安裝過(guò)程
14.在升級(jí)過(guò)程結(jié)束時(shí),應(yīng)該刪除過(guò)時(shí)的包:
刪除過(guò)時(shí)的包
15.系統(tǒng)需要重新啟動(dòng)才能完成升級(jí),因此單擊“立即重新啟動(dòng)”:
刪除過(guò)程
重新啟動(dòng)
Ubuntu 12.04桌面系統(tǒng)更新完畢
16.現(xiàn)在應(yīng)該引導(dǎo)到新的Ubuntu 12.04桌面系統(tǒng):
新的桌面引導(dǎo)系統(tǒng)
17.新的Ubuntu 12.04歡迎桌面:
Ubuntu 12.04歡迎桌面
到這就升級(jí)完了,我們可以看到整個(gè)頁(yè)面是相當(dāng)?shù)娜A麗的,而且相比于Ubuntu 11.10變化并不是很大,但是性能升級(jí)還是非常明顯的,桌面的用戶(hù)可以嘗試升級(jí)。
服務(wù)器版本升級(jí)到Ubuntu 12.04 LTS
1.首先成為root用戶(hù)
sudo su
2.然后運(yùn)行
apt-get update
3.然后安裝最新的更新
apt-get upgrade
4.安裝更新包的核心
apt-get install update-manager-core
5.打開(kāi)文件/etc/update-manager/release-upgrades
vi /etc/update-manager/release-upgrades
6.看是否提示正常
圖片說(shuō)明
7.然后運(yùn)行
do-release-upgrade
Ubuntu 12.04服務(wù)器版本升級(jí)完
8.開(kāi)始升級(jí)
root@server1:~# do-release-upgrade
Checking for a new ubuntu release
Get:1 Upgrade tool signature [198 B]
Get:2 Upgrade tool [1550 kB]
Fetched 1550 kB in 0s (0 B/s)
authenticate 'precise.tar.gz' against 'precise.tar.gz.gpg'
extracting 'precise.tar.gz'
Reading cache
Checking package manager
Continue running under SSH?
This session appears to be running under ssh. It is not recommended to perform a upgrade over ssh currently because in case of failure it is harder to recover。
If you continue, an additional ssh daemon will be started at port '1022'。
Do you want to continue?
Continue [yN] <-- y
Starting additional sshd
To make recovery in case of failure easier, an additional sshd will be started on port '1022'. If anything goes wrong with the running ssh you can still connect to the additional one。
To continue please press [ENTER] <-- ENTER
[...]
Do you want to start the upgrade?
2 installed packages are no longer supported by Canonical. You can
still get support from the community。
5 packages are going to be removed. 52 new packages are going to be
installed. 426 packages are going to be upgraded。
You have to download a total of 286 M. This download will take about
2 minutes with your connection。
Installing the upgrade can take several hours. Once the download has finished, the process cannot be canceled。
Continue [yN] Details [d] <-- y
在更新過(guò)程中,一些服務(wù)可能需要重新啟動(dòng)。如果更新管理問(wèn)你哪些服務(wù)應(yīng)該重新啟動(dòng)(它顯示了一個(gè)服務(wù)列表),只接受按默認(rèn)服務(wù)輸入。
在升級(jí)過(guò)程結(jié)束時(shí),應(yīng)該刪除過(guò)時(shí)的包:
Remove obsolete packages?
19 packages are going to be removed。
Continue [yN] Details [d] <-- y
服務(wù)器需要重新啟動(dòng)才能完成升級(jí):
System upgrade is complete。
Restart required
To finish the upgrade, a restart is required。
If you select 'y' the system will be restarted。
Continue [yN] <-- y
重新啟動(dòng)后,可以肯定的是您的服務(wù)器正在運(yùn)行的Ubuntu 12.04。來(lái)/ etc / issue中看看:
cat /etc/issue
root@server1:~# cat /etc/issue
Ubuntu 12.04 LTS n l
root@server1:~#
這樣服務(wù)器版本就升級(jí)完畢了,從上面的過(guò)程可以看出,其實(shí)直接升級(jí)相對(duì)直接安裝還是非常簡(jiǎn)單的,而且需要的時(shí)間也相對(duì)較少,而且也省去了相應(yīng)的配置,但是 升級(jí)系統(tǒng)容易出現(xiàn)錯(cuò)誤,引起系統(tǒng)不能重啟,大家可以根據(jù)需要,自行決定安裝方法,Ubuntu 12.04 LTS服務(wù)器版本還是值得大家嘗試的。
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本文標(biāo)題:微軟OS勁敵 服務(wù)器上升級(jí)Ubuntu新裝備
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