imgur.com/n0qeD1y.png) ![](https://i.imgur.com/0wQWFY7.png) ![](https://i.imgur.com/4m6q7SQ.png) ![](https://i.imgur.com/bTDNwoI.png) ![](https://i.imgur.com/kIoHnl4.png) ![](https://i.imgur.com/AbCprS1.png) ### 3. Проверка целостностей пакетов ![](https://i.imgur.com/6ByanmL.png) ![](https://i.imgur.com/wvNV9rn.png) ![](https://i.imgur.com/gcUc7IV.png) ![](https://i.imgur.com/YXYwsSb.png) ![](https://i.imgur.com/WPHqeA0.png) ![](https://i.imgur.com/0QFxek3.png) ![](https://i.imgur.com/vJlRRcJ.png) ![](https://i.imgur.com/9idzinF.png) ## Практическая работа №2.5 Переменные окружения в Linux .bashrc, .bash_profile и .bash_login ![](https://i.imgur.com/9AhdBuT.png) ![](https://i.imgur.com/MCGMNIi.png) ![](https://i.imgur.com/53iVcIT.png) ![](https://i.imgur.com/xWveO1K.png) ### Установка и удаление локальных переменных окружения ![](https://i.imgur.com/R90UoXB.png) ### Добавление и удаление пользовательских переменных ![](https://i.imgur.com/e3QfmPQ.png) ![](https://i.imgur.com/Khq2OqR.png) ![](https://i.imgur.com/FWbIMZn.png) ![](https://i.imgur.com/yhCmAeI.png) ### Создание и удаление системных переменных окружения ![](https://i.imgur.com/lnvlzvS.png) ![](https://i.imgur.com/njwDRlM.png)